[Driftstörning] Re: [Driftstörning] Network maintenance on February 9th, starting at 17:00.

[Göran Bengtson]

On Wed, 27 Jan 2016, Göran Bengtson wrote:

> From: Göran Bengtson <goeran at chalmers.se>
> To: driftstorning at lists.chalmers.se
> Message-ID: <alpine.LRH.2.03.1601270826220.31598 at cdg.chalmers.se>
> Date: Wed, 27 Jan 2016 15:51:52 +0100
> Subject: [Driftstörning]  Network maintenance on February 9th,
>     starting at 17:00.
> 
> We must upgrade the software in the routers in the computer center. This
> work is planned for February 9th, starting at 17:00. It may take up
> to 1 hour.

This maintenance is postponed until February 16th, starting at 17:00.

>
> The routers are redundant and the upgrade will, if all work as expected,
> not cause any major service impact. However, in case of major problem,
> most central services (network, as well as other) are at risk.
>
> Four single-attached connections/services/systems WILL loss connectivity (in 
> the order of 5 to 10 minutes).
> They are the c3se system amy.c3se.chalmers.se and three IT Services systems
> (isis.ita.chalmers.se - the old backup server), ewing.ita.chalmers.se and
> sccm01.ita.chalmers.se - installation servers).
>
> 			/ Göran Bengtson
> 			  IT Services Infrastructure

 			/ Göran Bengtson
 			  ITAvdelningen Infrastruktur/Nät/CDG
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