Home

Red Hat Enterprise Virtualization 3.5 User Guide

1. Result You have cloned a virtual machine from a snapshot AH A Plermnm a Cranmealhkat ta Pa atawvwan a Vliwtisal Ahaalkinma 97 Red Hat Enterprise Virtualization 3 5 User Guide 4 9 4 USINY A OMAVPSMHUL LU MESLUIC A VIFLUAI VIAUIINNIC Summary A snapshot can be used to restore a virtual machine to its previous state Procedure 4 22 Using a snapshot to restore a virtual machine 1 Click the Virtual Machines tab and select a virtual machine 2 Click the Snapshots tab in the details pane to list the available snapshots 3 Select a snapshot to restore in the left side pane The snapshot details display in the right side pane 4 Click the drop down list beside Preview to open the Custom Preview Snapshot window General Network Interfaces Disks Snapshots Applications Create Preview Commit Undo Delete Clone Date Status Memory Description Current Ok Active VM Figure 4 8 Custom preview snapshot 5 Use the check boxes to select the VM Configuration Memory and disk s you want to restore then click OK This allows you to create and restore from a customized snapshot using the configuration and disk s from multiple snapshots 58 Chapter 4 The Extended Tab Custom Preview Snapshot Double click to select an entire row Date Description Memory A34VM_Disk1 2014 Apr 01 15 38 Active VM O NIA 2014 Apr 02 12 27 Snapshoti General Disks Network Interfaces Installed Applications Defined M
2. Recommended protocol for Linux and Windows virtual machines excepting Windows 8 and Server 2012 virtual machines Custom Properties Additional VDSM options for running virtual machines sap_agent Enables SAP monitoring on the virtual machine Set to true or false sndbuf Enter the size of the buffer for sending the virtual machine s outgoing data over the socket vhost Enter the name of the virtual host on which this virtual machine should run The name can contain any combination of letters and numbers viodiskcache Chapter 4 The Extended Tab Caching mode for the virtio disk wri tethrough writes data to the cache and the disk in parallel wri teback does not copy modifications from the cache to the disk and none disables caching 4 5 4 Configuring a Watchdog 4 5 4 1 Adding a Watchdog Card to a Virtual Machine Summary Add a watchdog card to a virtual machine Procedure 4 8 Adding a Watchdog Card to a Virtual Machine 1 Click the Virtual Machines tab and select a virtual machine 2 Click Editto open the Edit Virtual Machine window 3 Click Show Advanced Options to display all tabs and click the High Availability tab 4 Select the watchdog model to use from the Watchdog Model drop down menu 5 Selectan action from the Watchdog Action drop down menu This is the action that the virtual machine takes when the watchdog is triggered 6 Click OK Result You have added a watchdog card to the virtual
3. VM Hostname The host name of the virtual machine Domain The Active Directory domain to which the virtual machine belongs Windows Organization Name The name of the organization to which the virtual machine belongs This option corresponds to the text field for setting the organization name displayed when a machine running Windows is started for the first time Windows Active Directory OU The organizational unit in the Active Directory domain to which the virtual machine belongs Windows Configure Time Zone The time zone for the virtual machine Select this check box and select a time zone from the Time Zone list Alternate Credentials Selecting this check box allows you to seta USer Name and Password as alternative credentials Windows Admin Password The administrative user password for the virtual machine Click the disclosure arrow to display the settings for this option Windows Use already configured password This check box is automatically selected after you specify an initial administrative user password You must clear this check box to enable the Admin Password and Verify Admin Password fields and specify a new password Admin Password The administrative user password for the virtual machine Enter the password in this text field and the Verify Admin Password text field to verify the password Authentication The authentication details for the virtual machine Click the disclosure arrow to disp
4. However if you delete the template from the Manager the original name of that template will be displayed instead Procedure 4 5 Cloning a Virtual Machine Based on a Template 1 Click the Virtual Machines tab 2 Click the New VM button to open the New Virtual Machine window 3 Select the Cluster on which the virtual machine will run 4 Select a template from the Based on Template drop down menu 5 Select a template sub version from the Template Sub Version drop down menu 6 Enter a Name Description and any Comments You can accept the default values inherited from the template in the rest of the fields or change them if required 7 Click the Resource Allocation tab 8 Select the Clone radio button in the Storage Allocation area 9 Select the disk provisioning policy from the Allocation Policy drop down menu This policy affects the speed of the clone operation and the amount of disk space the new virtual machine initially requires Selecting Thin Provision results in a faster clone operation and provides optimized usage of storage capacity Disk space is allocated only as itis required This is the default selection Selecting Preal located results in a slower clone operation and provides optimized virtual machine read and write operations All disk space requested in the template is allocated at the time of the clone operation 10 Use the Target drop down menu to select the storage domain on which the virtual machine s virtu
5. Once the APT service has successfully installed or upgraded the guest tools on a virtual machine the virtual machine is automatically rebooted this happens without confirmation from the user logged in to the machine The APT Service will also perform these operations when a virtual machine created from a template that has the APT Service already installed is booted for the first time The RHEV apt service can be stopped immediately after install by clearing the Start RHEV apt Service check box You can stop start or restart the service at any time using the Services window 5 5 Red Hat Enterprise Virtualization Guest Drivers and Guest Agents Red Hat Enterprise Virtualization provides customized drivers and guest tools to use with Windows and Red Hat Enterprise Linux guests The drivers allow guests to use enhanced virtual devices that perform better than emulated devices the guest agents facilitate communication between the guest and the Red Hat Enterprise Virtualization Manager Table 5 1 Red Hat Enterprise Virtualization Guest Drivers Driver Description Works on virtio net Paravirtualized network driver Server and Desktop provides enhanced performance over emulated devices like rtl 85 Red Hat Enterprise Virtualization 3 5 User Guide Driver Description Works on virtio block Paravirtualized HDD driver Server and Desktop offers increased I O performance over emulated devices like IDE by optimizing the coord
6. SPICE Edi see NT Ig ie y Client Resources TLE Figure 3 1 The User Portal The title bar 1 includes the name of the User logged in to the portal and links to the Guide and About pages In the virtual machines area the name of the virtual machines or virtual machine pools assigned to you display 2 The logo of the virtual machine s operating system also displays 3 When a virtual machine is powered up you can connect to it by double clicking on the virtual machine s logo On each virtual machine s icon buttons allow you to play stop or pause a virtual machine The buttons perform the same functions as buttons on a media player 4 13 Red Hat Enterprise Virtualization 3 5 User Guide The green play button starts up the virtual machine Itis available when the virtual machine is paused stopped or powered off W The red stop button stops the virtual machine Itis available when the virtual machine is running 4 The blue pause button temporarily halts the virtual machine To restart it press the green play button C The green reboot button reboots the virtual machine Itis available when the virtual machine is running The status of the virtual machine is indicated by the text below the virtual machine s icon Machine 1s Ready orMachine is Down Clicking on a virtual machine displays the statistics of the selected virtual machine on the details pane to the
7. gt g Ta 3 ee Lo f E fi A EA f lo h p i a rr y ff Ce A V7 r ag 2 ak Ar lt gage E l f m Ne d i l at ENC p rise Virtualization 3 9 User GUIGde 8 1 Using USB Devices on Virtual Machines Introduction 101 8 2 Using USB Devices on Virtual Machines Native Mode 101 8 3 Using USB Devices on a Windows Client 102 8 4 Using USB Devices on a Red Hat Enterprise Linux Client 102 8 5 Using USB Devices on Virtual Machines Legacy Mode 103 8 6 Configuring a Linux Client to Use USB Redirection in Legacy Mode 106 8 7 Configuring a Windows Client to Use USB Redirection in Legacy Mode 107 Chapter 9 Configuring Single Sign On for Virtual MachineS 00 0c cece eens 110 9 1 Configuring Single Sign On for Virtual Machines 110 9 2 Configuring Single Sign On for Red Hat Enterprise Linux Virtual Machines Using IPA IdM 9 3 Configuring Single Sign On for Red Hat Enterprise Linux Virtual Machines Using Active 110 Directory 111 9 4 Configuring Single Sign On for Windows Virtual Machines 113 9 5 Disabling Single Sign on for Virtual Machines 114 ReVISION FIStOLY c2eeee weer eee ee ee ee ee ee eee A 115 Part I Getting Started Part I Getting Started Red Hat Enterprise Virtualization 3 5 User Guide Chapter 1 Accessing the User Portal 1 1 Browser Requirements Use a supported web browser to access the Administration Portal and the User Portal The portals support the following browsers Red Hat Enterprise Linu
8. viewer x64 ms1 NO Open the folder where the file was saved Double click the file OO 4 Click Run if prompted by a security warning 5 Click Yes if prompted by User Account Control 2 1 5 Manually Associating console vv Files with Remote Viewer Summary If you are prompted to download a console vv file when attempting to open a console to a virtual machine using the native client console option and Remote Viewer is already installed then you can manually associate console vv files with Remote Viewer so that Remote Viewer can automatically use those files to open consoles Procedure 2 2 Manually Associating console vv Files with Remote Viewer 1 A In the User Portal Basic tab select the virtual machine and click the Edit button ofthe Console section of the display pane to open the Console Options window gt Number of Cores Ca BTD HAT Bana a ENTERPRISE LINUX 7 Drives VM_RHEL 02 Diski 6GB Machine is Ready pm _ Siviole Console sPic con Edit z e client Resources Figure 2 1 Opening the Console Options window in the Basic tab Red Hat Enterprise Virtualization 3 5 User Guide Result B In the User Portal Extended tab click the Edit Console Options button ofa virtual machine to open the Console Options window New VM Edit Remove Clone VM Run Once Make Template A VM_RHEL 01 vio wi A VM_RHEL 02 ve Figure 2 2 Opening the Console Options window in the
9. 0 Legacy mode must be manually configured Legacy USB mode is supported on the following clients and guests Client Red Hat Enterprise Linux 6 0 and higher Red Hat Enterprise Linux 5 5 and higher Windows XP Windows 7 Windows 2008 Guest Windows XP Windows 7 Configuring a Linux Client to Use USB Redirection in Legacy Mode If you connect to a virtual guest from a Red Hat Enterprise Linux client machine you have to install several SPICE packages before you can share USB devices between the client and the guest Procedure 8 3 Using USB devices on Red Hat Enterprise Linux clients 1 Install SPICE packages on client On your Linux client machine install the following packages Spice usb share kmod kspiceusb rhel60 for Red Hat Enterprise Linux 6 or kmod kspiceusb rhel5u6 for Red Hat Enterprise Linux 5 These packages are available on the Content Delivery Network from the Red Hat Enterprise Linux Supplementary Software channel for your version of Red Hat Enterprise Linux To install the packages run yum install spice usb share kmod kspiceusb 2 Run SPICE USB services Start the spiceusbsrvd service and load the kspiceusb module Run 103 Red Hat Enterprise Virtualization 3 5 User Guide 104 service spiceusbsrvd start modprobe kspiceusb Install RHEV Tools on guest Locate the CD drive to access the contents of the Guest Tools ISO and launch RHEV ToolsSetup exe If the Guest Tools ISO is not available in your
10. Display to open the Display Preferences window Select the display whose resolution is to be changed Select the resolution from the Resolution drop down list a Note The maximum resolution that can be set for any display is 2560 x 1600 The minimum resolution that can be set for the primary display is 640 x 480 all other displays can be set to a minimum of 400 x 375 7 3 Configuring Multiple Displays for Windows Virtual Machines A maximum of four displays can be configured for a single Windows virtual machine when connecting to the virtual machine using the SPICE protocol 1 Click the Virtual Machines tab and selecta virtual machine 98 Chapter 7 Configuring Multiple Monitors With the virtual machine in a powered down state right click the virtual machine and click Editto open the Edit Virtual Machine window Click the Console tab Select the number of displays from the Monitors drop down list This setting controls the maximum number of displays that can be enabled for the virtual machine While the virtual machine is running additional displays can be enabled up to this number Click Ok Start a SPICE session with the virtual machine Open the View drop down menu atthe top of the SPICE client window Open the Display menu Click the name ofa display to enable or disable that display By default Display 1 is the only display that is enabled on starting a SPICE session with a virtua
11. Result The new virtual machine is created and displays in the list of virtual machines with a status of Down Before you can use this virtual machine add at least one network interface and one virtual disk and install an operating system 4 3 2 Creating a Virtual Machine Based ona Template 24 Chapter 4 The Extended Tab Create virtual machines based on templates This allows you to create virtual machines that are pre configured with an operating system network interfaces applications and other resources Virtual machines created based on a template depend on that template This means that you cannot remove that template from the Manager if there is a virtual machine that was created based on that template However you can clone a virtual machine from a template to remove the dependency on that template 1 Click the Virtual Machines tab 2 Click the New VM button to open the New Virtual Machine window 3 Select the Cluster on which the virtual machine will run 4 Selecta template from the Based on Template list 5 Select a template sub version fromthe Template Sub Version list 6 Entera Name Description and any Comments and accept the default values inherited from the template in the rest of the fields You can change them if needed 7 Click the Resource Allocation tab 8 Select the Thin radio button in the Storage Allocation area 9 Select the disk provisioning policy from the Allocation Policy list This po
12. SSH keys by entering each SSH key ona new line Regenerate SSH Keys Regenerates SSH keys for the virtual machine 30 Chapter 4 The Extended Tab Field Name Operating Description System Custom Locale Windows Custom locale options for the virtual machine Locales must be in a format such as en US Click the disclosure arrow to display the settings for this option Input Locale The locale for user input UI Language The language used for user interface elements such as buttons and menus System Locale The locale for the overall system User Locale The locale for users Networks Linux Network related settings for the virtual machine Click the disclosure arrow to display the settings for this option DNS Servers The DNS servers to be used by the virtual machine DNS Search Domains The DNS search domains to be used by the virtual machine Network Configures network interfaces for the virtual machine Select this check box and click or to add or remove network interfaces to or from the virtual machine When you click a set of fields becomes visible that can specify whether to use DHCP and configure an IP address netmask and gateway and specify whether the network interface will start on boot Custom Script Linux Custom scripts that will be run on the virtual machine when it starts The scripts entered in this field are custom YAML sections that are added to those produced by the Manager and allow y
13. Start the virtual machine and click the Console button to connect to that virtual machine When you plug your USB device into the client machine it will automatically be redirected to appear on your guest machine 8 4 Using USB Devices on a Red Hat Enterprise Linux Client The usbredir package enables USB redirection from Red Hat Enterprise Linux clients to virtual machines usbredir is a dependency of the spice xpi package and is automatically installed together with that package Procedure 8 2 Using USB devices on a Red Hat Enterprise Linux client 1 Click the Virtual Machines tab and select a virtual machine that has been configured to use the SPICE protocol 2 Ensure USB support is set to Native a Click the Edit button to open the Edit Virtual Machine window b Click the Console tab c Fromthe USB Support drop down menu select Native d Click OK 102 Chapter 8 Configuring USB Devices 3 Right click the virtual machine and click Edit Console Options to open the Console Options window and select the Enable USB Auto Share check box 4 Start the virtual machine and click the Console button to connect to that virtual machine When you plug your USB device into the client machine it will automatically be redirected to appear on your guest machine 8 5 Using USB Devices on Virtual Machines Legacy Mode Legacy mode for USB redirection enables the SPICE USB redirection policy used in Red Hat Enterprise Virtualization 3
14. Template window Enter a Name Description and Comment for the template Select the cluster with which to associate the template from the Cluster list By default this is the same as that of the source virtual machine Optionally select a CPU profile for the template from the CPU Profile list Optionally selectthe Create as a Sub Template version check box selecta Root Template and entera Sub Version Name to create the new template as a sub template of an existing template Chapter 4 The Extended Tab 9 In the Disks Allocation section enter an alias for the disk in the Alias text field and select the storage domain on which to store the disk from the Target list By default these are the same as those of the source virtual machine 10 Selectthe Allow all users to access this Template check box to make the template public 11 Selectthe Copy VM permissions check box to copy the permissions of the source virtual machine to the template 12 Click OK Result The virtual machine displays a status of Image Locked while the template is being created The process of creating a template may take up to an hour depending on the size of the virtual machine disk and the capabilities of your storage hardware When complete the template is added to the Templates tab You can now create new virtual machines based on the template When a template is made the virtual machine is copied so that both the existing virtual
15. Use Host CPU check box allows virtual machines to take advantage of the features of the physical CPU of the host on which they are situated This option can only be enabled when Allow manual migration onlyorDo not allow migration are selected TheUse custom migration downtime check box allows you to specify the maximum number of milliseconds the virtual machine can be down during live migration Configure different maximum downtimes for each virtual machine according to its workload and SLA requirements The VDSM default value is O 4 4 6 Virtual Machine High Availability Settings Explained The following table details the options available on the High Availability tab of the New Virtual Machine and Edit Virtual Machine windows 34 Chapter 4 The Extended Tab Table 4 7 Virtual Machine High Availability Settings Field Name Highly Available Priority for Run Migration queue Watchdog Description Select this check box if the virtual machine is to be highly available For example in cases of host maintenance or failure the virtual machine is automatically moved to or re launched on another host If the host is manually shut down by the system administrator the virtual machine is not automatically moved to another host Note that this option is unavailable if the Migration Options Setting in the Hosts tab is setto either Allow manual migration only orNo migration Fora virtual machine to be highly available it must be
16. Virtualization 3 5 User Guide Guest agent tool rhev usb Description Works on A component that contains Desktop drivers and services for Legacy USB support version 3 0 and earlier on guests Itis needed for accessing a USB device thatis plugged into the client machine RHEV USB Client is needed on the client side Chapter 6 Configuring Console Options Chapter 6 Configuring Console Options 6 1 Console Options 6 1 1 Introduction to Connection Protocols Connection protocols are the underlying technology used to provide graphical consoles for virtual machines and allow users to work with virtual machines in a similar way as they would with physical machines Red Hat Enterprise Virtualization currently supports the following connection protocols SPICE Simple Protocol for Independent Computing Environments SPICE is the recommended connection protocol for both Linux virtual machines and Windows virtual machines SPICE is installed and executed on the client that connects to the virtual machine VNC Virtual Network Computing VNC can be used to open consoles to both Linux virtual machines and Windows virtual machines To open a console to a virtual machine using VNC you must use Remote Viewer or a VNC client RDP Remote Desktop Protocol RDP can only be used to open consoles to Windows virtual machines and is only available w
17. Virtualization 3 5 User Guide 6 Expand the Authentication section and selectthe Use already configured password check box to user the existing credentials or clear that check box and enter a root password in the Password and Verify Password text fields to specify a new root password 7 Enter any SSH keys to be added to the authorized hosts file on the virtual machine in the SSH Authorized Keys text area 8 Select the Regenerate SSH Keys check box to regenerate SSH keys for the virtual machine 9 Expand the Networks section and enter any DNS servers in the DNS Servers text field 10 Enter any DNS search domains in the DNS Search Domains text field 11 Select the Network check box and use the and buttons to add or remove network interfaces to or from the virtual machine 12 Expand the Custom Script section and enter any custom scripts in the Custom Script text area 13 Click Ok Important Cloud Init is only supported on cluster compatibility version 3 3 and higher Result The virtual machine boots and the specified settings are applied 4 10 4 Templates and Permissions 4 10 4 1 Managing System Permissions fora Template As the SuperUser the system administrator manages all aspects of the Administration Portal More specific administrative roles can be assigned to other users These restricted administrator roles are useful for granting a user administrative privileges that limit them to a specific resource
18. amp redhat Red Hat Enterprise Virtualization 3 5 User Guide Accessing and Using Virtual Machines from the User Portal Red Hat Enterprise Virtualization Documentation Team Red Hat Enterprise Virtualization 3 5 User Guide Accessing and Using Virtual Machines from the User Portal Red Hat Enterprise Virtualization Documentation Team Red Hat Customer Content Services rhev docs redhat com Legal Notice Copyright 2015 Red Hat This document is licensed by Red Hat under the Creative Commons Attributio n ShareAlike 3 0 Unported License If you distribute this document or a modified version of it you must provide attribution to Red Hat Inc and provide a link to the original If the document is modified all Red Hat trademarks must be removed Red Hat as the licensor of this document waives the right to enforce and agrees notto assert Section 4d of CC BY SA to the fullest extent permitted by applicable law Red Hat Red Hat Enterprise Linux the Shadowman logo JBoss MetaMatrix Fedora the Infinity Logo and RHCE are trademarks of Red Hat Inc registered in the United States and other countries Linux is the registered trademark of Linus Torvalds in the United States and other countries Java is aregistered trademark of Oracle and or its affiliates XFS is a trademark of Silicon Graphics International Corp or its subsidiaries in the United States and or other countries MySQL is aregistered trademark
19. and ensure it starts on boot service winbind start chkconfig winbind on 9 Run the following commands to verify that the system can communicate with Active Directory Verify that a trust relationship has been created wbinfo t Verify that you can list users wbinfo u Verify that you can list groups wbinfo g 10 Run the following command to configure the NSS and PAM stack a Run the following command to open the Authentication Configuration window authconfig tui b Select the Use Winbind check box select Next and press Enter c Select the OK button and press Enter Result You have enabled single sign on for your Red Hat Enterprise Linux virtual machine Log in to the User Portal using the user name and password of a user configured to use single sign on and connect to the console of the virtual machine You will be logged in automatically 9 4 Confiquring Single Sign On for Windows Virtual Machines 113 Red Hat Enterprise Virtualization 3 5 User Guide To configure single sign on for Windows virtual machines the Windows guest agent must be installed on the guest virtual machine The RHEV Guest Tools ISO file provides this agent If the RHEV toolsSetup iso image is not available in your ISO domain contact your system administrator Procedure 9 3 Configuring Single Sign On for Windows Virtual Machines 1 From the Extended tab of the User Portal select the Windows virtual machine Ensure the m
20. and roles assigned to each virtual machine You can assign and remove user permissions using this tab The Events tab displays the description and time of events which affect the virtual machine The Applications tab displays the applications which have been installed on the virtual machine The Monitor tab displays the CPU Usage Memory Usage and Network Usage statistics for the machine selected in the Navigation Pane The Sessions tab displays the Logged In User Console User and Console Client IP for the machine selected in the Navigation Pane 4 2 Running Virtual machines 4 2 1 Connecting to Virtual Machines After you have logged into the portal you can start stop or connect to the virtual machines that are displayed Summary This procedure describes how to start a stopped virtual machine and how to connect to the virtual machine Procedure 4 1 Connecting to Virtual Machines J T Tel Ry CONSOLE Figure 4 2 Virtual machine turned off Select the virtual machine to which you want to connect then click the Play button The virtual machine powers up The Stop symbol next to the virtual machine s name changes to a Powering Up symbol When the virtual machine is turned on the Play symbol displays next to the virtual machine s name BEDE Tow 21 Red Hat Enterprise Virtualization 3 5 User Guide Figure 4 3 Virtual machine turned on 2 Click the Console button to connect to the virt
21. can make those ISO files accessible to virtual machines Procedure 4 15 Changing the CD fora Virtual Machine 1 From the Virtual Machines tab select a virtual machine that is currently running 2 Click Change CD to open the Change CD window 3 Inthe Change CD window do one of the following Select an ISO file from the list to eject the CD currently accessible to the virtual machine and mount that ISO file as a CD Or Select Eject fromthe ISO list to eject the CD currently accessible to the virtual machine 4 Click OK Result You have ejected the CD previously accessible to the virtual machine or ejected the CD previously accessible to the virtual machine and made a new CD accessible to that virtual machine 4 6 7 Smart card Authentication Smart cards are an external hardware security feature most commonly seen in credit cards but also used by many businesses as authentication tokens Smart cards can be used to protect Red Hat Enterprise Virtualization virtual machines 4 6 8 Enabling and Disabling Smart cards Summary The following procedures explain how to enable and disable the Smart card feature for virtual machines 04 Chapter 4 The Extended Tab Procedure 4 16 Enabling Smart cards 1 Ensure that the Smart card hardware is plugged into the client machine and is installed according to manufacturer s directions 2 Select the desired virtual machine 3 Click the Edit button The Edit Virtu
22. disabling SSO for virtual machines and other minor edits Revision 3 5 22 Mon 19 Jan 2015 David Ryan BZ 1153351 Updated the supported management client configurations Revision 3 5 21 Thur 11 Dec 2014 Julie Wu BZ 11217 62 Created a topic on single sign on to the Administration or User Portal Revision 3 5 20 Tues 25 Nov 2014 Tahlia Richardson BZ 1120921 Updated the Initial Run row of the Run Once settings table Revision 3 5 19 Tues 18 Nov 2014 Lucy Bopf BZ 115 7459 Corrected the procedure for setting a Windows product key Revision 3 5 18 Mon 20 Oct 2014 Laura Novich Minor line edits to improve consistency Revision 3 5 17 Fri 17 Oct 2014 Tahlia Richardson BZ 1120916 Expanded the Random Generator Settings Explained table with additional options Revision 3 5 16 Mon 13 Oct 2014 Julie Wu BZ 1139846 Updated RHEV guest agent channel for RHEL 7 Revision 3 5 15 Sun 12 Oct 2014 Laura Novich BZ 1120923 Changed directions for ejecting and changing a CD Revision 3 5 14 Fri 19 Sep 2014 Tahlia Richardson BZ 1143841 Removed references to RHN Classic and replaced Red Hat Network with Content Delivery Network Revision 3 5 13 Thu 18 Sep 2014 Lucy Bopf BZ 1143 777 Updated screen shots for the User Portal Revision 3 5 12 Thu 18 Sep 2014 Andrew Burden Brewing for 3 5 Beta Revision 3 5 11 Thu 11 Sep 2014 Laura Novich BZ 1120923 Instructions changed for changing the CD window Revision 3 5 10 Wed 10 Sep 2014 Julie Wu Bu
23. disk to your virtual machine 4 5 2 Installing Windows on VirtlO Optimized Hardware Summary The virtio win vfd diskette image contains Windows drivers for VirthO optimized disk and network devices These drivers provide a performance improvement over emulated device drivers The virtio win vfd is placed automatically on ISO storage domains that are hosted on the Manager server It must be manually uploaded using the engine iso uploader tool to other ISO storage domains You can install the VirtlO optimized device drivers during your Windows installation by attaching a diskette to your virtual machine This procedure presumes that you added a Red Hat VirtIO network interface and a disk that uses the VirtIO interface to your virtual machine Procedure 4 7 Installing VirtlO Drivers during Windows Installation 1 Click the Virtual Machines tab and select a virtual machine 2 Click the Run Once button and the Run Once window displays 3 Click Boot Options to expand the Boot Options configuration options 4 Click the Attach Floppy check box and select virtio win vfd from the drop down selection box 5 Click the Attach CD check box and select from the drop down selection box the ISO containing the version of Windows you want to install 6 Move CD ROM UP in the Boot Sequence field 7 Configure the rest of your Run Once options as required and click OK to start your virtual machine and then click the Console button to open a g
24. machine Select either Host ID Sets the host s UUID as the virtual machine s serial number Vm ID Sets the virtual machine s UUID as its serial number Custom serial number Allows you to specify a custom serial number 4 4 3 Virtual Machine Initial Run Settings Explained The following table details the options available on the Initial Runtab oftheNew Virtual Machine and Edit Virtual Machine windows The settings in this table are only visible if the Use Cloud Init Sysprep check box is selected and certain options are only visible when either a Linux based or Windows based option has been selected in the Operating System listin the General tab as outlined below Table 4 4 Virtual Machine Initial Run Settings Field Name Operating System Description Use Cloud Init Sysprep Linux Windows VM Hostname Linux Windows This check box toggles whether Cloud Init or Sysprep will be used to initialize the virtual machine The host name of the virtual machine 29 Red Hat Enterprise Virtualization 3 5 User Guide Field Name Operating Description System Domain Windows The Active Directory domain to which the virtual machine belongs Organization Name Windows The name of the organization to which the virtual machine belongs This option corresponds to the text field for setting the organization name displayed when a machine running Windows is started for the first time Active Directory OU Windows
25. possible for the Manager to migrate the virtual machine to other available hosts as necessary Sets the priority level for the virtual machine to be migrated or restarted on another host Allows users to attach a watchdog card toa virtual machine A watchdog is a timer that is used to automatically detect and recover from failures Once set a watchdog timer continually counts down to zero while the system is in Operation and is periodically restarted by the system to prevent it from reaching zero If the timer reaches zero it signifies that the system has been unable to reset the timer and is therefore experiencing a failure Corrective actions are then taken to address the failure This functionality is especially useful for servers that demand high availability Watchdog Model The model of watchdog card to assign to the virtual machine At current the only supported model is 16300esb Watchdog Action The action to take ifthe watchdog timer reaches zero The following actions are available none No action is taken However the watchdog event is recorded in the audit log reset The virtual machine is reset and the Manager is notified of the reset action poweroff The virtual machine is immediately shut down dump Adump is performed and the virtual machine is paused pause The virtual machine is paused and can be resumed by users 4 4 7 Virtual Machine Resource Allocation Settings Explained 35 Red Hat En
26. specify multiple files by adding additional file lines change 1407 The number of watchdog intervals after which the watchdog checks for changes to files Achange line must be specified on the line directly after each file line and applies to the file line directly above that change line max load 1 24 The maximum average load thatthe virtual machine can sustain overa one minute period If this average is exceeded then the watchdog is triggered A value of O disables this feature max load 5 18 The maximum average load that the virtual machine can sustain overa five minute period If this average is exceeded then the watchdog is triggered A value of O disables this feature By default the value of this variable is set to a value approximately three quarters that of max load 1 max load 15 12 The maximum average load that the virtual machine can sustain overa fifteen minute period If this average is exceeded then the watchdog is triggered A value of O disables this feature By default the value of this variable is set to a value approximately one half that of max load 1 49 Red Hat Enterprise Virtualization 3 5 User Guide Variable name Default Value Remarks min memory repair binary test binary test timeout temperature device max temperature admin interval logtick 50 1 usr sbin rep air N A N A N A 120 root 10 The minimum amount of virtual memory that m
27. the Content Delivery Network under the Downloads list Install RHEV Tools on guest Locate the CD drive to access the contents of the Guest Tools ISO and launch RHEV ToolsSetup exe If the Guest Tools ISO is not available in your CD drive contact your system administrator After the tools have been installed you will be prompted to restart the machine for changes to be applied Open firewall ports Allow connections on TCP port 32023 on any firewalls between the guest machine and the client machine Enable USB sharing On the User Portal select your guest machine Ensure that you have enabled SPICE USB sharing on the guest machine Attach USB device Connect to your guest machine and attach a USB device to the client If the required USB device does not appear directly on the guest desktop right click on the SPICE frame and select USB Devices Choose your device from the list displayed Chapter 8 Configuring USB Devices ir Er Han pth Hirini Cis Ate Seared Cd i Chas Tae Sa E pe LL FE E sR LF P a hana al Piei Figure 8 3 List of connected USB devices Important When some USB devices are connected on Windows clients the autoplay window will appear and the client will take control of the device making it unavailable to the guest To avoid this issue disable USB autoplay on your Windows clients You can also define additional USB policies for Windows clients to allow o
28. the same amount of free storage space as the total size of the snapshot being deleted and the subsequent snapshot Procedure 4 23 Deleting a Snapshot 1 Click the Virtual Machines tab and selecta virtual machine 2 Click the Snapshots tab in the details pane to list the snapshots for that virtual machine General Network Interfaces Disks Snapshots Applications Affinity Groups Permissions Sessions Create Previewl Commit Undo Delete Clone Date Status Memory Description Current Ok Active VM Figure 4 10 Snapshot List 3 Select the snapshot to delete 4 In the Navigation pane shut down the running virtual machine associated with the snapshot to be deleted 5 Click Delete to open the Delete Snapshot confirmation window 6 Click OK Result You have removed a snapshot from a virtual machine and that snapshot is no longer available 4 10 Templates 4 10 1 Introduction to Templates A template is a copy ofa virtual machine that you can use to simplify the subsequent repeated creation of similar virtual machines Templates capture the configuration of software configuration of hardware and the software installed on the virtual machine on which the template is based The virtual machine on which a template is based is known as the source virtual machine When you create a template based on a virtual machine a read only copy of the virtual machine s disk is created This read only disk becomes the base disk imag
29. the virtual machine is paused stopped or powered off W The red stop button stops the virtual machine It is available when the virtual machine is running 4 The blue pause button temporarily halts the virtual machine To restart it press the green play button The power button turns off the virtual machine Itis available when the virtual machine is running C The reboot button restarts the virtual machine Itis available when the virtual machine is running 7 Console Button The console button launches a SPICE window and connects to machines that have been powered up 8 Details Pane The Details Pane displays the statistics of the virtual machine selected in the Navigation Pane Details Pane Tab Functions 20 Chapter 4 The Extended Tab The General tab displays basic software and hardware information of the virtual machine including its name operating system display protocol and defined memory The Network Interfaces tab displays the name type and speed of the network connected to the virtual machine You can add edit and remove network interfaces using this tab The Disks tab displays the name size and format of the disk attached to the virtual machine You can add edit and remove virtual disks using this tab The Snapshots tab displays a view of the virtual machine s operating system and applications You can create and use snapshots using this tab The Permissions tab displays the users
30. to a previous state 56 Chapter 4 The Extended Tab Important Live snapshots can only be taken on Data Centers running Red Hat Enterprise Virtualization 3 1 or higher Otherwise the virtual machine must first be powered down 4 9 2 Creating Snapshots Summary This procedure explains how to create a snapshot of a virtual machine Procedure 4 20 Creating a snapshot of a virtual machine 1 Click the Virtual Machines tab and select a virtual machine 2 Select the Snapshots tab in the details pane 3 Click Create The Create Snapshot dialog displays 4 Enter a description for the snapshot selectDisks to include using the check boxes and click OK 5 Anew snapshot of the virtual machine s operating system and applications is created It displays in a list on the left side of the Snapshots tab Result You have taken a snapshot ofa virtual machine 4 9 3 Cloning Snapshots Summary This procedure explains how to clone a virtual machine from a snapshot Procedure 4 21 Cloning Snapshots 1 Click the Virtual Machines tab and select a virtual machine 2 Select the Snapshots tab in the details pane 3 Select the snapshot from which to create a clone in the list in the details pane 4 Click Clone atthe top of the details pane TheClone VM from Snapshot window opens This window is similar to the New VM window 5 Fill in the parameters and click OK in the lower right corner of the Clone VM from Snapshot window
31. used to seal Windows templates before use Important Do not reboot the virtual machine during this process Before starting the Sysprep process verify that the following settings are configured The Windows Sysprep parameters have been correctly defined If not click Edit and enter the required information in the Operating System and Domain fields The correct product key has been defined in an override file under etc ovirt engine osinfo conf d 10 productkeys properties on the Manager If not copy the default values for your Windows operating system from etc ovirt engine osinfo conf d 00 defaults properties into the override file and input your values in the productKey value and sysprepPath value fields Example 4 1 Windows 7 Default Configuration Values Windows 7 11 OsType Windows false false os windows_7 1d value 11 OoS windows_7 name value Windows 7 os windows_7 derivedFrom value windows_xp osS windows_7 sysprepPath value ENGINE_USR conf sysprep sysprep w 7 oS windows_7 productKey value os windows_7 devices audio value ich6 os windows_7 devices diskInterfaces value 3 3 IDE VirtIO_SCSI Virti0o os windows_7 devices diskInterfaces value 3 4 IDE VirtIO_SCSI 67 Red Hat Enterprise Virtualization 3 5 User Guide VirtiIo os windows_7 devices diskInterfaces value 3 5 IDE VirtIO_SCSI VirtiIo oS windows_7 isTimezoneTypeInteger value false 4 10 3 4 2 Sealing a Windows XP Tem
32. virtual machine that acts as a flag for initiating various configuration tasks the next time you start that virtual machine The sys unconfig command allows you to automate this process However both of these methods also require you to manually delete files on the virtual machine that are specific to that virtual machine or might cause conflicts amongst virtual machines created based on the template you will create based on that virtual machine As such both are valid methods for sealing a Linux virtual machine and will achieve the same result 4 10 3 2 Sealing a Linux Virtual Machine Manually for Deployment asa Template Summary 65 Red Hat Enterprise Virtualization 3 5 User Guide You must generalize seal a Linux virtual machine before creating a template based on that virtual machine Procedure 4 27 Sealing a Linux Virtual Machine 1 Log in to the virtual machine 2 Flag the system for re configuration by running the following command as root touch unconfigured 3 Run the following command to remove ssh host keys rm rf etc ssh ssh_host_ 4 Set HOSTNAME localhost localdomain in etc sysconfig network 5 Run the following command to remove etc udev rules d 70 rm rf etc udev rules d 70 6 Remove the HWADDR line and UUID line from etc sysconfig network scripts ifcfg eth 7 Optionally delete all the logs from var log and build logs from root 8 Run the following command to shut down the virt
33. 1 Editing a virtual machine 1 Select the virtual machine to be edited 2 Click the Edit button to open the Edit Virtual Machine window 3 Change the General System Initial Run Console Host High Availability Resource Allocation Boot Options Random Generator and Custom Properties fields as required Changes to the following fields are applied immediately Name Description Comment Optimized for Desktop Server Delete Protection Network Interfaces Use custom migration downtime 91 Red Hat Enterprise Virtualization 3 5 User Guide Highly Available Priority for Run Migration queue Disable strict user checking Virtual Sockets Tech preview on supported guest operating systems only To apply changes to all other settings the virtual machine must be restarted or shut down 4 Ifthe Next Restart Configuration pop up window appears click OK 5 Click OK to save your changes Changes from the listin Step 3 will be applied immediately All other changes will be applied once you restart your virtual machine Result You have changed the settings of a virtual machine by editing it 4 6 2 Editing a Network Interface Summary This procedure describes editing a network interface In order to change any network settings you must edit the network interface Procedure 4 12 Editing a Network Interface 1 Click the Virtual Machines tab and selecta virtual machine 2 Click the Network Interfaces tab ofthe details pane and
34. CD drive contact your system administrator After the tools have been installed you will be prompted to restart the machine for changes to be applied Open firewall ports Allow connections on TCP port 32023 on any firewalls between the guest machine and the client machine Enable USB Auto Share On the User Portal select your guest machine Ensure that you have enabled SPICE USB Auto Share on the guest machine Attach USB device Connect to your guest machine Place the SPICE console window of your guest desktop in focus then attach a USB device to the client The USB device displays in your guest desktop Ea Windows7 1 Press SHIFT F12 to Release Cursor Remote Viewer File View Sendkey Help roadcom Bluetooth Device Broadcom Cort 3 01PM As By U me O son6 2012 _ Figure 8 1 List of Connected USB devices Linux Client Chapter 8 Configuring USB Devices When you close the SPICE session the USB device will no longer be shared with the guest Configuring a Windows Client to Use USB Redirection in Legacy Mode If you are connecting from a Windows client machine and wish to use USB devices on your guest you have to enable SPICE USB redirection Refer to the Red Hat Enterprise Virtualization Manager Release Notes for specific channel names current to your system Procedure 8 4 Enabling USB redirection on Windows 1 Install USB redirector package on client On a Windows client machine install R
35. Click the Confirm Security Exception button Chapter 1 Accessing the User Portal Result You have installed the certificate used by the Red Hat Enterprise Virtualization Manager and security warnings no longer appear when you access the User Portal 1 4 2 Installing the Red Hat Enterprise Virtualization Manager Certificate in Internet Explorer Summary The first time you access the User Portal you must install the certificate used by the Red Hat Enterprise Virtualization Manager to avoid security warnings Procedure 1 3 Installing the Red Hat Enterprise Virtualization Manager Certificate in Internet Explorer 1 Navigate to the following URL https your manager s address ca crt 2 Click the Open button inthe File Download Security Warning window to open the Certificate window 3 Click the Install Certificate button to open the Certificate Import Wizard window 4 Selectthe Place all certificates in the following store radio button and click Browse to open the Select Certificate Store window 5 Select Trusted Root Certification Authorities from the list of certificate stores then click OK 6 Click Next to proceed to the Certificate Store screen 7 Click Next to proceed to the Completing the Certificate Import Wizard screen 8 Click Finish to install the certificate Result You have installed the certificate used by the Red Hat Enterprise Virtualization Manager and security warnings no longer appear when yo
36. Cloud Init service starts during the boot process to search for instructions on what to configure You can then use options in the Run Once window to provide these instructions one time only or options inthe New Virtual Machine Edit Virtual Machine and Edit Template windows to provide these instructions every time the virtual machine starts 4 10 3 5 2 Cloud Init Use Case Scenarios Cloud Init can be used to automate the configuration of virtual machines in a variety of scenarios Several common scenarios are as follows Virtual Machines Created Based on Templates You can use the Cloud Init options in the Initial Run section ofthe Run Once window to initialize a virtual machine that was created based on a template This allows you to customize the virtual machine the first time that virtual machine is started 69 Red Hat Enterprise Virtualization 3 5 User Guide Virtual Machine Templates You can use the Use Cloud Init Sysprep options inthe Initial Run tab of the New Template and Edit Template windows to specify options for customizing virtual machines created based on that template Virtual Machine Pools You can use the Use Cloud Init Sysprep options in the Initial Run tab of the New Pool window to specify options for customizing virtual machines taken from that virtual machine pool This allows you to specify a set of standard settings that will be applied every time a virtual machine is taken from that virtual machine pool You
37. Extended tab Change the console invocation method to Native client and click OK Start the virtual machine Attempt to open a console to the virtual machine then click Save when prompted to open or save the console vv file Use Windows Explorer to navigate to the location on your local machine where you saved the file Double click the console vv file and select Select a program from a list of installed programs when prompted Inthe Open with window select Always use the selected program to open this kind of file and click the Browse button Navigate to the C Users user name AppData Local virt viewer bin directory and select remo te viewer exe Click Open and then click OK You have manually associated the console vv file with Remote Viewer When you use the native client console invocation option to open a console to a virtual machine Remote Viewer will automatically use the console vv file that the Red Hat Enterprise Virtualization Manager provides to open a console to that virtual machine without prompting you to select the application to use 2 2 Installing USB Redirection Components 2 2 1 Installing USB Clerk on Windows USB Clerk provides a service that is able to install and uninstall Windows USB drivers in guest virtual machines Procedure 2 3 Installing USB Clerk on Windows 10 1 Open a web browser and download one of the following installers according to the architecture
38. For example a DataCenterAdmin role has administrator privileges only for the assigned data center with the exception of the storage for that data center and a ClusterAdmin has administrator privileges only for the assigned cluster A template administrator is a system administration role for templates in a data center This role can be applied to specific virtual machines to a data center or to the whole virtualized environment this is useful to allow different users to manage certain virtual resources The template administrator role permits the following actions Create edit export and remove associated templates Import and export templates 72 Chapter 4 The Extended Tab You can only assign roles and permissions to existing users 4 10 4 2 Template Administrator Roles Explained Template Administrator Permission Roles The table below describes the administrator roles and privileges applicable to template administration Table 4 14 Red Hat Enterprise Virtualization System Administrator Roles Privileges TemplateAd min Can perform all operations on Has privileges to create delete templates and configure a template s storage domain and network details and to move templates between domains NetworkAdmin Network Administrator Can configure and manage networks attached to templates 4 10 4 3 Template User Roles Explained Template User Permission Roles The table below describes the user roles and privi
39. HEV USB Client exe This package can be obtained fomtheRed Hat Enterprise Virtualization Manager v 3 5 X86_64 channel on the Content Delivery Network under the Downloads list 2 Install RHEV Tools on guest Locate the CD drive to access the contents of the Guest Tools ISO and launch RHEV ToolsSetup exe If the Guest Tools ISO is not available in your CD drive contact your system administrator After the tools have been installed you will be prompted to restart the machine for changes to be applied 3 Open firewall ports Allow connections on TCP port 32023 on any firewalls between the guest machine and the client machine 4 Enable USB sharing On the User Portal select your guest machine Ensure that you have enabled SPICE USB Sharing on the guest machine 5 Attach USB device Connect to your guest machine and attach a USB device to the client If the required USB device does not appear directly on the guest desktop right click on the SPICE frame and select USB Devices Choose your device from the list displayed 105 Windows7 1 Press SHIFT F12 to Release Cursor Remote Viewer File View Sendkey Help USB Devices Port 0006 Hub20004 USB Mass Storage Device 0001 Hub 00 4 USB Input Device v Port20005 lt Hub 0004 USB Mass Storage Device pon x Ej fe a gt a Be oi G Figure 8 2 List of connected USB devices Important When some USB devices are connec
40. The organizational unit in the Active Directory domain to which the virtual machine belongs Configure Time Zone Linux Windows The time zone for the virtual machine Select this check box and Select a time zone from the Time Zone list Admin Password Windows The administrative user password for the virtual machine Click the disclosure arrow to display the settings for this option Use already configured password This check box is automatically selected after you specify an initial administrative user password You must clear this check box to enable the Admin Password and Verify Admin Password fields and specify a new password Admin Password The administrative user password for the virtual machine Enter the password in this text field and the Verify Admin Password text field to verify the password Authentication Linux The authentication details for the virtual machine Click the disclosure arrow to display the settings for this option Use already configured password This check box is automatically selected after you specify an initial root password You must clear this check box to enable the Password and Verify Password fields and specify a new password Password The root password for the virtual machine Enter the password in this text field and the Verify Password text field to verify the password SSH Authorized Keys SSH keys to be added to the authorized keys file of the virtual machine You can specify multiple
41. Up TLE Figure 3 4 Virtual machine powering up 3 When the virtual machine is powered up the icon is no longer grayed out The text displays as Machine is Ready You are now ready to connect 16 Chapter 3 The Basic Tab RHEL6 RED HAT ENTERPRISE LINUX 6 Machine is Ready MDG Figure 3 5 Virtual machine turned on You can only connect to a virtual machine after it has powered up 3 2 3 Connecting to a Powered On Virtual Machine After a virtual machine has been turned on you can connect to it log in and start work the same way that you would with a physical machine The text Machine is Ready displays on virtual machines that are powered up Procedure 3 2 Connecting to a Powered on Virtual Machine 1 Double click on the selected virtual machine to connect RHEL6 Machine is Ready v oic Figure 3 6 Connect to Virtual Machine 2 Aconsole window of the virtual machine displays You can now use the virtual machine in the same way that you would use a physical desktop 17 Red Hat Enterprise Virtualization 3 5 User Guide The first time you connect with SPICE you are prompted to install the appropriate SPICE component or plug in If itis the first time you are connecting from a Red Hat Enterprise Linux computer install the SPICE plug in for Mozilla Firefox If you are connecting from a Windows computer install the ActiveX plug in 3 2 4 Logging out of a Virtual Machine Itis recomm
42. Your Quota Red Hat Enterprise Virtualization provides a resource limitation tool called quota which allows system administrators to limit the amount of CPU and storage each user can consume Quota compares the amount of virtual resources consumed when you use the virtual machine to the storage allowance and the run time allowance set by the system administrator 75 Red Hat Enterprise Virtualization 3 5 User Guide When you exceed your quota a pop up window informs you that you have exceeded your quota and you will no longer have access to virtual resources For example this can happen if you have too many concurrently running virtual machines in your environment Error while executing action Cannot add VM Quota is not valid Figure 4 14 Quota exceeded error message To regain access to your virtual machines do one of the following Shut down the virtual machines that you do not need This will bring your resource consumption down to a level at which itis notin excess of the quota and you will be able to run virtual machines again If you cannot shut down any existing virtual machines contact your system administrator to extend your quota allowance or remove any unused virtual machines 4 12 Virtual Machines and Permissions 4 12 1 Managing System Permissions for a Virtual Machine As the SuperUser the system administrator manages all aspects of the Administration Portal More specific administrative roles can be ass
43. achine is powered up then click the Change CD button 2 From the list of images select RHEV toolsSetup iso Click OK 3 Once you have attached the guest tools click the Console icon and log in to the virtual machine 4 On the virtual machine locate the CD drive to access the contents of the guest tools ISO file and launch RHEV ToolsSetup exe After the tools have been installed you will be prompted to restart the machine to apply the changes Result You have enabled single sign on for your Windows virtual machine Log in to the User Portal using the user name and password of a user configured to use single sign on and connect to the console of the virtual machine You will be logged in automatically 9 5 Disabling Single Sign on for Virtual Machines The following procedure explains how to disable single sign on for a virtual machine Procedure 9 4 Disabling SSO for virtual machines 1 From the User Portal Extended tab select a virtual machine and click Edit 2 Select the Console tab and select the check box labeled Disable Single Sign On and then click OK 114 Revision History lt Revision History Revision 3 5 24 Wed 11 Mar 2015 Red Hat Enterprise Virtualization Documentation Team BZ 1180932 Removed a topic on configuring single sign on to the User Portal and Administratior Portal because this is an administrative user task Revision 3 5 23 Mon 09 Feb 2015 Julie Wu BZ 1075477 Created a new topic on
44. al Machine window appears 4 Select the Console tab and select the check box labeled Smartcard enabled then click OK 5 Run the virtual machine by clicking the Console icon or through the User Portal Smart card authentication is now passed from the client hardware to the virtual machine Result You have enabled Smart card authentication for the virtual machine Important If the Smart card hardware is not correctly installed enabling the Smart card feature will result in the virtual machine failing to load properly Procedure 4 17 Disabling Smart cards 1 Select the desired virtual machine 2 Click the Edit button The Edit Virtual Machine window appears 3 Select the Console tab and clear the check box labeled Smartcard enabled then click OK Result You have disabled Smart card authentication for the virtual machine 4 7 Removing Virtual Machines 4 7 1 Removing a Virtual Machine Summary Remove a virtual machine from the Red Hat Enterprise Virtualization environment Important The Remove button is disabled while virtual machines are running you must shut down a virtual machine before you can remove it Procedure 4 18 Removing a Virtual Machine 59 Red Hat Enterprise Virtualization 3 5 User Guide 1 Click the Virtual Machines tab and select the virtual machine to remove 2 Click Remove to open the Remove Virtual Machine s window 3 Optionally select the Remove Disk s check box
45. al disk will be stored 11 Click OK Cloning a virtual machine may take some time Anew copy of the template s disk must be created During this time the virtual machine s status is first Image Locked then Down Result The virtual machine is created and displayed in the listin the Virtual Machines tab You can now assign users to it and can begin using it when the clone operation is complete 26 Chapter 4 The Extended Tab 4 4 Explanation of Settings and Controls in the New Virtual Machine and Edit Virtual Machine Windows 4 4 1 Virtual Machine General Settings Explained The following table details the options available on the General tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 2 Virtual Machine General Settings Field Name Description Cluster The name of the host cluster to which the virtual machine is attached Virtual machines are hosted on any physical machine in that cluster in accordance with policy rules Based on Template The template on which the virtual machine can be based This field is set to Blank by default which allows you to create a virtual machine on which an operating system has not yet been installed Template Sub Version The version of the template on which the virtual machine can be based This field is set to the most recent version for the given template by default If no versions other than the base template are available this field is set to base
46. al machines snapshots It also displays a breakdown of storage details for each virtual machine Click the button next to the virtual machine name to display all the virtual disks attached to the virtual machine 4 11 2 Quota A User s Introduction When you create a virtual machine the virtual machine consumes CPU and storage resources from its data center Quota compares the amount of virtual resources consumed by the creation of the virtual machine to the storage allowance and the run time allowance set by the system administrator If you do not have enough of either kind of allowance you are not allowed to create the virtual machine Avoid exceeding your quota limit by using the Resources tab to monitor your CPU and storage consumption RED HAT ENTERPRISE VIRTUALIZATION admin v Guide About Basic Extended Virtual Machines sR T A Virtual CPUs fg Storage Templates Used by Others Used by You Used by Others Used by You l Resources z Total Size 15GB Free Free Number of Snapshots 2 Quota Summary Quota Summary Total Size of Snapshots 5GB 0 0 Show Quota Distribution 0 Show Quota Distribution 0 Virtual Machines Disks amp Snapshots Description Disks Virtual Size Actual Size Snapshots Used by Others Used by You a RHEL 15GB 5GB 1 Free Quota Summary 0 5 Show Quota Distribution 0 Figure 4 13 Resources tab 4 11 3 What to Do When You Exceed
47. annot be configured When verbose logging is enabled for the watchdog service the watchdog service periodically writes log messages to the local system The logtick value represents the number of watchdog intervals after which a message is written Chapter 4 The Extended Tab Variable name Default Value Remarks realtime Specifies whether the watchdog is locked in memory Avalue of yes locks the watchdog in memory so that itis not swapped out of memory while a value of no allows the watchdog to be swapped out of memory If the watchdog is swapped out of memory and is not swapped back in before the watchdog counter reaches zero then the watchdog is triggered priority The schedule priority when the value of realtime is set to yes pidfile var run sysl The path and filename ofa PID file ogd pid that the watchdog monitors to see if the corresponding process is still active If the corresponding process is not active then the watchdog is triggered 4 6 Editing Virtual Machines 4 6 1 Editing Virtual Machine Properties Summary Changes to storage operating system or networking parameters can adversely affect the virtual machine Ensure that you have the correct details before attempting to make any changes Virtual machines can be edited while running and some changes listed in the procedure below will be applied immediately To apply all changes the virtual machine must be restarted or shut down Procedure 4 1
48. aunch RHEV ToolsSetup exe If the Guest Tools ISO is not available in your CD drive contact your system administrator After the tools have been installed you will be prompted to restart the machine for changes to be applied Open firewall ports Allow connections on TCP port 32023 on any firewalls between the guest machine and the client machine Enable USB Auto Share On the User Portal select your guest machine Ensure that you have enabled SPICE USB Auto Share on the guest machine Attach USB device Connect to your guest machine Place the SPICE console window of your guest desktop in focus then attach a USB device to the client The USB device displays in your guest desktop When you close the SPICE session the USB device will no longer be shared with the guest 8 7 Configuring a Windows Client to Use USB Redirection in Legacy Mode If you are connecting from a Windows client machine and wish to use USB devices on your guest you have to enable SPICE USB redirection 107 Red Hat Enterprise Virtualization 3 5 User Guide See the Red Hat Enterprise Virtualization Manager Release Notes for specific channel names current to your system Procedure 8 6 To enable USB redirection on Windows 1 108 Install USB redirector package on client On a Windows client machine install the RHEV USB Client exe This package can be obtained from the Red Hat Enterprise Virtualization Manager v 3 5 X86_64 channel on
49. browser for the changes to take effect The SPICE plug in is installed You can now connect to your virtual machines using the SPICE protocol 2 1 3 Installing Remote Viewer for Internet Explorer on Windows Summary The SPICE ActiveX component is required to run Remote Viewer which opens a graphical console to virtual machines Remote Viewer is a SPICE client installed together with the SPICE Activex component both are provided in the SpicexX cab file Procedure 2 1 Installing Remote Viewer for Internet Explorer on Windows 1 Open Internet Explorer and log in to the User Portal 2 Starta virtual machine and attempt to connect to the virtual machine using the Browser plugin console option 3 Click the warning banner and click Install This Add on when prompted 4 Click Install when prompted 5 Restart Internet Explorer for your changes to take effect Chapter 2 Installing Supporting Components Result You have installed the SPICE plug in and Remote Viewer and can now connect to virtual machines using the SPICE protocol from within Internet Explorer 2 1 4 Installing Remote Viewer on Windows 1 Open a web browser and download one of the following installers according to the architecture of your system Virt Viewer for 32 bit Windows https your manager fqdn ovirt engine services files spice virt viewer x86 ms1 Virt Viewer for 64 bit Windows https your manager fqdn ovirt engine services files spice virt
50. can inherit or override the options specified for the template on which the virtual machine is based or specify options for the virtual machine pool itself 4 10 3 5 3 Installing Cloud Init Summary Install Cloud Init on a virtual machine Procedure 4 31 Installing Cloud Init 1 Log on to the virtual machine 2 Enable the Red Hat Common channel subscription manager repos enable rhel 6 server rh common rpms 3 Install the cloud init package and dependencies yum install cloud init Result You have installed the cloud init package and dependencies 4 10 3 5 4 Using Cloud Init to Initialize a Virtual Machine Summary Use Cloud Init to automate the initial configuration of a Linux virtual machine that has been provisioned based on a template Procedure 4 32 Using Cloud Init to Initialize a Virtual Machine 1 Click the Virtual Machines tab and select a virtual machine 2 Click Run Once to open the Run Virtual Machine s window 3 Expand the Initial Run section and select the Cloud Init check box 4 Enter a host name in the VM Hostname text field 5 Selectthe Configure Time Zone check box and select a time zone fromthe Time Zone drop down menu 70 Chapter 4 The Extended Tab 6 Selectthe Use already configured password check box to use the existing credentials or clear that check box and enter a root password in the Password and Verify Password text fields to specify a new root password 7 Enter any SSH
51. chine and the system on which IPA IdM is hosted are synchronized using NTP Procedure 9 1 Configuring Single Sign On for Red Hat Enterprise Linux Virtual Machines 1 Log in to the Red Hat Enterprise Linux virtual machine 2 Enable the required channel For Red Hat Enterprise Linux 6 Subscription manager repos enable rhel 6 server rhev agent rpms For Red Hat Enterprise Linux 7 subscription manager repos enable rhel 7 server rh common rpms 3 Run the following command to download and install the guest agent packages yum install rhevm guest agent common 110 Chapter 9 Configuring Single Sign On for Virtual Machines Run the following commands to install the single sign on packages yum install rhev agent pam rhev cred yum install rhev agent gdm plugin rhevcred Run the following command to install the IPA packages yum install ipa client Run the following command and follow the prompts to configure ipa client and join the virtual machine to the domain ipa client install permit mkhomedir In environments that use DNS obfuscation this command should be ipa client install domain FQDN server FQDN Fetch the details of an IPA user getent passwd IPA user name This will return something like this some ipa user 936600010 936600001 home Some ipa user bin sh You will need this information in the next step to create a home directory for so
52. chines from Users Summary This procedure explains how to remove user permissions Procedure 4 35 Removing Access to Virtual Machines from Users 1 2 4 Result Click the Virtual Machines tab and selecta virtual machine On the details pane select the Permissions tab Click Remove A warning message displays asking you to confirm removal of the selected permissions To proceed click OK To abort click Cancel You have now removed permissions from a user 80 Part Ill Advanced Usage Part Ill Advanced Usage 1 Introduction to Using Virtual Machines Advanced This chapter describes how to configure advanced operations on virtual machines It includes Configuration of protocol options Use of USB devices with virtual machines Support for multiple monitors 81 Red Hat Enterprise Virtualization 3 5 User Guide Chapter 5 Guest Drivers and Agents 5 1 Installing the Guest Agents and Drivers The Red Hat Enterprise Virtualization guest agents and drivers are a set of components that you can install on Red Hat Enterprise Linux and Windows virtual machines in your Red Hat Enterprise Virtualization environment to provide additional information about and functionality for those virtual machines Key features include the ability to monitor resource usage gracefully shut down or reboot virtual machines from the User Portal and Administration Portal To access this functionality you must install the Red Hat En
53. clones of a base template and have the same operating system and installed applications 14 Chapter 3 The Basic Tab When you take a virtual machine from a virtual machine pool you are not guaranteed to receive the same VM each time However if you configure console options for a VM taken from a virtual machine pool those options are saved as the default for all VMs taken from that virtual machine pool Procedure 3 1 Turning on a Virtual Machine 1 Turn on the standalone virtual machine or take a virtual machine from a pool as follows To turn on a standalone virtual machine select the virtual machine icon and click the button RHEL6 Machine is Down Figure 3 2 Turn on virtual machine To take a virtual machine from a pool select the virtual machine pool icon and click the button 15 Red Hat Enterprise Virtualization 3 5 User Guide UservMPoal Figure 3 3 Take virtual machine froma pool If there is an available virtual machine in the pool an icon for that virtual machine will appear in your list The rest of this procedure then applies to that virtual machine If you can take multiple virtual machines from a pool the icon for the virtual machine pool will change into an icon for the last virtual machine you have taken when you take the maximum number of virtual machines possible for that pool 2 The virtual machine powers up RHEL6 RED HAT ENTERPRISE LINUX 6 Powering
54. cted the virtual machine does not need to be rebooted when a different user connects to it By default strict checking is enabled so that only one user can connect to the console ofa virtual machine No other user is able to opena console to the same virtual machine until ithas been rebooted The exception is thata SuperUser can connect at any time and replace a existing connection When a SuperUser has connected no normal user can connect again until the virtual machine is rebooted Disable strict checking with caution because you can expose the previous user s session to the new user Soundcard Enabled A sound card device is not necessary for all virtual machine use cases If itis for yours enable a sound card here VirtIO Console Device Enabled The VirtlO console device is a console over VirtlO transport for communication between the host user space and guest user space It has two parts device emulation in QEMU that presents a virtio pci device to the guest anda guest driver that presents a character device interface to user Space applications Tick the check box to attach a VirtlO console device to your virtual machine Enable SPICE clipboard copy and Defines whether a user is able to copy and paste paste content from an external host into the virtual machine s SPICE console This option is only available for virtual machines using the SPICE protocol This check box is selected by default 4 4 5 Virtual Machine Host S
55. d Hat Enterprise Virtualization System Administrator Roles Privileges DataCenterAdmin Data Center Administrator Possesses administrative permissions for all objects underneath a specific data center except for storage ClusterAdmin Cluster Administrator Possesses administrative permissions for all objects underneath a specific cluster NetworkAdmin Network Administrator Possesses administrative permissions for all operations on a specific logical network Can configure and manage networks attached to virtual machines To configure port mirroring on a virtual machine network apply the NetworkAdmin role on the network and the UserVmManager role on the virtual machine 4 12 3 Virtual Machine User Roles Explained 7 Red Hat Enterprise Virtualization 3 5 User Guide Virtual Machine User Permission Roles The table below describes the user roles and privileges applicable to virtual machine users These roles allow access to the User Portal for managing and accessing virtual machines but they do not confer any permissions for the Administration Portal Table 4 17 Red Hat Enterprise Virtualization System User Roles Role UserRole PowerUserRole UserVmManager UserTemplateBasedVm VmCreator 78 Privileges Can access and use virtual machines and pools Can create and manage virtual machines and templates System administrator ofa virtual machine Limited privileges to only use Templates Can create
56. disk is attached to the virtual machine Start in Pause Mode Starts then pauses the virtual machine to enable connection to the console suitable for virtual machines in remote locations Linux Boot Options The following options boot a Linux kernel directly instead of through the BIOS bootloader kernel path A fully qualified path to a kernel image to boot the virtual machine The kernel image must be stored on either the ISO domain path name in the format of iso path to image or on the host s local storage domain path name in the format of data images initrd path A fully qualified path to a ramdisk image to be used with the previously specified kernel The ramdisk image must be stored on the ISO domain path name in the format of 1s0 path to image or on the host s local storage domain path name in the format of data images kernel params Kernel command line parameter strings to be used with the defined kernel on boot Initial Run Specifies whether to use Cloud Init or Sysprep to initialize the virtual machine For Linux based virtual machines you must select the Use Cloud Init check box inthe Initial Run tab to view the available options For Windows based virtual machines you must attach the sysprep floppy by selecting the Attach Floppy check box inthe Boot Options tab and selecting the floppy from the list Certain options are only available on Linux based or Windows based virtual machines as noted below
57. e Run the following command to trigger a kernel panic echo c gt proc sysrq trigger Run the following command to terminate the watchdog service kill 9 pgrep watchdog Result The watchdog timer can no longer be reset so the watchdog counter reaches zero after a short period of time When the watchdog counter reaches zero the action specified in the Watchdog Action drop down menu for that virtual machine is performed 4 5 4 4 Parameters for Watchdogs in watchdog conf The following is a list of options for configuring the watchdog service available in the etc watchdog conf file To configure an option you must ensure that option is uncommented and restart the watchdog service after saving the changes 48 Chapter 4 The Extended Tab For a more detailed explanation of options for configuring the watchdog service and using the watchdog command see the watchdog man page Table 4 12 watchdog conf variables Variable name Default Value Remarks ping N A An IP address that the watchdog attempts to ping to verify whether that address is reachable You can specify multiple IP addresses by adding additional ping lines interface N A A network interface that the watchdog will monitor to verify the presence of network traffic You can specify multiple network interfaces by adding additional interface lines file var log mess A file on the local system thatthe ages watchdog will monitor for changes You can
58. e of the new template and of any virtual machines created based on the template As such the template cannot be deleted while any virtual machines created based on the template exist in the environment 60 Chapter 4 The Extended Tab Virtual machines created based on a template use the same NIC type and driver as the original virtual machine but are assigned separate unique MAC addresses 4 10 2 Template Tasks 4 10 2 1 Creating aTemplate Summary Create a template from an existing virtual machine to use as a blueprint for creating additional virtual machines Important Before you create a template you must seal the source virtual machine to ensure all system specific details are removed from the virtual machine This is necessary to prevent the same details from appearing on multiple virtual machines created based on the same template Procedure 4 24 Creating a Template 1 Click the Virtual Machines tab 2 Select the source virtual machine 3 Ensure the virtual machine is powered down and has a status of Down 4 Click Make Template 61 Red Hat Enterprise Virtualization 3 5 User Guide 62 New Template Name RHEL 65 Description ot Cluster CPU Profile Create as a Sub Template version Disks Allocation Alias Virtual Size Target Disk Profile RHEL Disk 5 GB DATA 227 DATA ka Allow all users to access this Template C Copy VM permissions OK Cancel Figure 4 11 The New
59. e or more VMs 4 6 5 Associating a Virtual Disk with a Virtual Machine Summary This procedure explains how to associate a virtual disk with a virtual machine Once the virtual disk is associated with the virtual machine the VM is able to access it Procedure 4 14 Associating a Virtual Disk with a Virtual Machine 1 Click the Virtual Machines tab and select a virtual machine 2 In the details pane select the Disks tab 3 Click Add in the menu atthe top of the Details Pane 4 Type the size in GB of the disk into the Size GB field 5 Type the disk alias into the Alias field 6 Click OK in the bottom right corner of the Add Virtual Disk window The disk you have associated with the virtual machine appears in the details pane after a short time Result The virtual disk is associated with the virtual machine No Quota resources are consumed by attaching virtual disks to or detaching virtual disks from virtual machines 53 Red Hat Enterprise Virtualization 3 5 User Guide Using the above procedure itis now possible to attach a virtual disk to more than one virtual machine 4 6 6 Changing the CD for a Virtual Machine Summary You can change the CD accessible to a virtual machine while that virtual machine is running You can only use ISO files that have been added to the ISO domain of the cluster in which the virtual machine is a member Therefore you must upload ISO files to that domain before you
60. e performance issues or to debug vhost net errors for example if migration fails for virtual machines on which vhost does not exist For Red Hat Enterprise Virtualization 3 1 if viodiskcache is enabled the virtual machine cannot be live migrated Increasing the value of the sndbuf custom property results in increased occurrences of communication failure between hosts and unresponsive virtual machines 39 Red Hat Enterprise Virtualization 3 5 User Guide 4 5 Configuring Virtual Machines 4 5 1 Completing the Configuration of a Virtual Machine by Defining Network Interfaces and Hard Disks Summary Before you can use your newly created virtual machine the Guide Me window prompts you to configure at least one network interface and one virtual disk for the virtual machine Procedure 4 6 Completing the Configuration of a Virtual Machine by Defining Network Interfaces and Hard Disks 1 On the New Virtual Machine Guide Me window click the Configure Network Interfaces button to open the New Network Interface window You can accept the default values or change them as necessary New Network Interface C Name nice Profile Gold rhevm Type VirtlO Link State oR Up nE EE Down Card Status S fP iuggea unplugged Custom MAC address Example 00 14 4a 23 6 7 55 OK Cancel Figure 4 6 New Network Interface window Enter the Name of the network interface 2 Use the drop down menus to select the Net
61. elect Console for RHELG6Erie Ospice vnc Remote Desktop Console Invocation iG Native client noVNC VNC Options Map control alt del shortcut to ctr alt end Console Client Resources OK Cancel Figure 6 3 The Console Options window Console Invocation Native Client When you connect to the console of the virtual machine a file download dialog provides you with a file that opens a console to the virtual machine via Remote Viewer noVNC When you connect to the console of the virtual machine a browser tab is opened that acts as the console VNC Options Map control alt delete shortcut to ctrl alt end Select this check box to map the Ctrl Alt Del key combination to Ctrl Alt End inside the virtual machine 6 1 5 RDP Console Options When the RDP connection protocol is selected the following options are available in the Console Options window 93 Red Hat Enterprise Virtualization 3 5 User Guide Console Options Select Console for WIN_T SPICE VNC Remote Desktop Console Invocation Auto Native client Browser plugin RDP Options Use Local Drives Console Cllent Resources Figure 6 4 The Console Options window Console Invocation Auto The Manager automatically selects the method for invoking the console Native client When you connect to the console of the virtual machine a file download dialog provides you with a file that opens a console to the virtual mach
62. emory 1024MB Physical Memory Guaranteed 1024MB Number of CPU Cores 1 1 Socket s 1 Core s per Socket OK Cancel a Figure 4 9 Custom preview snapshot The status of the snapshot changes to Preview Mode The status of the virtual machine briefly changes to Image Locked before returning to Down 6 Start the virtual machine it runs using the disk image of the snapshot 7 Click Commit to permanently restore the virtual machine to the condition of the snapshot Any subsequent snapshots are erased Alternatively click the Undo button to deactivate the snapshot and return the virtual machine to its previous state Result The virtual machine is restored to its state at the time of the snapshot or returned to its state before the preview of the snapshot 4 9 5 Deleting a Snapshot Summary Delete a virtual machine snapshot and permanently remove it from your Red Hat Enterprise Virtualization environment 59 Red Hat Enterprise Virtualization 3 5 User Guide Important When you delete a snapshot a new logical volume is created of the same size as the snapshot The snapshot being deleted is then merged with the subsequent snapshot in the new volume the new volume is extended to accommodate the total size of the two merged snapshots If there is no data overlap between the two merged snapshots the new logical volume size will be the sum of the two merged snapshots To delete a snapshot you must therefore have at least
63. ended that you log out from a virtual machine before shutting it down to minimize the risk of data loss Additionally if you attempt to forcefully shut down a virtual machine from the User Portal it might freeze with a status of Powering Down To gracefully turn offa virtual machine use the following steps Procedure 3 3 Shutting down a virtual machine 1 Log out of the guest operating system 2 Ifyou were using your virtual machine in full screen mode press Shi ft F11 to exit full screen mode and close the virtual machine s console window You are now returned to the User Portal 3 To shut down the virtual machine click the button The virtual machine is grayed out and displays as Machine is Down when it has been turned off 18 Chapter 4 The Extended Tab Chapter 4 The Extended Tab 4 1 The Extended Tab Graphical Interface The Extended tab graphical interface enables you to access and monitor all the virtual resources that are available to you Eight elements of the Extended tab are explained below RED HAT ENTERPRISE VIRTUALIZATION y admin v Guide About Extended 2 New VM Edit Remove Clone VM Run Once Change CD Make Template O Virtual Machines 3 wy 6 YT CONSOLE Taieniatia c 7 Resources cu E CONSOLE a us wo General Network Interfaces Disks Snapshots Permissions Events Applications Monitor Sessions O Name RHEL_65 Defined Memory 1024 MB Origin oVirt Description Ph
64. es not allow USB redirection from the client machine to the virtual machine Legacy Enables the SPICE USB redirection policy used in Red Hat Enterprise Virtualization 3 0 This option can only be used on Windows virtual machines and will not be supported in future versions of Red Hat Enterprise Virtualization Native Enables native KVM SPICE USB redirection for Linux and Windows virtual machines Virtual machines do not require any in guest agents or drivers for native USB This option can only be used if the virtual machine s cluster compatibility version is set to 3 1 or higher Monitors The number of monitors for the virtual machine This option is only available for virtual desktops using the SPICE display protocol You can choose 1 2 or 4 Since Windows 8 and Windows Server 2012 virtual machines do not support the SPICE protocol they do not support multiple monitors Smartcard Enabled Smart cards are an external hardware security feature most commonly seen in credit cards but also used by many businesses as authentication tokens Smart cards can be used to protect Red Hat Enterprise Virtualization virtual machines Tick or untick the check box to activate and deactivate Smart card authentication for individual virtual machines 32 Chapter 4 The Extended Tab Field Name Description Disable strict user checking Click the Advanced Parameters arrow and select the check box to use this option With this option sele
65. es optimized to act as desktop machines do have a sound card use an image thin allocation and are stateless Name The name of the virtual machine Names must not contain any spaces and must contain at least one character from A Z or 0 9 The maximum length ofa virtual machine name is 255 characters Description A meaningful description of the new virtual machine Comment A field for adding plain text human readable comments regarding the virtual machine Stateless Select this check box to run the virtual machine in stateless mode This mode is used primarily for desktop VMs Running a stateless desktop or server creates a new COW layer on the VM hard disk image where new and changed data Is stored Shutting down the stateless VM deletes the new COW layer which returns the VM to its Original state Stateless VMs are useful when creating machines that need to be used fora short time or by temporary staff Start in Pause Mode Select this check box to always start the virtual machine in pause mode This option is suitable for VMs which require a long time to establish a SPICE connection for example VMs in remote locations Delete Protection Select this check box to make it impossible to delete the virtual machine It is only possible to delete the virtual machine if this check box is not selected At the bottom of the General tab is a drop down box that allows you to assign network interfaces to the new virtual machine Use
66. ettings Explained The following table details the options available on the Host tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 6 Virtual Machine Host Settings Field Name Description 33 Red Hat Enterprise Virtualization 3 5 User Guide Field Name Description Start Running On Defines the preferred host on which the virtual machine is to run Select either Any Host in Cluster The virtual machine can start and run on any available host in the cluster Specific The virtual machine will start running on a particular host in the cluster However the Manager or an administrator can migrate the virtual machine to a different host in the cluster depending on the migration and high availability settings of the virtual machine Select the specific host from the drop down list of available hosts Migration Options Defines options to run and migrate the virtual machine If the options here are not used the virtual machine will run or migrate according to its cluster s policy Allow manual and automatic migration The virtual machine can be automatically migrated from one host to another in accordance with the status of the environment or manually by an administrator Allow manual migration only The virtual machine can only be migrated from one host to another manually by an administrator Do not allow migration The virtual machine cannot be migrated either automatically or manually The
67. evices will connect to the client machine instead of the guest virtual machine To use the USB device on the guest machine manually enable it in the SPICE client menu 91 Red Hat Enterprise Virtualization 3 5 User Guide Open in Full Screen Select this check box for the virtual machine console to automatically open in full screen when you connect to the virtual machine Press SHIFT F11 to toggle full screen mode on or off Enable SPICE Proxy Select this check box to enable the SPICE proxy Enable WAN options Select this check box to set the parameters WANDisableEffects and WANColorDepth to animation and 16 bits respectively on Windows virtual machines Bandwidth in WAN environments is limited and this option prevents certain Windows settings from consuming too much bandwidth Important The Browser plugin console option is only available when accessing the Administration and User Portals through Internet Explorer This console options uses the version of Remote Viewer provided by the SpiceX cab installation program For all other browsers the Native client console option is the default This console option uses the version of Remote Viewer provided by the virt viewer x86 msi and virt viewer x64 msi installation files 6 1 4 VNC Console Options When the VNC connection protocol is selected the following options are available in the Console Options window 92 Chapter 6 Configuring Console Options Console Options C s
68. hat host CPU profiles are defined on the cluster level based on quality of service entries created for data centers Specifies whether the template is created asa new version of an existing template Select this check box to access the settings for configuring this option Root Template The template under which the sub template is added Sub Version Name The name ofthe template This is the name by which the template is accessed when creating a new virtual machine based on the template Alias An alias for the virtual machine disk used by the template By default the alias is set to the same value as that of the source virtual machine Virtual Size The current actual size of the virtual disk used by the template This value cannot be edited and is provided for reference only Target The storage domain on which the virtual disk used by the template is stored By default the storage domain is set to the same value as that of the source virtual machine You can select any storage domain in the cluster Specifies whether a template is public or private A public template can be accessed by all users whereas a private template can only be accessed by users with the TemplateAdmin or SuperUser roles Copies explicit permissions that have been set on the source virtual machine to the template Once a template has been created its properties can be edited Because a template is a copy ofa virtual machine the options avai
69. hen you access a virtual machines from a Windows machine on which Remote Desktop has been installed Moreover before you can connect to a Windows virtual machine using RDP you must set up remote sharing on the virtual machine and configure the firewall to allow remote desktop connections SPICE is not currently supported on virtual machines running Windows 8 If a Windows 8 virtual machine is configured to use the SPICE protocol it will detect the absence of the required SPICE drivers and automatically fall back to using RDP 6 1 2 Accessing Console Options In the User Portal you can configure several options for opening graphical consoles for virtual machines such as the method of invocation and whether to enable or disable USB redirection Procedure 6 1 Accessing Console Options 1 Select a running virtual machine 2 Click the edit console options button to open the Console Options window 89 Red Hat Enterprise Virtualization 3 5 User Guide RED HAT ENTERPRISE VIRTUALIZATION Basic Extended e Clone VM RunOnce ChangeCD Make Template bro nar a gt CONSOLE Tarpinis mm BME Tass Resources A RHEL_7 v 3 le Ey Consote Figure 6 1 The edit console options button Further options specific to each ofthe connection protocols such as the keyboard layout when using the VNC connection protocol can be configured in the Console tab ofthe Edit Virtual Machine window 6 1 3 SPICE Console Op
70. hev tools setup iso file 3 Double click RHEV toolsSetup 4 Click Next at the welcome screen 5 Click Yes in the User Account Control window 6 Follow the prompts on the RHEV Tools InstallShield Wizard window Ensure all check boxes in the list of components are selected 83 Red Hat Enterprise Virtualization 3 5 User Guide RHEV Tool 3 45 InstallShield Wizard Select Features Select the features setup will install Select the features you want to install and deselect the features you do not want to matal Sa Description W RHEY Spice Agent Red Hat Enterprise RHEW Spice Driver Virtualization VirtlO S eral FAHEY Network Driver fl RHEY Agent w RHEY USB RHEY S50 MI RHE Block FAHEY Balloon RHE SCSI W RHE Qemu GA 104 96 ME of space required on the C drive 9117 07 MB of space available on the C drive lt Back Next gt Cancel Figure 5 1 Selecting All Components of Red Hat Enterprise Virtualization Tools for Installation 7 Once installation is complete select Yes I want to restart my computer now and click Finish to apply the changes Result You have installed the guest agents and drivers which now pass usage information to the Red Hat Enterprise Virtualization Manager and allow you to access USB devices single sign on into virual machines and other functionality The Red Hat Enterprise Virtualization guest agent runs as a service called RHEV Agent that you can conf
71. igned to other users These restricted administrator roles are useful for granting a user administrative privileges that limit them to a specific resource For example a DataCenterAdmin role has administrator privileges only for the assigned data center with the 76 Chapter 4 The Extended Tab exception of the storage for that data center and a ClusterAdmin has administrator privileges only for the assigned cluster A UservVmManager is a system administration role for virtual machines in a data center This role can be applied to specific virtual machines to a data center or to the whole virtualized environment this is useful to allow different users to manage certain virtual resources The user virtual machine administrator role permits the following actions Create edit and remove virtual machines Run suspend shutdown and stop virtual machines You can only assign roles and permissions to existing users Many end users are concerned solely with the virtual machine resources of the virtualized environment As a result Red Hat Enterprise Virtualization provides several user roles which enable the user to manage virtual machines specifically but not other resources in the data center 4 12 2 Virtual Machines Administrator Roles Explained Virtual Machine Administrator Permission Roles The table below describes the administrator roles and privileges applicable to virtual machine administration Table 4 16 Re
72. igure using the rhev agent configuration file located in C Program Files Redhat RHEV Drivers Agent 5 4 Automating Guest Additions on Windows Guests with Red Hat Enterprise Virtualization Application Provisioning Tool APT Summary Red Hat Enterprise Virtualization Application Provisioning Tool APT is a Windows service that can be installed on Windows virtual machines and templates When the APT service is installed and running on a virtual machine attached ISO files are automatically scanned When the service recognizes a valid Red Hat Enterprise Virtualization guest tools ISO and no other guest tools are 84 Chapter 5 Guest Drivers and Agents installed the APT service installs the guest tools If guest tools are already installed and the ISO image contains newer versions of the tools the service performs an automatic upgrade This procedure assumes you have attached the rhev tools setup iso ISO file to the virtual machine Procedure 5 3 Installing the APT Service on Windows 1 Log in to the virtual machine 2 Select the CD Drive containing the rhev tools setup iso file 3 Double click RHEV Application Provisioning Tool 4 Click Yes in the User Account Control window 5 Once installation is complete ensure the Start RHEV apt Service check box is selected in the RHEV Application Provisioning Tool InstallShield Wizard window and click Finish to apply the changes Result You have installed and started the APT service
73. ilding for splash page Red Hat Enterprise Virtualization 3 5 User Guide Revision 3 5 9 Fri 29 Aug 2014 Tahlia Richardson BZ 1134151 Added a row about instance types to the New Edit VM explanation tables Revision 3 5 8 Mon 25 Aug 2014 Tahlia Richardson BZ 1120944 Amended virtual machine name maximum character limit to 255 Generator to lists of tabs in other topics Eee reel Added new rows to the table in Virtual Machine System Settings Explained detailing the new custom serial number option Revision 3 5 7 Wed 20 Aug 2014 Andrew Dahms BZ 1131761 oe the list of options available in the Initial Run tab for virtual machines snapshots BZ 1122304 Added a note on new command line options for installing the guest agents and drive on Windows Revision 3 5 6 Mon 18 Aug 2014 Tahlia Richardson BZ 1120955 pass the section on editing a virtual machine to reflect new behaviour Revision 3 5 5 Fri 8 Aug 2014 Andrew Dahms BZ 112 7943 a the procedure for deleting virtual machine snapshots Revision 3 5 4 Wed 23 Jul 2014 Lucy Bopf BZ 1122072 Updated the Enable WAN Options description to include more detail Revision 3 5 3 Fri 27 Jun 2014 Andrew Dahms BZ 1093492 Outlined the difference between the methods for sealing a Linux virtual machine guest N BZ 1012841 Added separate procedures on how to import the Manager certificate Revision 3 5 2 Fri 6 Jun 2014 Andrew Dahms BZ 996570 Updated the list of console op
74. ination and communication between the guest and the hypervisor The driver complements the software implementation of the virtio device used by the host to play the role of a hardware device virtio scsi Paravirtualized iSCSI HDD Server and Desktop driver offers similar functionality to the virtio block device with some additional enhancements In particular this driver Supports adding hundreds of devices and names devices using the standard SCSI device naming scheme virtio serial Virtio serial provides support Server and Desktop for multiple serial ports The improved performance is used for fast Communication between the guest and the host that avoids network complications This fast communication is required for the guest agents and for other features such as clipboard copy paste between the guest and the host and logging virtio balloon Virtio balloon is used to control Server and Desktop the amount of memory a guest actually accesses It offers improved memory over commitment The balloon drivers are installed for future compatibility but not used by default in Red Hat Enterprise Virtualization 3 1 or higher qxl A paravirtualized display driver Server and Desktop reduces CPU usage on the host and provides better performance through reduced network bandwidth on most workloads Table 5 2 Red Hat Enterprise Virtualization Guest Agents and Tools 86 Chapter 5 Guest Drivers and Agents Guest agent too
75. ine via Remote Desktop RDP Options Use Local Drives Select this check box to make the drives on the client machine accessible on the guest virtual machine 6 2 Remote Viewer Options 6 2 1 Remote Viewer Options When you specify the Native clientor Browser plugin console invocation options you will connect to virtual machines using Remote Viewer The Remote Viewer window provides a number of options for interacting with the virtual machine to which it is connected 94 Chapter 6 Configuring Console Options i E wW 1 Remote Viewer File View Send key Help Ctrl Alt Del Ctrl Alt Backspace Ctrl Alt FLl Ctrl Alt F2 Ctri Alt Fs Ctril Alt F4 Ctri Alt F5 Ctri Alt F Ctrl Alt FF Templates Ctrl Alt Fs Ctrl Alt Fo Resources Ctrl Alt F10 Ctrl Alt FLL Ctril Alt Fl2 Recycle Bin Virtual Macl PrintScreen 11 19 AM 4 2 2013 Figure 6 5 The Remote Viewer connection menu Table 6 1 Remote Viewer Options File Screenshot Takes a screen capture of the active window and saves it in a location of your specification USB device selection If USB redirection has been enabled on your virtual machine the USB device plugged into your client machine can be accessed from this menu Quit Closes the console The hot key for this option is Shift Ctr1 QqQ 95 Red Hat Enterprise Virtualization 3 5 User Guide Option Hotkey View Full screen Toggles full screen mode on or off When enabled fu
76. ious option does not appear in the options If you have selected CD ROM as a boot device tick this check box and select a CD ROM image from the drop down menu The images must be available in the ISO domain 4 4 9 Virtual Machine Random Generator Settings Explained The following table details the options available on the Random Generator tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 10 Virtual Machine Random Generator Field Name Random Generator enabled Period duration ms Bytes per period Device source 38 Description Selecting this check box enables a paravirtualized Random Number Generator PCI device virtio rng This device allows entropy to be passed from the host to the virtual machine in order to generate a more sophisticated random number Note that this check box can only be selected if the RNG device exists on the host and is enabled in the host s cluster Specifies the duration ofa period in milliseconds If omitted the libvirt default of 1000 milliseconds 1 second is used If this field is filled Bytes per period must be filled also Specifies how many bytes are permitted to be consumed per period The source of the random number generator This is automatically selected depending on the source supported by the host s cluster fJdev random source The Linux provided random number generator dev hwrng source An external hardware generator Importa
77. keys to be added to the authorized hosts file on the virtual machine in the SSH Authorized Keys text area 8 Select the Regenerate SSH Keys check box to regenerate SSH keys for the virtual machine 9 Enter any DNS servers in the DNS Servers text field 10 Enter any DNS search domains in the DNS Search Domains text field 11 Select the Network check box and use the and buttons to add or remove network interfaces to or from the virtual machine 12 Enter any custom scripts in the Custom Script text area 13 Click OK Important Cloud Init is only supported on cluster compatibility version 3 3 and higher Result The virtual machine boots and the specified settings are applied 4 10 3 5 5 Using Cloud Init to Prepare a Template Summary Use Cloud Init to specify a set of standard settings to be included in a template While the following procedure outlines how to use Cloud Init when preparing a template the same settings are also available in the New Virtual Machine and Edit Template windows Procedure 4 33 Using Cloud Init to Prepare a Template 1 Click the Virtual Machines tab and select a virtual machine 2 Click Editto open the Edit Virtual Machine window 3 Click the Initial Run tab and selectthe Use Cloud Init Sysprep check box 4 Enter a hostname in the VM Hostname text field 5 Selectthe Configure Time Zone check box and select a time zone fromthe Time Zone drop down menu 71 Red Hat Enterprise
78. l rhevm guest agent common spice agent rhev sso Description Works on Allows the Red Hat Enterprise Server and Desktop Virtualization Manager to receive guest internal events and information such as IP address and installed applications Also allows the Manager to execute specific commands such as shut down or reboot on a guest On Red Hat Enterprise Linux 6 and higher guests the rhevm guest agent common installs tuned on your virtual machine and configures it to use an optimized virtualized guest profile The SPICE agent supports Server and Desktop multiple monitors and is responsible for client mouse mode support to provide a better user experience and improved responsiveness than the QEMU emulation Cursor capture is not needed in client mouse mode The SPICE agent reduces bandwidth usage when used over a wide area network by reducing the display level including color depth disabling wallpaper font smoothing and animation The SPICE agent enables clipboard support allowing cut and paste operations for both text and images between client and guest and automatic guest display setting according to client side settings On Windows guests the SPICE agent consists of vdservice and vdagent An agentthat enables users to Desktop automatically log in to their virtual machines based on the credentials used to access the Red Hat Enterprise Virtualization Manager 87 Red Hat Enterprise
79. l machine If no other displays are enabled disabling this display will close the session 7 4 Changing the Resolution of Displays in a Windows Virtual Machine The method for changing the resolution of a Windows virtual machine varies slightly in accordance with the version of Windows installed on the virtual machine The following procedures outline how to change the resolution of virtual machines running Windows 7 Windows Vista or Windows XP Procedure 7 1 Windows 7 1 2 3 Right click the desktop and click Screen resolution to open the Screen Resolution window Select the display whose resolution is to be changed Select the resolution from the Resolution drop down list Procedure 7 2 Windows Vista 1 Right click the desktop and click Personalize to open the Personalization section of the Control Panel Click Display Settings to open the Display Settings window Select the display whose resolution is to be changed 99 Red Hat Enterprise Virtualization 3 5 User Guide 4 Use the Resolution slider to change the resolution of the screen 5 Click Apply to apply the new resolution Procedure 7 3 Windows XP 1 Right click the desktop and click Properties to open the Display Settings window 2 Select the display whose resolution is to be changed 3 Use the Resolution slider to change the resolution of the screen 4 Click Apply to apply the new resolution The maximum resolution that can be set fo
80. lable when editing a template are identical to those in the Edit Virtual Machine window Procedure 4 25 Editing a Template 64 Chapter 4 The Extended Tab 1 Use the Templates resource tab tree mode or the search function to find and select the template in the results list 2 Click Editto open the Edit Template window 3 Change the necessary properties and click OK Result The properties of the template are updated The Edit Template window does notcloseifa property field is invalid 4 10 2 4 Deleting aTemplate Summary Delete a template from your Red Hat Enterprise Virtualization environment Warning If you have used a template to create a virtual machine make sure that you do not delete the template as the virtual machine needs it to continue running Procedure 4 26 Deleting a Template 1 Use the resource tabs tree mode or the search function to find and select the template in the results list 2 Click Remove to open the Remove Template s window 3 Click OK to remove the template Result You have removed the template 4 10 3 Sealing Templates in Preparation for Deployment 4 10 3 1 Sealing a Linux Virtual Machine for Deployment asa Template There are two main methods for sealing a Linux virtual machine in preparation for using that virtual machine to create a template manually or using the sys unconfig command Sealing a Linux virtual machine manually requires you to create a file on the
81. lay symbol when reboot completes Result You have rebooted a virtual machine 4 3 Creating Virtual Machines 4 3 1 Creating a Virtual Machine Summary You can create a virtual machine using a blank template and configure all of its settings Procedure 4 4 Creating a Virtual Machine 1 Click the Virtual Machines tab 23 Red Hat Enterprise Virtualization 3 5 User Guide 2 Click the New VM button to open the New Virtual Machine window New Virtual Machine sama A Cluster Default Default Console Based on Template Blank Template Sub Version base template 1 x Operating System instance Type custom ooo o Optimized for Name Description Comment M Stateless M1 Start in Pause Mode l Delete Protection instantiate VM network interfaces by picking a vNIC profile nici Show Advanced Options OK Cancel Figure 4 5 The New Virtual Machine Window 3 On the General tab fill in the Name and Operating System fields You can accept the default settings for other fields or change them if required 4 Alternatively click the Initial Run Console Host Resource Allocation Boot Options Random Generator and Custom Properties tabs in turn to define options for your virtual machine 5 Click OK to create the virtual machine and close the window TheNew Virtual Machine Guide Me window opens 6 Use the Guide Me buttons to complete configuration or click Configure Later to close the window
82. lay the settings for this option Linux User Name Creates a new user account on the virtual machine If this field is not filled in the default user is root Use already configured password This check box is automatically selected after you specify an initial root password You must clear this check box to enable the Password and Verify Password fields and Specify a new password Password The root password for the virtual machine Enter the password in this text field and the Verify Password textfield to verify the password SSH Authorized Keys SSH keys to be added to the authorized keys file of the virtual machine Regenerate SSH Keys Regenerates SSH keys for the virtual machine Custom Locale Custom locale options for the virtual machine Locales must be in a format such as en US Click the disclosure arrow to display the settings for this option Windows Input Locale The locale for user input UI Language The language used for user interface elements such as buttons and menus System Locale The locale for the overall system User Locale The locale for users Networks Network related settings for the virtual machine Click the disclosure arrow to display the settings for this option Linux DNS Servers The DNS servers to be used by the virtual machine DNS Search Domains The DNS search domains to be used by the virtual machine Network Configures network interfaces for the virtual machine Select thi
83. leges applicable to using and administrating templates in the User Portal Table 4 15 Red Hat Enterprise Virtualization Template User Roles Role Privileges Notes TemplateCreator Can create edit manage and The TemplateCreator role is remove virtual machine not applied to a specific templates within assigned template apply this roletoa resources user for the whole environment with the Configure window Alternatively apply this role for specific data centers clusters or storage domains TemplateOwner Can edit and delete the The TemplateOwner role is template assign and manage automatically assigned to the user permissions for the user who creates a template template Other users who do not have TemplateOwner permissions on a template cannot view or use the template UserTemplateBasedVm Can use the template to create Cannot edit template properties virtual machines 73 Red Hat Enterprise Virtualization 3 5 User Guide Privileges NetworkUser Logical network and network Ifthe ALlow all users to interface user for templates use this Network option was selected when a logical network is created NetworkUser permissions are assigned to all users for the logical network Users can then attach or detach template network interfaces to or from the logical network 4 11 Resources 4 11 1 Monitoring Resources Before making configuration changes to virtual machines in the User Portal it is recommended that you
84. licy affects the speed of the clone operation and the amount of disk space the new virtual machine initially requires Selecting Thin Provision results in a faster clone operation and provides optimized usage of storage capacity Disk space is allocated only as itis required This is the default selection Selecting Preallocated results in a slower clone operation and provides optimized virtual machine read and write operations All disk space requested in the template is allocated at the time of the clone operation 10 Use the Target list to select the storage domain on which the virtual machine s virtual disk will be stored 11 Click OK The virtual machine is displayed in the listin the Virtual Machines tab 4 3 3 Creating a Cloned Virtual Machine Based ona Template Summary Cloned virtual machines are similar to virtual machines based on templates However while a cloned virtual machine inherits settings in the same way as a virtual machine based on a template a cloned virtual machine does not depend on the template on which it was based after it has been created 25 Red Hat Enterprise Virtualization 3 5 User Guide If you clone a virtual machine from a template the name of the template on which that virtual machine was based is displayed in the General tab of the Edit Virtual Machine window for that virtual machine If you change the name of that template the name of the template in the General tab will also be updated
85. ll screen mode expands the virtual machine to fill the entire screen When disabled the virtual machine is displayed as a window The hot key for enabling or disabling full screen is SHIFT F11 Zoom Zooms in and out of the console window Ctrl1 zooms in Ctrl zooms out and Ctr1 0 returns the screen to its Original size Automatically resize Tick to enable the guest resolution to automatically scale according to the size of the console window Displays Allows users to enable and disable displays for the guest virtual machine Send key Ctrl Alt Del On a Red Hat Enterprise Linux virtual machine it displays a dialog with options to suspend shut down or restart the virtual machine On a Windows virtual machine it displays the task manager or Windows Security dialog Ctrl Alt Backspace On a Red Hat Enterprise Linux virtual machine it restarts the X sever On a Windows virtual machine it does nothing Ctrl ALt F1 Ctrl Al1t F2 Ctrl Al1t F3 Ctrl AlLt F4 Ctrl Alt F5 Ctrl Alt F6 Ctrl Alt F7 Ctrl Alt F8 Ctrl Alt F9 Ctrl Alt F10 Ctrl Alt F11 Ctrl Alt F12 Printscreen Passes the Printscreen keyboard option to the virtual machine Help The About entry displays the version details of Virtual Machine Viewer that you are using Release Cursor from Virtual Machine SHIFT F12 6 2 2 Remote Viewer Hotkeys 96 Chapter 6 Configuring Console Options You can access the hotkeys for a virtual machine in both full screen mode and wind
86. m 2 Ifyou were using your virtual machine in full screen mode press Shi ft F11 to exit full screen mode and close the virtual machine s console window You are now returned to the User Portal 3 To turn off the virtual machine click the button The Stop symbol appears next to the 22 Chapter 4 The Extended Tab name of the virtual machine when it has been turned off Result You have turned off a virtual machine You can also turn off virtual machines gracefully using the native method from within the virtual machine itself For example in Windows virtual machines you can click Start Shut Down and in Red Hat Enterprise Linux virtual machines you can click System Shut Down 4 2 3 Rebooting a Virtual Machine from the User Portal Important To minimize the risk of data loss log off from a virtual machine before rebooting Summary This procedure explains how to reboot a virtual machine from the User Portal Procedure 4 3 Rebooting a Virtual Machine from the User Portal 1 Log out of the guest operating system 2 Ifyou were using your virtual machine in full screen mode press Shi ft F11 to exit full screen mode and close the virtual machine s console window You are now returned to the User Portal 3 To reboot the virtual machine click the S button The Reboot symbol appears next to the name of the virtual machine while it is rebooting then changes back to a P
87. machine 4 5 4 2 Installing aWatchdog Summary To activate a watchdog card attached to a virtual machine you must install the watchdog package on that virtual machine and start the watchdog Service Procedure 4 9 Installing a Watchdog 1 Log on to the virtual machine on which the watchdog card is attached 2 Run the following command to install the watchdog package and dependencies yum install watchdog 3 Editthe etc watchdog conf file and uncomment the following line watchdog device dev watchdog 4 Save the changes 5 Run the following commands to start the watchdog service and ensure this service starts on boot 47 Red Hat Enterprise Virtualization 3 5 User Guide service watchdog start chkconfig watchdog on Result You have installed and started the watchdog service on a virtual machine 4 5 4 3 Confirming Watchdog Functionality Summary Confirm that a watchdog card has been attached to a virtual machine and that the watchdog service is active This procedure is provided for testing the functionality of watchdogs only and must not be run on production machines Procedure 4 10 Confirming Watchdog Functionality 1 Log on to the virtual machine on which the watchdog card is attached 2 Run the following command to confirm that the watchdog card has been identified by the virtual machine lspci grep watchdog i 3 Run one of the following commands to confirm that the watchdog is activ
88. machine 2 Enable the Red Hat Enterprise Virtualization Agent channel For Red Hat Enterprise Linux 6 subscription manager repos enable rhel 6 server rhev agent rpms For Red Hat Enterprise Linux 7 subscription manager repos enable rhel 7 server rh common rpms 3 Run the following command to download and install the guest agent packages yum install rhevm guest agent common 4 Run the following command to install the single sign on packages yum install rhev agent gdm plugin rhevcred 5 Run the following command to install the Samba client packages yum install samba client samba winbind samba winbind clients 6 On the virtual machine modify the etc samba smb conf file to contain the following replacing DOMAIN with the short domain name and REALM LOCAL with the Active Directory realm global workgroup DOMAIN realm REALM LOCAL log level 2 syslog 0 server string Linux File Server 112 Chapter 9 Configuring Single Sign On for Virtual Machines security ads log file var log samba m max log size 50 printcap name cups printing cups winbind enum users Yes winbind enum groups Yes winbind use default domain true winbind separator idmap uid 1000000 2000000 idmap gid 1000000 2000000 template shell bin bash 7 Run the following command to join the virtual machine to the domain net ads join U user name 8 Run the following command to start the winbind service
89. machine and its template are usable after template creation 4 10 2 2 Explanation of Settings and Controls inthe New Template Window The following table details the settings for the New Template window Table 4 13 New Template and Edit Template Settings Description Action Name The name of the template This is the name by which the template is listed in the Templates tab in the Administration Portal and is accessed via the REST API This text field has a 40 character limit and must be a unique name with any combination of uppercase and lowercase letters numbers hyphens and underscores Description A description of the template This field is recommended but not mandatory Comment A field for adding plain text human readable comments regarding the template Cluster The cluster with which the template is associated This is the same as the original virtual machines by default You can select any cluster in the data center 63 Red Hat Enterprise Virtualization 3 5 User Guide Field CPU Profile Create as a Sub Template version Disks Allocation Allow all users to access this Template Copy VM permissions 4 10 2 3 Editing aTemplate Summary Description Action The CPU profile assigned to the template CPU profiles define the maximum amount of processing capability a virtual machine can access on the host on which it runs expressed as a percent of the total processing capability available to t
90. me ipa user Setup a home directory for the IPA user a Create the new user s home directory mkdir home some ipa user b Give the new user ownership of the new user s home directory chown 935500010 936600001 home some ipa user You have enabled single sign on for your Red Hat Enterprise Linux virtual machine Log in to the User Portal using the user name and password of a user configured to use single sign on and connect to the console of the virtual machine You will be logged in automatically 9 3 Configuring Single Sign On for Red Hat Enterprise Linux Virtual Machines Using Active Directory 111 Red Hat Enterprise Virtualization 3 5 User Guide To configure single sign on for Red Hat Enterprise Linux virtual machines using GNOME and KDE graphical desktop environments and Active Directory you must install the rhevm guest agent package on the virtual machine install the packages associated with your window manager and join the virtual machine to the domain Important The following procedure assumes that you have a working Active Directory configuration and that the Active Directory domain is already joined to the Manager You must also ensure that the clocks on the Manager the virtual machine and the system on which Active Directory is hosted are synchronized using NTP Procedure 9 2 Configuring Single Sign On for Red Hat Enterprise Linux Virtual Machines 1 Log in to the Red Hat Enterprise Linux virtual
91. minal and type regedit 2 The Registry Editor window opens On the left pane expand HKEY_LOCAL_MACHINE SYSTEM SETUP 3 On the main window right click to add a new string value using New String Value 4 Right click on the file and select Modify to open the Edit String window 5 Enter the following information in the provided fields Value name UnattendFile Value data a sysprep inf 6 Launch Sysprep fromC Windows System32 sysprep sysprep exe 7 Enter the following information into the Sysprep tool Under System Cleanup Action selectEnter System Out of Box Experience OOBE Select the Generalize check box if you need to change the computer s system identification number SID Under Shutdown Options select Shutdown Click OK to complete the sealing process the virtual machine shuts down automatically upon completion Result The Windows 7 or Windows 2008 template is sealed and ready for deploying virtual machines 4 10 3 5 Using Cloud Init to Automate the Configuration of Virtual Machines 4 10 3 5 1 Cloud Init Overview Cloud Init is a tool for automating the initial setup of virtual machines such as configuring the host name network interfaces and authorized keys It can be used when provisioning virtual machines that have been deployed based on a template to avoid conflicts on the network To use this tool the cloud init package must first be installed on the virtual machine Once installed the
92. nd Controls in the New Virtual Machine and Edit Virtual Machine Windows 4 5 Configuring Virtual Machines 4 6 Editing Virtual Machines 4 7 Removing Virtual Machines 4 8 Cloning Virtual Machines 4 9 Snapshots 4 10 Templates 4 11 Resources 4 12 Virtual Machines and Permissions Part Ill Advanced Usage 1 Introduction to Using Virtual Machines Advanced Chapter 5 Guest Drivers and Agents 5 1 Installing the Guest Agents and Drivers 5 2 Installing the Guest Agents and Drivers on Red Hat Enterprise Linux 5 3 Installing the Guest Agents and Drivers on Windows 5 4 Automating Guest Additions on Windows Guests with Red Hat Enterprise Virtualization Application Provisioning Tool APT 5 5 Red Hat Enterprise Virtualization Guest Drivers and Guest Agents Chapter 6 Configuring Console Options 6 1 Console Options 6 2 Remote Viewer Options Chapter 7 Configuring Multiple Monitors 7 1 Configuring Multiple Displays for Red Hat Enterprise Linux Virtual Machines 7 2 Changing the Resolution of Displays in a Red Hat Enterprise Linux Virtual Machine 7 3 Configuring Multiple Displays for Windows Virtual Machines 7 4 Changing the Resolution of Displays in a Windows Virtual Machine Chapter 8 Configuring USB Devices 2 40 51 56 56 57 61 14 16 81 82 82 82 82 84 85 89 89 94 98 98 98 98 99 mace Liani Pm ant Ames Aan Ewe ew li anatia nana OL lileanav iiia LJ A AN E A E a FA KICK yar Eai IF
93. ndows 7 Windows 2008 Windows 2008 Server R2 Guest Red Hat Enterprise Linux 6 0 and higher Red Hat Enterprise Linux 5 5 and higher Windows XP Windows 7 Windows 2008 101 Red Hat Enterprise Virtualization 3 5 User Guide If you have a 64 bit architecture PC you must use the 64 bit version of Internet Explorer to install the 64 bit version of the USB driver The USB redirection will not work if you install the 32 bit version on a 64 bit architecture As long as you initially install the correct USB type you then can access USB redirection from both 32 and 64 bit browsers 8 3 Using USB Devices on a Windows Client The usbclerk service must be running on the Windows client for the USB device to be redirected to the guest Ensure the version of usbclerk matches the architecture of the client machine For example the 64 bit version of usbclerk must be installed on 64 bit Windows machines Procedure 8 1 Using USB Devices on a Windows Client 1 When the usbclerk service is installed and running select a virtual machine that has been configured to use the SPICE protocol 2 Ensure USB support is set to Native a Click the Edit button to open the Edit Virtual Machine window b Click the Console tab c Fromthe USB Support drop down menu select Native d Click OK 3 Right click the virtual machine and click Edit Console Options to open the Console Options window and select the Enable USB Auto Share check box 4
94. ng Virtual Machines to Users If you are creating virtual machines for users other than yourself you have to assign roles to the users before they can use the virtual machines Note that permissions can only be assigned to existing users See the Red Hat Enterprise Virtualization Installation Guide for details on creating user accounts The Red Hat Enterprise Virtualization User Portal supports three default roles User PowerUser and UserVmManager However customized roles can be configured via the Red Hat Enterprise Virtualization Manager Administration Portal The default roles are described below A User can connect to and use virtual machines This role is suitable for desktop end users performing day to day tasks A PowerUser can create virtual machines and view virtual resources This role is suitable if you are an administrator or manager who needs to provide virtual resources for your employees A UserVmManager can edit and remove virtual machines assign user permissions use snapshots and use templates It is suitable if you need to make configuration changes to your virtual environment When you create a virtual machine you automatically inherit UserVmManager privileges This enables you to make changes to the virtual machine and assign permissions to the users you manage or users who are in your Identity Management IdM or RHDS group See Red Hat Enterprise Virtualization Installation Guide for more information on directory ser
95. ns vCPU 1 to one of the pCPUs in the range of 1 to 4 excluding pCPU 2 In order to pin a virtual machine to a host you must selectDo not allow migration under Migration Options and select the Use Host CPU check box The amount of physical memory guaranteed for this virtual machine The Template Provisioning option is only available when the virtual machine is created froma template Provides optimized usage of storage capacity Disk space is allocated only as it is required Optimized for the speed of guest read and write operations All disk space requested in the template is allocated at the time of the clone operation Allows users to enable or disable the use of VirtlO SCSI on the virtual machines 4 4 8 Virtual Machine Boot Options Settings Explained The following table details the options available on the Boot Options tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 9 Virtual Machine Boot Options Settings 37 Red Hat Enterprise Virtualization 3 5 User Guide Field Name First Device Second Device Attach CD Description After installing a new virtual machine the new virtual machine must go into Boot mode before powering up Select the first device that the virtual machine must try to boot Hard Disk CD ROM Network PXE Select the second device for the virtual machine to use to boot if the first device is not available The first device selected in the prev
96. nt Chapter 4 The Extended Tab This feature is only supported with a host running Red Hat Enterprise Linux 6 6 and later or Red Hat Enterprise Linux 7 0 and later 4 4 10 Virtual Machine Custom Properties Settings Explained The following table details the options available on the Custom Properties tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 11 Virtual Machine Custom Properties Settings Field Name Description sap_agent Enables SAP monitoring on the virtual machine Set to true or false Enter the size of the buffer for sending the virtual machine s outgoing data over the socket Default value is O Disables vhost net which is the kernel based virtio network driver on virtual network interface cards attached to the virtual machine To disable vhost the format for this property is sndbuf LogicalNetworkName false This will explicitly start the virtual machine without the vhost net setting on the virtual NIC attached to LogicalNetworkName Caching mode for the virtio disk wri tethrough writes data to the cache and the disk in parallel wri teback does not copy modifications from the cache to the disk and none disables caching viodiskcache Recommendations and Limitations vhost net provides better performance than virtio net and if itis present itis enabled on all virtual machine NICs by default Disabling this property makes it easier to isolate and diagnos
97. of MySQL AB in the United States the European Union and other countries Node js is an official trademark of Joyent Red Hat Software Collections is not formally related to or endorsed by the official Joyent Node js open source or commercial project The OpenStack Word Mark and OpenStack Logo are either registered ttademarks service marks or trademarks service marks of the OpenStack Foundation in the United States and other countries and are used with the OpenStack Foundation s permission We are not affiliated with endorsed or sponsored by the OpenStack Foundation or the OpenStack community All other trademarks are the property of their respective owners Abstract This document shows you how to use virtual machines from the Red Hat Enterprise Virtualization User Portal Part I Getting Started Chapter 1 Accessing the User Portal Chapter 2 Installing Supporting Components Part Il Basic Usage Chapter 3 The Basic Tab Chapter 4 The Extended Tab Table of Contents 1 1 Browser Requirements 1 2 Logging in to the User Portal 1 3 Logging out of the User Portal 1 4 Logging in for the First Time Installing the Engine Certificate 2 1 Installing Console Components 2 2 Installing USB Redirection Components 3 1 Basic Tab Graphical Interface 3 2 Running Virtual Machines 4 1 The Extended Tab Graphical Interface 4 2 Running Virtual machines 4 3 Creating Virtual Machines 4 4 Explanation of Settings a
98. of your system USB Clerk for 32 bit Windows Chapter 2 Installing Supporting Components https your manager s address ovirt engine services files spice usbclerk x86 msi USB Clerk for 64 bit Windows https your manager s address ovirt engine services files spice usbclerk x64 msi 2 Open the folder where the file was saved 3 Double click the file 4 Click Run if prompted by a security warning 5 Click Yes if prompted by User Account Control Result USB Clerk is installed The SPICE client sends requests to install or uninstall drivers for USB devices when users connect or disconnect USB devices to or from a guest upon request 11 Red Hat Enterprise Virtualization 3 5 User Guide Part Il Basic Usage 12 Chapter 3 The Basic Tab Chapter 3 The Basic Tab 3 1 Basic Tab Graphical Interface The Basic tab enables you to view and use all the virtual machines that are available to you The screen consists of three areas the title bar a virtual machines area and a details pane Anumber of control buttons allow you to work with the virtual machines RED HAT ENTERPRISE VIRTUALIZATION Zadmin Guide About Basic Extended liv RHEL 6 fan Working VM Operating System Red Hat Enterprise Linux 6 x Defined Memory 1GB Number of Cores 1 1 Socket s 1 Core s per Socket Working VM Drives PLITERPRISE LINUX 6 Working_VM_Disk1 10GB er P a Console
99. ou to automate tasks such as creating users and files configuring yum repositories and running commands For more information on the format of scripts that can be entered in Sysprep Windows A custom Sysprep definition The definition must be in the format of a complete unattended installation answer file You can copy and paste the default answer files in the usr share ovirt engine conf sysprep directory on the machine on which the Red Hat Enterprise Virtualization Manager is installed and alter the fields as required 4 4 4 Virtual Machine Console Settings Explained 31 Red Hat Enterprise Virtualization 3 5 User Guide The following table details the options available on the Console tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 5 Virtual Machine Console Settings Field Name Description Protocol Defines which display protocol to use SPICE is the recommended protocol for Linux and Windows virtual machines excepting Windows 8 and Windows Server 2012 Optionally select VNC for Linux virtual machines A VNC client is required to connect to a virtual machine using the VNC protocol VNC Keyboard Layout Defines the keyboard layout for the virtual machine This option is only available when using the VNC protocol USB Support Defines whether USB devices can be used on the virtual machine This option is only available for virtual machines using the SPICE protocol Select either Disabled Do
100. owed mode If you are using full screen mode you can display the menu containing the button for hotkeys by moving the mouse pointer to the middle of the top of the screen If you are using windowed mode you can access the hotkeys via the Send key menu on the virtual machine window title bar if vdagent is not running on the client machine the mouse can become captured in a virtual machine window if itis used inside a virtual machine and the virtual machine is not in full screen To unlock the mouse press Shift F12 97 Red Hat Enterprise Virtualization 3 5 User Guide Chapter 7 Configuring Multiple Monitors 7 1 Configuring Multiple Displays for Red Hat Enterprise Linux Virtual Machines A maximum of four displays can be configured for a single Red Hat Enterprise Linux virtual machine when connecting to the virtual machine using the SPICE protocol i 2 Starta SPICE session with the virtual machine Open the View drop down menu atthe top of the SPICE client window Open the Display menu Click the name ofa display to enable or disable that display By default Display 1 is the only display that is enabled on starting a SPICE session with a virtual machine If no other displays are enabled disabling this display will close the session 7 2 Changing the Resolution of Displays in a Red Hat Enterprise Linux Virtual Machine Open the System menu from the GNOME panel Open the Preferences section Click
101. plate Summary Seal a Windows XP template using the Sysprep tool before using the template to deploy virtual machines You can also use the procedure above to seal a Windows 2003 template The Windows 2003 Sysprep tool is available at http www microsoft com download en details aspx id 14830 Procedure 4 29 Sealing a Windows XP Template 1 Download sysprep to the virtual machine to be used as a template The Windows XP Sysprep tool is available at http www microsoft com download en details aspx id 11282 2 Create a new directory c sysprep 3 Open the deploy cab file and add its contents to c Sysprep 4 Execute sysprep exe from within the folder and click OK on the welcome message to display the Sysprep tool 5 Select the following check boxes Don t reset grace period for activation Use Mini Setup 6 Ensure that the shutdown mode is set to Shut down and click Reseal 7 Acknowledge the pop up window to complete the sealing process the virtual machine shuts down automatically upon completion Result The Windows XP template is sealed and ready for deploying virtual machines 4 10 3 4 3 Sealing a Windows 7 or Windows 2008 Template Summary Seal a Windows 7 or Windows 2008 template before using the template to deploy virtual machines Procedure 4 30 Sealing a Windows 7 or Windows 2008 Template 68 Chapter 4 The Extended Tab 1 In the virtual machine to be used as a template open a command line ter
102. r any display is 2560 x 1600 The minimum resolution that can be set for the primary display is 800 x 600 all other displays can be set to a minimum of 640 x 480 100 Chapter 8 Configuring USB Devices Chapter 8 Configuring USB Devices 8 1 Using USB Devices on Virtual Machines Introduction A virtual machine connected with the SPICE protocol can be configured to connect directly to USB devices The USB device will only be redirected if the virtual machine is active and in focus USB redirection can be manually enabled each time a device is plugged in or set to automatically redirect to active virtual machines in the SPICE client menu Important Note the distinction between the client machine and guest machine The client is the hardware from which you access a guest The guest is the virtual desktop or virtual server which is accessed through the User Portal 8 2 Using USB Devices on Virtual Machines Native Mode USB redirection Native mode allows KVM SPICE USB redirection for Linux and Windows virtual machines Virtual guest machines require no guest installed agents or drivers for native USB All packages required by the client are brought forward by the SPICE xpi Firefox plugin The USBClerk package must be installed on the Windows client Native USB mode is supported on the following clients and guests Client Red Hat Enterprise Linux 6 0 and higher Red Hat Enterprise Linux 5 5 and higher Windows XP Wi
103. r block access to certain USB devices For details see the sections on USB Filter Editor in the Red Hat Enterprise Virtualization Administration Guide Red Hat Enterprise Virtualization 3 5 User Guide Chapter 9 Configuring Single Sign On for Virtual Machines 9 1 Configuring Single Sign On for Virtual Machines Configuring single sign on also known as password delegation allows you to automatically log in to a virtual machine using the credentials you use to log in to the User Portal Single sign on can be used on both Red Hat Enterprise Linux and Windows virtual machines Important If single sign on to the User Portal is enabled single sign on to virtual machines will not be possible With single sign on to the User Portal enabled the User Portal does not need to accepta password thus the password cannot be delegated to sign in to virtual machines 9 2 Configuring Single Sign On for Red Hat Enterprise Linux Virtual Machines Using IPA IdM To configure single sign on for Red Hat Enterprise Linux virtual machines using GNOME and KDE graphical desktop environments and IPA IdM servers you must install the rhevm quest agent package on the virtual machine and install the packages associated with your window manager Important The following procedure assumes that you have a working IPA configuration and that the IPA domain is already joined to the Manager You must also ensure that the clocks on the Manager the virtual ma
104. raphical console to your virtual machine Result Windows installations include an option to load additional drivers early in the installation process Use this option to load drivers from the virtio win vfd diskette that was attached to your virtual machine as A For each supported virtual machine architecture and Windows version there is a folder on the disk containing optimized hardware device drivers 4 5 3 Virtual Machine Run Once Settings Explained The Run Once window defines one off boot options for a virtual machine For persistent boot options use the Boot Options tab in the New Virtual Machine window Boot Options Defines the virtual machine s boot sequence running options and source images for installing the Operating system and required drivers 42 Attach Floppy Attaches a diskette image to the virtual machine Use this option to install Windows drivers The diskette image must reside in the ISO domain Attach CD Attaches an ISO image to the virtual machine Use this option to install the virtual machine s Operating system and applications The CD image must reside in the ISO domain Boot Sequence Determines the order in which the boot devices are used to boot the virtual machine Select either Hard Disk CD ROM or Network and use Up and Down to move the option up or down in the list Run Stateless Deletes all changes to the virtual machine upon shutdown This option is only available if a virtual
105. right 5 including the operating system defined memory number of cores and size of virtual drives You can also configure connection protocol options 6 such as enabling the use of USB devices or local drives 3 2 Running Virtual Machines 3 2 1 Running Virtual Machines Overview In the User Portal virtual machines are represented by icons that indicate both type and status The icons indicate whether a virtual machine is part of a virtual machine pool or is a standalone Windows or Linux virtual machine The icons also reflect whether the virtual machine is running or stopped The User Portal displays a list of the virtual machines assigned to you You can turn on one or more virtual machines connect and log in You can access virtual machines that are running different Operating systems and you can use multiple virtual machines simultaneously In contrast if you have only one running virtual machine and have enabled automatic connection you can bypass the User Portal and log in directly to the virtual machine similar to how you log in to a physical machine 3 2 2 Turning ona Virtual Machine To use a virtual machine in the User Portal you must turn it on and then connect to it If a virtual machine is turned off itis grayed out and displays Machine is Down You can be assigned an individual virtual machine or assigned to one or more virtual machines that are part of a virtual machine pool Virtual machines in a pool are all
106. rtual machines using the rhev tools setup iso ISO file which is provided by the rhev guest tools iso package installed as a dependency to the Red Hat Enterprise Virtualization Manager This ISO file is located in usr share rhev guest tools iso rhev tools setup iso on the system on which the Red Hat Enterprise Virtualization Manager is installed The rhev tools setup iso ISO file is automatically copied to the default ISO storage domain ifany when you run engine setup or must be manually uploaded to an ISO storage domain Updated versions of the rhev tools setup iso ISO file must be manually attached to running Windows virtual machines to install updated versions of the tools and drivers If the APT service is enabled on virtual machines the updated ISO files will be automatically attached If you install the guest agents and drivers from the command line or as part of a deployment tool such as Windows Deployment Services you can append the options ISSILENTMODE and ISNOREBOOT to RHEV toolsSetup exe to silently install the guest agents and drivers and prevent the machine on which they have been installed from rebooting immediately after installation The machine can then be rebooted later once the deployment process is complete D RHEV toolsSetup exe ISSILENTMODE ISNOREBOOT Procedure 5 2 Installing the Guest Agents and Drivers on Windows 1 Log in to the virtual machine 2 Select the CD Drive containing the r
107. s check box and click or to add or remove network interfaces to or from the virtual machine When you click a set of fields becomes visible that can specify whether to use DHCP and configure an IP address netmask and gateway and specify whether the network interface will start on boot Custom Script Custom scripts that will be run on the virtual machine when it starts Custom Scripts The scripts entered in this field are custom YAML sections that are added to those produced by the Manager and allow you to automate tasks such as creating users and files configuring yum repositories and running commands For more information on the format Sysprep A custom Sysprep definition Sysprep The definition must be in the format of a complete unattended installation answer file You can copy and paste the default answer files in the usr share ovirt engine conf sysprep directory on the machine on which the Red Hat Enterprise Virtualization Manager is installed and alter the fields as required Windows Host Defines the virtual machine s host Any host in cluster Allocates the virtual machine to any available host Specific Specifies a user defined host for the virtual machine Display Protocol Defines the protocol to connect to virtual machines VNC Can be used for Linux virtual machines Requires a VNC client to connect to a virtual machine using VNC Optionally specify VNC Keyboard Layout from the drop down list SPICE
108. select the network interface to edit 3 Click Edit to open the Edit Network Interface window This dialog contains the same fields as the New Network Interface dialog 4 Click OK to save your changes once you are finished Result You have now changed the network interface by editing it 4 6 3 Extending the Size of an Online Virtual Disk Summary This procedure explains how to extend the size of a virtual drive while the virtual drive is attached to a virtual machine Procedure 4 13 Extending the Size of an Online Virtual Disk 1 Click the Virtual Machines tab and select a virtual machine 2 Select the Disks tab in the details pane 3 Select a target disk from the list in the details pane 4 Click Edit in the details pane 52 Chapter 4 The Extended Tab 5 Enter a value in the Extend size by GB field 6 Click OK Result The target disk s status becomes Locked for a short time during which the drive is resized When the resizing of the drive is complete the status of the drive becomes OK 4 6 4 Floating Disks Floating disks are disks that are not associated with any virtual machine Floating disks can minimize the amount of time required to set up virtual machines Designating a floating disk as storage for a VM makes it unnecessary to wait for disk preallocation atthe time ofa VM s creation Floating disks can be attached to virtual machines or designated as shareable disks which can be used with on
109. take an inventory of the resources available This is to ensure the resources are sufficient for peak performance and to avoid overloading the hosts running the virtual machines The Resources tab in the navigation pane shows a cumulative view of all the resources available in the User Portal and the performance and statistics of each virtual machine RED HAT ENTERPRISE VIRTUALIZATION admin v Guide About Extended Virtual Machines Virtual CPUs fg Storage Templates Used by Others Used by You Used by Others Used by You l Resources z z Total Size 15GB Free Free Number of Snapshots 2 Quota Summary Quota Summary Total Size of Snapshots 5GB 0 0 Show Quota Distribution 0 Show Quota Distribution 0 Virtual Machines Disks amp Snapshots Description Disks Virtual Size Actual Size Snapshots Used by Others Used by You ZI RHEL_7 15GB 5GB 1 Free Quota Summary 0 5 Show Quota Distribution 0 Figure 4 12 Resources tab Virtual CPUs This box displays the number of your machines virtual CPUs in use and the 74 Chapter 4 The Extended Tab consumption of CPU quota used by you and others Memory This box displays the consumption of memory quota used by you and others and available memory as defined by the quota Storage This box displays the consumption of storage quota by you and others the total size of all your virtual disks and the number and total size of your virtu
110. ted on Windows clients the autoplay window will appear and the client will take control of the device making it unavailable to the guest To avoid this issue disable USB autoplay on your Windows clients You can also define additional USB policies for Windows clients to allow or block access to certain USB devices For details see the sections on USB Filter Editor in the Red Hat Enterprise Virtualization Administration Guide If you connect to a virtual guest from a Red Hat Enterprise Linux client machine you have to install several SPICE packages before you can share USB devices between the client and the guest Procedure 8 5 Using USB devices on Red Hat Enterprise Linux clients Chapter 8 Configuring USB Devices Install SPICE packages on client On your Linux client machine install the following packages Spice usb share kmod kspiceusb rhel60 for Red Hat Enterprise Linux 6 or kmod kspiceusb rhe l5u6 for Red Hat Enterprise Linux 5 These packages are available on the Content Delivery Network from the Red Hat Enterprise Linux Supplementary Software channel for your version of Red Hat Enterprise Linux To install the packages run yum install spice usb share kmod kspiceusb Run SPICE USB services Start the spiceusbsrvd service and load the kspiceusb module Run service spiceusbsrvd start modprobe kspiceusb Install RHEV Tools on guest Locate the CD drive to access the contents of the Guest Tools ISO and l
111. template by default Each version is marked by a number in brackets that indicates the relative order of the versions with higher numbers indicating more recent versions Operating System The operating system Valid values include a range of Red Hat Enterprise Linux and Windows variants Instance Type The instance type on which the virtual machine s hardware configuration can be based This field is set to Custom by default which means the virtual machine is not connected to an instance type The other options available from this drop down menu are Large Medium Small Tiny XLarge and any custom instance types that the Administrator has created Other settings that have a chain link icon next to them are pre filled by the selected instance type If one of these values is changed the virtual machine will be detached from the instance type and the chain icon will appear broken However if the changed setting is restored to its original value the virtual machine will be reattached to the instance type and the links in the chain icon will rejoin 27 Red Hat Enterprise Virtualization 3 5 User Guide Field Name Description Optimized for The type of system for which the virtual machine is to be optimized There are two options Server and Desktop by default the field is set to Server Virtual machines optimized to actas servers have no sound card use a cloned disk image and are not stateless In contrast virtual machin
112. terprise Virtualization 3 5 User Guide The following table details the options available on the Resource Allocation tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 8 Virtual Machine Resource Allocation Settings Field Name Sub element Description CPU Allocation CPU Profile The CPU profile assigned to the virtual machine CPU profiles define the maximum amount of processing capability a virtual machine can access on the host on which it runs expressed as a percent of the total processing capability available to that host CPU profiles are defined on the cluster level based on quality of service entries created for data centers CPU Shares Allows users to set the level of CPU resources a virtual machine can demand relative to other virtual machines Low 512 Medium 1024 High 2048 Custom Acustom level of CPU shares defined by the user 36 Field Name Sub element Chapter 4 The Extended Tab Description CPU Pinning topology Memory Allocation Storage Allocation Thin Clone VirtIO SCSI Enabled Enables the virtual machine s virtual CPU vCPU to runona specific physical CPU pCPU in a specific host This option is not supported if the virtual machine s cluster compatibility version is set to 3 0 The syntax of CPU pinning is v4p _v p for example 0 0 Pins vCPU 0 to pCPU O 0 0_1 3 Pins vCPU 0 to pCPU 0 and pins vCPU 1 to pCPU 3 1 1 4 42 Pi
113. terprise Virtualization guest agents and drivers on each virtual machine on which this functionality is to be available 5 2 Installing the Guest Agents and Drivers on Red Hat Enterprise Linux Summary The Red Hat Enterprise Virtualization guest agents and drivers are installed on Red Hat Enterprise Linux virtual machines using the rhevm guest agent package provided by the Red Hat Enterprise Virtualization Agent channel Procedure 5 1 Installing the Guest Agents and Drivers on Red Hat Enterprise Linux 1 Log in to the Red Hat Enterprise Linux virtual machine 2 Enable the Red Hat Enterprise Virtualization Agent channel For Red Hat Enterprise Linux 6 subscription manager repos enable rhel 6 server rhev agent rpms For Red Hat Enterprise Linux 7 subscription manager repos enable rhel 7 server rh common rpms 3 Install the rhevm guest agent common package and dependencies yum install rhevm guest agent common Result You have installed the guest agent which now passes usage information to the Red Hat Enterprise Virtualization Manager The Red Hat Enterprise Virtualization agent runs as a service called ovirt guest agent that you can configure via the ovirt guest agent conf configuration file in the etc directory 5 3 Installing the Guest Agents and Drivers on Windows Summary 82 Chapter 5 Guest Drivers and Agents The Red Hat Enterprise Virtualization guest agents and drivers are installed on Windows vi
114. the plus and minus buttons to add or remove additional network interfaces 4 4 2 Virtual Machine System Settings Explained The following table details the options available on the System tab of the New Virtual Machine and Edit Virtual Machine windows Table 4 3 Virtual Machine System Settings Field Name Description 28 Field Name Chapter 4 The Extended Tab Memory Size Total Virtual CPUs Cores per Virtual Socket Virtual Sockets Time Zone Provide custom serial number policy Description The amount of memory assigned to the virtual machine When allocating memory consider the processing and storage needs of the applications that are intended to run on the virtual machine Maximum guest memory is constrained by the selected guest architecture and the cluster compatibility level The processing power allocated to the virtual machine as CPU Cores Do not assign more cores to a virtual machine than are present on the physical host The number of cores assigned to each virtual socket The number of CPU sockets for the virtual machine Do not assign more sockets to a virtual machine than are present on the physical host This option sets the time zone offset of the guest hardware clock For Windows this should correspond to the time zone set in the guest Most default Linux installations expect the hardware clock to be GMT 00 00 This checkbox allows you to specify a serial number for the virtual
115. tions When the SPICE connection protocol is selected the following options are available in the Console Options window 90 Chapter 6 Configuring Console Options Console Options Select Console for RHELG6Erie spice Cvnc Remote Desktop Console Invocation Auto Native client O Browser plugin SPICE HTML5 browser client Tech preview SPICE Options Map control alt del shortcut to ctrl alt end Enable USB Auto Share LI Open in Full Screen L Enable SPICE Proxy Console Client Resources OK Cancel Figure 6 2 The Console Options window Console Invocation Auto The Manager automatically selects the method for invoking the console Native client When you connect to the console of the virtual machine a file download dialog provides you with a file that opens a console to the virtual machine via Remote Viewer Browser plugin When you connect to the console of the virtual machine you are connected directly via Remote Viewer SPICE HTML5 browser client Tech preview When you connect to the console ofthe virtual machine a browser tab is opened that acts as the console SPICE Options Map control alt del shortcut to ctrl alt end Select this check box to map the Ctrl Alt Del key combination to Ctrl Alt End inside the virtual machine Enable USB Auto Share Select this check box to automatically redirect USB devices to the virtual machine If this option is not selected USB d
116. tions for the SPICE and VNC connection protocols Revision 3 5 1 Thu 5 Jun 2014 Lucy Bopf Initial creation for the Red Hat Enterprise Virtualization 3 5 release 116
117. to remove the virtual disks attached to the virtual machine together with the virtual machine Ifthe Remove Disk s check box is cleared then the virtual disks remain in the environment as floating disks 4 Click OK Result The virtual machine is removed from the environment and is no longer listed in the Virtual Machines resource tab If you selected the Remove Disk s check box then the virtual disks attached to the virtual machine are also removed 4 8 Cloning Virtual Machines 4 8 1 Cloning a Virtual Machine Summary In Red Hat Enterprise Virtualization 3 5 you can now clone virtual machines without having to create a template or a snapshot first Important The Clone VM button is disabled while virtual machines are running you must shut down a virtual machine before you can clone it Procedure 4 19 Cloning a Virtual Machine 1 Click the Virtual Machines tab and select the virtual machine to clone 2 Click the Clone VM button to open the Clone Virtual Machine window 3 Enter a name for the new virtual machine 4 Click OK Result A duplicate virtual machine is generated 4 9 Snapshots 4 9 1 Managing Snapshots Before you make changes to your virtual machine it is recommended to use snapshots to back up all the virtual machine s existing data Asnapshot displays a view of the virtual machine s operating system and all its applications ata given pointin time and can be used to restore a virtual machine
118. u access the User Portal Important If you are using Internet Explorer to access the User Portal you must also add the URL for the Red Hat Enterprise Virtualization welcome page to the list of trusted sites to ensure all security rules for trusted sites are applied to console resources such as console vv mime files and Remote Desktop connection files Red Hat Enterprise Virtualization 3 5 User Guide Chapter 2 Installing Supporting Components 2 1 Installing Console Components 2 1 1 Console Components A console is a graphical window that allows you to view the start up screen shut down screen and desktop ofa virtual machine and to interact with that virtual machine in a similar way to a physical machine In Red Hat Enterprise Virtualization the default application for opening a consoletoa virtual machine is Remote Viewer which must be installed on the client machine prior to use 2 1 2 Installing Remote Viewer on Linux Remote Viewer is a SPICE client that is included the virt viewer package provided by the Red Hat Enterprise Linux Workstation v 6 for x86_64 channel 1 Install the spice xpi package and dependencies yum install spice xp1 2 Check whether the virt viewer package has already been installed on your system rpm q virt viewer virt viewer 0 5 2 18 e16_4 2 x86_64 3 If the virt viewer package has not been installed install the package and its dependencies yum install virt viewer 4 Restart your
119. ual machine Figure 4 4 Connect to virtual machine 3 Ifitis the first time connecting with SPICE you will be prompted to install the appropriate SPICE component or plug in If you are connecting from a Windows computer install the ActiveX component If you are connecting from a Red Hat Enterprise Linux computer install the Mozilla Firefox plug in A console window of the virtual machine displays You can now use the virtual machine in the same way that you would use a physical desktop Result You have started a stopped virtual machine and connected to it Warning By default a virtual machine running Windows 7 will be suspended after an hour of inactivity This prevents users from connecting to the virtual machine from the User Portal To avoid this disable the power saving feature on the guest s power manager 4 2 2 Turning Off a Virtual Machine from the User Portal If you attempt to turn off a virtual machine from the User Portal it might freeze with a status of Powering Down indicating thatit has not completely shut down Use the following procedure to gracefully turn off a virtual machine from within the User Portal Important To minimize the risk of data loss log off from a virtual machine before turning it off Summary This procedure explains how to turn off a virtual machine from the User Portal Procedure 4 2 Turning Off a Virtual Machine from the User Portal 1 Log out of the guest operating syste
120. ual machine poweroff Result The virtual machine is sealed and can be made into a template You can deploy Linux virtual machines from this template without experiencing configuration file conflicts 4 10 3 3 Sealing a Linux Virtual Machine for Deployment asa Template using sys unconfig Summary You must generalize seal a Linux virtual machine before creating a template based on that virtual machine Procedure 4 28 Sealing a Linux Virtual Machine using sys unconfig 1 Log in to the virtual machine 2 Run the following command to remove ssh host keys rm rf etc ssh ssh_host_ 3 Set HOSTNAME localhost localdomain in etc sysconfig network 4 Remove the HWADDR line and UUID line from etc sysconfig network scripts ifcfg eth 66 Chapter 4 The Extended Tab 5 Optionally delete all the logs from var log and build logs from root 6 Run the following command sys unconfig Result The virtual machine shuts down itis now sealed and can be made into a template You can deploy Linux virtual machines from this template without experiencing configuration file conflicts 4 10 3 4 Sealing a Windows Template 4 10 3 4 1 Considerations when Sealing a Windows Template with Sysprep A template created for Windows virtual machines must be generalized sealed before being used to deploy virtual machines This ensures that machine specific settings are not reproduced in the template The Sysprep tool is
121. ual machine do not select the Connect Automatically check box Select the language in which the User Portal is presented by using the drop down menu at the lower right of the login window 3 Click Login The list of virtual machines assigned to you displays Red Hat Enterprise Virtualization 3 5 User Guide RED HAT ENTERPRISE VIRTUALIZATION admin v Guide About Basic Extended RHEL_65 RHEL _65 B Operating System Red Hat Enterprise Linux 6 x x64 Defined Memory 1GB Number of Cores 1 1 Socket s 1 Core s per Socket Drives VM_1_Disk1 15GB Console Client Resources Figure 1 3 User Portal 1 3 Logging out of the User Portal In the title bar of the User Portal click your user name then click Sign out You are logged out and the User Portal login screen displays 1 4 Logging in for the First Time Installing the Engine Certificate 1 4 1 Installing the Red Hat Enterprise Virtualization Manager Certificate in Firefox Summary The first time you access the User Portal you must install the certificate used by the Red Hat Enterprise Virtualization Manager to avoid security warnings Procedure 1 2 Installing the Red Hat Enterprise Virtualization Manager Certificate in Firefox 1 Navigate to the URL for the User Portal in Firefox 2 Click Add Exceptionto opentheAdd Security Exception window 3 Ensurethe Permanently store this exception check box is selected 4
122. ust remain free on the virtual machine This value is measured in pages A value of 0 disables this feature The path and file name of a binary file on the local system that will be run when the watchdog is triggered If the specified file resolves the issues preventing the watchdog from resetting the watchdog counter then the watchdog action is not triggered The path and file name of a binary file on the local system that the watchdog will attempt to run during each interval A test binary allows you to specify a file for running user defined tests The time limit in seconds for which user defined tests can run A value of 0 allows user defined tests to continue for an unlimited duration The path to and name ofa device for checking the temperature of the machine on which the watchdog service is running The maximum allowed temperature for the machine on which the watchdog service is running The machine will be halted if this temperature is reached Unit conversion is not taken into account so you must specify a value that matches the watchdog card being used The email address to which email notifications are sent The interval in seconds between updates to the watchdog device The watchdog device expects an update at least once every minute and if there are no updates over a one minute period then the watchdog is triggered This one minute period is hard coded into the drivers for the watchdog device and c
123. vices support in Red Hat Enterprise Virtualization Summary This procedure explains how to add permissions to users Procedure 4 34 Assigning Permissions to Users 1 2 Click the Virtual Machines tab and select a virtual machine On the details pane select the Permissions tab Click New The Add Permission to User dialog displays Enter a Name or User Name or part thereof in the Search text box and click Go A list of possible matches display in the results list Select the check box of the user to be assigned the permissions Scroll through the Role to Assign list and select UserRole Click OK 79 Red Hat Enterprise Virtualization 3 5 User Guide 5 The user s name and role display in the list of users permitted to access this virtual machine Result You have added permissions to a user Ifa user is assigned permissions to only one virtual machine single sign on SSO can be configured for the virtual machine With single sign on enabled when a user logs in to the User Portal and then connects to a virtual machine through for example a SPICE console users are automatically logged in to the virtual machine and do not need to type in the username and password again Single sign on can be enabled or disabled via the User Portal on a per virtual machine basis See the User Guide for more information on how to enable and disable single sign on for virtual machines 4 12 5 Removing Access to Virtual Ma
124. virtual machines in the User Portal Notes Can log in to the User Portal and use virtual machines and pools Apply this role to a user for the whole environment with the Configure window or for specific data centers or clusters For example ifa PowerUserRole is applied ona data center level the PowerUser can create virtual machines and templates in the data center Having a PowerUserRole is equivalent to having the VmCreator DiskCreator and TemplateCreator roles Can manage virtual machines create and use snapshots and migrate virtual machines A user who creates a virtual machine in the User Portal is automatically assigned the UserVmManager role on the machine Level of privilege to createa virtual machine by means ofa template This role is not applied toa Specific virtual machine apply this role to a user for the whole environment with the Configure window When applying this role to a cluster you must also apply the DiskCreator role on an entire data center or on specific storage domains Chapter 4 The Extended Tab Privileges NetworkUser Logical network and network Ifthe ALlow all users to interface user for virtual use this Network option machines was selected when a logical network is created NetworkUser permissions are assigned to all users for the logical network Users can then attach or detach virtual machine network interfaces to or from the logical network 4 12 4 Assigni
125. work and the Type of network interface for the new virtual machine The Link State is set to Up by default when the NIC is defined on the virtual machine and connected to the network 40 Chapter 4 The Extended Tab The options on the Network and Type fields are populated by the networks available to the cluster and the NICs available to the virtual machine 3 If applicable select the Specify custom MAC address check box and enter the network interface s MAC address 4 Click the arrow next to Advanced Parameters to configure the Port Mirroring and Card Status fields ifnecessary 5 Click OK to close the New Network Interface window and open the New Virtual Machine Guide Me window 6 Click the Configure Virtual Disk button to open the New Virtual Disk window 7 Add either an Internal virtual disk or an External LUN to the virtual machine Add Virtual Disk YF yt Internal External Direct Lun Size GB Activate Alias Wipe After Delete Description Bootable Interface _ Shareable Allocation Policy C Read Only storage Domain OK Cancel Figure 4 7 New Virtual Disk Window 8 Click OK to close the New Virtual Disk window The New Virtual Machine Guide Me window opens with changed context There is no further mandatory configuration 9 Click Configure Later to close the window Result 41 Red Hat Enterprise Virtualization 3 5 User Guide You have added a network interface and a virtual
126. x 5 x Mozilla Firefox 31 Red Hat Enterprise Linux 6 Mozilla Firefox 31 Windows 7 Internet Explorer 9 or later Windows Server 2008 Internet Explorer 9 or later 1 2 Logging into the User Portal Log in to the Red Hat Enterprise Virtualization User Portal directly from your web browser Procedure 1 1 Logging in to the User Portal 1 Enter the provided User Portal URL in the address bar of your web browser The address must be in the format of https server example com UserPortal The login screen displays Alternately enter the provided server address into the web browser to access the welcome screen Click USer Portal to be directed to the User Portal RED HAT ENTERPRISE VIRTUALIZATION Welcome to Red Hat Enterprise Virtualization Manager version 3 5 0 0 32 el6e Portals Downloads Documentation Support U S English v Figure 1 1 The User Portal Login Selection Screen 2 Enter your User Name and Password Use the Profile drop down menu to select the correct domain Chapter 1 Accessing the User Portal RED HAT ENTERPRISE VIRTUALIZATION U S English gt User Name Password Profile internal amp Connect Automatically Figure 1 2 The User Portal Login Screen If you have only one running virtual machine in use select the Connect Automatically check box and connect directly to your virtual machine If you have more than one running virtual machine or do not want to automatically connect to a virt
127. ysical Memory Guaranteed 1024 MB Run On Any Host in Cluster Template Blank Number of CPU Cores 1 1 Socket s 1 Cc Custom Properties Not Configured Operating System Red Hat Enterprise Guest CPU Count N A Cluster Compatibility Version 3 5 Default Display Type SPICE Highly Available No VM Id dfc788bf d51f 48e Priority Low Number of Monitors 1 USB Policy Disabled Figure 4 1 The Extended Tab Table 4 1 The Extended Tab Number Element Name Description 1 Title Bar Includes the name of the User logged in to the portal and links to the Guide and About pages 2 User Portal View Option Tabs Power Users have access to the Extended tab of the User Portal and the Basic tab of the User Portal The Basic view is the default view for users with basic permissions 19 Red Hat Enterprise Virtualization 3 5 User Guide Number Element Name Description 3 Navigation Pane The Navigation Pane allows you to toggle between the Virtual Machines Templates and Resources tabs 4 Management Bar The management bar is used to create and make changes to virtual machines 5 Virtual Machine List The list of virtual machines with the operating systems installed on them and their statuses running paused or stopped 6 Virtual Machine Control Virtual Machine Control Buttons Buttons allow you to play stop pause or power off virtual machines The green play button starts the virtual machine It is available when

Red Hat Enterprise Virtualization 3.5 User Guide

Contents

Download Pdf Manuals

Related Search

Related Contents