To clone the running rootvg to hdisk3 and hdisk4, and execute update_all on all updates from /updates:

 alt_disk_copy -d "hdisk3 hdisk4" -b update_all -l /updates
 

mirrorvg -m -S -c 3 rootvg hdisk11

严格镜像，后台同步，第三份镜像到hdisk11

mklvcopy hd5 3 hdisk11 hdisk12
mklvcopy hd8 hdisk11
mklvcopy hd4 hdisk11
mklvcopy hd2 hdisk11
mklvcopy hd9var hdisk11
mklvcopy hd3 hdisk11
mklvcopy hd1 hdisk11
mklvcopy hd10opt hdisk11
mklvcopy hd11admin hdisk11
mklvcopy livedump hdisk11
mklvcopy fslv00 hdisk11
mklvcopy bislv hdisk11

To synchronize the current syncvg operation with a sync rate of 512 MB/sec on a volume group named vg00, enter:
syncvg -T 512 -v rootvg

syncvg -l hd5

To unmirror a triply mirrored volume group and leave two copies
unmirrorvg -c 2 rootvg hdisk1