SnapTrends™ User`s Guide
Contents
1. Review button will mount the selected Snapshot in the Host for review purposes Description l Click on Review Button to mount the snapshot in the host machine SnapTrends will prompt the user for deleting Writable snapshots if any Snap Name T2111 T Creation Time Wednesday 12 December 2012 12 29 06 Previous lt gt Nex Vs00Bj8981n 0000Y3SchdL 1WT2111 12 12 2012 12 29 06 Unmounted CED cance 23 SnapTrends User s Guide Click Delete All to mount the snapshot Click Cancel to abort the mounting process button to mount the snapshot 5 Once mounted the following message will be shown Show Details The operation completed successfully Clicking Show details will provide you the details about the process as follows The operation completed successfully Session Id is Odds 7bea80c 00c400001370000001d Connection Id is O HHAH87beaBoc Ox1e61 Note Make the disk Online from Disk Management in order to view the content Note Not able see Mounted SnapShot Even though the SnapShot is mounted It may not be displayed in My Computer Window To view the snapshot mounted you have go to Computer Management gt Disk Management 24 SnapTrends User s Guide Mounted Snapshot will be shown as Offline Disk as follows To Make it online Right Click on the Disk In the context menu Select Online Disk 5 Basic 20 00 GB LO Offline Online He2. American Megatrends SnapTrends User s Guide MAN SNAP UG 12 21 2012 Copyright 1998 2012 American Megatrends Inc All rights reserved American Megatrends Inc 5555 Oakbrook Parkway Building 200 Norcross GA 30093 This publication contains proprietary information that is protected by copyright No part of this publication can be reproduced transcribed stored in a retrieval system translated into any language or computer language or transmitted in any form whatsoever without the prior written consent of the publisher American Megatrends Inc All trademarks and trade names used in this document refer to either the entities claiming the marks and names or their products American Megatrends Inc disclaims any proprietary interest in trademarks and trade names other than its own Revision History 12 21 2012 Initial release SnapTrends User s Guide Table of Contents Shap rrends User S Guide 2s ii iia 1 REVISION FUSION 1 Tal 0 GONE iia 2 Thank Y OU tilo li 3 ISC IM os 3 O a a a ae eracsciys 4 FPURDOSe ORNIS DOCUMENT Jeorge a E sei esnsamoldtsaacanatsnandantamtesteanteand 4 Definitions Acronyms and Abbreviations oconcccccconcncoconcnononnnncononnnnononcnnnnonnnnonnanononannnnononnnnnnnos 4 Chapter 1 INTOdUCION aiii 5 Chapter 2 InstallatoSelUpaurarian nana 6 equis menta ube sieveuaaeh clued 6 Hardware Requirements sisi 6 Installation lO usina ca oia 7 URIAStal lado a riadas 11
3. for StorTrends ITX SAN volumes It choses either VSS Mode or Non VSS mode based on the configuration set by the user In VSS Mode 1TXSafe will transfer the control to the Microsoft Volume shadow copy service to take snapshots of the SAN Volumes In Non VSS Mode TXSafe itself will take snapshots of the SAN Volumes based on the configuration User has to manually stop the custom writers using pre script and post script Only batch files are accepted as script files in this version SnapTrends User s Guide TX VSS Hardware Provider ITX Volume Shadow Copy Service VSS Hardware Provider service on host computer Initiator works with the local VSS service to provide application consistent snapshots of AMI iSCSI disks on the computer that runs SnapTrends ISCSI initiator The iSCSI initiator is sometimes referred to as the client AMI StorTrends provides the storage to the iSCSI initiator which acts as a disk controller for the disks that are hosted by the target All versions of Windows Server 2008 including Windows Storage Server 2008 include the Microsoft 1SCSI Initiator to enable them to connect as a client to an iSCSI target Other Windows version also supports Microsoft iSCSI Initiator which is available for download at following location http www microsoft com en us download details aspx id 18986 SnapTrends Configurator SnapTrends UI provides simple to use configuration for the administrator to perform various
4. 0 com ami it lt 00259031 74703be8 1j01 L New Volume Size 11 99 Q Logout Snaps Above picture gives information about what are all the volumes connected to this Host Machine from logged in StorTrends server Clicking on particular volume on the above grid will give you the detailed information on SnapShot Schedule for the selected volume as follows Snapshot Schedule For Enter maximum copies and frequency of the schedule Maximum Copies Frequency Every minute Add Schedule E i 5 5 minute Fl 2 2 6 minute Snapshot Schedule Type Windows Based Snapshot Local Snapshot Configure Backup VS5 Target ara oe a ign 1991 10 com amisite0025903174703be8 backup Field Item Description about the snapshot schedule By default 1t would be scheduled snapshot Maximum Copies In Maximum Copies field enter the number of snapshots you want to maintain for the particular schedule You can have a maximum of eight schedules levels assigned Frequency You can set the rate of recurrence for when a Snapshot is generated Type a numeric value for the rate of recurrence in the Frequency field and select a time unit from the dropdown menu Level The Level field denotes the schedule level and StorTrends TX supports a maximum of 8 levels Level number can be correlated with the snapshot name example Vs412885f2e4a60100SchdL1T101 wherein L1 denotes a Level 1 snapshot and so on SnapShot Schedule This should be windows B
5. A A ee ere ee eee 11 Chapter 3 SIVA TCI S nr A 12 Snaps NOl ene tte a nr a ee ea T 12 Volume Shadow Copy Service VSS cccccccccecccessseceeeeeeeseeeseeeeeeeesseeeeeeeeeeseeeeaseeeeeeeeessaaagaees 12 Microsoft Volume Shadow Copy Service Components c oocccccncccccccconcnnnccncncnonncnnnnnnnononanonnnnnnos 12 Hardware Dased PrOVIdOrS creciente eiii lala oitcito lla llei 13 Snap Trends GOMPOnEN S ascii sia la old ld 13 Architecture of Host Attachment Kit that takes Snapshots ooooncccccccconccnnccononnnnnononnnnnnnonnns 14 MS CHCCUIE SCT VICE mistica denied 14 AS DON SO in ico ida 14 EX VSS Hardware PROMISE 15 OOS UVM piantao ass 15 Snap rends COMMU sio aaa 15 C stomized VS ADO WS and 15 Chapter 4 Usage INSTUCION Sian nidad aa 16 Starting and Configuring SnapTrendS occcccccccncncnncccconnnnnnoconononnnonononnnnononnnnnnnononnnnnnnonnnnnnnnnnnons 16 Remove A A ey aaa eos 20 Chapter 5 Snap Trends Set Uno ic aa era aa eis teedie bende KEO a esas 21 Recommended Settings for iSCSI Initiator tiMeouts ooccccccccccocnnccnnnnccnonononcnnnnnonnnnanonnnns 22 2114 1 18 Sr O78 011 010 216 aa 22 Chapter 6 REVIEW SnapShots arnie dodo 23 Chapter 7 UN MOUNT SHADS NO pia E 26 2 SnapTrends User s Guide Thank You Thank you for purchasing the SnapTrends Please take a few minutes to review this User s Guide before beginning the installation process If you require a further explanation of any item covered in thi
6. alues may occur multiple times in the registry please set all of them to be the same Set MaxRequestHoldTime and LinkDownTime to 180 seconds B4 as hex Set SrbTimeoutDelta to the default 15 seconds F as hex Note SrbTimeoutDelta can be as low as 5 seconds If it is lower than that initiator will use 15 instead SrbTimeoutDelta gets added to the timeout set by the class driver Settings Continued You can choose either VSS or NON VSS mode for taking snapshots In VSS Mode 1TXSafe will transfer the control to the Microsoft Volume shadow copy service to take snapshots of the SAN Volumes In Non VSS Mode 1TXSafe itself will take snapshots of the SAN Volumes based on the configuration You have to manually stop the custom writers using pre script and post script Only batch files are accepted as script files in this version Clicking Apply button will save the settings for you 22 SnapTrends User s Guide Chapter 6 Review Snapshots This page allows you to review the snapshots taken on schedule using view which displays lists of snapshots for the selected volume with their time of creation SNAPSHOT TIMESCAPE Creation Sima Wed ra ad sambar LE EN ia A Creation time Wednesday 12 Decemiber 2017 12 24 05 Snap Name T2111 Creation Time Wednesday 12 December 2012 12 29 06 _s Powered by AMI You can click Previous and Next button to navigate and review snapshots
7. ased Snapshot since we are trying to use SnapTrends Type 18 SnapTrends User s Guide Note Please refer to ManageTrends help for more information Users can create snapshot schedule from this page itself by providing above fields and press Add Schedule Button Please scroll down the page further to set CHAP Authentication CHAP Authentication Target User Name optional Lp Target Secret optional fo Minimum 12 characters Note This user name and fields will be used for authentication purposes Please refer ManageTrends Help for more information Click on the Apply button at the end of the page to save the schedule to the server ay This above procedure helps to configure the snapshots for the specified SAN Volume using SnapTrends 19 SnapTrends User s Guide Remove Schedule Level Maximum Copies Frequency _ i 3 5 minute a 5 5 minute W 3 3 6 minute Y ou can also remove schedule by selecting specified level and Clicking Delete Schedule Button 20 SnapTrends User s Guide Chapter 5 SnapTrends Settings Following page allows you to configure the settings for taking snapshot like snapshot type pass through etc Sir 5 lapTrends dress 10 0 5 140 22 User itxadmin y Allow full SCS Command Set gt Allow SCSI commands to pass through disks Indicates whether SCS commands from the guest operating system are passed to passthrough disks l
8. configurations Set View Modify delete the snapshot schedule for the connected AMI ISCSI disks Set Mode of snapshots i e Either VSS mode or Non VSS mode Review all the snapshots taken and mount for restore purposes Customized VSHADOW VShadow is a command line tool that you can use to create and manage volume shadow copies The VShadow tool uses command line options and optional flags to identify the work to perform When used without any command line options the VShadow command creates a new shadow copy set VShadow which comes integrated with SnapTrends has been customized to take level parameter to support multiple levels of Snapshots on the same volume Note Windows Server 2003 Standard Edition and Windows Server 2003 Web Edition Transportable shadow copies are not supported All editions of Windows Server 2003 with Service Pack 1 SP1 support transportable shadow copies 15 SnapTrends User s Guide Chapter 4 Usage Instructions Starting and Configuring SnapTrends Double Click on SnapTrends Icon on the Desktop to start the SnapTrends Software SnapTrends will be open in few seconds as below E O IpTrends User name 2 ixadmin Password ba BtorTrends uses Advanced Snapshot Technology which allows rapid creation and deletion of snapshots for faster and more secure back ups This software allows users to mount review and instantaneously roll back to a snapshot with near zero
9. d click I Agree Software License Agreement Grant of License American Megatrends Inc CAMI grants you the original licensee the limited right to use one 1 copy of the enclosed AMI software program s in object code form only the SOFTWARE on a single terminal connected to a single eee eee ee OTe ATT We MA E AA A O Do Not Agree Agree SnapTrends User s Guide T Click next and then following screen will be shown You can select the Folder in which SnapTrends to be installed The installer vill install SnapT rende 2 7 to the following folder To install in this folder click Nest To install to a different folder enter it below or click Browse Folder C Program Files Amencan Megatrends Inc SnapT rends 2 7 Install Snap Trends 2 7 for yourself or for anyone who uses this computer a Everyone Just me SnapTrends SnapT rends 2 7 is being Installed Please wait SnapTrends User s Guide Once SnapTrends successfully installed the following screen will be shown H SnapTrends 2 7 SnapTrends SnapTrende 2 7 has been successtully installed Chick Close to exit Please use Windows Update to check for any critical updates to the WET Framework Cancel Back Now you have SnapTrends shortcut available with your Desktop for further 10 SnapTrends User s Guide Uninstallation Go to Add Remove Programs typically under Se
10. dow Copy Service VSS is a set of COM interfaces that implements a framework to allow volume backups to be performed while applications on a system continue to write to the volumes Microsoft Volume Shadow Copy Service Components Writers System Provider Hardware Provider Volumes L 12 SnapTrends User s Guide VSS provides the ability to create snapshots or point in time PIT copies of volumes These snapshots are images of the data as it looks at a particular instance in time By maintaining these timely images of data users and administrators can quickly recover individual files or whole volumes directly from disk as they appeared at the time the snapshot was taken similar to restore from tape but much faster To create an application consistent snapshot the snapshot must be created from the iSCSI initiator computer by using the TX Volume Shadow Copy Service Hardware Provider and third party backup software that works with Volume Shadow Copy Service Hardware based Providers Hardware based shadow copy providers act as an interface between the Volume Shadow Copy Service and the hardware level by working in conjunction with a hardware storage adapter or controller The work of creating the shadow copy is performed by a host adapter storage appliance or RAID controller outside of the operating system Hardware providers always take the shadow copy of an entire LUN but the Volume Shadow Copy Service w
11. ement may not apply to you Also you may have other rights that vary from jurisdiction to jurisdiction This publication could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication American Megatrends may make improvements and or revisions in the product s and or the program s described in this publication at any time Requests for technical information about American Megatrends products should be made to your American Megatrends authorized reseller or marketing representative SnapTrends User s Guide Preface Purpose of This Document This user manual aims to guide the end users with some of the usage and processes of the SnapTrends software Definitions Acronyms and Abbreviations Abbreviation Volume Shadow Copy Service ISCSI Internet Small Computer System Interface Storage Area Network SnapTrends User s Guide Chapter 1 Introduction SnapTrends 1s Microsoft Windows host software that provides application integrated snapshot management for AMI StorTrends servers It provides ability to create application consistent snapshots for windows applications For Microsoft Shadow Copy Service VSS aware applications it provides a tight integration to VSS to create application consistent snapshots It further provides an ability to schedule and review these snapshots This software also p
12. essor or higher e 512 MB RAM or higher SnapTrends User s Guide Installation Steps Burn the SnapTrends ISO into the CD Choose the corresponding Setup based on your PC Architecture i e 64 bit or 32 bit represented by 86 Open the SnapTrends Folder Modified Name z Size Type Le SnapTrends_64 File folder 2012 09 12 20 42 Je SnapTrends_86 File folder 2012 09 12 20 44 Double Click on Setup exe file to start the installation process It will be prompting to install VC redistributables or upgrade 1f you have already Press Install to continue 2 5napTrends 2 7 Setu p i The following components will be installed on are Visual C 2010 Runtime Libraries 36 Do you wish to install these components f you choose Cancel setup will exit SnapTrends User s Guide 5 If you don t have NET framework 4 0 Installed the setup will prompt to install NET Framework also Then setup will continue to install SnapTrends SnapTrends The installer will guide pon through the steps required to install SnapTrends 2 7 on pour computer WARNING This computer program i protected by copyright law and international treaties Unauthorized duplication or distribution of this program or any portion of it may result in severe civil or criminal penalties and will be prosecuted to the masimum extent possible under the law Cancel Click Next and proceed to License Agreement page Please read the license agreement part an
13. ill only expose the shadow copy of the volume or volumes that were requested While a hardware based shadow copy provider makes use of the Volume Shadow Copy Service functionality that defines the point in time allows data synchronization manages the shadow copy and provides a common interface with backup applications the Volume Shadow Copy Service does not specify the underlying mechanism by which the hardware based provider produces and maintains shadow copies Note For more information please visit http technet microsoft com enus library cc7388 19 v ws 10 SnapTrends Components In host side Windows Initiator TX Scheduler Service ITX Safe Console ITX VSS Hardware provider SnapTrends Configurator 13 SnapTrends User s Guide In TX Core side Description Snapshot Monitoring Application a k a SMA Architecture of Host Attachment Kit that takes Snapshots Writers VSS Volume Shadow iTX Requestor Copy Service Environment VSS Non VSS Environment TX Hardware Provider Volume Volume TX Scheduler Service This service takes care communicating with StorTrends devices and get the schedule for SAN Volumes connected to the host using LUN s Based on the schedule information found in the server it invokes iTX Safe application to take the snapshot for that disk TXSafe Console ITXSAFE is a window command line tool that allows users to create snapshots
14. lp Properties Now the mounted snapshot will be showing under My Computer window as a drive 25 SnapTrends User s Guide Chapter 7 Un Mount Snapshot On Schedule or Review icon in the top of the SnapTrends In the following screen Click Logout Snaps link to view mounted Snapshots Then Click corresponding Remove Target link to un mount the snapshot E Select Storage Pool or Volume from the list below to continue Storage Pool Name Volume Name Drive Name Target Name StoragePoo 1 New Volume Size 19 99 qn 1991 10 com ami ix0025903174703be8 r01 ut Sn L New Volume Size 11 99 9 Logout Snaps i Mounted Snapshots Of Name Status Target Name Vs00Bj898 inE0000Y3SchdL 1WT2111 Mounted In Use 12122012124627 X Remove Target Note It will take some time for unmounted snapshot drive to disappear from My Computer window 26 SnapTrends User s Guide
15. on deployments Delay Between If a connection is dropped while it is in Full Feature phase the driver will attempt to re Reconnect login This parameter sets the delay between each re login attempts SRB Timeout Delta The timeout set by class drivers such as disk sys etc for various requests does not take into account network delays This value is used to increment the timeout set by class drivers 21 SnapTrends User s Guide Recommended Settings for iSCSI Initiator timeouts VMWare For software iSCSI Adapter set the Configuration gt Software iSCSI Adapter gt Properties gt Advanced gt Session recovery timeout to 120 seconds Windows This value should be set for both virtual and physical machines whose underlying drive is a StorTrends iSCSI drive even if passed through a hypervisor The registry key HKEY LOCAL _MACHINE SYSTEM CurrentControlSet Services Disk Time OutValue needs to be set to 190 seconds BE in hex in all Windows versions If it is not present please create the DWORD entry Windows directly These additional registry key changes for both physical and virtual machines connected to the that have Microsoft iSCSI Initiator installed and will be connecting to StorTrends appliance StorTrends targets All other registry settings related to the Microsoft iSCSI via the iSCSI Initiator Initiator should be left to the default settings Please refer the Microsoft iSCSI initiator User Guide for default values These v
16. performance degradation GOLD CERTIFIED SU a CERTIFIED Partner StorTrends Server IP Address 172 168 10 16 User name a ixadmin 16 SnapTrends User s Guide Field Item StorTrends Server IP IP address of the StorTrends server from which your volume is mounted This field lists Address all the Servers connected to this machine Registered user name who is authenticated to access the AMI StorTrends server Password for the corresponding user Note To Manage different StorTrends server you have to log in using that AMI StorTrends Server IP Address Click on Log In button to continue with SnapTrends It will take few seconds to connect to server and authenticate Once your profile is authenticated successfully the following screen will be shown pre apTrends 10 0 5 140 22 User itxadmin j Snapshot Schedule For yearly Description scheduled snapshot Enter maximum copies and frequency of the schedule Maximum Copies Frequency Every 5 minute y Add Schedule m1 11 5 minute E 2 11 5 year Delete Schedule a Sync schedule to remote Snapshot Schedule Type 9 Windows Based Snapshot Local Snapshot Configure Backup VSS Target 17 SnapTrends User s Guide Select Storage Pool or Volume from the list below to continue Storage Pool Name Volume Name Drive Name Target Name StoragePool1 New Volume Size 19 99 iqn 1 991 1
17. rovide mechanisms to configure AMI StorTrends Server related settings for windows to make sure the system communicates with storage servers in optimized way SnapTrends User s Guide Chapter 2 Installation Setup Requirements This section provides information about the SnapTrends system requirements Note Before installing SnapTrends for TX 2 7 please make sure previous version of HAK is uninstalled The computer on which you intend to install SnapTrends should have the following configurations e Microsoft Windows OS Windows XP Windows Vista Windows 7 Windows 8 Windows 2003 Server or R2 Windows 2008 Server or R2 Windows Server 2012 e Microsoft NET Framework 4 0 Client Profile e Microsoft VC Redistributable 2010 e Microsoft 1SCSI initiator 2 0 or later Note Please make sure that your system is updated properly using Windows Update If the system does not have Microsoft NET Framework or VC redistributables installed SnapTrends will automatically install those during the installation Hardware Requirements These specifications represent a bare minimum to use SnapTrends e StorTrends ITX 2 7 on StorTrends 13001 22001 32001 24001 240 11 e Microsoft Windows Initiator Windows 2008 Enterprise Edition or R2 Windows 2003 Enterprise Edition Windows Server 2012 Windows 2003 R2 Standard Edition Windows Vista Windows 7 Windows 8 Windows XP with the latest service packs e GHZ Proc
18. s guide please refer to the installation instructions on your CD This manual is written for the end user to get up and running with the unit as quickly as possible Installation and maintenance should be performed by experienced technicians only Disclaimer This document describes the operation of the American Megatrends SnapTrends Although efforts have been made to assure the accuracy of the information contained here American Megatrends expressly disclaims liability for any error in this information and for damages whether direct indirect special exemplary consequential or otherwise that may result from such error including but not limited to the loss of profits resulting from the use or misuse of the manual or information contained therein even if American Megatrends has been advised of the possibility of such damages Any questions or comments regarding this document or its contents should be addressed to American Megatrends at the address shown on the inside of the front cover American Megatrends provides this publication as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability or fitness for a specific purpose Some states do not allow disclaimer of express or implied warranties or the limitation or exclusion of liability for indirect special exemplary incidental or consequential damages in certain transactions therefore this stat
19. t is recommended that SCSI fiterng remains enabled for production deployments This is not supported before Windows Server 2008 R2 Set Microsoft iSCSI Initiator Driver Timers DelayBetweenReconnect 5 Seconds SRBTimeoutDelta 120 Seconds f a connection is dropped while it is in FullFeature phase the driver The timeout set by class drivers for various requests does not take will attempt to relogin This parameter sets the delay between each into account network delays This value is used to increment the redogin attempts The recommended value should be 15 seconds timeout set by class drivers The recommended value is 120 seconds select snapshot mode from the options below a VSS Mode This tool utilizes the Microsoft Volume Shadow Copy Service V55 to freeze the lOs and let the Stor Trends server take snapshots This option should be selected if the V55 aware agents exists for applications such as Microsoft SQL Server Micrsoft Exchange etc Non V35 Mode This option should be selected f the V55 aware agents are not present for certain applications The user may also select script based approach to freezeun freeze the lOs using Pre and Post scripts while snapshot is being taken Load Pre Script File Path Load PostScript File Path Field Item Allow Full SCSI Indicates whether SCSI commands from the guest operating system are passed to pass Command Set through disks It is recommended that SCSI filtering remains enabled for producti
20. ttings gt Control Panel Scroll down in the list of currently installed programs and select SnapTrends 2 7 3 Click the Remove button on the right Click Yes on the message box asking if you are sure you want to remove SnapTrends from your computer Removal may take few minutes based on the system speed Configuration SnapTrends doesn t need any major configuration or settings Before using SnapTrends user must mount the StorTrends SAN Volume using ISCSI Initiator and format it 11 SnapTrends User s Guide Chapter 3 SnapTrends This section provides overall architecture and components of SnapTrends Snapshots A snapshot is a point in time read only copy of an AMI iSCSI disk SAN Volume connected to HOST Snapshots are useful for backups and for data mining Snapshots offer the following advantages e Snapshots can be scheduled to be created automatically e Snapshots are space efficient because they are differential copies e Snapshots are useful for fast system recovery of files and volumes in case of accidental data deletion by a user overwritten data or data corruption resulting from a malicious program e Snapshots can be mounted locally or exported to facilitate backup and recovery operations e Snapshots do not require that you close files or stop programs when you create them so application servers can continue servicing clients without disruption Volume Shadow Copy Service VSS The Volume Sha
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