[Snic-users] Neolith/Kappa/Matter: possible slow performance and/or unscheduled stop during weekend

[Mats Kronberg]

Dear Neolith, Kappa and Matter users,

Good news: The planned part of todays service stop (changes to
/nobackup/global and various minor updates) has gone well.

Bad news: the unscheduled repair of the /home file system has not gone
well. Due to this we have decided not to start the systems again until
tomorrow morning at the earliest.

We are waiting for the file system vendor to let us know if and how the
file system can be repaired or if we will have to restore a backup copy.

As far as we can tell, only small parts (~150 files out of 14 million) of
the /home file system are affected, and most of those files should be
possible to restore from backup.

We will let you know more as soon as possible.


-- 
Mats Kronberg, NSC Support <support at nsc.liu.se>



On Fri, Nov 18, 2011 at 16:24, Mats Kronberg <kronberg at nsc.liu.se> wrote:

> Dear Neolith, Kappa and Matter users,
>
> Due to a file system problem on the /home file system disk performance
> can from time to time be very low.
>
> We have seen no signs of files being damaged, but if you see anything
> unusual (corrupted files, missing files etc) except for slow
> performance, please report this to support at nsc.liu.se immediately.
>
> If the situation deteriorates further we might be forced to stop all
> jobs and shut down the clusters later today, during the weekend or on
> Monday to be able to fix the underlying problem. But if at all
> possible we will try to avoid this and instead try to make repairs
> during the scheduled service stop on Tuesday.
>
>
> --
> Mats Kronberg, NSC Support <support at nsc.liu.se>
>
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