[gridengine users] sgemaster crash
Manfred.Selz at diasemi.com
Fri Feb 5 15:02:52 UTC 2016
this week I have observed the (6.2u5) sgemaster crashing several times on one of our sites.
The last message in the "messages" file was always like this:
02/05/2016 14:37:30|worker|mnsrvgems-02v|C|Removing element from other list !!!
Automatic migration to the alternate master hosts (as define in the shadow host list) also failed, with the new sge_qmaster also crashing (after one minute or less).
Only after several attempts I was able to start the master again, but not without having some queues damaged (jobs being lost).
This has never happened before since I took over the SGE admin role in our company more than four years ago, and the messages file does not provide an obvious reason. Sometimes I see a line like this before crashing:
02/05/2016 14:37:12| main|mnsrvgems-02v|W|removing reference to no longer existing job 5335536 of user ...
I have also looked at the local host specific messages files.
If anybody has a good idea what I could look into, I'd appreciate this a lot.
Is there an efficient way to trace (strace?) the master process?
Senior CAD Engineer
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Manfred.Selz at diasemi.com<mailto:Manfred.Selz at diasemi.com>| www.diasemi.com<http://www.diasemi.com/>
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