Shared memory segments
Posted in 2010
Don't have an answer for you off hand, but I did fix your subject line so it doesn't look like spam.
--EEM
-----Original Message-----
From: informix-list-bounces@iiug.org [mailto:informix-list-bounces@iiug.org] On Behalf Of qingchuntrade
Sent: Monday, December 27, 2010 7:54 PM
To: informix-list@iiug.org
Subject: Introduction to the three designer handbags(Chanel,Coach,Prada)
Due to an interrupted ontape restore, I was left with a down informixserver with its shared memory segments still being reported by ipcs. I carefully removed all the segments using ipcrm, being careful not to remove any used by the other two instances on the host, but when I removed a semaphore segment from the fouled instance, the other two abruptly crashed with "Assert Failed: semop: errno = 36" messages appearing in the Informix message logs for each.
Has anybody else experienced this? I can find no mention of this behavior in Informix manuals, online, etc. I assume that in some way the other instances are using that segment of memory.
Using IDS 11.50.FC4 on HPUX 11.23 (memory management with this O/S has always seemed problematic).
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