单选题Which of the following procedures should occur before removing a failing disk from a volume group?（）AVeryoff the volume groupBUnmount any filesystems on the diskCRemove all physical partitions on the diskDUnmount mirrored filesystems from the disk
单选题
Which of the following procedures should occur before removing a failing disk from a volume group?（）
A
Veryoff the volume group
B
Unmount any filesystems on the disk
C
Remove all physical partitions on the disk
D
Unmount mirrored filesystems from the disk
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