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тАО04-04-2007 04:38 AM
тАО04-04-2007 04:38 AM
Alpha Server gs160 hangs
This is second time the server was hung and all the jobs cancelled. We had no any other alternative but to "boot" the system.
How can I find out what causes sytem to hang and how can fix this problem.
I need help ASAP because this is our production machine.
Thanks
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тАО04-04-2007 04:58 AM
тАО04-04-2007 04:58 AM
Re: Alpha Server gs160 hangs
If the system did not generate a system crash, use the console crash command to force a memmory dump.
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тАО04-04-2007 05:10 AM
тАО04-04-2007 05:10 AM
Re: Alpha Server gs160 hangs
One more question. We do not have decevent on Tru64. You mentioned webes.. Can I down load window base and install on win XP to monitor Tru64.
What is easy way. I am not really a tru64 guru that is I would comfortable installing on windows XP but if I need to be on GS160 I can go thru trouble.
Thanks
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тАО04-04-2007 05:41 AM
тАО04-04-2007 05:41 AM
Re: Alpha Server gs160 hangs
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тАО04-04-2007 08:08 AM
тАО04-04-2007 08:08 AM
Re: Alpha Server gs160 hangs
Question We have Alpha Server GS160 with O/s 5.1B. with 12GB memory and 8 CPus. We running Oracle 9i and the database is in archive log mode.
It used to work right?
So what were the latests changes (quantity and quality)
- more load?
- patches?
- tuning?
WAG ... you are in lazy (default) swap mode and have over commited memory and swap space.
Check with swapon -s once hte system is back up and running.
>> We had no any other alternative but to "boot" the system.
Call support. Involve more able people.
>> I need help ASAP because this is our production machine.
Call support. You are paying for that no?
>> How can I find out what causes sytem to hang and how can fix this problem.
Check log files: /var/adm/messages
Run (performance) monitors and most importantly actually try to interpret what they indicate: sar? collect? vmstat 100 100
>>> What is easy way. I am not really a tru64 guru that is I would comfortable
Call support. Warn your management that they gave you a task for which you are currently not properly equiped. Warn them politely that THEY, not you, are putting production at risk.
Hope this helps some,
Hein van den Heuvel (at gmail dot com)
HvdH Performance Consulting