Okay, this is really easy since they added the mirrorvg command, but here’s the checklist anyway:
extendvg rootvg hdisk1
mirrorvg rootvg hdisk1
syncvg -v rootvg
bosboot -ad /dev/hdisk1
savebase -d /dev/hdisk1
bootlist -m normal -o hdisk0 hdisk1
Okay, this is really easy since they added the mirrorvg command, but here’s the checklist anyway:
extendvg rootvg hdisk1
mirrorvg rootvg hdisk1
syncvg -v rootvg
bosboot -ad /dev/hdisk1
savebase -d /dev/hdisk1
bootlist -m normal -o hdisk0 hdisk1