system news

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Mon, 2011-08-29 16:18 | Birgitte Brydsö

Due to a leak in the feed to the cooling system Umeå Energi have to do some emergency repairs which may result in our cooling system failing and thus affecting all our clusters.

We have therefor stopped the batch systems from starting new jobs.

We will start the batch system when everything is stable again.

UPDATE (20110825):
According to Umeå Energi the cooling repairs are expected to be finished not earlier then Thursday evening/night (20110825)
Until then we have to keep Akka and Ritsem turned off due to insufficient cooling.

On Tuesday August 16 between 06:00 and 06:30 local time there will be a complete power outage on the Umeå University Campus due to revision of the high voltage supply system.

All clusters will be offline during the outage, with some margins before and after.

Wed, 2011-06-29 15:17 | Niklas Edmundsson

On June 14th maintenance on the electrical feed to our cluster computer room will be performed.

We estimate this to start at 09:00 on June 14th and be finished during the afternoon.

Akka and Ritsem will be turned off completely during this maintenance window. Jobs that have a walltime extending into the above time frame will not be allowed to start. This means that during the days leading up to the time frame Akka will seemingly have free nodes available but jobs will will not start.

We apologize for any inconvenience this may cause.

The problems in the batch-system have been fixed and it works normally again.

Mon, 2011-03-07 15:51 | Birgitte Brydsö