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1、哈尔滨工业大学HPC集群系统调整一，LVM调整测试：根据目前测试结果來看，使HJpvcreate>vgcreate>Ivcreate进行LVM的建立不存在问题。下面是使用LVM进行文件系统创建，扩展以及缩小的操作步骤：在存储上划4块50G的盘给io02节点,在io02上做LVM的测试[root@hpconsoleilocal]#rshio02Lastlogin:WedAug1108:38:57fromhit_sdYouhavemail.[root@io02~]#fdisk-IDisk/dev/sda:1610.6GB,1610612736000
2、bytes255heads,63sectors/track,195812cylindersUnits=cylindersof16065*512=8225280bytesDeviceBoot/dev/sdalStart1EndBlocksIdSystem1958121572859858+83LinuxDisk/dev/sdb:53.6GB,53687091200bytes64heads,32sectors/track,51200cylindersUnits=cylindersof2048*512=1048576bytesDisk/dev/sdbd
3、oesn'tcontainavalidpartitiontableDisk/dev/sdc:53.6GB,53687091200bytes64heads,32sectors/track,51200cylindersUnits=cylindersof2048*512=1048576bytesDisk/dev/sdcdoesn'tcontainavalidpartitiontableDisk/dev/sdd:53.6GB,53687091200bytes64heads,32sectors/track,51200cylindersUnits=cyli
4、ndersof2048*512=1048576bytesDisk/dev/sdddoesn'tcontainavalidpartitiontableDisk/dev/sde:53.6GB,53687091200bytes64heads,32sectors/track,51200cylindersUnits=cylindersof2048*512=1048576bytesDisk/dev/sdedoesn'tcontainavalidpartitiontableDisk/dev/cciss/c0d0:146.7GB,146778685440byt
5、es255heads,63sectors/track,17844cylindersUnits=cylindersof16065*512=8225280bytesDeviceBootStartEndBlocksIdSystem/dev/cciss/cOdOpl*11310439183Linux/dev/cciss/c0d0p2141783114312308583Linux/dev/cciss/c0d0p31783217844104422+82Linuxswap[root@io02~]#pvcreate/dev/sdbPhysicalvolume，
6、7dev/sdbnsuccessfullycreated[root@io02~]#pvcreate/dev/sdcPhysicalvolume”/dev/sdc"successfullycreated[root@io02~]#vgcreatevgtest/dev/sdb/dev/sdcVolumegroup''vgtest"successfullycreated[root@io02~]#vgdisplay■一Volumegroup■一VGNamevgtestSystemIDFormatIvm2MetadataAreas2MetadataSequ
7、eneeNo1VGAccessread/writeVGStatusresizableMAXLV0CurLV0OpenLV0MaxPV0CurPV2ActPV2VGSize99.99GBPESize4.00MBTotalPE25598AllocPE/SizeiD/0FreePE/Size25598/99.99GBVGUUIDrQAzXT-UilR-jB2u-8zqK-axua-8Qhy-CWBiWt[root@io02~]#Ivcreate-nIvOl-125598vgtestLogicalvolume''IvOl11created[root@i
8、o02~]#Ivdisplay—Logicalvolume—LVName/dev/vgtest/lvOlVGNamevgtestLVUUIDOlnZ7
