ORA-00230: operation disallowed: snapshot controlfile
enqueue unavailable
Answer Posted / jiwitesh
RMAN makes up to five attempts to get the enqueue and then
fails the job. The conflict is usually caused when two jobs
are both backing up the control file, and the job that
first starts backing up the control file waits for service
from the media manager.
Solution Commonly, enqueue situations occur when a job is
writing to a tape drive, but the tape drive is waiting for
new tape to be inserted. If you start a new job in this
situation, then you will probably receive the enqueue
message because the first job cannot complete until the new
tape is loaded.
Kill all the hanging session or wait to finish the seeion
and then retry.
| Is This Answer Correct ? | 8 Yes | 1 No |
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