[Dunder-users] rossby9+smhid4 unavailable from tomorrow

[Peter Kjellstrom]

Short version: I'd like to start the restore with shorter notice than promised 
earlier. If this is a problem, tell me and I'll delay the restore until 
monday.


Dunder and Tornado users,

The transfer of rossby9 and smhid4 to tape is now almost complete. No further 
problems have been encountered. The next step is to unmount, recreate and 
restorte the filesystems. This process will take about a week and _no access 
will be possible_ until the restore has completed (warning, rought estimate, 
restoring 18 TiB of data is not something we do every day...).

Since I forgot about the 24h notice promised earlier I'd be forced to delay 
beginning the restore until monday. Guessing that many/most/all of you would 
prefer a shorter notice if this wins you two days I'm proposing to start the 
restore early tomorrow (~18h notice). If this is a problem for you just reply 
to this and say so and the restore will start monday morning.

/Peter K

On Monday 04 June 2007, Per Lundqvist wrote:
> We have now found that the problems with /nobackup/rossby9 and
> /nobackup/smhid4 are related to a hardware component on one server. We are
> currently pushing both filesystems onto tape (rossby9 is finished, smhid4
> progressing), and will will replace the faulty hardware component as soon
> as the tape transfer is finished. You will be notified with at least 24
> hours notice before we take both filesystems offline again to perform the
> switch. This operation will then take a couple of days to perform, since
> we will recreate these filesystems, and pull the contents back from tapes
> again. You will receive more information about this later.

-- 
------------------------------------------------------------
  Peter Kjellström               | E-mail: cap at nsc.liu.se
  National Supercomputer Centre  |
  Sweden                         | http://www.nsc.liu.se
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