Sun Microsystems 440 - Manuals

v Figures FIGURE 1-1 Directing the System Console to Different Ports and Different Devices 4 FIGURE 1-2 Serial Management Port on the ALOM System Controller Card–Default Console Connection 5 FIGURE 1-3 Alternative Console Ports (Require Additional Configuration) 6 FIGURE 1-4 Separate System Console ...

vii Tables TABLE 1-1 Ways of Communicating With the System 2 TABLE 1-2 Ways of Accessing the ok Prompt 14 TABLE 1-3 Pin Crossovers for Connecting to a Typical Terminal Server 20 TABLE 1-4 OpenBoot Configuration Variables That Affect the System Console 31 TABLE 2-1 Stop Key Command Functions for Syst...

ix Preface The Netra 440 Server System Administration Guide is written for experienced system administrators. It includes general descriptive information about the Netra TM 440 server and detailed instructions for configuring and administering the server. To use the information in this manual, you m...

x Netra 440 Server System Administration Guide • August 2004 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 docum...

Preface xi Typographic Conventions Related Documentation Typeface * * The settings on your browser might differ from these settings. Meaning Examples AaBbCc123 The names of commands, files, and directories; on-screen computer output Edit your .login file. Use ls -a to list all files. % You have mail...

xii Netra 440 Server System Administration Guide • August 2004 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 ...

1 C H A P T E R 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”...

Chapter 1 Configuring the System Console 3 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. F...

6 Netra 440 Server System Administration Guide • August 2004 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 ...

Chapter 1 Configuring the System Console 7 ■ If you have directed the system console to ttyb , you cannot use this port for any other serial device. ■ In a default configuration, the serial management and network management ports allow you to open up to four additional windows through which you can ...

8 Netra 440 Server System Administration Guide • August 2004 About the sc> 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 begi...

Chapter 1 Configuring the System Console 9 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 ca...

Chapter 1 Configuring the System Console 11 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 ...

12 Netra 440 Server System Administration Guide • August 2004 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 als...

Chapter 1 Configuring the System Console 13 Although 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 opera...

14 Netra 440 Server System Administration Guide • August 2004 ▼ 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 Acces...

16 Netra 440 Server System Administration Guide • August 2004 The prompt displayed on the terminal or shell tool tells you which “channel” you are accessing: ■ 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...

Chapter 1 Configuring the System Console 17 For more information 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 1. Ensure that the serial port on ...

18 Netra 440 Server System Administration Guide • August 2004 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...

Chapter 1 Configuring the System Console 19 To connect through the network management port, use the telnet command to the IP address you specified in Step 3 of the preceding procedure. Accessing the System Console Through a Terminal Server The following procedure assumes that you are accessing the s...

Chapter 1 Configuring the System Console 21 2. Open a terminal session on the connecting device, and type: 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: 3. If you want to use TTYB instead of the serial management po...

22 Netra 440 Server System Administration Guide • August 2004 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 se...

Chapter 1 Configuring the System Console 23 ▼ To Access the System Console Through the TIP Connection 1. 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 manage...

Chapter 1 Configuring the System Console 25 Modifying the /etc/remote File This procedure 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 /e...

26 Netra 440 Server System Administration Guide • August 2004 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 N...

28 Netra 440 Server System Administration Guide • August 2004 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 alwa...

Chapter 1 Configuring the System Console 29 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 insta...

34 Netra 440 Server System Administration Guide • August 2004 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 o...

Chapter 2 Managing RAS Features and System Firmware 35 ▼ To Log In To the ALOM System Controller 1. If you are logged in to the system console, type #. to get to the sc> prompt. Press the pound sign key, followed by the period key. Then press the Return key. 2. At the ALOM login prompt, enter the...

36 Netra 440 Server System Administration Guide • August 2004 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 synt...

Chapter 2 Managing RAS Features and System Firmware 37 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 env...

38 Netra 440 Server System Administration Guide • August 2004 ● To turn off the Locator LED, do one of the following: ■ In the Solaris OS, log in as superuser and type the following command: ■ From the ALOM system controller command prompt, type: ● To display the state of the Locator LED, do one of ...

Chapter 2 Managing RAS Features and System Firmware 39 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 t...

40 Netra 440 Server System Administration Guide • August 2004 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 avail...

Chapter 2 Managing RAS Features and System Firmware 41 3. To reset the system, type the following command: 4. To view console output as the system boots with default OpenBoot configuration variables, switch to console mode. 5. Type set-defaults to discard any customized IDPROM values and to restore ...

Chapter 2 Managing RAS Features and System Firmware 43 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 system attempts to boot if auto-boot? is true . ■ If only nonfatal e...

44 Netra 440 Server System Administration Guide • August 2004 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 bypasse...

Chapter 2 Managing RAS Features and System Firmware 45 2. Set the obdiag-trigger variable to any combination of power-on-reset , error-reset , and user-reset . For example, type: Note – For more information about OpenBoot configuration variables, refer to the Netra 440 Server Diagnostics and Trouble...

46 Netra 440 Server System Administration Guide • August 2004 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: In the .asr command output, any devices marked ...

48 Netra 440 Server System Administration Guide • August 2004 ■ To create your own device alias for a physical device, type: 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 ...

Chapter 2 Managing RAS Features and System Firmware 49 Enabling the Hardware Watchdog Mechanism and Its Options For 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). ▼...

50 Netra 440 Server System Administration Guide • August 2004 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 automati...

51 C H A P T E R 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...

52 Netra 440 Server System Administration Guide • August 2004 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: ■ VERITAS Volume Manager (VVM) software ■ Solaris™ V...

54 Netra 440 Server System Administration Guide • August 2004 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 increa...

Chapter 3 Managing Disk Volumes 55 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 ...

56 Netra 440 Server System Administration Guide • August 2004 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 informati...

Chapter 3 Managing Disk Volumes 57 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 o...

Chapter 3 Managing Disk Volumes 59 3. To check the status of a RAID mirror, type the following command: 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. Under RAID 1 (disk ...

Chapter 3 Managing Disk Volumes 61 ▼ 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 ...

62 Netra 440 Server System Administration Guide • August 2004 5. To check the status of a RAID rebuild, type the following command: For example: 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 ...

64 Netra 440 Server System Administration Guide • August 2004 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 cont...

Chapter 3 Managing Disk Volumes 65 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: Note that c1t3d0 is now unavailable and unconfigured . The corresponding hard drive OK-to-Remove LED is lit...

66 Netra 440 Server System Administration Guide • August 2004 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: Note that c1t3d0 is now listed as configured . # cfgadm -al Ap_Id Type Receptacle Occupant Condi...

67 A P P E N D I X 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...

77 Index SYMBOLS /etc/remote file, 23 modifying, 25 A Activity (disk drive LED), 65Advanced Lights Out Manager (ALOM) commands, See sc> prompt escape sequence (#.), 9 logging in, 34 multiple connections to, 9 sc> prompt, See sc> prompt alarm get status, 71 to 75 relay output API, 71 to 75 s...