A mirrored rootvg internal disk, hdisk1, has failed and must be replaced. The remaining mirrored
disk, hdisk0, is intact and functioning normally. What is the correct sequence of actions?

A.
unmirrorvg rootvg hdisk1
reducevg roolvg hdisk1
rmdev -I hdisk1 -d
physically replace hdisk1
cfgmgr
extendvg rootvg hdisk1
mirroivg rootvg
Run a bosboot on both disks

B.
rmdev-l hdisk1 -d
physically replace hdisk1
cfgmgr
unmirrorvg rootvg hdisk1
reducevg rootvg hdisk1
extendvg rootvg hdisk1
mirrorvg rootvg
Run a bosboot on both disks

C.
unmirrorvg rootvg hdisk1
rmdev-I hdisk1 -d
physically replace hdisk1
reducevg rootvg hdisk1
cfgmgr
extendvg rootvg hdisk1
mirrorvg rootvg
Run a bosboot on both disks

D.
unmirroivg rootvg hdisk1
reducevg rootvg hdisk1
rmdev -I hdisk1 -d
physically replace hdisk1
cfgmgr
extendvg rootvg hdisk1
Run a bosboot on both disks
mirrorvg rootvg

Explanation: