请教一下,做完了rootvg的镜像后,不明白用什么命令能看出这个vg是镜像过的呢? # lsvg rootvg VOLUME GROUP: rootvg VG IDENTIFIER: 0001e4f90000d60000000120966b997f VG STATE: active PP SIZE: 128 megabyte(s) VG PERMISSION: read/write TOTAL PPs: 1092 (139776 megabytes) MAX LVs: 256 FREE PPs: 982 (125696 megabytes) LVs: 12 USED PPs: 110 (14080 megabytes) OPEN LVs: 10 QUORUM: 1 (Disabled) TOTAL PVs: 2 VG DESCRIPTORS: 3 STALE PVs: 0 STALE PPs: 0 ACTIVE PVs: 2 AUTO ON: yes MAX PPs per VG: 32512 MAX PPs per PV: 1016 MAX PVs: 32 LTG size (Dynamic): 256 kilobyte(s) AUTO SYNC: no HOT SPARE: no BB POLICY: relocatable