Nottingham University

Clusters and Conferencing

A tale of two Grids

William Armitage

wja@cs.nott.ac.uk

IMA talk 3rd Feb 2009

http://www.cs.nott.ac.uk/~wja/clusconf/

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1 Mark 1 Cluster 2005

mark1 cluster

Footer

2 Jupiter Pictures

IS pictures of Mark 1 http://www.nottingham.ac.uk/hpc/html/facility/pictures/index.php
Streamline presentation on the Mark 1 http://www.cs.nott.ac.uk/~wja/clusconf/STR01.pdf

3 Triton

Triton

Triton and its slaves are in the black rack on the right.

4 Mark 2 Cluster 2008

mark2 cluster

Footer

5 Mark2 Links

IS pictures of Mark 2
http://www.nottingham.ac.uk/hpc/html/facility/pictures/index2.php
Colin Bannisters presentation on the Mark 2 cluster
http://www.cs.nott.ac.uk/~wja/clusconf/colin_bannister.pdf

6 Revised Timeline

May 2005 Triton first users
periods of downtime due to storage meltdowns
Mar 2008 New machines arrive
Problems with Motherboards
Problems with new network switches
Aug 2008 Towers A-D upgraded
No longer accesable from Triton
Only beta access
8th Sept 2008 Powercut seriously breaks Triton filestore
Jan 2008 Replace motherboards
Feb 2008 Replace network
Run acceptance tests?