单选题An administrator needs to replace a failed internal disk in a mirrored rootvg. Which of the following is one of the steps that must be followed（）ADeallocate rootvg mirrorBUse hot replace managerCBreak rootvg mirrorDDeallocate LPs from failed disk
单选题
An administrator needs to replace a failed internal disk in a mirrored rootvg. Which of the following is one of the steps that must be followed（）
A
Deallocate rootvg mirror
B
Use hot replace manager
C
Break rootvg mirror
D
Deallocate LPs from failed disk
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