[Issues] Groningen GPFS file system issues

[Ewout Helmich]

Hi everyone,

The storage is up again.

Cheers,
Ewout

On 12/07/2017 12:04 PM, Ewout Helmich wrote:
> Hi everyone,
>
> There are issues with the storage system in Groningen. Reading / writing
> files larger than ~64MB seems to fail. Below is the message from the CIT
> about this. So please stop processing in Groningen until this is fixed.
>
> Regards,
> Ewout
>
>
> =============================
>
> Hi all,
>
> Yesterday we did some dryrun gpfs2 checks, and it turns out we have to
> do some maintenance on the filesystem to hopefully get it fixed. It
> looks like we have a mismatch in 2 metadata-servers.
>
> so for this afternoon:
>
> - unmount all gpfs2 storage on the application nodes
> - stop all gpfs2 clients (app,storage,metadata)
> - reboot metadata-servers
> - start gpfs clients (storage gpfs2, metadata gpfs2)
> - repeat fsck dryrun
> - check/compare results
> - do a 'real' fsck
>
> Please stop your processing (if any) on gpfs2 to help us umount/stop the
> gpfs-clients the normal way.
>  
> We will keep you informed!
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