Memory Block Header Corruption
Posted in 1998
Dear People,
Below is an excerpt extracted from the Informix log file. The problem =
resulted in the database corruption but since then, the database has =
been restored.
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-------------------------------------------
14:04:02 Checkpoint Completed: duration was 6 seconds.
14:07:46 Pool =3D 0xa9da010, Pool name =3D 24452, Blkhrd =3D 0xabe2050
14:07:46 Possible memory block header corruption
14:07:46 mtshpool.c, line 2541, thread 24526, proc id 647, Condition =
Failed (CHECK_ALLOC_BLOCK), In ?. Thread (24526, sqlexec, 0, 1).
14:07:46 PANIC: Attempting to bring system down?
?
?
14:14:44 Assert Failed: Page Check Error in btposition: bad btree =mode
14:14:44 Who: Thread (8, main_loop(), a011878, 1)
14:14:44 Results: Possible inconsistencies in index ='sysmaster:"informix".sysdatabases-Key#1'
14:14:44 Action: Run 'oncheck -CI 1048578'
14:14:44 See Also: /cts2/tmp1/af.4797aa, shmem.4797aa.0
14:15:24 INFORMIX-OnLine Stopped.
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Can anyone describe the cause of the problem and what measures need to =
be undertake
to prevent such occurence ?
Thanks and warm regards
Richard W Sinyem