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Sun Microsystems 440 Server User Manual

1. hardwire dv dev ttyb br 9600 el C S O U D 1e 0e D Chapter 1 Configuring the System Console 25 Note If you intend to use the Sun system s serial port A rather than serial port B edit this entry by replacing dev ttyb with dev ttya The etc remote file is now properly configured Continue establishing a TIP connection to the Netra 440 server system console See Accessing the System Console Through a TIP Connection on page 22 If you have redirected the system console to ttyb and want to change the system console settings back to use the serial management and network management ports see System Console OpenBoot Configuration Variable Settings on page 31 Accessing the System Console Through an Alphanumeric Terminal This procedure assumes that you are accessing the Netra 440 server system console by connecting the serial port of an alphanumeric terminal to the serial management port SERIAL MGT of the Netra 440 server v To Access the System Console Through an Alphanumeric Terminal 1 Attach one end of the serial cable to the alphanumeric terminal s serial port Use a null modem serial cable or an RJ 45 serial cable and null modem adapter Connect this cable to the terminal s serial port connector 2 Attach the opposite end of the serial cable to the serial management port on the Netra 440 server 3 Connect the alphanumeric terminal s power cord to an AC outlet 4 Set the
2. 3 4 5 6 7 ILs llo 12 13 14 15 ye a e ae ae 3 Patch ee _ RE Terminal server CERANO Netra 440 server FIGURE 1 5 Patch Panel Connection Between a Terminal Server and a Netra 440 Server If the pinouts for the serial management port do not correspond with the pinouts for you need to make a crossover cable that takes each pin on the Netra 440 server serial management port to the corresponding pin in 45 ports on the terminal server the terminal server s serial port the RJ TABLE 1 3 shows the crossovers that the cable must perform Pin Crossovers for Connecting to a Typical Terminal Server TABLE 1 3 Terminal Server Serial Port Pin Netra 440 Serial Port RJ 45 Connector Pin Pin 1 CTS Pin 1 RTS Pin 2 DSR Pin 2 DTR Pin 3 RXD Pin 3 TXD Pin 4 Signal Ground Pin 4 Signal Ground Pin 5 Signal Ground Pin 5 Signal Ground Pin 6 TXD Pin 6 RXD Pin 7 DTR Pin 7 DSR DCD Pin 8 RTS Pin 8 CTS Netra 440 Server System Administration Guide August 2004 20 2 Open a terminal session on the connecting device and type telnet I P address of terminal server port number For example for a Netra 440 server connected to port 10000 on a terminal server whose IP address is 192 20 30 10 you would type 5 telnet 192 20 30 10 10000 3 If you want to use TTYB instead of the serial management port do the fo
3. The scadm utility sends its output to stdout You can also use 8086 in scripts to manage and configure ALOM from the host system For more information about the scadm utility refer to the following scadm man page m Advanced Lights Out Manager User s Guide 817 5481 xx v To View Environmental Information 1 Log in to the ALOM system controller 2 Use the showenvironment command to display a snapshot of the server s environmental status sc gt showenvironment System Temperatures Temperatures in Celsius POLT CORE P0 T_CORE POLT CORE P0 T_CORE T_AMB T_AMB T_AMB T_AMB T_AMB OOO OOOO O 36 Netra 440 Server System Administration Guide August 2004 The information this command can display includes temperature power supply status front panel LED status system control keyswitch position and so on The display uses a format similar to that of the UNIX command prtdiag 1m Note Some environmental information might not be available when the server is in standby mode Note You do not need ALOM system controller user permissions to use this command The showenvironment command has one option v If you use this option ALOM returns more detailed information about the host server s status including warning and shutdown thresholds Controlling the Locator LED You can control the Locator LED either from the Solaris command prompt or from the sc gt prompt To turn on the Lo
4. autres pays Toutes les marques SPARC sont utilis es sous licence et sont des marques de fabrique ou des marques d pos es de SPARC International Inc aux Etats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc L interface d utilisation graphique OPEN LOOK et Sun a t d velopp e par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconnait les efforts de de Xerox pour la recherche et le d veloppement du concept des interfaces d utilisation visuelle ou graphique pour l industrie de l informatique Sun d tient une license non exclusive de Xerox sur l interface d utilisation graphique Xerox cette licence couvrant galement les licenci es de Sun qui mettent en place l interface d utilisation graphique OPEN LOOK et qui en outre se conforment aux licences crites de Sun LA DOCUMENTATION EST FOURNIE EN L TAT ET TOUTES AUTRES CONDITIONS DECLARATIONS ET GARANTIES EXPRESSES OU TACITES SONT FORMELLEMENT EXCLUES DANS LA MESURE AUTORISEE PAR LA LOI APPLICABLE Y COMPRIS NOTAMMENT TOUTE GARANTIE IMPLICITE RELATIVE A LA QUALITE MARCHANDE L APTITUDE A UNE UTILISATION PARTICULIERE OU A L ABSENCE DE CONTREFA ON Ka Adobe PostScript Contents Contents i Figures v Tables vii Preface ix Configuring the System Console 1 Communicating With the System 1 What the System Console Does 3 Using the System Console 3 Abo
5. return 1 static int parse_alarm const char alarm AppendixB Alarm Relay Output Application Programming Interface 3 CODE EXAMPLE 81 Example Program for get set Status of the Alarms Continued include lt sys types h gt int altype if alarm 70167 S370 altype ALARM CRITICAL else Lf Sstrcmp ta larm major 0 altype ALARM MAJOR else if strcmp alarm minor 0 altype ALARM MINOR else if strcmp alarm user 0 altype ALARM USER else printf invalid alarm value s n alarm altype ALARM INVALID return altype static int lom_ioctl int ioc char buf int fd ret fd open LOM DEVICE O_RDWR ai Po ssn ay printf Error opening device s n LOM DEVICE exit 1 ret ioctl fd ioc void but close fd return ret static char get_alarmval int state if state ALARM_OFF 74 Netra 440 Server System Administration Guide August 2004 CODE EXAMPLE B 1 Example Program for get set Status of the Alarms Continued include lt sys types h gt return off else if state ALARM ON return on else return NULL static void get_alarmvals get_alarm crit get_alarm major get_alarm minor get alarm user Appendix B Alarm Relay Output Application Programming Interface 5 76 Netra 440 Server System Administration Guide August 2004 Index SYMBOLS etc
6. cfgadm 63 cfgadm install_device cautions against using 64 cfgadm remove_device cautions against using 64 fsck 12 init 11 14 raidctl 57 to 62 scadm 35 setlocator 37 38 showlocator 38 shutdown 11 14 sync 12 CID 22 23 80 Netra 440 Server System Administration Guide August 2004 uadmin 1 uname 25 uname r 25 Solaris Volume Manager 52 53 Solstice DiskSuite 54 Stop non USB keyboard command 39 Stop A non USB keyboard sequence See L1 A keyboard sequence Stop A USB keyboard functionality 40 Stop D non USB keyboard command 39 Stop D USB keyboard functionality 41 Stop F non USB keyboard command 39 Stop F USB keyboard functionality 41 Stop N non USB keyboard command 39 Stop N USB keyboard functionality 40 striping of disks 55 Sun StorEdge 3310 53 Sun StorEdge A5x00 53 Sun StorEdge T3 53 Sun StorEdge Traffic Manager software TMS 52 53 suspending the operating environment software 12 sync Solaris command 12 system console accessing via alphanumeric terminal 26 accessing via graphics monitor 29 accessing via terminal server 2 19 accessing via tip connection 22 alphanumeric terminal connection 2 26 alternate configurations 6 configuring local graphics monitor to access 29 connection using graphics monitor 7 default configuration explained 2 4 default connections 4 defined 1 Ethernet attachment through network management port 2 graphics monitor connec
7. e Accessing the System Console Through a Terminal Server on page 19 e Verifying Serial Port Settings TTYB on page 28 e System Console OpenBoot Configuration Variable Settings V on page 31 An alphanumeric terminal or similar device attached to the serial management port SERIAL MGT or ttyb See the following e Accessing the System Controller on page 16 e Accessing the System Console Through an Alphanumeric Terminal page 6 e Verifying Serial Port Settings on TTYB on page 8 e System Console OpenBoot Configuration Variable Settings V on page 31 A TIP line attached to the serial management port SERIAL MGT or ttyb See the following e Accessing the System Controller on page 16 e Accessing the System Console Through a TIP Connection on page 22 e Modifying the etc remote File on page 25 e Verifying Serial Port Settings on TTYB on page 28 e System Console OpenBoot Configuration Variable Settings V on page 1 An Ethernet line connected to the network management port NET MGT See the following e Activating the Network Management Port on page 17 2 Netra 440 Server System Administration Guide August 2004 TABLE 1 1 Ways of Communicating With the System Continued During After Devices Available for Accessing the System Console Installation Installation A local graphics monitor frame buffer card graphics
8. some of them affect which diagnostic tests the system runs and which messages the system displays at its console For details refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx b To cause the changes to take effect power off the system Type ok power off The system permanently stores the parameter changes and powers off Note You can also power off the system using the front panel Power button c Connect the null modem serial cable to the ttyb port on the Netra 440 server If required use the DB 9 or DB 25 cable adapter supplied with the server d Power on the system Refer to the Netra 440 Server Installation Guide for power on procedures Continue with your installation or diagnostic test session as appropriate When you are finished using the TIP window end your TIP session by typing the tilde symbol followed by a period and exit the window For more information about TIP commands see the TIP man page For more information about connecting to and using the ALOM system controller see the Advanced Lights Out Manager User s Guide 817 5481 xx If you have redirected the system console to ttyb and want to change the system console settings back to use the serial management and network management ports see System Console OpenBoot Configuration Variable Settings on page 31 24 Netra 440 Server System Administration Guide August 2004 Modifying the etc remote File This p
9. 1992 contain an etc remote file with the appropriate hardwire entry However if the Sun system is running an older version of Solaris OS software or if the etc remote file has been modified you might need to edit it See Modifying the etc remote File on page 25 for details Ina shell tool window on the Sun system type tip hardwire The Sun system responds by displaying connected The shell tool is now a TIP window directed to the Netra 440 server through the Sun system s serial port This connection is established and maintained even when the Netra 440 server is completely powered off or just starting up Note Use a shell tool or a CDE terminal such as dtterm not a command tool Some TIP commands might not work properly in a command tool window If you want to use TTYB on the Netra 440 server instead of the serial management port do the following a Redirect the system console by changing the OpenBoot configuration variables At the ok prompt on the Netra 440 server type the following commands ok setenv input device ttyb ok setenv output device ttyb Chapter 1 Configuring the System Console 3 Note You can only access the sc gt prompt and view POST messages from either the serial management port or the network management port Note There are many other OpenBoot configuration variables Although these variables do not affect which hardware device is used to access the system console
10. System Console Through an Alphanumeric Terminal on page 26 Verifying Serial Port Settings on TTYB on page 28 Accessing the System Console Through a Local Graphics Monitor on page 29 Other information in this chapter includes Communicating With the System on page 1 About the sc gt Prompt on page 8 OpenBoot ok Prompt on page 9 Switching Between the ALOM System Controller and the System Console on page 15 System Console OpenBoot Configuration Variable Settings on page 31 Communicating With the System To install your system software or to diagnose problems you need some way to interact at a low level with the system The system console is Sun s facility for doing this You use the system console to view messages and issue commands There can be only one system console per computer The serial management port SERIAL MGT is the default port for accessing the system console upon initial system installation After installation you can configure the system console to accept input from and send output to different devices TABLE 1 1 lists these devices and where they are discussed in the document TABLE 1 1 Ways of Communicating With the System During After Devices Available for Accessing the System Console Installation Installation A terminal server attached to the serial management port SERIAL MGT or ttyb See the following e Accessing the System Controller on page 16
11. amp Sun microsystems Netra 440 Server System Administration Guide Sun Microsystems Inc www sun com Part No 817 3884 1 1 August 2004 Revision A Submit comments about this document at http www sun com hwdocs feedback Copyright 2004 Sun Microsystems Inc 4150 Network Circle Santa Clara California 95054 U S A All rights reserved Sun Microsystems Inc has intellectual property rights relating to technology that is described in this document In particular and without limitation these intellectual property rights may include one or more of the U S patents listed at http www sun com patents and one or more additional patents or pending patent applications in the U S and in other countries This document and the product to which it pertains are distributed under licenses restricting their use copying distribution and decompilation No part of the product or of this document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Third party software including font technology is copyrighted and licensed from Sun suppliers Parts of the product may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark in the U S and in other countries exclusively licensed through X Open Company Ltd Sun Sun Microsystems the Sun logo AnswerBook2 docs sun com VIS Sun StorEdge Solstice DiskSuite Java Sun VT
12. are familiar with the earlier non USB keyboard functionality this section describes the analogous OpenBoot emergency procedures available in newer systems that use USB keyboards OpenBoot Emergency Procedures for Systems With Non USB Keyboards TABLE 2 1 summarizes the Stop key command functions for systems that use standard non USB keyboards TABLE 2 1 Stop Key Command Functions for Systems With Standard Non USB Keyboards Standard Non USB Keyboard Command Description Stop Bypass POST This command does not depend on security mode Stop A Abort Stop D Enter the diagnostic mode set diag switch to true Stop F Enter Forth on ttya instead of probing Use fexit to continue with the initialization sequence Useful when there is a hardware problem Stop N Reset OpenBoot configuration variables to their default values Chapter 2 Managing RAS Features and System Firmware 39 OpenBoot Emergency Procedures for Systems With USB Keyboards The following sections describe how to perform the functions of the Stop commands on systems that use USB keyboards such as the Netra 440 server These same functions are available through Sun Advanced Lights Out Manager ALOM system controller software Stop A Functionality Stop A Abort key sequence works the same as it does on systems with standard keyboards except that it does not work during the first few seconds after the server is reset In addition you can issue the ALOM
13. baud 8 bits No parity 1 stop bit No handshake protocol For more information about serial port settings see the eeprom man page For more information about the ttyb mode OpenBoot configuration variable see Appendix A 28 Netra 440 Server System Administration Guide August 2004 Accessing the System Console Through a Local Graphics Monitor After initial system installation you can install a local graphics monitor and configure it to access the system console You cannot use a local graphics monitor to perform initial system installation nor can you use a local graphics monitor to view power on self test POST messages To install a local graphics monitor you must have A supported PCI based graphics frame buffer card and software driver A monitor with appropriate resolution to support the frame buffer A Sun compatible USB keyboard Sun USB Type 6 keyboard A Sun compatible USB mouse Sun USB mouse and mouse pad To Access the System Console Through a Local Graphics Monitor Install the graphics card into an appropriate PCI slot Installation must be performed by a qualified service provider For further information refer to the Netra 440 Server Service Manual or contact your qualified service provider Attach the monitor s video cable to the graphics card s video port Tighten the thumbscrews to secure the connection Connect the monitor s power cord to an AC outlet Connect the USB keyboard cable
14. configuration card SCC called auto boot which controls whether the firmware will automatically boot the operating system after each reset The default setting for Sun platforms is true Normally if a system fails power on diagnostics auto boot is ignored and the system does not boot unless an operator boots the system manually A manual boot is obviously not acceptable for booting a system in a degraded state Therefore the Netra 440 server OpenBoot firmware provides a second setting auto boot on error This setting controls whether the system will attempt a degraded boot when a subsystem failure is detected Both the auto boot and auto boot on error switches must be set to true to enable an automatic degraded boot To set the switches type ok setenv auto boot true ok setenv auto boot on error true Note The default setting for auto boot on error is false Therefore the system will not attempt a degraded boot unless you change this setting to true In addition the system will not attempt a degraded boot in response to any fatal nonrecoverable error even if degraded booting is enabled For examples of fatal nonrecoverable errors see Error Handling Summary on page 43 42 Netra 440 Server System Administration Guide August 2004 Error Handling Summary Error handling during the power on sequence falls into one of the following three cases If no errors are detected by POST or OpenBoot Diagnostics the sys
15. exit 1 get_alarm argv 2 else LE stromo carey 1 2 1 if argo 1 4 usage exit 1 set_alarm argv 2 argv 3 else usage exit 1 static void usage printf usage alarm get set crit major minor user on off n static void get_alarm const char alarm ts_aldata_t ald int altype parse_alarm alarm char val 1 ald alarm no altype ald alarm state ALARM OFF lom_ioctl LOMIOCALSTATE char amp ald 72 Netra 440 Server System Administration Guide August 2004 CODE EXAMPLE 8 1 Example Program for get set Status of the Alarms Continued include lt sys types h gt if ald alarm_state ALARM OFF amp amp ald alarm state ALARM ON printf Invalid value returned d n ald alarm state exit printf ALARM s s n alarm get_alarmval ald alarm_state static int set_alarm const char alarm const char alarmstate ts_aldata_t ald int alarmval ALARM OFF altype parse_alarm alarm RE if strcmp alarmstate on 0 alarmval ALARM ON else if strcmp alarmstate off 0 alarmval ALARM_OFF else usage exit 1 ald alarm_no altype ald alarm_state alarmval if lom_ioctl LOMIOCALCTL char amp ald 0 printf Setting ALARM s to s failed n alarm alarmstate return 1 else printf Setting ALARM s successfully set to s n alarm alarmstate
16. network management ports allow you to switch between viewing system console and system controller output on the same device by typing a simple escape sequence or command The escape sequence and command do not work if the system console is redirected to ttyb or to a graphics card s port m The system controller keeps a log of console messages but some messages are not logged if the system console is redirected to ttyb or to a graphic card s port The omitted information could be important if you need to contact Sun customer service with a problem For all the preceding reasons the best practice is to leave the system console in its default configuration You change the system console configuration by setting OpenBoot configuration variables See System Console OpenBoot Configuration Variable Settings on page 31 You can also set OpenBoot configuration variables using the ALOM system controller For details refer to the Advanced Lights Out Manager User s Guide 817 5481 xx Accessing the System Console Through a Graphics Monitor The Netra 440 server is shipped without a mouse keyboard monitor or frame buffer for the display of bitmapped graphics To install a graphics monitor on the server you must install a frame buffer card into a PCI slot and attach a monitor mouse and keyboard to the appropriate back panel ports After starting the system you might need to install the correct software driver for the PCI card yo
17. ok reset all The system permanently stores the parameter change Note To store parameter changes you can also power cycle the system using the front panel Power button After you disable the automatic system recovery ASR feature it is not activated again until you enable it at the system ok prompt Chapter 2 Managing RAS Features and System Firmware 5 Obtaining Automatic System Recovery Information Use the following procedure to retrieve information about the status of the automatic system recovery ASR feature At the ok prompt type ok asr In the asr command output any devices marked disabled have been manually unconfigured using the asr disable command The asr command also lists devices that have failed firmware diagnostics and have been automatically unconfigured by the OpenBoot ASR feature For more information see Automatic System Recovery on page 41 Enabling and Disabling Automatic System Recovery on page 44 To Disable Automatic System Recovery on page 45 Unconfiguring and Reconfiguring Devices on page 46 To Reconfigure a Device Manually on page 48 Unconfiguring and Reconfiguring Devices To support a degraded boot capability the OpenBoot firmware provides the asr disable command which enables you to unconfigure system devices manually This command marks a specified device as disabled by creating an appropriate status property in the corresponding devi
18. reconstructed from the data and parity on the remaining disks System performance using RAID 5 will fall between that of RAID 0 and RAID 1 however RAID 5 provides limited data redundancy If more than one disk fails all data is lost Hot Spares In a hot spares arrangement one or more hard drives are installed in the system but are unused during normal operation This configuration is also referred to as hot relocation Should one of the active drives fail the data on the failed disk is automatically reconstructed and generated on a hot spare disk enabling the entire data set to maintain its availability Hardware Disk Mirroring On the Netra 440 server the Ultra 4 SCSI controller supports internal hardware disk mirroring using the Solaris OS 28166061 utility A hardware disk mirror created under the raidct1 utility behaves slightly differently than one created using volume management software Under a software mirror each device has its own entry in the virtual device tree and read write operations are performed to both virtual devices Under hardware disk mirroring 56 Netra 440 Server System Administration Guide August 2004 only one device the master appears in the device tree The mirrored device the slave is invisible to the operating system and is accessed only by the Ultra 4 SCSI controller Caution Creating or restoring a disk mirror destroys all data previously stored on the hard drive Physical Disk Sl
19. remote file 23 modifying 25 A Activity disk drive LED 65 Advanced Lights Out Manager ALOM commands See sc gt prompt escape sequence 9 logging in 34 multiple connections to 9 sc gt prompt See sc gt prompt alarm get status 1 75 relay output API 71 to 75 set status 71 to 75 ALOM See Sun Advanced Lights Out Manager ALOM alphanumeric terminal accessing system console from 26 baud verification 28 setting baud rate 26 asr disable OpenBoot command 46 auto boot OpenBoot configuration variable 10 42 automatic system recovery ASR about 41 commands 44 disabling 45 enabling 44 obtaining recovery information 46 B bootmode diag sc gt command 41 bootmode reset_nvram sc gt command 40 break sc gt command 11 Break key alphanumeric terminal 14 C cables keyboard and mouse 29 cfgadm Solaris command 63 cfgadm install device Solaris command cautions against using 64 cfgadm remove_device Solaris command cautions against using 64 Cisco L2511 Terminal Server connecting 19 command prompts explained 16 communicating with the system about 1 options table 2 concatenation of disks 54 console sc gt command 11 console configuration connection alternatives explained 6 console f sc gt command 9 77 D default system console configuration 4 device identifiers listed 47 device reconfiguration manual 48 device unconfiguration manual 46 DH
20. terminal since TIP lets you use windowing and operating system features on the machine being used to make the connection to the Netra 440 server Although the Solaris OS sees the serial management port as ttya the serial management port is not a general purpose serial port If you want to use a general purpose serial port with your server to connect a serial printer for instance use the regular 9 pin serial port on the back panel of the Netra 440 The Solaris OS sees this port as ttyb For instructions on accessing the system console through a terminal server see Accessing the System Console Through a Terminal Server on page 19 For instructions on accessing the system console through an alphanumeric terminal see Accessing the System Console Through an Alphanumeric Terminal on page 26 For instructions on accessing the system console through a TIP line see Accessing the System Console Through a TIP Connection on page 22 Chapter 1 Configuring the System Console 5 Once you have assigned an IP address to the network management port NET MGT you can connect an Ethernet capable device to the system console through your network This provides for remote monitoring and control In addition up to four simultaneous connections to the system controller sc gt prompt are available through the network management port For more information see Activating the Network Management Port on page 17 Altern
21. the go command will resume execution in most circumstances in general each time you drop the system down to the ok prompt you should expect to have to reboot the system to get back to the operating system As a rule before suspending the operating system you should back up files warn users of the impending shutdown and halt the system in an orderly manner However it is not always possible to take such precautions especially if the system is malfunctioning For More Information For more information about the OpenBoot firmware refer to the OpenBoot 4 x Command Reference Manual An online version of the manual is included with the OpenBoot Collection AnswerBook that ships with Solaris software Getting to the ok Prompt This procedure provides several ways of reaching the ok prompt The methods are not equally desirable For details about when to use each method see OpenBoot ok Prompt on page 9 Caution Dropping the Netra 440 server to the ok prompt suspends all application and operating system software After you issue firmware commands and run firmware based tests from the ok prompt the system might not be able to resume where it left off If at all possible back up system data before starting this procedure Also exit or stop all applications and warn users of the impending loss of service For information about the appropriate backup and shutdown procedures see Solaris system administration documentation Chapte
22. the sc gt Prompt There are several ways to get to the sc gt prompt If the system console is directed to the serial management and network management ports you can type the ALOM system controller escape sequence m You can log in directly to the ALOM system controller from a device connected to the serial management port See Accessing the System Controller on page 16 You can log in directly to the ALOM system controller using a connection through the network management port See Activating the Network Management Port on page 17 OpenBoot ok Prompt A Netra 440 server with the Solaris OS installed is capable of operating at different run levels A synopsis of run levels follows For a full description refer to the Solaris system administration documentation Most of the time you operate a Netra 440 server at run level 2 or run level 3 which are multiuser states with access to full system and network resources Occasionally you might operate the system at run level 1 which is a single user administrative state However the lowest operational state is run level 0 At this state it is safe to turn off power to the system Chapter 1 Configuring the System Console 9 10 When a Netra 440 server is at run level 0 the ok prompt appears This prompt indicates that the OpenBoot firmware is in control of the system There are a number of scenarios under which OpenBoot firmware control can occur B
23. to one USB port and the USB mouse cable to the other USB port on the Netra 440 server back panel FIGURE 1 2 Get to the ok prompt For more information see Getting to the ok Prompt on page 13 Set OpenBoot configuration variables appropriately From the existing system console type ok setenv input device keyboard ok setenv output device screen Chapter 1 Configuring the System Console 9 30 Note There are many other OpenBoot configuration variables Although these variables do not affect which hardware device is used to access the system console some of them affect which diagnostic tests the system runs and which messages the system displays at its console For details refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx To cause the changes to take effect type The system stores the parameter changes and boots automatically when the OpenBoot configuration variable auto boot is set to true its default value Note To store parameter changes you can also power cycle the system using the front panel Power button You can issue system commands and view system messages using your local graphics monitor Continue with your installation or diagnostic procedure as needed If you want to redirect the system console back to the serial management and network management ports see System Console OpenBoot Configuration Variable Settings on page 31 Netra 440 Serv
24. which logical device name and physical device name See Physical Disk Slot Numbers Physical Device Names and Logical Device Names on page 57 Ensure that no applications or processes are accessing the hard drive 62 Netra 440 Server System Administration Guide August 2004 2 View the status of the SCSI devices To view the status of the SCSI devices type the following command cfgadm al For example cfgadm al Ap_Id co c0 c1 cli c1 GL cli c2 c2 dsk cOt0d0 dSkK CItOd0 dSsk CLELdO 0 dsk c1t3d0 rOSK C2t2d0 usb0 1 usb0 2 usb1 1 sbl72 Type scsi bus CD ROM scsi bus disk disk disk disk scsi bus disk unknown unknown unknown unknown Receptacle connected connected connected connected connected connected connected connected connected empty empty empty empty Occupant configured configured configured configured configured configured configured configured configured Condition unknown unknown unknown unknown unknown unknown unknown unknown unknown unconfigured unconfigured unconfigured unconfigured Note The logical device names might appear differently on your system depending on the number and type of add on disk controllers installed The al options return the status of all SCSI devices including buses and USB devices In this example no USB devices are connected to the system Chapter 3 Managing Disk Vo
25. 440 Server System Administration Guide August 2004 Switching Between the ALOM System Controller and the System Console The Netra 440 server features two management ports labeled SERIAL MGT and NET MGT located on the server s back panel If the system console is directed to use the serial management and network management ports its default configuration these ports provide access to both the system console and the ALOM system controller each on a separate channel see FIGURE 1 4 System Console ok NET MGT or SERIAL MGT Port good console a en ALOM System Controller FIGURE 1 4 Separate System Console and System Controller Channels If the system console is configured to be accessible from the serial management and network management ports when you connect through one of these ports you can access either the ALOM command line interface or the system console You can switch between the ALOM system controller and the system console at any time but you cannot access both at the same time from a single terminal or shell tool Chapter 1 Configuring the System Console 5 The prompt displayed on the terminal or shell tool tells you which channel you are accessing m The or prompt indicates that you are at the system console and that the Solaris OS is running The ok prompt indicates that you are at the system console and that the server is running under OpenBoot fi
26. A Stop A keys 10 11 accessing via manual system reset 10 12 risks in using 12 suspension of Solaris operating environment 12 ways to access 10 13 OK to Remove disk drive LED 61 64 65 OpenBoot commands asr disable 46 go 13 power off 21 24 27 probe ide 11 probe scsi 11 probe scsi all 11 reset all 30 45 48 set defaults 41 setenv 21 29 show devs 47 showenv 67 OpenBoot configuration variables auto boot 10 42 described table 67 diag device 43 error reset recovery 49 input device 21 29 31 output device 21 29 31 system console settings 31 ttyb mode 28 OpenBoot emergency procedures non USB keyboard commands 39 performing 39 USB keyboard commands 40 OpenBoot firmware scenarios for control 10 operating environment software suspending 12 output device OpenBoot configuration variable 21 1 P parity 26 28 56 patch panel terminal server connection 19 PCI cards device names 47 frame buffers 29 Index 79 PCI graphics card configuring to access system console 29 connecting graphics monitor to 29 physical device name disk drive 57 port settings verifying on ttyb 28 power off OpenBoot command 21 24 27 poweroff sc gt command 12 poweron sc gt command 12 probe ide OpenBoot command 11 probe scsi OpenBoot command 11 probe scsi all OpenBoot command 11 R RAID redundant array of independent disks disk concatenation 54 hardware mirror See hardw
27. Boot Diagnostics For more information and a list of possible test argument values refer to the Netra 440 Server Diagnostics and Troubleshooting Guide Defines the number of times self test methods are performed If true network drivers use their own MAC address not the server MAC address If true include name fields for plug in device FCodes Suppress all messages if true and diag switch is false SCSI ID of the Ultra 4 SCSI controller If true use custom OEM logo otherwise use Sun logo If true use custom OEM banner If true enable ANSI terminal emulation Sets number of columns on screen Sets number of rows on screen 67 TABLE A 1 Variable ttyb rts dtr off ttyb ignore cd ttya rts dtr off ttva ignore cd ttyb mode ttya mode output device input device auto boot on error load base auto boot boot command diag file diag device boot file boot device use nvramrc Possible Values true false true false true false true false baud_rate bits parity stop handshake 9600 8 n 1 ttya ttyb screen ttya ttyb keyboard true false O n true false variable name variable name variable name variable name variable name true false Default Value false true false true 9600 8 n 1 9600 8 n 1 ttya ttya false 16384 true boot none net none disk net false 68 Netra 440
28. CP Dynamic Host Configuration Protocol 17 diag device OpenBoot configuration variable 43 disk configuration concatenation 54 hot spares 56 mirroring 54 RAID 0 55 RAID 1 55 RAID 5 56 striping 55 disk drives LEDs Activity 65 OK to Remove 61 64 65 logical device names table 57 disk hot plug mirrored disk 61 non mirrored disk 62 disk mirror RAID 0 See hardware disk mirror disk slot number reference 57 disk striping with parity RAID 5 56 disk volumes about 51 deleting 60 DMP Dynamic Multipathing 52 dtterm Solaris utility 23 Dynamic Host Configuration Protocol DHCP client on network management port 17 18 Dynamic Multipathing DMP 52 E environmental information viewing 36 error handling summary 43 error reset recovery OpenBoot configuration variable 49 escape sequence ALOM system controller 9 externally initiated reset XIR invoking from sc gt prompt 12 F fsck Solaris command 12 G go OpenBoot command 13 graceful system halt 11 14 graphics monitor accessing system console from 29 connecting to PCI graphics card 29 restrictions against using for initial setup 29 restrictions against using to view POST output 29 H halt gracefully advantages of 11 14 hardware disk mirror about 56 checking the status of 59 hot plug operation 61 hardware watchdog mechanism enabling 49 hot plug operation non mirrored disk drive 62 on hardware d
29. S Netra and Solaris are trademarks or registered trademarks of Sun Microsystems Inc in the U S and in other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the U S and in other countries Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems Inc The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements U S Government Rights Commercial use Government users are subject to the Sun Microsystems Inc standard license agreement and applicable provisions of the FAR and its supplements DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT ARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 2004 Sun Microsystems Inc 4150 Network Circle Santa Clara Californie 95054 Etats Unis Tous droits r
30. Server System Administration Guide August 2004 OpenBoot Configuration Variables Stored on the System Configuration Card Continued Description If true operating system does not assert rts request to send and dtr data transfer ready on ttyb If true operating system ignores carrier detect on ttyb If true operating system does not assert rts request to send and dtr data transfer ready on serial management port If true operating system ignores carrier detect on serial management port ttyb baud rate number of bits parity number of stops handshake Serial management port baud rate bits parity stop handshake The serial management port only works at the default values Power on output device Power on input device If true boot automatically after system error Address If true boot automatically after power on or reset Action following a boot command File from which to boot if diag switch is true Device from which to boot if diag switch is true File from which to boot if diag switch is false Device s from which to boot if diag switch is false If true execute commands in NVRAMRC during server startup TABLE A 1 Variable nvramrc security mode security password security badlogins post trigger diag script diag level diag switch obdiag trigger error reset recovery Possible Values variable_name none command full var
31. age 57 Chapter 3 Managing Disk Volumes 57 To verify that a hardware disk mirror does not exist already type raidctl No RAID volumes found The example above indicates that no RAID volume exists In another case raidctl RAID RAID RAID Disk Volume Status Disk Status ele led DEGRADEDc1t1d0 CLEA DEGRADED The example above indicates a hardware mirror has degraded at disk c1t2d0 Note The logical device names might appear differently on your system depending on the number and type of add on disk controllers installed 2 Type the following command raidctl c master slave For example raidctl c 0100600 0 When you create a RAID mirror the slave drive in this case c1t1d0 disappears from the Solaris device tree 58 Netra 440 Server System Administration Guide August 2004 3 To check the status of a RAID mirror type the following command raidctl RAID RAID Disk Volume Status Status 00 RESYNCING citOdo0 CLELdO The example above indicates that the RAID mirror is still resynchronizing with the backup drive The example below shows that the RAID mirror is completely restored and online raidctl RAID RAID Disk Volume Status Status 0 0 Under RAID 1 disk mirroring all data is duplicated on both drives If a disk fails replace it with a working drive and restore the mirror For instructions see To Perform a Mirrored Disk Hot Plug Operation on page 61 For mo
32. al Ap_Id Type Receptacle Occupant Condition 0 scsi bus connected configured unknown cO dsk cOt0d0 CD ROM connected configured unknown cT scsi bus connected configured unknown el dsk crt do disk connected configured unknown cl sdsk crTtIao disk connected configured unknown c1 dsk c1t2d0 disk connected configured unknown unavailable connected unconfigured unknown C2 scsi bus connected configured unknown C23 fdsis C2u200 disk connected configured unknown usb0 1 unknown empty unconfigured usb0 2 unknown empty unconfigured usb1 1 unknown empty unconfigured usb1 2 unknown empty unconfigured Note that c1t3d0 is now unavailable and unconfigured The corresponding hard drive OK to Remove LED is lit 5 Remove the hard drive as described in the Netra 440 Server Service Manual The blue OK to Remove LED goes out when you remove the hard drive 6 Install a new hard drive as described in the Netra 440 Server Service Manual 7 Configure the new hard drive To configure the new hard drive type the following command cfgadm c configure Ap Id For example cfgadm c configure c1 dsk c1t3d0 The green Activity LED flashes as the new disk at c1t3d0 is added to the device tree Chapter 3 Managing Disk Volumes 5 8 Verify that the new hard drive is in the device tree To verify that the new hard drive is in the device tree type the following command cfgadm al Ap_Id Type Receptacle Occupant Co
33. alphanumeric terminal to receive 9600 baud m 8 amp bits No parity m 1 stop bit No handshake protocol Refer to the documentation accompanying your terminal for information about how to configure the terminal 26 Netra 440 Server System Administration Guide August 2004 5 If you want to use ttyb instead of the serial management port do the following a Redirect the system console by changing the OpenBoot configuration variables At the ok prompt type the following commands ok setenv input device ttyb ok setenv output device ttyb Note You can only access the sc gt prompt and view POST messages from either the serial management port or the network management port Note There are many other OpenBoot configuration variables Although these variables do not affect which hardware device is used to access the system console some of them affect which diagnostic tests the system runs and which messages the system displays at its console For details refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx b To cause the changes to take effect power off the system Type ok power off The system permanently stores the parameter changes and powers off Note You can also power off the system using the front panel Power button c Connect the null modem serial cable to the ttyb port on the Netra 440 server If required use the DB 9 or DB 25 cable adapter supplied w
34. arate disks to protect against loss of data due to disk failure One logical volume is duplicated on two separate disks coe al Se FIGURE 3 3 Graphical Representation of Disk Mirroring Whenever the operating system needs to write to a mirrored volume both disks are updated The disks are maintained at all times with exactly the same information When the operating system needs to read from the mirrored volume it reads from whichever disk is more readily accessible at the moment which can result in enhanced performance for read operations Chapter 3 Managing Disk Volumes 55 On the Netra 440 server you can configure hardware disk mirroring using the on board Ultra 4 SCSI controller This provides higher performance than with conventional software mirroring using volume management software For more information see To Create a Hardware Disk Mirror on page 57 To Delete a Hardware Disk Mirror on page 59 To Perform a Mirrored Disk Hot Plug Operation on page 61 RAID 1 offers the highest level of data protection but storage costs are high and write performance compared to RAID 0 or RAID 5 is reduced since all data must be stored twice RAID 5 Disk Striping With Parity RAID 5 is an implementation of disk striping in which parity information is included with each disk write The advantage of this technique is that if any one disk in a RAID 5 array fails all the information about the failed drive can be
35. are disk mirror striping 55 RAID 0 striping 55 RAID 1 mirroring 55 RAID 5 striping with parity 56 raidctl Solaris command 57 to 62 redundant array of independent disks See RAID redundant array of independent disks reset manual system 12 14 scenarios 44 reset sc gt command 12 reset x sc gt command 12 reset all OpenBoot command 30 45 48 run levels explained 9 ok prompt and 9 S sc gt commands bootmode diag 41 bootmode reset _nvram 40 break 11 console 11 41 console f 9 poweroff 12 poweron 12 reset 12 41 reset x 12 setlocator 37 38 setsc 18 showlocator 38 shownetwork 18 sc gt prompt about 8 34 accessing from network management port 9 accessing from serial management port 9 multiple sessions 9 system console escape sequence 9 system console switching between 15 ways to access 9 scadm Solaris utility 35 serial management port SERIAL MGT acceptable console device connections 5 as default communication port on initial startup 2 configuration parameters 17 default system console configuration 4 using 16 SERIAL MGT See serial management port set defaults OpenBoot command 41 setenv OpenBoot command 21 29 setlocator sc gt command 38 setlocator Solaris command 38 setsc sc gt command 18 show devs OpenBoot command 47 showenv OpenBoot command 67 shownetwork sc gt command 18 shutdown Solaris command 11 14 Solaris commands
36. ated reset XIR Manual system reset A discussion of each method follows For step by step instructions see Getting to the ok Prompt on page 13 Netra 440 Server System Administration Guide August 2004 Graceful Shutdown The preferred method of reaching the ok prompt is to shut down the operating system by issuing an appropriate command for example the shutdown init or uadmin command as described in Solaris system administration documentation You can also use the system Power button to initiate a graceful system shutdown Gracefully shutting down the system prevents data loss enables you to warn users beforehand and causes minimal disruption You can usually perform a graceful shutdown provided the Solaris OS is running and the hardware has not experienced serious failure You can also perform a graceful system shutdown from the ALOM system controller command prompt ALOM System Controller break or console Command Typing break from the sc gt prompt forces a running Netra 440 server to drop into OpenBoot firmware control If the operating system is already halted you can use the console command instead of break to reach the ok prompt After forcing the system into OpenBoot firmware control be aware that issuing certain OpenBoot commands like probe scsi probe scsi all or probe ide might hang the system L1 A Stop A Keys or Break Key When it is impossible or impractical to shut down the system gracefully y
37. ation 51 Volume Management Software Volume management software lets you create disk volumes Sun Microsystems offers two different volume management applications for use on the Netra 440 server m VERITAS Volume Manager VVM software Solaris Volume Manager software Sun s volume management applications offer the following features Support for several types of RAID configurations which provide varying degrees of availability capacity and performance Hot spare facilities which provide for automatic data recovery when disks fail Performance analysis tools which enable you to monitor I O performance and isolate bottlenecks a A graphical user interface GUI which simplifies storage management Support for online resizing which enables volumes and their file systems to grow and shrink online Online reconfiguration facilities which let you change to a different RAID configuration or modify characteristics of an existing configuration VERITAS Dynamic Multipathing VERITAS Volume Manager software actively supports multiported disk arrays It automatically recognizes multiple I O paths to a particular disk device within an array Called Dynamic Multipathing DMP this capability provides increased reliability by providing a path failover mechanism If one connection to a disk is lost VVM continues to access the data over the remaining connections This multipathing capability also provides grea
38. ation about connecting to and using the ALOM system controller refer to the Advanced Lights Out Manager User s Guide If you have redirected the system console to ttyb and want to change the system console settings back to use the serial management and network management ports see System Console OpenBoot Configuration Variable Settings on page 31 Accessing the System Console Through a TIP Connection This procedure assumes that you are accessing the Netra 440 server system console by connecting the serial port of another Sun system to the serial management port SERIAL MGT of the Netra 440 server FIGURE 1 6 Serial management port 000000000000 000000 eae eae a Serial port Another Sun system FIGURE 1 6 TIP Connection Between a Netra 440 Server and Another Sun System 22 Netra 440 Server System Administration Guide August 2004 To Access the System Console Through the TIP Connection Connect the RJ 45 serial cable and if required the DB 9 or DB 25 adapter provided The cable and adapter connect between another Sun system s serial port typically ttyb and the serial management port on the back panel of the Netra 440 server Pinouts part numbers and other details about the serial cable and adapter are provided in the Netra 440 Server Service Manual 817 3883 xx Ensure that the etc remote file on the Sun system contains an entry for hardwire Most releases of Solaris OS software shipped since
39. ative System Console Configuration In the default configuration system controller alerts and system console output appear interspersed in the same window After initial system installation you can redirect the system console to take its input from and send its output to the serial port ttyb or to a graphics card s port Six PCI USB ports card slots Serial port TTYB for keyboard and mouse 6 95 FIGURE 1 3 Alternative Console Ports Require Additional Configuration The chief advantage of redirecting the system console to another port is that it allows you to divide system controller alerts and system console output into two separate windows However there are some serious disadvantages to alternative console configuration Power on self text POST output can only be directed to the serial management and network management ports It cannot be directed to ttyb or to a graphics card s port 6 Netra 440 Server System Administration Guide August 2004 If you have directed the system console to ttyb you cannot use this port for any other serial device Ina default configuration the serial management and network management ports allow you to open up to four additional windows through which you can view but not affect system console activity You cannot open these windows if the system console is redirected to ttyb or to a graphics card s port Ina default configuration the serial management and
40. cator LED do one of the following m In the Solaris OS log as superuser and type the following command usr sbin setlocator n Locator LED 18 on From the ALOM system controller command prompt type sc gt setlocator on Locator LED is on Chapter 2 Managing RAS Features and System Firmware 37 38 To turn off the Locator LED do one of the following In the Solaris OS log in as superuser and type the following command usr sbin setlocator f Locator LED is off From the ALOM system controller command prompt type sc gt setlocator off Locator LED is off 6 To display the state of the Locator LED do one of the following m In the Solaris OS log in as superuser and type the following command usr sbin showlocator Locator LED is on From the ALOM system controller command prompt type sc gt showlocator Locator LED is on Note You do not need user permissions to use the setlocator and showlocator commands Netra 440 Server System Administration Guide August 2004 OpenBoot Emergency Procedures The introduction of Universal Serial Bus USB keyboards with the newest Sun systems has made it necessary to change some of the OpenBoot emergency procedures Specifically the Stop N Stop D and Stop F commands that were available on systems with non USB keyboards are not supported on systems that use USB keyboards such as the Netra 440 server If you
41. ce tree node By convention the Solaris OS does not activate a driver for any device so marked v To Unconfigure a Device Manually 1 At the ok prompt type ok asr disable device identifier 46 Netra 440 Server System Administration Guide August 2004 where the device identifier is one of the following m Any full physical device path as reported by the OpenBoot show devs command Any valid device alias as reported by the OpenBoot devalias command Any device identifier from TABLE 2 2 Note The device identifiers are not case sensitive You can type them as uppercase or lowercase characters TABLE 2 2 Device Identifiers and Devices Device Identifiers cpu0 bank0O cpu0 bank1 cpu0 bank2 cpu0 bank3 cpu3 bankO cpu3 bank1 cpu3 bank2 cpu3 bank3 cpu0 bank cpul bank cpu3 bank ob ide ob net0 ob netl1 ob scsi pci slot0 pci slot1 5 5 pci slot pci hba8 hba9 ob usb0 ob usb1 Devices Memory banks 0 3 for each CPU All memory banks for each CPU On board IDE controller On board Ethernet controllers On board Ultra 4 SCSI controller PCI slots 0 5 All PCI slots All on board PCI devices on board Ethernet Ultra 4 SCSI and all PCI slots PCI bridge chips 0 and 1 respectively USB devices All devices To determine full physical device paths type The show devs command lists the system devices and displays the full path name of each device To display a list o
42. ces or two host bus adapters connected to the same dual ported storage array For the Netra 440 server three different types of multipathing software are available Solaris IP Network Multipathing software provides multipathing and load balancing capabilities for IP network interfaces m VERITAS Volume Manager VVM software includes a feature called Dynamic Multipathing DMP which provides disk multipathing as well as disk load balancing to optimize I O throughput Sun StorEdge Traffic Manager is an architecture fully integrated within the Solaris OS beginning with the Solaris 8 release that enables I O devices to be accessed through multiple host controller interfaces from a single instance of the I O device For More Information For information about setting up redundant hardware interfaces for networks refer to the Netra 440 Server Installation Guide 817 3882 xx For instructions on how to configure and administer Solaris IP Network Multipathing consult the IP Network Multipathing Administration Guide provided with your specific Solaris release For information about VVM and its DMP feature see Volume Management Software on page 52 and refer to the documentation provided with the VERITAS Volume Manager software For information about Sun StorEdge Traffic Manager refer to the Netra 440 Server Product Overview 817 3881 xx and refer to your Solaris OS documentation 50 Netra 440 Server System Administra
43. cified in Step 3 of the preceding procedure Accessing the System Console Through a Terminal Server The following procedure assumes that you are accessing the system console by connecting a terminal server to the serial management port SERIAL MGT of the Netra 440 server To Access The System Console Through a Terminal Server Complete the physical connection from the serial management port to your terminal server The serial management port on the Netra 440 server is a data terminal equipment DTE port The pinouts for the serial management port correspond with the pinouts for the RJ 45 ports on the Serial Interface Breakout Cable supplied by Cisco for use with the Cisco AS2511 RJ terminal server If you use a terminal server made by another manufacturer check that the serial port pinouts of the Netra 440 server match those of the terminal server you plan to use If the pinouts for the server serial ports correspond with the pinouts for the RJ 45 ports on the terminal server you have two connection options m Connect a serial interface breakout cable directly to the Netra 440 server See Accessing the System Controller on page 16 Connect a serial interface breakout cable to a patch panel and use the straight through patch cable supplied by Sun to connect the patch panel to the server Chapter 1 Configuring the System Console 19 Patch cable to serial management port Straight through cable 2
44. configuring system devices For more information see m Unconfiguring and Reconfiguring Devices on page 46 To Reconfigure a Device Manually on page 8 a Obtaining Automatic System Recovery Information on page 46 Enabling and Disabling Automatic System Recovery The automatic system recovery ASR feature is not activated until you enable it at the system ok prompt v To Enable Automatic System Recovery 1 At the ok prompt type ok setenv diag switch true ok setenv auto boot true ok setenv auto boot on error true 44 Netra 440 Server System Administration Guide August 2004 2 Set the obdiag trigger variable to any combination of power on reset error reset and user reset For example type ok setenv obdiag trigger power on reset error reset Note For more information about OpenBoot configuration variables refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx To cause the parameter changes to take effect type ok reset all The system permanently stores the parameter changes and boots automatically when the OpenBoot configuration variable auto boot is set to true its default value Note To store parameter changes you can also power cycle the system using the front panel Power button To Disable Automatic System Recovery At the ok prompt type ok setenv auto boot on error false To cause the parameter change to take effect type
45. connect a conventional serial device such as a printer to the system you must connect it to TTYB not the serial management port Refer to the Netra 440 Server Product Overview for more information 817 3881 xx It is important to note that the sc gt prompt and POST messages are only available through the serial management port and network management port In addition the ALOM system controller console command is ineffective when the system console is redirected to ttyb or a local graphics monitor In addition to the OpenBoot configuration variables described in TABLE 1 4 there are other variables that affect and determine system behavior These variables which are stored on the system configuration card are discussed in more detail in the Netra 440 Server Product Overview 817 3881 xx Chapter 1 Configuring the System Console 1 32 Netra 440 Server System Administration Guide August 2004 CHAPTER 2 Managing RAS Features and System Firmware This chapter describes how to manage reliability availability and serviceability RAS features and system firmware including Sun Advanced Lights Out Manager ALOM system controller automatic system recovery ASR and the hardware watchdog mechanism In addition this chapter describes how to unconfigure and reconfigure a device manually and introduces multipathing software This chapter contains the following sections m ALOM System Controller on page 34 ALOM System Contr
46. d if previously described methods do not work Manual System Reset Use the ALOM system controller reset command or poweron and poweroff commands to reset the server Reaching the ok prompt by performing a manual system reset or by power cycling the system should be the method of last resort Doing this results in the loss of all system coherence and state information A manual system reset could corrupt the server s file systems although the fsck command usually restores them Use this method only when nothing else works Caution Forcing a manual system reset results in loss of system state data and should be attempted only as a last resort After a manual system reset all state information is lost which inhibits troubleshooting the cause of the problem until the problem reoccurs Caution Accessing the ok prompt suspends the Solaris OS When you access the ok prompt from a functioning Netra 440 server you are suspending the Solaris OS and placing the system under firmware control Any processes that were running under the operating system are also suspended and the state of such processes might not be recoverable The diagnostic tests and commands you run from the ok prompt have the potential to affect the state of the system This means that it is not always possible to resume execution of the operating system from the point at which it was suspended 12 Netra 440 Server System Administration Guide August 2004 Although
47. e Critical system configuration card SCC read failure Critical application specific integrated circuit ASIC failure For more information about troubleshooting fatal errors refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx Chapter 2 Managing RAS Features and System Firmware 3 Reset Scenarios Three OpenBoot configuration variables diag switch obdiag trigger and post trigger control whether the system runs firmware diagnostics in response to system reset events The standard system reset protocol bypasses POST and OpenBoot Diagnostics completely unless the variable diag switch is set to true or the system control keyswitch is in the Diagnostics position The default setting for this variable is false Therefore to enable ASR which relies on firmware diagnostics to detect faulty devices you must change this setting to true For instructions see Enabling and Disabling Automatic System Recovery on page 44 To control which reset events if any automatically initiate firmware diagnostics the OpenBoot firmware provides variables called obdiag trigger and post trigger For detailed explanations of these variables and their uses refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx Automatic System Recovery User Commands The OpenBoot commands asr asr disable and asr enable are available for obtaining ASR status information and for manually unconfiguring or re
48. er System Administration Guide August 2004 System Console OpenBoot Configuration Variable Settings The Netra 440 system console is directed to the serial management and network management ports SERIAL MGT and NET MGT by default However you can redirect the system console to the serial DB 9 port TTYB or to a local graphics monitor keyboard and mouse You can also redirect the system console back to the serial management and network management ports Certain OpenBoot configuration variables control from where system console input is taken and to where its output is directed The table below shows how to set these variables in order to use the serial management and network management ports TTYB or a local graphics monitor as the system console connection TABLE 1 4 OpenBoot Configuration Variables That Affect the System Console Setting for Sending System Console Output to Local Graphics Serial and Monitor USB OpenBoot Configuration Network Keyboard and Variable Name Management Ports Serial Port TTYB Mouse output device ttya ttyb screen input device ttya ttyb keyboard POST output will still be directed to the serial management port as POST has no mechanism to direct its output to a graphics monitor The serial management port and network management port are present in the OpenBoot configuration variables as ttya However the serial management port does not function as a standard serial connection If you want to
49. f current device aliases type Chapter 2 Managing RAS Features and System Firmware 7 To create your own device alias for a physical device type ok devalias alias name physical device path where alias name is the alias that you want to assign and physical device path is the full physical device path for the device Note If you manually disable a device using asr disable and then assign a different alias to the device the device remains disabled even though the device alias has changed 2 To cause the parameter change to take effect type ok reset all The system permanently stores the parameter change Note To store parameter changes you can also power cycle the system using the front panel Power button v To Reconfigure a Device Manually 1 At the ok prompt type ok asr enable device identifier where the device identifier is one of the following ma Any full physical device path as reported by the OpenBoot show devs command Any valid device alias as reported by the OpenBoot devalias command Any device identifier from TABLE 2 2 Note The device identifiers are not case sensitive You can type them as uppercase or lowercase characters You can use the OpenBoot asr enable command to reconfigure any device that you previously unconfigured with the asr disable command 48 Netra 440 Server System Administration Guide August 2004 Enabling the Hardware Watchdog Mechanism and Its Options Fo
50. hing Software 50 For More Information 50 Netra 440 Server System Administration Guide August 2004 Managing Disk Volumes 51 Disk Volumes 51 Volume Management Software 52 VERITAS Dynamic Multipathing 52 Sun StorEdge Traffic Manager 52 For More Information 53 RAID Technology 54 Disk Concatenation 54 RAID 0 Disk Striping 55 RAID 1 Disk Mirroring 55 RAID 5 Disk Striping With Parity 56 Hot Spares 56 Hardware Disk Mirroring 56 Physical Disk Slot Numbers Physical Device Names and Logical Device Names 57 OpenBoot Configuration Variables 67 Alarm Relay Output Application Programming Interface 71 Index 77 Contents Netra 440 Server System Administration Guide August 2004 FIGURE 1 1 FIGURE 1 2 FIGURE 1 3 FIGURE 1 4 FIGURE 1 5 FIGURE 1 6 FIGURE 3 1 FIGURE 3 2 FIGURE 3 3 Figures Directing the System Console to Different Ports and Different Devices 4 Serial Management Port on the ALOM System Controller Card Default Console Connection 5 Alternative Console Ports Require Additional Configuration 6 Separate System Console and System Controller Channels 15 Patch Panel Connection Between a Terminal Server and a Netra 440 Server 20 TIP Connection Between a Netra 440 Server and Another Sun System 22 Graphical Representation of Disk Concatenation 54 Graphical Representation of Disk Striping 55 Graphical Representation of Disk Mirroring 55 Netra 440 Server System Administra
51. iable name variable name error reset power on reset user reset all resets all normal none none min max true false error reset power on reset user reset all resets boot none sync Default Value none none none none power on reset normal min false error reset boot OpenBoot Configuration Variables Stored on the System Configuration Card Continued Description Command script to execute if use nvramrc is true Firmware security level Firmware security password if security mode is not none never displayed do not set this directly Number of incorrect security password attempts Sets trigger events that will cause POST to run provided diag switch is true POST does not run if diag switch is false regardless of the post trigger setting Specifies the set of tests for OpenBoot Diagnostics to run Selecting all is equivalent to running test all from the OpenBoot command line Defines how diagnostic tests are run If true e Run in diagnostic mode e After a boot request boot diag file from diag device If false Run in nondiagnostic mode e After a boot request boot boot file from boot device Sets trigger events that cause OpenBoot Diagnostics to run provided diag switch is true and diag script is not none OpenBoot Diagnostics does not run if diag switch is false or if diag script is none regardless of the obdiag trigger se
52. ights Out Manager 1 3 Please login admin At the password prompt enter the password and press Return twice to get to the sc gt prompt Please Enter password SC gt Note There is no default password You must assign a password during initial system configuration For more information refer to your Netra 440 Server Installation Guide 817 3882 xx and Advanced Lights Out Manager User s Guide 817 5481 xx Caution In order to provide optimum system security best practice is to change the default system login name and password during initial setup Using the ALOM system controller you can monitor the system turn the Locator LED on and off or perform maintenance tasks on the ALOM system controller card itself For more information refer to the Advanced Lights Out Manager User s Guide 817 5481 xx About the scadm Utility The System Controller Administration scadm utility which is part of the Solaris OS enables you to perform many ALOM tasks while logged in to the host server The scadm commands control several functions Some functions allow you to view or set ALOM environment variables Chapter 2 Managing RAS Features and System Firmware 35 Note Do not use the scadm utility while SunVTS diagnostics are running See your SunVTS documentation for more information You must be logged in to the system as root to use the scadm utility The scadm utility uses the following syntax scadm command
53. isk mirror 61 hot spares disk drives 56 See also disk configuration init Solaris command 11 14 input device OpenBoot configuration variable 21 1 K keyboard attaching 29 keyboard sequences L1 A 10 11 14 Stop A non USB keyboard sequence See L1 A keyboard sequence Stop D non USB keyboard sequence 39 78 Netra 440 Server System Administration Guide August 2004 Stop F non USB keyboard sequence 39 Stop N non USB keyboard sequence 39 L L1 A keyboard sequence 10 11 14 LEDs Activity disk drive LED 65 Locator system status LED 37 OK to Remove disk drive LED 61 64 65 Locator system status LED controlling 37 controlling from sc gt prompt 37 38 controlling from Solaris 37 38 logging in to the Advanced Lights Out Manager ALOM 34 logical device name disk drive reference 57 M manual device reconfiguration 48 manual device unconfiguration 46 manual system reset 12 14 mirrored disk 54 monitor attaching 29 multiple ALOM sessions 9 Multiplexed 1 0 MPxIO 52 N network management port NET MGT activating 17 configuring IP address 18 configuring using Dynamic Host Configuration Protocol DHCP 17 non mirrored disk hot plug operation 62 O ok prompt about 9 accessing via ALOM break command 10 11 accessing via Break key 10 11 accessing via externally initiated reset XIR 12 accessing via graceful system shutdown 11 accessing via L1
54. ith the server d Power on the system Refer to the Netra 440 Server Installation Guide for power on procedures You can issue system commands and view system messages using the alphanumeric terminal Continue with your installation or diagnostic procedure as needed When you are finished type the alphanumeric terminal s escape sequence For more information about connecting to and using the ALOM system controller refer to the Advanced Lights Out Manager User s Guide 817 5481 xx If you have redirected the system console to ttyb and want to change the system console settings back to use the serial management and network management ports see System Console OpenBoot Configuration Variable Settings on page 31 Chapter 1 Configuring the System Console 7 Verifying Serial Port Settings on TTYB This procedure lets you verify the baud rate and other serial port settings used by the Netra 440 server to communicate with a device attached to its ttyb port Note The serial management port always operates at 9600 baud 8 bits with no parity and 1 stop bit You must be logged in to the Netra 440 server and the server must be running Solaris OS software Y To Verify the Serial Port Settings on TTYB 1 Open a shell tool window 2 Type eeprom grep ttyb mode 3 Look for the following output ttyb mode 9600 8 n 1 This line indicates that the Netra 440 server s serial port tt yb is configured for 9600
55. lity can be closely emulated by turning the system control keyswitch to the Diagnostics position For more information refer to the Netra 440 Server Product Overview 817 3881 xx In addition you can emulate Stop D functionality using the ALOM system controller bootmode diag command For more information refer to the Advanced Lights Out Manager User s Guide 817 5481 xx Automatic System Recovery The system provides for automatic system recovery ASR from failures in memory modules or PCI cards Automatic system recovery functionality enables the system to resume operation after experiencing certain nonfatal hardware faults or failures When ASR is enabled the system s firmware diagnostics automatically detect failed hardware components Chapter 2 Managing RAS Features and System Firmware 41 An auto configuring capability designed into the OpenBoot firmware enables the system to unconfigure failed components and to restore system operation As long as the system is capable of operating without the failed component the ASR features enable the system to reboot automatically without operator intervention Note ASR is not activated until you enable it See Enabling and Disabling Automatic System Recovery on page 44 For more information about ASR refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx Auto Boot Options The OpenBoot firmware stores a configuration variable on the system
56. llowing a Redirect the system console by changing OpenBoot configuration variables At the ok prompt type the following commands ok setenv input device ttyb ok setenv output device ttyb Note Redirecting the system console does not redirect POST output You can only view POST messages from the serial and network management port devices Note There are many other OpenBoot configuration variables Although these variables do not affect which hardware device is used to access the system console some of them affect which diagnostic tests the system runs and which messages the system displays at its console For details refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx b To cause the changes to take effect power off the system Type ok power off The system permanently stores the parameter changes and powers off Note You can also power off the system using the front panel Power button c Connect the null modem serial cable to the ttyb port on the Netra 440 server If required use the DB 9 or DB 25 cable adapter supplied with the server Chapter 1 Configuring the System Console 1 d Power on the system Refer to the Netra 440 Server Installation Guide for power on procedures Continue with your installation or diagnostic test session as appropriate When you are finished end your session by typing the terminal server s escape sequence and exit the window For more inform
57. lumes 3 Note that while you can use the Solaris OS cfgadm install _ device and cfgadm remove device commands to perform a hard drive hot swap procedure these commands issue the following warning message when you invoke these commands on a bus containing the system disk cfgadm x remove device c0 dsk citid0 Removing SCSI device devices pci l1lf 4000 scsi 3 sd 1 0 This operation will suspend activity on SCSI bus 0 Continue yes no y dev devices pci l1lf 4000 scsi 3 sd 1 0 cfgadm Hardware specific failure failed to suspend Resource Information dev dsk cit0d0s0 mounted filesystem dev dsk cit0d0s6 mounted filesystem usr This warning is issued because these commands attempt to quiesce the Ultra 4 SCSI bus but the Netra 440 server firmware prevents it This warning message can be safely ignored in the Netra 440 server but the following procedure avoids this warning message altogether 3 Remove the hard drive from the device tree To remove the hard drive from the device tree type the following command cfgadm c unconfigure Ap Id For example cfgadm c unconfigure c1 dsk c1t3d0 This example removes c1t3d0 from the device tree The blue OK to Remove LED lights 64 Netra 440 Server System Administration Guide August 2004 4 Verify that the device has been removed from the device tree To verify that the device has been removed from the device tree type the following command cfgadm
58. monitor mouse and so forth See the following e Accessing the System Console Through a Local Graphics Monitor page 9 e System Console OpenBoot Configuration Variable Settings on page 1 After initial system installation you can redirect the system console to take its input from and send its output to the serial port TTYB What the System Console Does The system console displays status and error messages generated by firmware based tests during system startup After those tests have been run you can enter special commands that affect the firmware and alter system behavior For more information about tests that run during the boot process refer to the Netra 440 Server Diagnostics and Troubleshooting Guide Once the operating system is booted the system console displays UNIX system messages and accepts UNIX commands Using the System Console To use the system console you need some means of getting data in to and out of the system which means attaching some kind of hardware to the system Initially you might have to configure that hardware and load and configure appropriate software as well Chapter 1 Configuring the System Console 3 You must also ensure that the system console is directed to the appropriate port on the Netra 440 server s back panel generally the one to which your hardware console device is attached see FIGURE 1 1 You do this by setting the input device and output device OpenB
59. monitoring automatic system recovery ASR hardware watchdog mechanism and multipathing software In addition it describes how to unconfigure and reconfigure a device manually Chapter 3 describes how to manage internal disk volumes and devices This manual also includes the following reference appendixes m Appendix A provides a list of all OpenBoot configuration variables and a short description of each m Appendix B provides a sample program that illustrates how to get set the status of the alarms Using UNIX Commands This document might not contain information on basic UNIX commands and procedures such as shutting down the system booting the system and configuring devices See the following for this information Software documentation that you received with your system Solaris OS documentation which is at http docs sun com Shell Prompts Shell Prompt C shell machine name C shell superuser machine name Bourne shell and Korn shell 5 Bourne shell and Korn shell superuser Netra 440 Server System Administration Guide August 2004 Typographic Conventions Typeface Meaning AaBbCc123 AaBbCc123 AaBbCc123 The names of commands files and directories on screen computer output You have mail Book titles new words or terms words to be emphasized Replace command line variables with real names or values Examples What you type when contrasted su with
60. ncatenation Disk striping RAID 0 Disk mirroring RAID 1 Disk striping with parity RAID 5 Hot spares Disk Concatenation Disk concatenation is a method for increasing logical volume size beyond the capacity of one hard drive by creating one large volume from two or more smaller drives This lets you create arbitrarily large partitions FIGURE 3 1 Graphical Representation of Disk Concatenation Using this method the concatenated disks are filled with data sequentially with the second disk being written to when no space remains on the first the third when no space remains on the second and so on 54 Netra 440 Server System Administration Guide August 2004 RAID 0 Disk Striping Disk striping RAID 0 is a technique for increasing system throughput by using several hard drives in parallel Whereas in non striped disks the operating system writes a single block to a single disk in a striped arrangement each block is divided and portions of the data are written to different disks simultaneously lt FIGURE 3 2 Graphical Representation of Disk Striping System performance using RAID 0 will be better than using RAID 1 or 5 but the possibility of data loss is greater because there is no way to retrieve or reconstruct data stored on a failed hard drive RAID 1 Disk Mirroring Disk mirroring RAID 1 is a technique that uses data redundancy two complete copies of all data stored on two sep
61. ndition co scsi bus connected configured unknown c0 dsk c0t0do0 CD ROM connected configured unknown 1 scsi bus connected configured unknown Gl dsk c1t0d0 disk connected configured unknown 0 disk connected configured unknown ClL dsK clt240 disk connected configured unknown CL sdsk7 ele3do disk connected configured unknown C2 scsi bus connected configured unknown Caridsk e2t24a0 disk connected configured unknown usb0 1 unknown empty unconfigured usb0 2 unknown empty unconfigured usb1 1 unknown empty unconfigured usb1 2 unknown empty unconfigured Note that c1t3d0 is now listed as configured 66 Netra 440 Server System Administration Guide August 2004 APPENDIX A OpenBoot Configuration Variables TABLE A 1 describes the OpenBoot firmware configuration variables stored on the system configuration card SCC The OpenBoot configuration variables are printed here in the order in which they appear when you issue the showenv command TABLE A 1 Variable test args diag passes local mac address fcode debug Ssilent mode scsi initiator id oem 1ogo oem banner ansi terminal screen columns screen rows Possible Values variable_name false false false false false false Default Value none false false false false false true 80 34 OpenBoot Configuration Variables Stored on the System Configuration Card Description Default test arguments passed to Open
62. oller on page 34 Logging In To the ALOM System Controller on page 34 About the scadm Utility on page 35 To View Environmental Information on page 36 Controlling the Locator LED on page 37 OpenBoot Emergency Procedures on page 39 Automatic System Recovery on page 41 Enabling and Disabling Automatic System Recovery on page 4 a To Disable Automatic System Recovery on page 45 Obtaining Automatic System Recovery Information on page 46 m Unconfiguring and Reconfiguring Devices on page 46 To Unconfigure a Device Manually on page 46 To Reconfigure a Device Manually on page 48 m Enabling the Hardware Watchdog Mechanism and Its Options on page 49 a Multipathing Software on page 50 Note This chapter does not cover detailed troubleshooting and diagnostic procedures For information about fault isolation and diagnostic procedures refer to the Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx 33 ALOM System Controller The ALOM system controller supports a total of five concurrent sessions per server four connections available through the network management port and one connection through the serial management port Note Some of the ALOM system controller commands are also available through the Solaris scadm utility For more information refer to the Advanced Lights Out Manager 11507 5 G
63. ompt you see when you log in to the system through the serial management port or network management port regardless of system power state Note When you access the ALOM system controller for the first time it forces you to create a user name and password for subsequent access After this initial configuration you will be prompted to enter a user name and password every time you access the ALOM system controller Netra 440 Server System Administration Guide August 2004 Access Through Multiple Controller Sessions Up to five ALOM system controller sessions can be active concurrently one session through the serial management port and up to four sessions through the network management port Users of each of these sessions can issue commands at the sc gt prompt However only one user at a time can access the system console and then only if the system console is configured to be accessible through the serial and network management ports For more information see m Accessing the System Controller on page 16 Activating the Network Management Port on page 17 Any additional ALOM system controller sessions afford passive views of system console activity until the active user of the system console logs out However the console f command if you enable it allows users to seize access to the system console from one another For more information see the Advanced Lights Out Manager User s Guide 817 5481 xx Reaching
64. on screen computer output Password Edit your login file Use 18 a 0 list all files Read Chapter 6 in the User s Guide These are called class options You must be superuser to do this To delete a file type rm filename The settings on your browser might differ from these settings Related Documentation Application Late breaking product information Product description Installation instructions Administration Parts installation and removal Diagnostics and troubleshooting Advanced Lights Out Manager ALOM system controller Title Netra 440 Server Release Notes Netra 440 Server Product Overview Netra 440 Server Installation Guide Netra 440 Server System Administration Guide Netra 440 Server Service Manual Netra 440 Server Diagnostics and Troubleshooting Guide Advanced Lights Out Manager User s Guide Part Number 817 3885 xx 817 3881 xx 817 3882 xx 817 3884 xx 817 3883 xx 817 3886 xx 817 5481 xx Preface xi Accessing Sun Documentation You can view print or purchase a broad selection of Sun documentation including localized versions at http www sun com documentation Third Party Web Sites Sun is not responsible for the availability of third party web sites mentioned in this document Sun does not endorse and is not responsible or liable for any content advertising products or other materials that are available on or through such sites or res
65. oot configuration variables Netra 440 Server Ports Console Devices SERIAL MGT OpenBoot Configuration Variable Settings Line input device ttya output device ttya Alphanumeric NET MGT terminal input device ttyb Terminal System server Console Graphics output device screen Graphics Card monitor FIGURE 1 1 Directing the System Console to Different Ports and Different Devices Default System Console Connection Through the Serial Management and Network Management Ports On Netra 440 servers the system console comes preconfigured to allow input and output only by means of hardware devices connected to the serial or network management ports However because the network management port is not available until you assign it an IP address your first connection must be to the serial management port SERIAL MGT 4 Netra 440 Server System Administration Guide August 2004 Typically you connect one of the following hardware devices to the serial management port Terminal server m Alphanumeric terminal or similar device TIP line connected to another Sun computer This provides for secure access at the installation site ALOM serial management port ff ALOM network management port o s se e e mle LO LOR FIGURE 1 2 Serial Management Port the ALOM System Controller Card Default Console Connection Using a TIP line might be preferable to connecting an alphanumeric
66. ot Numbers Physical Device Names and Logical Device Names To perform a disk hot swap procedure you must know the physical or logical device name for the drive that you want to install or remove If your system encounters a disk error often you can find messages about failing or failed disks in the system console This information is also logged in the var adm messages files These error messages typically refer to a failed hard drive by its physical device name such as devices pci 1f 700000 scsi 2 sde 1 0 or by its logical device name such as c1t140 In addition some applications might report a disk slot number 0 through 3 You can use TABLE 3 1 to associate internal disk slot numbers with the logical and physical device names for each hard drive TABLE 3 1 Disk Slot Numbers Logical Device Names and Physical Device Names Disk Slot Number Logical Device Name Physical Device Name Slot 0 00 devices pci 1f 700000 scsi 2 sd 0 0 Slot 1 00 devices pci l1l 700000 scsi 2 sd 1 0 Slot 2 00 40 668 061 615 2 0 Slot 3 e1eE3do0 devices pci 1f 700000 scsi 2 sd 3 0 The logical device names might appear differently on your system depending on the number and type of add on disk controllers installed To Create a Hardware Disk Mirror Verify which hard drive corresponds with which logical device name and physical device name See Physical Disk Slot Numbers Physical Device Names and Logical Device Names on p
67. ou can get to the ok prompt by typing the L1 A Stop A key sequence from a Sun keyboard If you have an alphanumeric terminal attached to the Netra 440 server press the Break key After forcing the system into OpenBoot firmware control be aware that issuing certain OpenBoot commands like probe scsi probe scsi all or probe ide might hang the system Note These methods of reaching the ok prompt will only work if the system console has been redirected to the appropriate port For details see System Console OpenBoot Configuration Variable Settings on page 31 Chapter 1 Configuring the System Console 1 Externally Initiated Reset XIR Use the ALOM system controller reset x command to execute an externally initiated reset XIR Forcing an XIR might be effective in breaking the deadlock that is hanging up the system However an XIR also precludes the orderly shutdown of applications and so it is not the preferred method of reaching the ok prompt unless you are troubleshooting these types of system hangs Generating an XIR has the advantage of allowing you to issue the sync command to produce a dump file of the current system state for diagnostic purposes For more information refer to Netra 440 Server Diagnostics and Troubleshooting Guide 817 3886 xx m Advanced Lights Out Manager User s Guide 817 5481 xx Caution Because an XIR precludes an orderly shutdown of applications it should only be attempte
68. ources Sun will not be responsible or liable for any actual or alleged damage or loss caused by or in connection with the use of or reliance on any such content goods or services that are available on or through such sites or resources Contacting Sun Technical Support If you have technical questions about this product that are not answered in this document go to http www sun com service contacting Sun Welcomes Your Comments Sun is interested in improving its documentation and welcomes your comments and suggestions You can submit your comments by going to http www sun com hwdocs feedback Please include the title and part number of your document with your feedback Netra 440 Server System Administration Guide part number 817 3884 11 xii Netra 440 Server System Administration Guide August 2004 CHAPTER 1 Configuring the System Console This chapter explains what the system console is describes the different ways of configuring it on a Netra 440 server and helps you understand its relation to the system controller Tasks covered in this chapter include Getting to the ok Prompt on page 13 Accessing the System Controller on page 16 Activating the Network Management Port on page 17 Accessing the System Console Through a Terminal Server on page 19 Accessing the System Console Through a TIP Connection on page 22 Modifying the etc remote File on page 25 Accessing the
69. r 1 Configuring the System Console 3 14 v To Get to the ok Prompt 1 Decide which method you need to use to reach the ok prompt See OpenBoot ok Prompt on page 9 for details 2 Follow the appropriate instructions in TABLE 1 2 TABLE 1 2 Ways of Accessing the ok Prompt Access Method What to Do Graceful shutdown of the Solaris OS From a shell or command tool window issue an appropriate command for example the shutdown or init command as described in Solaris system administration documentation L1 A Stop A keys From a Sun keyboard connected directly to the Netra 440 server Break key press the Stop and A keys simultaneously e From an alphanumeric terminal configured to access the system console press the Break key ALOM system e From the sc gt prompt type the break command The console controller console or break command command also works provided the operating environment software is not running and the server is already under OpenBoot firmware control Externally initiated reset XIR From the sc gt prompt type the reset x command Manual system reset From the sc gt prompt type the reset command Requires the OpenBoot configuration variable input device keyboard For more information see Ac cessing the System Console Through a Local Graphics Monitor on page 29 and System Console OpenBoot Configuration Variable Settings on page 31 Netra
70. r background information about the hardware watchdog mechanism and related externally initiated reset XIR functionality refer to the Netra 440 Server Product Overview 817 3881 xx v To Enable the Hardware Watchdog Mechanism 1 Edit the etc systen file to include the following entry set watchdog_enable 1 2 Bring the system to the ok prompt by typing the following init 0 3 Reboot the system so that the changes can take effect To have the hardware watchdog mechanism automatically reboot the system in case of system hangs At the ok prompt type the following ok setenv error reset recovery boot To generate automated crash dumps in case of system hangs At the ok prompt type the following ok setenv error reset recovery none The sync option leaves you at the ok prompt in order to debug the system For more information about OpenBoot configuration variables see Appendix A Chapter 2 Managing RAS Features and System Firmware 4 Multipathing Software Multipathing software lets you define and control redundant physical paths to I O devices such as storage devices and network interfaces If the active path to a device becomes unavailable the software can automatically switch to an alternate path to maintain availability This capability is known as automatic failover To take advantage of multipathing capabilities you must configure the server with redundant hardware such as redundant network interfa
71. re information about the raidct1 utility see the raidct1 1M man page v To Delete a Hardware Disk Mirror 1 Verify which hard drive corresponds with which logical device name and physical device name See Physical Disk Slot Numbers Physical Device Names and Logical Device Names on page 57 Chapter 3 Managing Disk Volumes 9 2 Determine the name of the mirrored volume Type the following command raidctl RAID RAID Status 0 0 0 In this example the mirrored volume is 5 0 Note The logical device names might appear differently on your system depending on the number and type of add on disk controllers installed 3 To delete the volume type the following command raidctl d mirrored volume For example raidctl 0 0 RAID Volume ci1t0d0 deleted 4 To confirm that you have deleted the RAID array type the following command a For example raidctl No RAID volumes found For more information see the raidct1 1M man page 60 Netra 440 Server System Administration Guide August 2004 v To Perform a Mirrored Disk Hot Plug Operation 1 Verify which hard drive corresponds with which logical device name and physical device name See Physical Disk Slot Numbers Physical Device Names and Logical Device Names on page 57 Caution Ensure that the hard drive OK to Remove LED is lit indicating that the hard drive is offline If the hard drive is still online
72. rmation about the ALOM system controller card refer to the Netra 440 Server Product Overview 817 3881 xx and the Advanced Lights Out Manager User s Guide 817 5481 xx To Use the Serial Management Port Ensure that the serial port on your connecting device is set to the following parameters 9600 baud 8 bits No parity 1 stop bit No handshaking Establish an ALOM system controller session See Advanced Lights Out Manager User s Guide 817 5481 xx for instructions To connect to the system console at the ALOM system controller command prompt type sc gt console The console command switches you to the system console To switch back to the sc gt prompt type the escape sequence ok characters are not echoed to the screen For instructions on how to use the ALOM system controller see the Advanced Lights Out Manager User s Guide 817 5481 xx Activating the Network Management Port You must assign an Internet Protocol IP address to the network management port before you can use it If you are configuring the network management port for the first time you must first connect to the ALOM system controller using the serial management port and assign an IP address to the network management port You can either assign an IP address manually or you can configure the port to obtain an IP address using the Dynamic Host Configuration Protocol DHCP from another server Chapter 1 Configuring the S
73. rmware control The sc gt prompt indicates that you are at the ALOM system controller Note If no text or prompt appears it may be the case that no console messages were recently generated by the system If this happens pressing the terminal s Enter or Return key should produce a prompt To reach the system console from the ALOM system controller type the console command at the sc gt prompt To reach the ALOM system controller from the system console type the system controller escape sequence which by default is pound period For more information see the following a Communicating With the System on page 1 a About the sc gt Prompt on page 8 a OpenBoot ok Prompt on page 9 m Accessing the System Controller on page 16 m Advanced Lights Out Manager User s Guide Accessing the System Controller The following sections describe ways of accessing the system controller Using the Serial Management Port This procedure assumes that the system console is directed to use the serial management and network management ports the default configuration When you are accessing the system console using a device connected to the serial management port your first point of access is the ALOM system controller and its sc gt prompt After connecting to the ALOM system controller you can switch to the system console itself 16 Netra 440 Server System Administration Guide August 2004 For more info
74. rocedure might be necessary if you are accessing the Netra 440 server using a TIP connection from a Sun system running an older version of the Solaris OS software You might also need to perform this procedure if the etc remote file on the Sun system has been altered and no longer contains an appropriate hardwire entry This procedure assumes that you are logged in as superuser to the system console of a Sun system that you intend to use to establish a TIP connection to the Netra 440 server To Modify the etc remote File Determine the release level of Solaris OS software installed on the Sun system Type uname The system responds with a release number Do one of the following depending on the number displayed If the number displayed by the uname r command is 5 0 or higher The Solaris OS software shipped with an appropriate entry for hardwire in the etc remote file If you have reason to suspect that this file was altered and the hardwire entry modified or deleted check the entry against the following example and edit it as needed hardwire dv dev term b br 9600 el C S QO U D ie S 0e D Note If you intend to use the Sun system s serial port A rather than serial port B edit this entry by replacing dev term b with dev term a If the number displayed by the uname r command is less than 5 0 Check the etc remote file and add the following entry if it does not already exist
75. serv s Sun Microsystems Inc a les droits de propri t intellectuels relatants a la technologie qui est d crit dans ce document En particulier et sans la limitation ces droits de propri t intellectuels peuvent inclure un ou plus des brevets am ricains num r s http www sun com patents et un ou les brevets plus suppl mentaires ou les applications de brevet en attente dans les Etats Unis et dans les autres pays Ce produit ou document est prot g par un copyright et distribu avec des licences qui en restreignent l utilisation la copie la distribution et la d compilation Aucune partie de ce produit ou document ne peut tre reproduite sous aucune forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il y ena Le logiciel d tenu par des tiers et qui comprend la technologie relative aux polices de caract res est prot g par un copyright et licenci par des fournisseurs de Sun Des parties de ce produit pourront tre d riv es des syst mes Berkeley BSD licenci s par l Universit de Californie UNIX est une marque d pos e aux Etats Unis et dans d autres pays et licenci e exclusivement par X Open Company Ltd Sun Sun Microsystems le logo Sun AnswerBook2 docs sun com VIS Sun StorEdge Solstice DiskSuite Java SunVTS Netra et Solaris sont des marques de fabrique ou des marques d pos es de Sun Microsystems Inc aux Etats Unis et dans d
76. system controller break command For more information see Reaching the ok Prompt on page 10 Stop N Functionality Stop N functionality is not available However the Stop N functionality can be closely emulated by completing the following steps provided the system console is configured to be accessible using either the serial management port or the network management port v To Restore OpenBoot Configuration Defaults 1 Log in to the ALOM system controller 2 Type the following command sc gt bootmode reset_nvram SC gt SC Alert SC set bootmode to reset_nvram will expire 20030218184441 bootmode Bootmode reset nvram Expires TUE FEB 18 18 44 41 2003 This command resets the default OpenBoot configuration variables 40 Netra 440 Server System Administration Guide August 2004 3 To reset the system type the following command Sc gt reset Are you sure you want to reset the system y n y sc gt console 4 To view console output as the system boots with default OpenBoot configuration variables switch to console mode sc gt console ok 5 Type set defaults to discard any customized IDPROM values and to restore the default settings for all OpenBoot configuration variables Stop F Functionality The Stop F functionality is not available on systems with USB keyboards Stop D Functionality The Stop D Diags key sequence is not supported on systems with USB keyboards However the Stop D functiona
77. ted I O controllers are single and dual fibre channel network adapters including the following PCI Single Fibre Channel Host Adapter Sun part number x6799A PCI Dual Fibre Channel Network Adapter Sun part number x6727A 2GByte PCI Single Fibre Channel Host Adapter Sun part number x6767A 2GByte PCI Dual Fibre Channel Network Adapter Sun part number x6768A Note Sun StorEdge Traffic Manager is not supported for boot disks containing the root file system You can use hardware mirroring or VVM instead See To Create a Hardware Disk Mirror on page 57 and Volume Management Software on page 52 For More Information Refer to the documentation supplied with the VERITAS Volume Manager and Solaris Volume Manager software For more information about Sun StorEdge Traffic Manager refer to your Solaris system administration documentation Chapter 3 Managing Disk Volumes 53 RAID Technology VERITAS Volume Manager and Solstice DiskSuite software support RAID technology to optimize performance availability and cost per user RAID technology reduces recovery time in the event of file system errors and increases data availability even in the event of a disk failure There are several levels of RAID configurations that provide varying degrees of data availability with corresponding trade offs in performance and cost This section describes some of the most popular and useful of those configurations including Disk co
78. tem attempts to boot if auto boot 18 true a If only nonfatal errors are detected by POST or OpenBoot Diagnostics the system attempts to boot if auto boot is true and auto boot on error is true Nonfatal errors include the following Ultra 4 SCSI subsystem failure In this case a working alternate path to the boot disk is required For more information see Multipathing Software on page 50 Ethernet interface failure USB interface failure Serial interface failure PCI card failure Memory failure Given a failed DIMM the firmware will unconfigure the entire logical bank associated with the failed module Another nonfailing logical bank must be present in the system for the system to attempt a degraded boot For more information refer to the Netra 440 Server Product Overview 817 3881 XX Note If POST or OpenBoot Diagnostics detects a nonfatal error associated with the normal boot device the OpenBoot firmware automatically unconfigures the failed device and tries the next in line boot device as specified by the diag device configuration variable m Ifa fatal error is detected by POST or OpenBoot Diagnostics the system does not boot regardless of the settings of auto boot or auto boot on error Fatal nonrecoverable errors include the following Any CPU failed All logical memory banks failed Flash RAM cyclical redundancy check CRC failure Critical field replaceable unit FRU PROM configuration data failur
79. ter I O throughput by automatically balancing the I O load uniformly across multiple I O paths to each disk device Sun StorEdge Traffic Manager A newer alternative to DMP that is also supported by the Netra 440 server is Sun StorEdge Traffic Manager software Sun StorEdge Traffic Manager is a server based dynamic path failover software solution used to improve the overall availability of business applications Sun StorEdge Traffic Manager previously known as multiplexed input output or MPxIO is included in the Solaris OS 52 Netra 440 Server System Administration Guide August 2004 The Sun StorEdge Traffic Manager software integrates multiple path I O capabilities automatic load balancing and path failover functions into one package for Sun servers connected to supported Sun StorEdge systems Sun StorEdge Traffic Manager can provide you with increased system performance and availability for building mission critical storage area networks SANS The Sun StorEdge Traffic Manager architecture provides the following capabilities Helps protect against I O outages due to I O controller failures Should one I O controller fail Sun StorEdge Traffic Manager automatically switches to an alternate controller Increases I O performance by load balancing across multiple I O channels Sun StorEdge T3 Sun StorEdge 3510 and Sun StorEdge A5x00 storage arrays are all supported by Sun StorEdge Traffic Manager on a Netra 440 server Suppor
80. tion 3 7 multiple view sessions 9 redirecting output to t tyb terminal server connection 21 sc gt prompt switching between 15 setting OpenBoot configuration variables for 31 system reset scenarios 44 system status LEDs Locator 37 38 T terminal server accessing system console from 5 19 connection through patch panel 19 pinouts for crossover cable 20 tip Solaris command 23 tip connection accessing system console 22 accessing terminal server 22 ttyb port redirecting console output terminal server connection 21 verifying baud rate 28 verifying settings on 28 ttyb mode OpenBoot configuration variable 28 U uadmin Solaris command 11 uname Solaris command 25 uname r Solaris command 25 V VERITAS Volume Manager 52 53 volume management software 52 X XIR See externally initiated reset XIR Index 81 82 Netra 440 Server System Administration Guide August 2004
81. tion Guide August 2004 TABLE 1 1 TABLE 1 2 TABLE 1 3 TABLE 1 4 TABLE 2 1 TABLE 2 2 TABLE 3 1 TABLE A 1 Tables Ways of Communicating With the System 2 Ways of Accessing the ok Prompt 14 Pin Crossovers for Connecting to a Typical Terminal Server 20 OpenBoot Configuration Variables That Affect the System Console 31 Stop Key Command Functions for Systems With Standard Non USB Keyboards 39 Device Identifiers and Devices 47 Disk Slot Numbers Logical Device Names and Physical Device Names 7 OpenBoot Configuration Variables Stored on the System Configuration Card 67 vil viii Netra 440 Server System Administration Guide August 2004 Preface The Netra 440 Server System Administration Guide is written for experienced system administrators It includes general descriptive information about the Netra 440 server and detailed instructions for configuring and administering the server To use the information in this manual you must have working knowledge of computer network concepts and terms and advanced familiarity with the Solaris Operating System Solaris OS How This Book Is Organized The Netra 440 Server System Administration Guide is divided into the following chapters Chapter 1 describes the system console and how to access it Chapter 2 describes the tools used to configure system firmware including Sun Advanced Lights Out Manager ALOM system controller environmental
82. tion Guide August 2004 CHAPTER 3 Managing Disk Volumes This chapter describes redundant array of independent disks RAID concepts how to manage disk volumes and how to configure hardware mirroring using the on board Ultra 4 SCSI controller This chapter contains the following sections Disk Volumes on page 51 Volume Management Software on page 52 RAID Technology on page 54 Hardware Disk Mirroring on page 56 Physical Disk Slot Numbers Physical Device Names and Logical Device Names on page 57 To Create a Hardware Disk Mirror on page 57 To Delete a Hardware Disk Mirror on page 59 To Perform a Mirrored Disk Hot Plug Operation on page 61 To Perform a Non Mirrored Disk Hot Swap Operation on page 62 Disk Volumes Disk volumes are logical disk devices comprising one or more physical disks or partitions from several different disks Once you create a volume the operating system uses and maintains the volume as if it were a single disk By providing this logical volume management layer the software overcomes the restrictions imposed by physical disk devices Sun s volume management products also provide RAID data redundancy and performance features RAID is a technology that helps protect against disk and hardware failures Through RAID technology volume management software is able to provide high data availability excellent I O performance and simplified administr
83. tting Command to execute following a system reset generated by an error Appendix OpenBoot Configuration Variables 9 70 Netra 440 Server System Administration Guide August 2004 APPENDIX B Alarm Relay Output Application Programming Interface This appendix provides a sample program that illustrates how to get set the status of the alarms The application can use LOMIOCALSTATE ioctl to obtain the status of each alarm and LOMIOCALCTL ioctl to set them individually For more details on the Alarm Indicators refer to the Netra 440 Server Service Manual 817 3883 xx CODE EXAMPLE B 1 Example Program for get set Status of the Alarms include lt sys types h gt include lt string h gt include lt stdlib h gt include lt sys unistd h gt include lt fcntl h gt include lom_io h define ALARM INVALID 1 define LOM DEVICE dev lom static void usage static void get_alarm const char alarm static int set_alarm const char alarm const char alarmval static int parse_alarm const char alarm static int bom 001 CINE 106 Char bur static char get_alarmval int state static void get_alarmvals main int argc Char argv 11 arge lt 3 4 usage if argo 41 71 CODE EXAMPLE 81 Example Program for get set Status of the Alarms Continued include lt sys types h gt get_alarmvals ext Cl if Stremptargv oet 0 if arge Vey 3 usage
84. u have installed For detailed hardware instructions see Accessing the System Console Through a Local Graphics Monitor on page 29 Note POST diagnostics cannot display status and error messages to a local graphics monitor Chapter 1 Configuring the System Console 7 8 About the sc gt Prompt The ALOM system controller runs independently of the Netra 440 server and regardless of system power state When you connect a Netra 440 server to AC power the ALOM system controller immediately starts up and begins monitoring the system Note To view ALOM system controller boot messages you must connect an alphanumeric terminal to the serial management port before connecting the AC power cords to the Netra 440 server You can log in to the ALOM system controller at any time regardless of system power state as long as AC power is connected to the system and you have a way of interacting with the system You can also access the ALOM system controller prompt sc gt from the OpenBoot ok prompt or from the Solaris or 3 prompt provided the system console is configured to be accessible through the serial management and network management ports For more information see the following a Getting to the ok Prompt on page 13 a Switching Between the ALOM System Controller and the System Console on page 15 The sc gt prompt indicates that you are interacting with the ALOM system controller directly It is the first pr
85. uide 817 5481 xx After you log in to your ALOM account the ALOM system controller command prompt sc gt appears and you can enter ALOM system controller commands If the command you want to use has multiple options you can either enter the options individually or grouped together as shown in the following example The commands are identical sc gt poweroff f y sc gt poweroff fy Logging In To the ALOM System Controller All environmental monitoring and control is handled by the ALOM system controller The ALOM system controller command prompt sc gt provides you with a way of interacting with the system controller For more information about the sc gt prompt see About the sc gt Prompt on page 8 For instructions on connecting to the ALOM system controller see m Accessing the System Controller on page 16 Activating the Network Management Port on page 17 Note This procedure assumes that the system console is directed to use the serial management and network management ports the default configuration 34 Netra 440 Server System Administration Guide August 2004 To Log In To the ALOM System Controller If you are logged in to the system console type to get to the sc gt prompt Press the pound sign key followed by the period key Then press the Return key At the ALOM login prompt enter the login name and press Return The default login name is admin Sun tm Advanced L
86. ut the sc gt Prompt 8 Access Through Multiple Controller Sessions 9 Reaching the sc gt Prompt 9 OpenBoot ok Prompt 9 Reaching the ok Prompt 10 For More Information 13 Getting to the ok Prompt 3 Switching Between the ALOM System Controller and the System Console 15 Accessing the System Controller 16 Using the Serial Management Port 16 Activating the Network Management Port 17 Accessing the System Console Through a Terminal Server 19 Accessing the System Console Through a TIP Connection 22 Modifying the etc remote File 25 Accessing the System Console Through an Alphanumeric Terminal 6 Verifying Serial Port Settings TTYB 28 Accessing the System Console Through a Local Graphics Monitor 29 System Console OpenBoot Configuration Variable Settings 31 2 Managing RAS Features and System Firmware 3 ALOM System Controller 34 Logging In To the ALOM System Controller 4 About the scadm Utility 5 Controlling the Locator LED 37 OpenBoot Emergency Procedures 39 OpenBoot Emergency Procedures for Systems With Non USB Keyboards 39 OpenBoot Emergency Procedures for Systems With USB Keyboards 0 Automatic System Recovery 41 Auto Boot Options 42 Error Handling Summary 43 Reset Scenarios 44 Automatic System Recovery User Commands 44 Enabling and Disabling Automatic System Recovery 44 Obtaining Automatic System Recovery Information 46 Unconfiguring and Reconfiguring Devices 46 Enabling the Hardware Watchdog Mechanism and Its Options 49 Multipat
87. y default the system comes up under OpenBoot firmware control before the operating system is installed The system boots to the ok prompt when the auto boot OpenBoot configuration variable is set to false The system transitions to run level 0 in an orderly way when the operating system is halted The system reverts to OpenBoot firmware control when the operating system crashes During the boot process when there is a serious hardware problem that prevents the operating system from running the system reverts to OpenBoot firmware control When a serious hardware problem develops while the system is running the operating system transitions smoothly to run level 0 You deliberately place the system under firmware control in order to execute firmware based commands or to run diagnostic tests It is the last of these scenarios which most often concerns you as an administrator since there will be times when you need to reach the ok prompt Several ways to do this are outlined in Reaching the ok Prompt on page 10 For detailed instructions see Getting to the ok Prompt on page 13 Reaching the ok Prompt There are several ways to reach the ok prompt depending on the state of the system and the means by which you are accessing the system console In order of desirability these are Graceful shutdown ALOM system controller break or console command L1 A Stop A keys or Break key Externally initi
88. you risk removing the disk during a read write operation which could result in data loss 2 To confirm a failed disk type the following command e For example raidctl RAID RAID Disk Volume Status Status 0 DEGRADED 0 20 DEGRADED This example indicates that the disk mirror has degraded due to a failure in disk cle200 Note The logical device names might appear differently on your system depending on the number and type of add on disk controllers installed 3 Remove the hard drive as described in the Netra 440 Server Service Manual There is no need to issue a software command to bring the drive offline when the drive has failed and the OK to Remove LED is lit 4 Install a new hard drive as described in the Netra 440 Server Service Manual The RAID utility automatically restores the data to the disk Chapter 3 Managing Disk Volumes 61 5 To check the status of a RAID rebuild type the following command a For example raidctl RAID RAID Status c1t1 ido RESYNCING c1tido c1t2d0 This example indicates that RAID volume c1t1d0 is resynchronizing If you issue the command again some minutes later it indicates that the RAID mirror is finished resynchronizing and is back online raidctl RAID RAID Disk Volume Status Status 0 0 For more information see the raidct1 1M man page v To Perform a Non Mirrored Disk Hot Swap Operation 1 Verify which hard drive corresponds with
89. ystem Console 7 Data centers frequently devote a separate subnet to system management If your data center has such a configuration connect the network management port to this subnet Note The network management port is a 10BASE T port The IP address assigned to the network management port is a unique IP address separate from the main Netra 440 server IP address and is dedicated for use only with the ALOM system controller For more information see the Netra 440 Server Product Overview v To Activate the Network Management Port 1 Connect an Ethernet cable to the network management port 2 Log in to the ALOM system controller through the serial management port For more information about connecting to the serial management port see Accessing the System Controller on page 16 3 Type one of the following commands If your network uses static IP addresses type if network true netsc_ipaddr ip address netsc_ipnetmask ip address netsc_ipgateway ip address If your network uses Dynamic Host Configuration Protocol DHCP type sc gt setsc netsc_dhcp 4 Enter the following so that the new settings will take affect sc gt resetsc 5 To verify the network settings type sc gt shownetwork 6 Log out of the ALOM system controller session 18 Netra 440 Server System Administration Guide August 2004 To connect through the network management port use the telnet command to the IP address you spe

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