OCP-1Z0-053-V12.02-534题

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534.How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet

completed?

A. Issue the ALTER DISKGROUP ... ADD DISK command.

B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.

C. Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.

D. Retrieve the disk from the Recycle Bin after the operation completes.

Answer: B

答案解析：

参考：http://blog.csdn.net/rlhua/article/details/12972983

在没有完全drop前，可以使用undrop取消drop

Undropping a Disk from a Disk Group: Example To cancel the drop of disks from a disk group, dgroup_01, issue the following statement:

ALTER DISKGROUP dgroup_01

UNDROP DISKS;