[Beowulf] Infiniband Subnet Manager
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Prentice Bisbal prentice at ias.eduThu Aug 28 05:41:18 PDT 2008
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Since an infiniband fabric needs a subnet mananger, should the master node have an IB HCA and be connected to the IB network in order to run the subnet manager? My logic behind this is that the master node will be full enterprise-level hardware (redundant every thing), and should never go down or be rebooted during normal use. I expect the nodes to go down more frequently (not fully redundant hardware, higher operating loads, etc.). Exactly what functions does the subnet manager perform, and what happens if it disappears from the IB fabric? I've been doing research into IB all day yesterday, and I'm continuing today, so please no RTFM answers. -- Prentice
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