Hansen
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Hansen: unscheduled outage to Lustre scratch
Update The error condition on the Lustre filesystem has been cleared, and Hansen is back in production and accepting new jobs. Jobs already running should have resumed at the point where they were blocked waiting when the Lustre error occurred. This...
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Hansen MPI Software Changes - December 16, 2011
As a follow up to our earlier tip describing the optimal MPI for computations on Hansen, we are undertaking an effort to reduce the number of maintained MPI implementations. This will make it easier for you, the user, to identify and use the best MPI...
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Updated 11/30/11: Network engineers have identified the cause of the network issue in question, and have applied a workaround, which has restored the Hansen network to full functionality. The next maintenance window to address to address the root cau...
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Optimizing MPI performance on Hansen
To provide an optimal computing experience on the new Hansen cluster, ITaP would like to offer some tips on utilizing Hansen most effectively. Hansen utilizes Mellanox 10 Gbps Ethernet adapters for its network interconnect. In addition to handling H...
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Hansen Cluster is in Production
As of 10:00 AM, September 15, 2011, the Hansen Community cluster has gone into production. Hansen is comprised of 200 Dell computer nodes, with four 12-core AMD Opteron 6176 processors (48 cores per node), and is interconnected with RDMA-enabled 10Gb...