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Help on System Freeze in SCO


 
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Operating Systems SCO Help on System Freeze in SCO
# 1  
Old 10-28-2009
Help on System Freeze in SCO

Hi,

My SCO server freezes suddenly. I just want to know if there any tools / commands availble that can find which is causing the freeze?

Any help on this would be greatly appreciated.

Regards,

Ravikumar R
# 2  
Old 10-28-2009
Check first that it really is hung by telneting or sshing from another machine- it may just be the console. Hook up a serialconnection - maybe it's just the nic and the console.

If it really is frozen solid, then hardware is suspect: power supply, scsi termination, scsi cables, motherboard. In the old days, slightly low power from a defective power supply could do this - I don't know if that's still true with modern m/b's.

A kernel call that is completely masked and is stuck in a loop would create a "frozen" machine. That's pretty unlikely.
# 3  
Old 10-28-2009
There are some documented instances of problems/workarounds etc. Look at
The SCO Group, Inc. | Support | SCO Product and Maintenance Download Page to see if you are missing updates or patches.
It would help to know the release number and hardware configuration.
# 4  
Old 10-29-2009
I've seen several failing with power issues. Does your lighting flicker? Are you on a UPS? If so, have you tested to see if the batteries are possibly shot?
# 5  
Old 10-29-2009
Thanks to all with your replies. I will just check if there are any issues with Harware or with UPS.

Is there any monitoring tool or utilities availble to check what might cause this? I came to know there is one open source utility "NAGIOS". Can i use this for SCO 7.1.3?

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