AIX根盘镜像更换hdisk

v.....操作步骤1.更换前作系统备份;选择磁带备份操作系统Smitmksysb2.注意查看双机状态，看应用是否跑在备机上(注意：一定确认双机的状态)/usr/es/sbin/cluster/ut*/cldump3.查看报错，确认故障盘errpt4.查看卷组状态test14[/]#lsvg-lrootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot122closed/syncdN/Ahd6paging6122open/syncdN/Ahd8jfs2log122open/syncdN/Ahd4jfs230602open/syncd/hd2jfs210202open/syncd/usrhd9varjfs210202open/syncd/varhd3jfs210202open/syncd/tmphd1jfs2482open/syncd/homehd10optjfs210202open/syncd/optlg_dumplvsysdump661closed/syncdN/Apagelv00paging6122open/syncdN/Adatelvjfs230602open/syncd/datebeifen看lv是否都处于syncd同步状态5.查看pv状态;test14[/]#lsvgrootvgaltinst_rootvgconvgtest14[/]#lsvg-oconvgrootvgtest14[/]#lspvhdisk000c74bc679929a4crootvgactivehdisk100c74bc679bcaa9faltinst_rootvghdisk200c74bc689eefd8cconvgactivehdisk3noneNone...资料..v.....hdisk4noneNonehdisk500c74bc6d089a7f2rootvgactivehdisk6noneNonehdisk8noneNonehdisk9noneNonehdisk10noneNonehdisk11noneNonehdisk7noneNone6.确认好了故障盘，将故障盘在rootvg里踢出来，本次有故障的是hdisk0.注意这一步：AIX如果pagingswap和dumpdevice不同,系统不会mirrordumpdevice,下面是系统正常情况下的dumpdevice的信息:#lsvg-lrootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot122closed/syncdN/Ahd6paging2444882open/syncdN/Ahd8jfs2log122open/syncdN/Ahd4jfs28162open/syncd/hd2jfs240802open/syncd/usrhd9varjfs240802open/syncd/varhd3jfs216322open/syncd/tmphd1jfs240802open/syncd/homehd10optjfs2801602open/syncd/optlg_dumplvsysdump16161open/syncdN/A查看dump设备#sysdumpdev–l查看dump设备primary/dev/lg_dumplvsecondary/dev/sysdumpnullcopydirectory/var/adm/rasforcedcopyflagTRUEalwaysallowdumpFALSEdumpcompressionON查看dump在哪块盘上#lslv-llg_dumplvlg_dumplv:N/APVCOPIESINBANDDISTRIBUTIONhdisk0016:000:0000%000:000:000:000:016目前dumpdevice只有一个,在hdisk0上,如果hdisk0出现故障,系统可以从hdisk1...资料..v.....启动,系统运行也不会有问题,只是没有dumpdevice,所以如果需要更换hdisk0,需要特别注意一些别的问题,具体步骤:1)拆除hdisk0上的镜像：unmirrorvgrootvghdisk02）查看unmirror后vg的状态#lsvg-lrootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot111closed/syncdN/Ahd6paging2442441open/syncdN/Ahd8jfs2log111open/syncdN/Ahd4jfs2881open/syncd/hd2jfs240401open/syncd/usrhd9varjfs240401open/syncd/varhd3jfs216161open/syncd/tmphd1jfs240401open/syncd/homehd10optjfs280801open/syncd/optlg_dumplvsysdump16161closed/syncdN/A3）将hdisk0在rootvg里reduce出来reducevgrootvghdisk0将会报错:rmlv:Warning,alldatabelongingtologicalvolumelg_dumplvonphysicalvolumehdisk0willbedestroyed.rmlv:Doyouwishtocontinue?y(es)n(o)?0516-016ldeletepv:Cannotdeletephysicalvolumewithallocatedpartitions.Useeithermigratepvtomovethepartitionsorreducevgwiththe-doptiontodeletethepartitions.0516-884reducevg:Unabletoremovephysicalvolumehdisk0.遇到这种情况，我们首先应该修改dump主设备：sysdumpdev-P-p/dev/sysdumpnullprimary/dev/sysdumpnullsecondary/dev/sysdumpnullcopydirectory/var/adm/rasforcedcopyflagTRUEalwaysallowdumpFALSEdumpcompressionON然后再将hdisk0在rootvg中reduce出来smittyreducevg0516-914rmlv:Warning,alldatabelongingtologicalvolumelg_dumplvonphysicalvolumehdisk0willbedestroyed.rmlv:Doyouwishtocontinue?y(es)n(o)?y-------------------缺省删除lg_dumplvrmlv:Logicalvolumelg_dumplvisremoved.查看dumpdevice的状态...资料..v.....#lsvg-lrootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot111closed/syncdN/Ahd6paging2442441open/syncdN/Ahd8jfs2log111open/syncdN/Ahd4jfs2881open/syncd/hd2jfs240401open/syncd/usrhd9varjfs240401open/syncd/varhd3jfs216161open/syncd/tmphd1jfs240401open/syncd/homehd10optjfs280801open/syncd/opt7.将hdisk0在rootvg中删除后就可以更换硬盘了：test14[/]#diag...资料..v........资料..v.....敲下回车后，故障硬盘的红灯开始闪烁，这也是确定硬盘位置的方法，以免拔错盘。将hdisk0拔下插入新的硬盘，回车，新的硬盘就可以认到了，不需要执行cfgmgr即可。接下来重新给rootvg做镜像。1）查看认到的新的硬盘：lspv...资料..v.....2）将新盘加到rootvg#extendvg-frootvghdisk03）查看hdisk0是否添加到rootvg中test14[/]#lsvg-prootvgrootvg:PV_NAMEPVSTATETOTALPPsFREEPPsFREEDISTRIBUTIONhdisk5active558440111..70..36..111..112hdisk0active558434111..64..36..111..1124）镜像根盘：mirrorvg–c2rootvghdisk0查看镜像：test14[/]#lsvg-lrootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot122closed/syncdN/Ahd6paging6122open/syncdN/Ahd8jfs2log122open/syncdN/Ahd4jfs230602open/syncd/hd2jfs210202open/syncd/usrhd9varjfs210202open/syncd/varhd3jfs210202open/syncd/tmphd1jfs2482open/syncd/homehd10optjfs210202open/syncd/optlg_dumplvsysdump661closed/syncdN/Apagelv00paging6122open/syncdN/A5）镜像成功，添加启动快到hdisk0#bosboot-ad/dev/hdisk06）设置启动顺序#bootlist-mnormalhdisk0hdisk1cd07）查看启动顺序：#bootlist-o-mnormalhdisk0blv=hd5hdisk1blv=hd5cd08）重新创建dumplv(操作前先 记录 混凝土 养护记录下载土方回填监理旁站记录免费下载集备记录下载集备记录下载集备记录下载 下原dump的大小)#smitlv...资料..v.....9)修改主用dumpdevice#sysdumpdev-Pp/dev/lg_dumplvprimary/dev/lg_dumplvsecondary/dev/sysdumpnullcopydirectory/var/adm/rasforcedcopyflagTRUEalwaysallowdumpFALSEdumpcompressionONlsvg-lrootvgrootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot122closed/syncdN/Ahd6paging2444882open/syncdN/Ahd8jfs2log122open/syncdN/Ahd4jfs28162open/syncd/hd2jfs240802open/stale/usrhd9varjfs240802open/stale/varhd3jfs216322open/stale/tmp...资料..v.....hd1jfs240802open/stale/homehd10optjfs2801602open/stale/optlg_dumplvsysdump16161open/syncdN/A...资料..