Oracle Error Message
ORA-15292: Disk name string is being used by another disk
Reason for the Error
The specified disk name could not be reused because an 11.1.0.6.0 or earlier database instance had it cached in memory.
Solution
Do one of the following
– Specify a different name for the disk.
– Wait for the rebalance to complete successfully.
– Identify the database instance with the problem and shut it down before retrying the command.