Lustre discuss - Dec 2008 - Lustre-discuss Digest, Vol 35, Issue 5

Hi Brian;

Thanks for the advice.  The messages you saw were immediately prior to
the kernel panic - the console showed the kernel panic and the messages
on the console were about brw_writes and OST timeouts.
I did do a baseline, so will try to determine the appropriate number of
threads.  You are right that we were probably oversubscribing the
storage and just recently became overloaded with the number of Gaussian
jobs running.
Is it typical for a kernel panic in this situation?

Thanks,
Denise


On Thu, 2008-12-04 at 01:27 -0800,
lustre-discuss-request at lists.lustre.org wrote:

On Thu, 2008-12-04 at 07:40 -0700, Denise Hummel wrote:
> Hi Brian;
Hi.
> Thanks for the advice.
NP.
> The messages you saw were immediately prior to
> the kernel panic
There was no kernel panic in the messages you sent.  You need to
understand that watch dog timeouts are not kernel panics although they
do show a stack trace similar to kernel panics.

If you do have an actual kernel panic, it was not included in the
messages you sent.
> I did do a baseline, so will try to determine the appropriate number of
> threads.  You are right that we were probably oversubscribing the
> storage and just recently became overloaded with the number of Gaussian
> jobs running.
> Is it typical for a kernel panic in this situation?
As I have said before, there was no kernel panic.

b.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: This is a digitally signed message part
Url :
http://lists.lustre.org/pipermail/lustre-discuss/attachments/20081204/5e4a1ca4/attachment.bin