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DROPPING - Disk has been manually taken offline and space allocation or data access for the disk halts. Rebalancing will commence to relocate data off the disks to other disks in the disk group. Upon completion of the rebalance, the disk is expelled from the group.
looks ok...wait for few mins and check the status again as once disk will dropped then disk group is rebalanced by moving all of the file extents from the dropped disk to other disks in the disk group.
make sure rebalance power is > 0. How long it takes will depend on your I/O subsystem and rebalance power.
Thanks for your reply.
We got the error ORA-04031 in alert log.It's 500gb disk.Now rebalancing is completed.It took 11 hours to complete.
We dropped the disk by sql*plus.
When we dropped a disk by OEM,it took less time than sql*plus.Is there any reason?
Thanks & Regards,