AIX扩展文件系统的大小由于AIX系统空间不够需要增加硬盘，希望增加文件系统的空间，折腾了好几天怎么都不能扩展文件系统的空间，原来是把硬盘加错了卷组首先，确定文件系统所在的LV/dev/datalv 270.00 37.47 87% 24 1% /oradata2.查看LV所在的卷组# lslv datalvLOGICAL VOLUME: datalvVOLUME GROUP: backupvg LV IDENTIFIER: 00c0711c00004c000000014321c777ce.1 PERMISSION: read/writeVG STATE: active/complete LV STATE: opened/syncdTYPE: jfs2 WRITE VERIFY: offMAX LPs: 10000 PP SIZE: 1024 megabyte(s)COPIES: 1 SCHED POLICY: parallelLPs: 270 PPs: 270STALE PPs: 0 BB POLICY: relocatableINTER-POLICY: minimum RELOCATABLE: yesINTRA-POLICY: middle UPPER BOUND: 128MOUNT POINT: /oradata LABEL: /oradataMIRROR WRITE CONSISTENCY: on/ACTIVEEACH LP COPY ON A SEPARATE PV ?: yesSerialize IO ?: NO 3.把硬盘加入到相应的卷组中# smit vg选择Set Characteristics of a Volume GroupSet Characteristics of a Volume Group选择Add a Physical Volume to a Volume Group---把硬盘增加到相应的卷组中4.查看# lsvg -p backupvgbackupvg:PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTIONhdisk3 active 271 0 00..00..00..00..00hdisk4 active 271 271 55..54..54..54..545.增加文件系统的空间# chfs -a size=+100G /oradataFilesystem size changed to 7759462406，确认/dev/datalv370.00 137.45 63% 24 1% /oradata成功！