IBM AIX Continuous Availability Features - IBM Redbooks

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138 IBM AIX Continuous Availability Features
Appendix A. AIX features availability Table A-1 lists AIX RAS tools availability. Table A-1 AIX RAS tools availability A Name AIX version Hardware required Dynamic Logical Partitioning (DLPAR) (AIX Related to hardware) 5.1 POWER4,5 CPU Guard 5.2 POWER4 CPU Sparing 5.2 POWER6 Predictive CPU Deallocation and Dynamic Processor Deallocation 5.3 +2 CPU Processor recovery and alternate processor 5.3 POWER6 Excessive Interrupt Disablement Detection 5.3 ML3 Memory Page Deallocation 5.3 ML3 POWER5 and later System Resource Controller (SRC) All versions PCI hot plug management 5.1 Reliable Scalable Cluster Technology (RSCT) Subsystem All versions Synchronous Unrecoverable Errors (SUE) 5.2 POWER4 and later Automated system hang recovery 5.2 Run-Time Error Checking (RTEC) 5.3 TL3 Kernel Stack Overflow Detection 5.3 TL5 Kernel No-Execute Protection 5.3 TL5 Extended Error Handling (EEH) 5.3 TL5 Page space verification 6.1 User Storage Keys 5.3 TL5 POWER6 Kernel Storage Keys 6.1 POWER6 © Copyright IBM Corp. 2008. All rights reserved. 139
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Front cover IBM AIX Continuous Avai
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Note: Before using this information
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2.3.7 Minidump . . . . . . . . . .
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vi IBM AIX Continuous Availability
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Trademarks The following terms are
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Engineering degree in Computer Scie
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Find out more about the residency p
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1.1 Overview In May 2007, IBM intro
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1.5 Continuous operations Continuou
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1.6.2 Availability 1.6.3 Serviceabi
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IBM has tried to enhance FFDC featu
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10 IBM AIX Continuous Availability
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2.1 System availability AIX is buil
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On AIX 5.3, the only way to persist
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When used on a standalone server (s
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mirrored volume group on the client
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2.2.1 Error checking Run-Time Error
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The PowerPC hardware gives software
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System dumps can also be user-initi
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Live dumps are small dumps that do
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Trace is a valuable tool for observ
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Component Trace uses mechanisms sim
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2.3.14 syslog To display the boot l
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Logging can be added to many of the
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compression: on path specification:
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2.4.4 EtherChannel network traffic
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2.4.6 2-Port Adapter-based Ethernet
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operations) without affecting produ
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Quorum A quorum is a vote of the nu
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2.5.8 Journaled File System-related
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Fast I/O failure is controlled by a
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display its output in a format suit
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For more detailed information about
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54 IBM AIX Continuous Availability
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3.1 AIX Reliability, Availability,
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This means that traditional AIX sys
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used by IBM service personnel, so t
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also be used to obtain a snapshot o
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3.5 Live dump and component dump Li
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lfs filesystem ._0 | NO | ON/3 | OF
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.vmker | YES | ON/3 | OFF/3 .vmpool
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The output of Start a Live Dump is
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Table 3-3 Concurrent update termino
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We tested the installation of an ef
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Setting efix state to: STABLE +----
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mode, storage keys are called user
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Example 3-19 shows the SMIT menu fo
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might share a given hardware key. M
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KKEY_UPUBLIC, KKEY_FILE_DATA KKEY_U
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Note: Kernel keys and keysets, whic
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Page 104 and 105: added a protection gate for the int
Page 106 and 107: } printf("hardware keyset after KER
Page 108 and 109: } param=atoi(*(argv+1)); printf("Te
Page 110 and 111: Load the kernel extension so that a
Page 112 and 113: 3 : 000000000000000A r4 : F10006C00
Page 114 and 115: 3.7.7 User mode protection keys Use
Page 116 and 117: ► The APIs provided by the system
Page 118 and 119: if (!strcmp(*(argv+1),"read")){ if
Page 120 and 121: strlen() at 0xd010da00 _doprnt(??,
Page 122 and 123: int pthread_attr_setukeyset_np (pth
Page 124 and 125: Machine State Save Area iar : 00000
Page 126 and 127: As a consequence, determining the r
Page 128 and 129: A Vue script or Vue program is a pr
Page 130 and 131: ► An optional predicate The predi
Page 132 and 133: 3. Interval probe manager The inter
Page 134 and 135: { int count; count = count +1; prin
Page 136 and 137: ► Errno names ► Signal names
Page 138 and 139: * will result in error out of read(
Page 140 and 141: This places a large part of the bur
Page 142 and 143: Note: The frequency of checks made
Page 144 and 145: Non-fragments 00000066 Promotions 0
Page 146 and 147: immediately after the returned stor
Page 148 and 149: This option should be used with car
Page 150 and 151: 3.9.6 KDB commands for XMDBG ► xm
Page 154 and 155: Name AIX version Hardware required
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Page 160 and 161: Online resources These Web sites ar
Page 162 and 163: sysdumpdev 27 tprof 28 trace 28 trc
Page 164: subsequent reboot 71, 133 SUE 18 Sy
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