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Unix Study之--AIX删除卷组中物理卷
系统环境:
操作系统: AIX 5300-08
案例分析:
删除rootvg中的pv(hdisk2):
[root@aix195: /]$ lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk0 active 550 249 109..00..00..30..110
hdisk2 active 319 260 64..64..04..64..64
通过smit删除:
[root@aix195: /]$ smit reducevg
出现以下错误提示:
0516-016 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 hdisk2.
通过reducevg工具删除:
[root@aix195: /]$ reducevg
0516-606 reducevg: Volume group name not entered.
Usage: reducevg [-d] [-f] VGname PVname...
Reduces volume group size by removing a physical volume.
[root@aix195: /]$ reducevg -d rootvg hdisk2
提示:在hdisk2的pv上有逻辑卷
0516-914 rmlv: Warning, all data belonging to logical volume
paging00 on physical volume hdisk2 will be destroyed.
rmlv: Do you wish to continue? y(es) n(o)?
n
0516-914 rmlv: Warning, all data belonging to logical volume
paging01 on physical volume hdisk2 will be destroyed.
rmlv: Do you wish to continue? y(es) n(o)?
0516-914 rmlv: Warning, all data belonging to logical volume
paging02 on physical volume hdisk2 will be destroyed.
rmlv: Do you wish to continue? y(es) n(o)?
0516-016 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 hdisk2.
查看系统页面交换空间:
[root@aix195: /]$ lsps -a
Page Space Physical Volume Volume Group Size %Used Active Auto Type
paging02 hdisk2 rootvg 1792MB 1 yes yes lv
paging01 hdisk2 rootvg 1792MB 1 yes yes lv
paging00 hdisk2 rootvg 192MB 1 yes yes lv
hd6 hdisk0 rootvg 320MB 1 yes yes lv
---paging00,01,02为后来增加的page space,其逻辑卷建立在hdisk2的PV上
关闭paging00、01、02:
[root@aix195: /]$ swapoff /dev/paging00
[root@aix195: /]$ swapoff /dev/paging01
[root@aix195: /]$ swapoff /dev/paging02
通过smit删除paging00、01、02三个逻辑卷
[root@aix195: /]$ lsps -a
Page Space Physical Volume Volume Group Size %Used Active Auto Type
hd6 hdisk0 rootvg 2048MB 1 yes yes lv
在通过reducevg删除卷组的PV:
[root@aix195: /]$ lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk0 active 550 222 82..00..00..30..110
hdisk2 active 319 319 64..64..63..64..64
[root@aix195: /]$ reducevg -d rootvg hdisk2
删除成功:
[root@aix195: /]$ lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk0 active 550 222 82..00..00..30..110
[root@aix195: /]$ lspv
hdisk0 000bf7bdcd61dd0a rootvg active
hdisk1 00434bbc952e964d None
hdisk2 000bf7bd1ed7cab8 None
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