[Beowulf] New member, upgrading our existing Beowulf cluster

Mark Hahn hahn at mcmaster.ca
Thu Dec 3 14:29:10 EST 2009


>> if a single node goes down, you need to take down all the
>> nodes in the chassis before you can remove the dead node. Not very
>> practical.
>
> Eh? What's so hard about marking the other nodes as unusable in your
> batch system, and waiting for them to become free?

depends on your max job length.  but yeah, idling three nodes for a week
is not going to be noticable in anything but a quite small cluster...
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