单选题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
cfgmgrB
rmdev -d hdisk1 -lC
reducevg rootvg hdisk1D
have the IBM CE replac
题目
单选题
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？（）
