Microsoft released the second service pack of HPC Pack 2008 software. “This service pack is a minor bug fixing release, it doesn’t add any major new functionality. It does fix various reliability issues, and is suggested that all users of HPC Pack 2008 install it. SP supercedes (includes the fixes for) the Post-SP1 updates that’ve been released: KB 975890 – A fix that improves MPI performance when running an Nehalem processors; KB 978570 – A fix that will help prevent the Boot.wim file from growing excessively large. If a cluster already has a large (>200megs) boot.wim manual repair steps still need to be taken; KB 973710 – A fix that improves the interaction between SOA-based jobs and the ‘immediate preemption’ feature of the HPC job scheduler; KB 981193 – Added support for the ‘IsExclusive’ flag to SOA service jobs,” noted Microsoft. You can manually install SP on any system running HPC Pack 2008 SP1 from the link below. Starting next month the update will be available through Microsoft Update for all systems except failover/HA head node pairs (those need to be manually installed). Note, for either installation method SP1 must already be installed for this service pack to apply.
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