[Tornado-users] Re: tornado/dunder: service stop on Tue May 27 0800 CEST

[Per Lundqvist]

And now is /nobackup/skb1 available again. Thanks for your patience,

/Per


On Tue, 27 May 2008, Per Lundqvist wrote:

> The service stop on Tornado is now over. All filesystems _except_ for 
> /nobackup/skb1 are available. 
> 
> The batch queueing system is running again, so any jobs touching 
> /nobackup/skb1 will have to be rerun and mofified to run on another 
> filesystem until it is available again. 
> 
> /Per
> 
> 
> On Tue, 27 May 2008, Per Lundqvist wrote:
> 
> > These are now available from Tornado:
> > 
> >    /nobackup/misu1
> >    /nobackup/rossby4
> >    /nobackup/rossby5
> >    /nobackup/rossby6
> >    /nobackup/rossby7
> >    /nobackup/rossby8
> > 
> > /Per   
> > 
> > On Tue, 27 May 2008, Per Lundqvist wrote:
> > 
> > > The following filesystems are now available again from Dunder and Tornado:
> > > 
> > >    /nobackup/rossby1
> > >    /nobackup/rossby2
> > >    /nobackup/rossby3
> > >    
> > > /Per
> > > 
> > > On Tue, 27 May 2008, Per Lundqvist wrote:
> > > 
> > > > The stop is not over yet, but the login node on Tornado is now available.
> > > > 
> > > > Note that no /nobackup-filesystem is available at the moment. The 
> > > > remaining filesystems will be available as soon as we are finished with 
> > > > the maintenance of them.
> > > > 
> > > > /Per
> > > > 
> > > > 
> > > > On Mon, 19 May 2008, Per Lundqvist wrote:
> > > > 
> > > > > On Tue May 27 0800 CEST, _all_ distributed filesystems on Dunder and 
> > > > > Tornado (i.e. /home and /nobackup/*) will be taken offline for maintenance 
> > > > > of the corresponding disk servers.
> > > > > 
> > > > > Since this also affects /home on both systems, everybody will have to be 
> > > > > logged out while the corresponding disk server is being checked - we will 
> > > > > prioritize /home though, so that you may log in as soon as possible.
> > > > > 
> > > > > The batch queuing system will be stopped during this - i.e. we will put a 
> > > > > blocking reservation that prevents jobs to run at the time.
> > > > > 
> > > > > The amount of time for this is uncertain, an initial estimate is that we 
> > > > > are done ~ 2000 on the same day.
> > > > > 
> > > > > Schedule Tue 27/5:
> > > > >    0800 - stop begins, everybody will be logged out from dunder and
> > > > >           tornado. The batch queuing system will be stopped.
> > > > >    ...	- all distributed filesystems will be unmounted from all nodes
> > > > > 	  on Dunder and Tornado
> > > > >    ...	- maintenance begins on all disk servers
> > > > >    ...  - filesystems will be mounted again as soon as possible (/home
> > > > >           prioritized)
> > > > >    ...	- when /home is available you will be notified and be able to
> > > > >           log in again
> > > > >    ...	- when the rest of the filesystems on each respective
> > > > >           filesystem are available you will be notified and the batch
> > > > >           queuing system will start again.
> > > > > 
> > > > > /Per
> > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > > 
> > 
> > 
> 
> 

-- 
Per Lundqvist

National Supercomputer Centre
Linköping University, Sweden

http://www.nsc.liu.se