A system administrator has determined a root mirrored disk， hdisk1， needs to be replaced. The root volume has been unmirrored. What is the next step to remove the disk drive？（）
- A、cfgmgr
- B、rmdev -d hdisk1 -l
- C、reducevg rootvg hdisk1
- D、have the IBM CE replace the disk
正确答案:C
答案解析:有
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