Sun Fire V445 Server Administration Guide - SCN Research

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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 administration. About Volume Management Software Volume management software lets you create disk volumes. Sun Microsystems offers two different volume management applications for use on the Sun Fire V445 server: ■ Solaris Volume Manager software ■ VERITAS 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 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, VERITAS Volume Manager continues to access the data over the remaining connections. This multipathing capability also provides greater I/O throughput by automatically balancing the I/O load uniformly across multiple I/O paths to each disk device. 112 Sun Fire V445 Server Administration Guide • August 2006
Sun StorEdge Traffic Manager A newer alternative to DMP that is also supported by the Sun Fire V445 server is Sun StorEdge Traffic Manager software. Sun StorEdge Traffic Manager is a serverbased 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. 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 Sun Fire V445 server. Supported 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 VERITAS Volume Manager instead. See “Creating a Hardware Disk Mirror” on page 118 and “About Volume Management Software” on page 112. Refer to the documentation supplied with the VERITAS Volume Manager and Solaris Volume Manager software. For more information about Sun StorEdge Traffic Manager, see your Solaris system administration documentation. Chapter 6 Managing Disk Volumes 113
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Sun Fire V445 Server Administratio
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Contents Preface xxi 1. System Over
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Ways of Reaching the sc> Prompt 32
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Memory Interleaving 70 Independent
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▼ To Enable the Hardware Watchdog
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Reference for Estimating System Boo
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About Sun Management Center 204 How
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Reference for Clearance and Service
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Figures FIGURE 1-1 Front Panel Feat
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Tables TABLE 1-1 Sun Fire V445 Serv
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Preface The Sun Fire V445 Server Ad
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Typographic Conventions TABLE P-1 T
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http://www.sun.com/hwdocs/feedback
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CHAPTER 1 System Overview This chap
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TABLE 1-1 Feature Sun Fire V445 Ser
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RAID 0,1 Internal Hard Drives Inter
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technology enables Sun systems to a
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For information about front panel c
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For hard disk drive indicator descr
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SAS Disk Drives The system has up t
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Locating Back Panel Features The il
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PCI0 PCI1 PCI6 PCI7 PCI2 PCI3 PCI5
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Serial Management Port The serial m
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Reliability, Availability, and Serv
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CHAPTER 2 Configuring the System Co
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TABLE 2-1 Ways of Communicating Wit
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Default System Console Connection T
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Access Through the Network Manageme
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About the sc> Prompt The ALOM syste
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About the ok Prompt A Sun Fire V445
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L1-A (Stop-A) Keys or Break Key Whe
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System Console ok NET MGT or SERIAL
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4. Refer to TABLE 2-2 for instructi
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Note - The network management port
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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2. To cause the changes to take eff
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3. In a shell tool window on the Su
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Modifying the /etc/remote File This
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Accessing the System Console With a
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If you have redirected the system c
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6. Obtain the ok prompt. For more i
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CHAPTER 3 Powering On and Powering
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Powering On the Server Locally Do n
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Page 89 and 90: the OS to recognize the configurati
Page 91 and 92: If the system encounters a problem
Page 93 and 94: CHAPTER 4 Configuring Hardware This
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Page 97 and 98: DIMM Configuration Rules ■ ■
Page 99 and 100: Caution - Although access to the AL
Page 101 and 102: ■ your configuration requires a h
Page 103 and 104: PCI0 PCI1 PCI6 PCI7 PCI3 PCI2 PCI5
Page 105 and 106: About the SAS Backplane The Sun Fir
Page 107 and 108: For additional information, see “
Page 109 and 110: The Solaris Volume Manager software
Page 111 and 112: A power supply can be hot-swapped o
Page 113 and 114: FIGURE 4-7 System Fan Trays and Fan
Page 115 and 116: About the USB Ports The system fron
Page 117 and 118: CHAPTER 5 Managing RAS Features and
Page 119 and 120: power supplies, fan trays, and USB
Page 121 and 122: detects the failure and generates a
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Page 125 and 126: For instructions on connecting to t
Page 127 and 128: Viewing Environmental Information U
Page 129 and 130: ● From the ALOM system controller
Page 131 and 132: 4. To view console output as the sy
Page 133 and 134: TABLE 5-1 Device Identifiers and De
Page 135 and 136: ▼ To Enable the Hardware Watchdog
Page 137: CHAPTER 6 Managing Disk Volumes Thi
Page 141 and 142: RAID 0 - Disk Striping Disk stripin
Page 143 and 144: Caution - Creating or restoring a d
Page 145 and 146: 2. Type the following command: # ra
Page 147 and 148: 3. To confirm that you have deleted
Page 149 and 150: 4. To check the status of a RAID re
Page 151 and 152: Note that while you can use the Sol
Page 153 and 154: 6. To verify that the new disk driv
Page 155 and 156: CHAPTER 7 Managing Network Interfac
Page 157 and 158: Attaching a Twisted-Pair Ethernet C
Page 159 and 160: During installation of the Solaris
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Page 163 and 164: CHAPTER 8 Diagnostics This chapter
Page 165 and 166: TABLE 8-1 Summary of Diagnostic Too
Page 167 and 168: TABLE 8-2 Component What ALOM Monit
Page 169 and 170: About Status Indicators For a summa
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Page 173 and 174: TABLE 8-3 OpenBoot Configuration Va
Page 175 and 176: Note that service mode does not cha
Page 177 and 178: When you are deciding whether to en
Page 179 and 180: If you specify settings for neither
Page 181 and 182: If you need to know the approximate
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Page 185 and 186: CODE EXAMPLE 8-1 Executing Power On
Page 187 and 188: System Reset skip_diag System Contr
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TABLE 8-6 Summary of Diagnostic Ope
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4. You can also run all tests, type
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To customize an individual test, yo
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The following is sample output from
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show-devs Command The show-devs com
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Use the following web site to inter
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# fmdump TIME UUID SUNW-MSG-ID Jul
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# fmstat module ev_recv ev_acpt wai
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Using the prtconf Command The prtco
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CODE EXAMPLE 8-7 prtdiag Command Ou
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CODE EXAMPLE 8-7 MB/FT0/F0 TACH oka
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The prtfru command can display this
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CODE EXAMPLE 8-12 prtfru -c Command
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When used with the -p option, this
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▼ To View and Set OpenBoot Config
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Using the probe-ide Command To Conf
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If the kernel hangs and the watchdo
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Error Handling Summary Error handli
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Automatic System Restoration User C
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About SunVTS SunVTS is a software s
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TABLE 8-12 SunVTS Test vmemtest env
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TABLE 8-14 Feature Sun Management C
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Interoperability With Third-Party M
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CHAPTER 9 Troubleshooting This chap
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■ ■ Sun System Handbook - A doc
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About Sun Remote Services Net Conne
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Remote Troubleshooting Capabilities
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core dump directory to another loca
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4. Type the df -k1 command to ident
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APPENDIX A Connector Pinouts This a
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Network Management Connector Diagra
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Reference for the USB Connectors Tw
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APPENDIX B System Specifications Th
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TABLE B-2 Electrical Specifications
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Reference for Clearance and Service
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APPENDIX C OpenBoot Configuration V
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TABLE C-1 OpenBoot Configuration Va
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Index Symbols /etc/hostname file, 1
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dual inline memory modules (DIMMs),
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configuring IP address, 41 configur
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SEAM (Sun Enterprise Authentication
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W watchdog, hardware, See hardware
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