IBM AIX Continuous Availability Features - IBM Redbooks

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142 IBM AIX Continuous Availability Features
Abbreviations and acronyms ACL Access Control List AIX Advanced Interactive eXecutive AMR Authority Mask Register API Application Programming Interface ARP Address Resolution Protocol ATS Advanced Technical Support BOS Base Operating System CPU Central Processing Unit CSM Cluster Systems Management CT Component Trace DLPAR Dynamic LPAR DMA Direct Memory Access DR Disaster Recovery FFDC First Failure Data Capture FRU Field Replaceable Unit GLVM Geographical Logical Volume Manager GPFS General Parallel File System HACMP High Availability Cluster Multi-Processing HACMP/XD HACMP eXtended Distance HMC hardware Management Console IBM International Business Machines Corporation IP Internet Protocol IPC Inter-Process Communication ITSO International Technical Support Organization JFS Journaled File System LAN Local Area Network LDAP Lightweight Directory Access Protocol LFS Logical File System LMT Lightweight Memory Trace LPAR Logical Partition LUN Logical Unit Number LVM Logical Volume Manager MAC Media Access Control MMU Memory Management Unit MPIO Multi-Path Input/Output NFS Network File System NIM Network Installation Manager ODM Object Data Manager PCI Peripheral Component Interconnect PCM Path Control Module PFT Page Frame Table PURR Processor Utilization Resource Register RAS Reliability, Availability, Serviceability RM Resource Manager RMC Resource Monitoring and Control RSCT Reliable Scalable Clustering Technology RTEC Real Time Error Checking SAN Storage Area Network SCSI Small Computer System Interface SDD Subsystem Device Driver (Storage) SEA Shared Ethernet Adapter SFDC Second Failure Data Capture SMIT System Management Interface Tool SMP Symmetric Multi-Processing SPOF Single Point of Failure SRC System Resource Controller SUE System Unrecoverable Error TCP Transmission Control Protocol TCP/IP Transmission Control Protocol/Internet Protocol TL Technology Level TLB Transaction Look-aside Buffer VGDA Volume Group Descriptor Area VIOS Virtual I/O Server VIPA Virtual IP Address VLAN Virtual LAN VMM Virtual Memory Manager VMX Vector Multimedia eXtension VPD Vital Product Data WLM Workload Manager WPAR Workload Partition © Copyright IBM Corp. 2008. All rights reserved. 143
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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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extension key-aware is determining
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added a protection gate for the int
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Page 108 and 109: } param=atoi(*(argv+1)); printf("Te
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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
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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
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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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