[Tornado-users] Re: tornado: service stop 0800 CET, 2010-01-27

[Per Lundqvist]

The service stop on Tornado is now over

/Per

On Tue, 19 Jan 2010, Per Lundqvist wrote:

> Due to a planned downtime affecting Accumulus (see forwarded mail
> below), there will be a full service stop on Tornado.
> 
>    0800 CET Wednesday January 27
> 
> During this time no jobs will be able to run and no users will be
> logged in. We will notify you by email when tornado is available
> again.
> 
> /Tornado Admin
> 
> ---------- Forwarded message ----------
> Date: Mon, 18 Jan 2010 09:39:23 +0100
> From: Kent Engström <kent at nsc.liu.se>
> To: gimle-users at lists.nsc.liu.se, bore-users at lists.nsc.liu.se
> Cc: accumulus-admin at nsc.liu.se, bore-admin at nsc.liu.se
> Subject: Planned downtime January 26-27 affecting Gimle, Tornado, Vagn, Bore
> 
> Planned downtime schedule for January 26-27
> Affecting Gimle, Tornado, Vagn, Bore
> 
> We have two planned jobs that will require downtime in the near
> future:
> 
> - Preparing the Gimle Nehalem extension for the addition of
>   24 new nodes.
> 
> - Preparing the Accumulus storage system for the addition of
>   24 new disk servers (currently undergoing acceptance
>   testing).
> 
> 
> We will combine the two downtimes to reduce the user impact.  The
> current planning is:
> 
> TUESDAY, JANUARY 26: Starting in the morning, downtime for the Nehalem
> partition on Gimle while our vendor carries out installation work and
> recabling to make room for the additional 24 nodes. The Nehalem
> partition continues to be down until the end of the stop on Wednesday.
> 
> WEDNESDAY, JANUARY 27: At noon, downtime starts for all of Gimle and
> also for the other Accumulus clients Tornado and Vagn. For a short
> time in the beginning, Bore too will be down (to be scheduled
> between runs). In the evening, the downtime ends for all systems.
> 
> Following these preparations, there will not have to be any downtime
> when the new Nehalem nodes and the new disk servers are brought
> on-line.
> 
> 

-- 
Per Lundqvist

National Supercomputer Centre
Linköping University, Sweden

http://www.nsc.liu.se