AIX系统ROOTVG镜像操作AIX做rootvg软镜像和取消镜以下命令全部在AIX5.4上运行过#lspvhdisk0000a1ddc7f36a2f0rootvgactivehdisk1noneNone#chdev-lhdisk1-apv=clear#chdev-lhdisk1-apv=yeshdisk1changed#lspvhdisk0000a1ddc7f36a2f0rootvgactivehdisk1000a1ddcd9e3cc9eNone#extendvgrootvghdisk1//如果hdisk1内有数据在做extend的时侯，hdisk1里面的东西就没了#extendvg-frootvghdisk1强制把hdisk1加入到rootvg中#lspvhdisk0000a1ddc7f36a2f0rootvgactivehdisk1000a1ddcd9e3cc9erootvgactive#mirrorvgrootvghdisk1#mirrorvgrootvg0516-1124mirrorvg:Quorumrequirementturnedoff,rebootsystemforthistotakeeffectforrootvg.0516-1126mirrorvg:rootvgsuccessfullymirrored,usershouldperformbosbootofsystemtoinitializebootrecords.Then,usermustmodifybootlisttoinclude:hdisk0hdisk1.查看mirror是否完成了#lsvg-lrootvg#lsvg-lrootvg//如何查看硬盘是否做过mirror?rootvg:LVNAMETYPELPsPPsPVsLVSTATEMOUNTPOINThd5boot122closed/syncdN/Ahd6paging242open/syncdN/Ahd8jfslog122open/syncdN/Ahd4jfs122open/syncd/hd2jfs33662open/syncd/usrhd9varjfs122open/syncd/varhd3jfs122open/syncd/tmphd1jfs122open/syncd/homeHd10optjfs482open/syncd/opt说明：lp=2pp表示一份镜像，lp=pp表示没做，lp=3pp表示有二份。lp=2pp,是指一份lp的数据，对应两份pp的数据，物理上是有2份拷贝的#lsvgrootvgVOLUMEGROUP:rootvgVGIDENTIFIER:000a1ddc00004c00000001197f36bcd3VGSTATE:activePPSIZE:32megabyte(s)VGPERMISSION:read/writeTOTALPPs:1084(34688megabytes)MAXLVs:256FREEPPs:994(31808megabytes)LVs:9USEDPPs:90(2880megabytes)OPENLVs:8QUORUM:1TOTALPVs:2VGDESCRIPTORS:3STALEPVs:0STALEPPs:0ACTIVEPVs:2AUTOON:yesMAXPPsperVG:325120MAXPPsperPV:1016MAXPVs:32LTGsize(Dynamic):256kilobyte(s)AUTOSYNC:noHOTSPARE:noBBPOLICY:relocatable说明：QUORUM:1表示没有，QUORUM:2表示有。#bootlist-mnormal-ohdisk0#bosboot-ad/dev/hdisk1#bootlist-mnormalhdisk1hdisk0#bootlist-mnormal-ohdisk1hdisk0#shutdown-Fr说明：AIX：rootvg镜像。使两个硬盘均可启动。好处：主启动硬盘坏时，可以用另一硬盘启动机器.注：chdev-lhdisk1-apv=yes是安全的，如果它运行不成功，那创建VG肯定失败，因为mkvg就是调用的它后记：#unmirrorvgrootvghdisk1//把rootvg的mirror去掉#chpv-chdisk1//去掉hdisk1的引导信息#reducevgrootvghdisk1//从rootvg中删除hdisk1#rmdev-dlhdisk1(加-R表示强制删除)#bootlist-mnormalhdisk0注：1、如果向unmirrorvgrootvg不指定盘是很危险的，一般不指定盘不要用此命令更换硬盘问题步骤1、先unmirror，然后把hdisk2从data