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5.3.3. 分​​​​​​​割​​​​​​​卷​​​​​​​组​​​​​​​

要​​​​​​​创​​​​​​​建​​​​​​​新​​​​​​​卷​​​​​​​组​​​​​​​ yourvg,请​​​​​​​使​​​​​​​用​​​​​​​ vgsplit 命​​​​​​​令​​​​​​​分​​​​​​​割​​​​​​​卷​​​​​​​组​​​​​​​ myvg。​​​​​​​
在​​​​​​​您​​​​​​​可​​​​​​​以​​​​​​​分​​​​​​​割​​​​​​​卷​​​​​​​组​​​​​​​前​​​​​​​,必​​​​​​​须​​​​​​​使​​​​​​​逻​​​​​​​辑​​​​​​​卷​​​​​​​失​​​​​​​活​​​​​​​。​​​​​​​如​​​​​​​果​​​​​​​挂​​​​​​​载​​​​​​​了​​​​​​​文​​​​​​​件​​​​​​​系​​​​​​​统​​​​​​​,您​​​​​​​必​​​​​​​须​​​​​​​在​​​​​​​失​​​​​​​活​​​​​​​逻​​​​​​​辑​​​​​​​卷​​​​​​​之​​​​​​​前​​​​​​​卸​​​​​​​载​​​​​​​文​​​​​​​件​​​​​​​系​​​​​​​统​​​​​​​。​​​​​​​
您​​​​​​​可​​​​​​​以​​​​​​​使​​​​​​​用​​​​​​​ lvchange 命​​​​​​​令​​​​​​​或​​​​​​​者​​​​​​​ vgchange 命​​​​​​​令​​​​​​​使​​​​​​​逻​​​​​​​辑​​​​​​​卷​​​​​​​失​​​​​​​活​​​​​​​。​​​​​​​以​​​​​​​下​​​​​​​命​​​​​​​令​​​​​​​可​​​​​​​以​​​​​​​使​​​​​​​逻​​​​​​​辑​​​​​​​卷​​​​​​​ mylv 失​​​​​​​活​​​​​​​并​​​​​​​从​​​​​​​卷​​​​​​​组​​​​​​​ myvg 中​​​​​​​分​​​​​​​割​​​​​​​出​​​​​​​卷​​​​​​​组​​​​​​​ yourvg,将​​​​​​​物​​​​​​​理​​​​​​​卷​​​​​​​ /dev/sdc1 移​​​​​​​动​​​​​​​到​​​​​​​新​​​​​​​的​​​​​​​卷​​​​​​​组​​​​​​​ yourvg 中​​​​​​​。​​​​​​​
[root@tng3-1 ~]# lvchange -a n /dev/myvg/mylv
[root@tng3-1 ~]# vgsplit myvg yourvg /dev/sdc1
  Volume group "yourvg" successfully split from "myvg"
您​​​​​​​可​​​​​​​以​​​​​​​使​​​​​​​用​​​​​​​ vgs 查​​​​​​​看​​​​​​​两​​​​​​​个​​​​​​​卷​​​​​​​组​​​​​​​的​​​​​​​属​​​​​​​性​​​​​​​。​​​​​​​
[root@tng3-1 ~]# vgs
  VG     #PV #LV #SN Attr   VSize  VFree
  myvg     2   1   0 wz--n- 34.30G 10.80G
  yourvg   1   0   0 wz--n- 17.15G 17.15G