以sdb 为例
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- fdisk /dev/sdb # new and t change to 8e (LVM)
- pvcreate /dev/sdb1
- vgextend yourvg /dev/sdb1
- lvextend -l +100%FREE yourlv
- resize2fs yourlv
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- #cfgmgr #recognize newadd hardware
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- # lspv
- hdisk0 000a1ddc7f36a2f0 rootvg active
- hdisk1 none None
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- #chdev -l hdisk1 -a pv=clear
- #chdev -l hdisk1 -a pv=yes
- hdisk1 changed
- # lspv
- hdisk0 000a1ddc7f36a2f0 rootvg active
- hdisk1 000a1ddcd9e3cc9e None
- # extendvg rootvg hdisk1 //如果hdisk1内有数据在做extend的时侯,hdisk1里面的东西就没了
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- #extendvg -f rootvg hdisk1 强制把hdisk1加入到rootvg中
- #chfs -a size=+300G /oradata
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- # lslv hd10opt
- LOGICAL VOLUME: hd10opt VOLUME GROUP: rootvg
- LV IDENTIFIER: 0008d69a0000d4000000012aa0db098a.10 PERMISSION: read/write
- VG STATE: active/complete LV STATE: opened/syncd
- TYPE: jfs2 WRITE VERIFY: off
- MAX LPs: 512 PP SIZE: 512 megabyte(s)
- chlv -x 2000 hd10opt #把MAX LPs改为2000