chvg改变vg中LV的数量
今天,在客戶處出現一個問題??蛻舻膐racle數據庫使用的是裸設備,需要給數據庫擴展表空間,在創建LV的時候出錯:
mklv -y 'orcl_data100' -w n -t 'raw'??datavg 32?
0516-018 lcreatelv: No more logical volumes can be created; the maximum number has been reached. Use a different volume group. 0516-822 mklv: Unable to create logical volume.
lsvg顯示內容如下:
#lsvg datavg
VOLUME GROUP:???????datavg ? ? ? ? ? ?VG IDENTIFIER:??0002b6510000d600000
00117835b1998
VG STATE:???????????active???????????????????PP SIZE:????????32 megabyte(s)
VG PERMISSION:??????read/write???????????????TOTAL PPs:??????6906 (220992 megaby
tes)
MAX LVs:????????????256??????????????????????FREE PPs:???????5488 (175616 megaby
tes)
LVs:????????????????255??????????????????????USED PPs:???????1418 (45376 megabyt
es)
OPEN LVs:???????????255??????????????????????QUORUM:?????????4
TOTAL PVs:??????????6????????????????????????VG DESCRIPTORS: 6
STALE PVs:??????????0????????????????????????STALE PPs:??????0
ACTIVE PVs:?????????6????????????????????????AUTO ON:????????yes
MAX PPs per VG:?????32512?????????????????????????????????????
MAX PPs per PV:?????2032?????????????????????MAX PVs:????????32
LTG size (Dynamic): 1024 kilobyte(s)?????????AUTO SYNC:??????no
HOT SPARE:??????????no???????????????????????BB POLICY:??????
relocatable?
從上面的提示我們可以看到,vg中的 LVs數已經到了255,MAX LVs是為256。
用smit chvg 改變VG的 MAX LVs 到 512, 但又提示下面的錯誤:
0516-1616 chvg: This operation is only valid for scalable volume groups.
0516-732 chvg: Unable to change volume group datavg.
最后解決的辦法是使用命令:
chvg -B train1vg ?? 修改MAX LVs為512,此操作是把VG更改成Big Vg
另外
chvg -S train1vg ?? 修改MAX LVs為4096,此操作把VG更改成scalable?vg?
轉載于:https://blog.51cto.com/zuokx/844488
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