[Beowulf] SGE qconf, renaming hosts/queues?
reuti at staff.uni-marburg.de
Thu Sep 8 05:44:54 EDT 2011
Am 08.09.2011 um 01:05 schrieb mathog:
> Just finished migrating most everything on the cluster from the old
> headnode to a new one, but
> the old headnode has to remain functional for a while. Even the node
> name moved, and
> therein lies the rub. In testing I had
> node queue_names
> mendel mendel_something
> newsaf newsaf_something
> and that worked fine. Now I want to rename node mendel to oldsaf, and
> all the queue names
This is not forseen. You can only copy/paste the setting to a new queue and then delete the original one afterwards. Do you have one queue per node?
For changing hostnames it's best to remove the nodes first from SGE and then add them again with the new name.
> to oldsaf_something. Currently the mendel_* queues are all jammed,
> because by IP number mendel
> is the same machine as newsaf, and it isn't even the same architecture.
> I must be missing something, because while I see qconf/qmon options to
> modify nodes and queues, I don't
> see how to rename these. Failing that, is there an easy way to dump
> the host/queue description to a text file, edit
> that, and then re-create from the modified descriptions? There are a
> bunch of text configuration files in the
> SGE directory, but I'm guessing that editing/renaming those directly
> is a big no no.
> David Mathog
> mathog at caltech.edu
> Manager, Sequence Analysis Facility, Biology Division, Caltech
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