[Bi-users] POSTPONED: Bi and Accumulus unavailable on Tuesday, 1 March

Kent Engström kent at nsc.liu.se
Mon Feb 21 16:18:47 CET 2022


Dear Bi Users,

the downtime scheduled for 1 March has been postponed. We will get back
to you when we know the new date.

Kent Engström <kent at nsc.liu.se> writes:
> Dear Bi Users,
>
> NSC has installed new UPS systems in the Kärnhuset computer room.
>
> We need to turn off power to complete the installation, and then run a
> load test to verify that the delivered system performs as promised.
>
> This means that you will not be able to access Bi at all during this
> work as it will be turned off. This also affects the Accumulus storage
> systems, and the Tetralith/Sigma clusters (with its storage) located in
> the same computer room.
>
>
> We have scheduled this for 2022-03-01, starting at 08:00 CET. We hope to
> be able to let you in to Bi again around 15 CET, but will inform you
> when we are done (or if there is a substantial delay).
>
>
> As always, remember that jobs queued the week before the downtime will
> not start until afterwards if their time limits are longer than the time
> remaining until the downtime.

-- 
Kent Engström, National Supercomputer Centre
kent at nsc.liu.se, +46 13 28 4444



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