Citrix虚拟化实战：扩容VM

增加独立的文件系统通过xencenter增加一个storagefdisk-l查看是否能够看到此storage[root@redhat5/]#fdisk-lDisk/dev/xvdd:90MB,90634240bytes255heads,63sectors/track,11cylindersUnits=cylindersof16065*512=8225280bytesDisk/dev/xvdddoesn'tcontainavalidpartitiontableDisk/dev/xvdb:5368MB,5368709120bytes255heads,63sectors/track,652cylindersUnits=cylindersof16065*512=8225280bytesDisk/dev/xvdbdoesn'tcontainavalidpartitiontableDisk/dev/xvda:21.4GB,21474836480bytes255heads,63sectors/track,2610cylindersUnits=cylindersof16065*512=8225280bytesDeviceBootStart EndBlocksIdSystem/dev/xvda1 * 1 13 104391 83 Linux/dev/xvda2 14 1044 8281507+ 8e LinuxLVM由此看出，/dev/xvdd和/dev/xvdb是没有被linux利用的storage。3.建立PVpvcreate/dev/xvdbPhysicalvolume"/dev/xvdb"successfullycreated创建VGvgcreatevglsx/dev/xvdbVolumegroup"vglsx"successfullycreated新建LVIvcreate-L256M-ndatavglsx256为新建Iv的大小，可以根据实际情况调整。[root@rd51telecom/]#Ivcreate-L5100M-ndatavglsxLogicalvolume"data"created格式化LV以ext2的格式格式化mke2fs-j/dev/vglsx/data以ext3的格式化mkfs-text3/dev/vglsx/datamke2fs1.39(29-May-2006)Filesystemlabel=OStype:LinuxBlocksize=4096(log=2)Fragmentsize=4096(log=2)652800inodes,1305600blocks65280blocks(5.00%)reservedforthesuperuserFirstdatablock=0Maximumfilesystemblocks=133798297640blockgroups32768blockspergroup,32768fragmentspergroup16320inodespergroupSuperblockbackupsstoredonblocks:32768,98304,163840,229376,294912,819200,884736Writinginodetables:doneCreatingjournal(32768blocks):doneWritingsuperblocksandfilesystemaccountinginformation:doneThisfilesystemwillbeautomaticallycheckedevery35mountsor180days,whichevercomesfirst.Usetune2fs-cor-itooverride.[root@rd51telecom/]#fdisk-lDisk/dev/xvdb:5368MB,5368709120bytes255heads,63sectors/track,652cylindersDisk/dev/xvdbdoesn'tcontainavalidpartitiontableDisk/dev/xvda:12.8GB,12884901888bytes255heads,63sectors/track,1566cylindersUnits=cylindersof16065*512=8225280bytesDeviceBootStart EndBlocksIdSystem/dev/xvda1 * 1 13 104391 83 Linux/dev/xvda2 14 1044 8281507+ 8e LinuxLVM[root@redhat5/]#IvscanACTIVE '/dev/vglsx/data'[4.98GB]inheritACTIVE '/dev/VolGroup00/LogVol00'[5.94GB] inheritACTIVE '/dev/VolGroup00/LogVol01'[1.94GB] inherit[root@rd51telecom/]#fdisk/dev/xvdbDevicecontainsneitheravalidDOSpartitiontable,norSun,SGIorOSFdisklabelBuildinganewDOSdisklabel.Changeswillremaininmemoryonly,untilyoudecidetowritethem.Afterthat,ofcourse,thepreviouscontentwon'tberecoverable.Warning:invalidflag0x0000ofpartitiontable4willbecorrectedbyw(rite)Command(mforhelp):nCommandactioneextendedpprimarypartition(1-4)pPartitionnumber(1-4):1Firstcylinder(1-652,default1):Usingdefaultvalue1Lastcylinderor+sizeor+sizeMor+sizeK(1-652,default652):Usingdefaultvalue652Command(mforhelp):pDisk/dev/xvdb:5368MB,5368709120bytes255heads,63sectors/track,652cylindersUnits=cylindersof16065*512=8225280bytesDeviceBootStart EndBlocksIdSystem/dev/xvdb1 1 652 5237158+83LinuxCommand(mforhelp):wThepartitiontablehasbeenaltered!Callingioctl()tore-readpartitiontable.Syncingdisks.[root@redhat5/]#fdisk-lDisk/dev/xvdd:90MB,90634240bytes255heads,63sectors/track,11cylindersUnits=cylindersof16065*512=8225280bytesDisk/dev/xvdddoesn'tcontainavalidpartitiontableDisk/dev/xvdb:5368MB,5368709120bytes255heads,63sectors/track,652cylindersUnits=cylindersof16065*512=8225280bytesDeviceBoot/dev/xvdb1Start1End652DeviceBoot/dev/xvdb1Start1End652BlocksId5237158+System83LinuxDisk/dev/xvda:21.4GB,21474836480bytes255heads,63sectors/track,2610cylindersUnits=cylindersof16065*512=8225280bytesDisk/dev/xvda:21.4GB,21474836480bytes255heads,63sectors/track,2610cylindersUnits=cylindersof16065*512=8225280bytesDeviceBoot/dev/xvda1*/dev/xvda2Start1DeviceBoot/dev/xvda1*/dev/xvda2Start114End131044BlocksId1043918281507+System83Linux8eLinuxLVM[root@redhat5/]#mount/dev/vglsx/data/mnt[root@redhat5]#fdisk-lDisk/dev/xvdb:5368MB,5368709120bytes255heads,63sectors/track,652cylindersUnits=cylindersof16065*512=8225280bytes[root@redhat5/]#mount/dev/vglsx/data/mnt[root@redhat5]#fdisk-lDisk/dev/xvdb:5368MB,5368709120bytes255heads,63sectors/track,652cylindersUnits=cylindersof16065*512=8225280bytesDeviceBoot/dev/xvdb1Start1EndDeviceBoot/dev/xvdb1Start1End652BlocksIdSystem5237158+83LinuxDisk/dev/xvda:21.4GB,21474836480bytes255heads,63sectors/track,2610cylindersDeviceBootStartEndBlocksIdSystem/dev/xvda1*11310439183Linux/dev/xvda21410448281507+8eLinuxLVM[root@redhat5]#dfFilesystem 1K-blo