公司今天要删除一个asm磁盘组，这个磁盘组对应的卷组也要被删掉，释放硬盘空间。处理如下：删除datavg卷组

# lsvg -l datavg

datavg:LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINTlv_asm              jfs        2400    2400    2    closed/syncd  N/A# lspv            hdisk0          0006c86a0451ed0f                    rootvg          activehdisk1          000e5e0cb4179dce                    dsgvg           activehdisk2          000e5e0cb3d4c86c                    dsgvg           activehdisk3          000e5e0cb3d53940                    datavg2         activehdisk4          000e5e0cb3d59d35                    datavg          activehdisk5          000e5e0cb3d5f310                    datavg          activehdisk6          000e5e0cb3d656b6                    datavg          activehdisk7          000e5e0cb3d6b725                    datavg2         activehdisk8          000e5e0cb3eca697                    rootvg          active# reducevg datavg hdisk40516-016 ldeletepv: Cannot delete physical volume with allocated        partitions. Use either migratepv to move the partitions or        reducevg with the -d option to delete the partitions.0516-884 reducevg: Unable to remove physical volume hdisk4.# reducevg -d datavg hdisk40516-914 rmlv: Warning, all data belonging to logical volume        lv_asm on physical volume hdisk4 will be destroyed.rmlv: Do you wish to continue? y(es) n(o)? y# # # lspv hdisk0          0006c86a0451ed0f                    rootvg          activehdisk1          000e5e0cb4179dce                    dsgvg           activehdisk2          000e5e0cb3d4c86c                    dsgvg           activehdisk3          000e5e0cb3d53940                    datavg2         activehdisk4          000e5e0cb3d59d35                    None            hdisk5          000e5e0cb3d5f310                    datavg          activehdisk6          000e5e0cb3d656b6                    datavg          activehdisk7          000e5e0cb3d6b725                    datavg2         activehdisk8          000e5e0cb3eca697                    rootvg          active# reducevg -d datavg hdisk50516-914 rmlv: Warning, all data belonging to logical volume        lv_asm on physical volume hdisk5 will be destroyed.rmlv: Do you wish to continue? y(es) n(o)? yrmlv: Logical volume lv_asm is removed.# reducevg -d datavg hdisk6ldeletepv: Volume Group deleted since it contains no physical volumes.# # # lsvg rootvgdsgvgdatavg2

已经被删除

# lspvhdisk0          0006c86a0451ed0f                    rootvg          activehdisk1          000e5e0cb4179dce                    dsgvg           activehdisk2          000e5e0cb3d4c86c                    dsgvg           activehdisk3          000e5e0cb3d53940                    datavg2         activehdisk4          000e5e0cb3d59d35                    None            hdisk5          000e5e0cb3d5f310                    None            hdisk6          000e5e0cb3d656b6                    None            hdisk7          000e5e0cb3d6b725                    datavg2         activehdisk8          000e5e0cb3eca697                    rootvg          active#

总结：AIX中没有删除VG的命令，欲删除一个VG，只要将此VG中的PV全部移除即可