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
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