hpc

Dealing with the pbs_server qstat bug

hpc, torque
Occasionally we need to restart the pbs_server daemon on our clusters to implement config changes, such as adding text tags in our previous post.  There is a bugfeature in PBS such that after issuing a restart of pbs_server, CPU times…
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Advance notification of downtime

hpc
Advance notification of downtime, June 2014: Please be aware that the ICTS HPC clusters (Hex, Hpc and Grid) will be shut down on the weekend of the 21-22 June 2014 for data center maintenance.  All jobs must be stopped or…
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UCT eResearch Center and new team member

hpc
UCT's Senior Leadership Group has approved the formation of an eResearch Center. We will provide more news on this exciting development soon.
We would also like to welcome a new member to the ICTS eResearch team, Anelda van der Walt,
…
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Tower of power

hpc
Last month we took delivery of four new Dell C6145 servers with 64 cores and 128GB of RAM each.  This effectively doubles our 600 series from 256 to 512 cores.  Our dashboards have undergone a facelift over the last month
…
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Brief HPC Headnode Outage

hpc
This morning we expierenced a brief headnode outage. Two of the physical VM nodes lost sight of a specific data store on which the hex headnode resided. The nodes were restored within 15 minutes and the headnode brought back into…
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Data mining and dashboard

hpc
The current state of the dashboard is not an error. We realize that node 603 is now sitting below the other 600 series servers, however this is part of our code testing for the new dashboard which is going to…
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Phase transition

hpc
Those of you who pay attention to the hex dashboard may have noticed the appearance of several new series, which are frustratingly inaccessible.  ICTS engineers have been implementing a UCT cloud over the last few months and one of the…
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BioPerl

hpc
We've installed BioPerl on hex.  This is a toolkit of perl modules useful in building bioinformatics solutions. BioPerl…
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Hex Headnode – Downtime

hpc
Unfortunately the Hex headnode had a bit of a wobble and needed a restart. There was a brief 5 minute interruption to restart the server. The server is now available. Apologies for the downtime.…
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