在rac环境中，HACMP的vg为unconcurrent状态，是多么糟糕的一件事，而这个不幸就在某生产系统上发生了。环境介绍：AIX6.1的系统，使用的是EMCCLARiiON存储，oracl
环境介绍：
AIX 6.1的系统，使用的是EMC CLARiiON存储，oracle10.2.0.5
问题状况：
先看下各个卷组的状态
data03vg
lsvg data03vg VOLUME GROUP:data03vgVG IDENTIFIER: 00f79d1100004c00000001386f00edfb VG STATE:activePP SIZE:128 megabyte (s) VG PERMISSION:read/writeTOTAL PPs:5315 (680320 megabytes) MAX LVs:512FREE PPs:711 (91008 megabytes) LVs:78USED PPs:4604 (589312 megabytes) OPEN LVs:0QUORUM:3 (Enabled) TOTAL PVs:5VG DESCRIPTORS: 5 STALE PVs:0STALE PPs:0 ACTIVE PVs:5AUTO ON:no Concurrent:Enhanced-CapableAuto-Concurrent: Disabled VG Mode:Non-Concurrent MAX PPs per VG:130048 MAX PPs per PV:2032MAX PVs:64 LTG size (Dynamic): 1024 kilobyte(s)AUTO SYNC:no HOT SPARE:noBB POLICY:relocatable PV RESTRICTION:noneINFINITE RETRY: no
data01vg
lsvg data01vg VOLUME GROUP:data01vgVG IDENTIFIER: 00f79d1100004c00000001386effcc48 VG STATE:activePP SIZE:128 megabyte (s) VG PERMISSION:read/writeTOTAL PPs:6378 (816384 megabytes) MAX LVs:512FREE PPs:1146 (146688 megabytes) LVs:88USED PPs:5232 (669696 megabytes) OPEN LVs:0QUORUM:4 (Enabled) TOTAL PVs:6VG DESCRIPTORS: 6 STALE PVs:0STALE PPs:0 ACTIVE PVs:6AUTO ON:no Concurrent:Enhanced-CapableAuto-Concurrent: Disabled VG Mode:Non-Concurrent MAX PPs per VG:130048 MAX PPs per PV:2032MAX PVs:64 LTG size (Dynamic): 1024 kilobyte(s)AUTO SYNC:no HOT SPARE:noBB POLICY:relocatable PV RESTRICTION:noneINFINITE RETRY: no
data02vg
lsvg data02vg VOLUME GROUP:data02vgVG IDENTIFIER: 00f79d1100004c00000001386f007c90 VG STATE:activePP SIZE:128 megabyte (s) VG PERMISSION:read/writeTOTAL PPs:2126 (272128 megabytes) MAX LVs:512FREE PPs:18 (2304 megabytes) LVs:39USED PPs:2108 (269824 megabytes) OPEN LVs:0QUORUM:2 (Enabled) TOTAL PVs:2VG DESCRIPTORS: 3 STALE PVs:0STALE PPs:0 ACTIVE PVs:2AUTO ON:no Concurrent:Enhanced-CapableAuto-Concurrent: Disabled VG Mode:Non-Concurrent MAX PPs per VG:130048 MAX PPs per PV:2032MAX PVs:64 LTG size (Dynamic): 1024 kilobyte(s)AUTO SYNC:no HOT SPARE:noBB POLICY:relocatable PV RESTRICTION:noneINFINITE RETRY: no
vg中pv的状态：
data03vg
lsvg -p data03vg data03vg: PV_NAMEPV STATETOTAL PPs FREE PPs FREE DISTRIBUTION hdiskpower11active106343 01..00..00..00..42 hdiskpower17removed1063167 21..00..00..00..146 hdiskpower18removed1063167 21..00..00..00..146 hdiskpower19removed1063167 21..00..00..00..146 hdiskpower20removed1063167 21..00..00..00..146
data01vg
lsvg -p data01vg data01vg: PV_NAMEPV STATETOTAL PPs FREE PPs FREE DISTRIBUTION hdiskpower7active10630 00..00..00..00..00 hdiskpower8active106320 00..00..00..00..20 hdiskpower9active106324 02..00..00..00..22 hdiskpower10active10630 00..00..00..00..00 hdiskpower16missing1063551 21..00..105..212..213 hdiskpower21missing1063551
data02vg
lsvg -p data02vg data02vg: PV_NAMEPV STATETOTAL PPs FREE PPs FREE DISTRIBUTION hdiskpower0active10630 00..00..00..00..00 hdiskpower24active106318 00..00..00..00..18
有好多盘不是missing就是removed的，数据库日志报错为：
Thu Mar 21 17:53:58 BEIST 2013
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Errors in
file /oracle/app/oracle/admin/ctsdb/bdump/ctsdb2_m000_19595456.trc:
ORA-27072: File I/O error
IBM AIX RISC System/6000 Error: 5: I/O error
odmget HACMPdisktype HACMPdisktype:PdDvLn = “disk/pseudo/power”ghostdisks = “SCSI3″checkres = “SCSI_TUR”breakres = “/usr/lpp/EMC/Symmetrix/bin/emcpowerreset”parallel = “false”makedev = “MKDEV”reserved1 = “”reserved2 = “”reserved3 = “”lssrc –a | grep cl clcomdcaa7929856active clcomdESclcomdES9633858active clstrmgrEScluster9240596active gsclvmdinoperative clinfoEScluster17104944active clconfdcaainoperative nimshnimclientinoperative
两节点的gsclvmd 都是inoperative，看来只能重启hacmp来把gsclvmd给拉起来。
解决过程：
1.先进行数据库的备份，，然后停库：
节点1: su – oracle srvctl stop listener –n ctscrm1 ps –ef | grep “LOCAL=NO”| grep –v grep | awk ‘{print $2}’|xargs kill -9 oracle> alter system switch logfile; oracle> alter system checkpoint; srvctl stop instance –d ctsdb –I ctsdb1
节点2:su – oracle srvctl stop listener –n ctscrm2 ps –ef | grep “LOCAL=NO”| grep –v grep | awk ‘{print $2}’|xargs kill -9 oracle> alter system switch logfile; oracle> alter system checkpoint; srvctl stop instance –d ctsdb –I ctsdb2
关闭crs：节点1和节点2
crsctlstop crs
2.重启hacmp
smit clstop
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