[torqueusers] downing a node via qmgr

Garrick Staples garrick at usc.edu
Wed Sep 21 13:02:28 MDT 2005

On Wed, Sep 21, 2005 at 12:22:03PM -0400, Stewart.Samuels at sanofi-aventis.com alleged:
> I have just experienced strange behaviour with qmgr.  We currently
> have a node which is rebooting itself constantly.  To take the system
> out of the cluster to diagnose the problem, I have specify the
> following command:
> 	qmgr -c 's n node-name state=down'
> For a few moments, once the qmgr command is issued, subsequent
> "pbsnode -a" commands show node-name "down".  But for some reason, it
> then shows the node as "free" again.

As was already pointed out, use pbsnodes -o/-c.

> When there is such a failure (this has occurred a few times in our
> cluster), is there a way (other than qmgr) of temporarily removing
> nodes in which deleting the node in the server_prive/nodes file and
> restarting pbs_server using the "-t create" argument is not necessary?

"-t create" is only used once, when pbs_server is initially installed.
It should never be used once the db is created.

Garrick Staples, Linux/HPCC Administrator
University of Southern California
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