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ORA-29770 LMHB Terminates Instance as LMON Waited for Control File IO or LIBRARY CACHE or ROW CACHE Event for too Long [ID 1197674.1]
Cause
RAC critical background processes (LMON, LCK0, LMD0 etc) did not participate heartbeat for longer than default threshold of 70 seconds as it is waiting for control file IO, library cache or row cache waits which could take longer time.
The problem is caused by Unpublished Bug 8888434 and Bug 11890804.
Solution
Fix for Bug 8888434 is included in 11.2.0.2, LMHB will not terminate critical RAC background processes if they are waiting for the above mentioned events for too long
Fix for Bug 11890804 is included in 11.2.0.3, without the fix, LMHB may immediately kill processes that has exceeded the timeout but went into another wait.
Refer Document 8888434.8 and Document 11890804.8 for more details.
要升级到11。2。0。3 |
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