server reboots every 9 hrs like clock-work

Kris Kennaway kris at obsecurity.org
Tue Sep 27 08:51:31 PDT 2005


On Tue, Sep 27, 2005 at 10:17:02AM -0400, Jason Lieurance wrote:
> Hello,
> 
> Our file server is a compaq proliant 320DL 1U w/ 512MB ram, 18GB 320 scsi, 73GB 320
> scsi, P3 1 Ghz, running FreeBSD 4.9, samba 3.0.5.
> 
> HAd it for about 16 months, been running great. About 3 months ago it rebooted with
> nothing in the logs or any track of a problem. I chalked it up to isolated glick.
> THen another reboot a month later. Now its every 9 hours give or take some minutes
> and seconds. Again, nothing in the logs.
> 
> First, I added more ram(crucial)(only had 256MB initially), no help. then I ran
> memtest and running it with 128MB it uses mlock and runs and says no problems.
> Whenever I try to run memtest with more than 128, it won't mlock it(says can't) and
> says it will be slower and less relieable but it finishes not-the-less and its ok.
> 
> I've run fsck -fy /dev/(mount) on all the mounts. It fines and fixes stuff on some
> reboots but it doesn't always fine errors(its a file server so I figure there'll be
> some since files were open when it rebooted).
> 
> I frustrated and don't know what to do.

Check power supply, CPU cooling, try putting it behind a UPS in case
your AC power is dropping out (e.g. due to increased load from
something kicking in every 9 hours, etc).

Kris
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