[GE users] qalter : modifying hostnames

David Barnes David.Barnes at xilient.com
Thu Oct 9 22:26:55 BST 2008


Of course, I meant "man sge_types"... :-)


-----Original Message-----
From: David Barnes [mailto:David.Barnes at xilient.com]
Sent: Thursday, October 09, 2008 1:45 PM
To: users at gridengine.sunsource.net
Subject: RE: [GE users] qalter : modifying hostnames

Hi Jim,

Try this:

-l hostname="rnode1|rnode2|rnode3"

Do "sge_types" for additional info.

Rgds,
David


-----Original Message-----
From: Jim Polk [mailto:jimp at gradientfx.com]
Sent: Thursday, October 09, 2008 12:04 PM
To: users at gridengine.sunsource.net
Subject: [GE users] qalter : modifying hostnames


Hello,
Been programming for years, but new to this list, and still relatively
new to GridEngine.

We're doing maya/mental ray image rendering, and submitting those as
task array jobs,
if I have the terminology right.  Recently, we've needed to modify the
hostnames that
each invidividual job is running.  For example, when the job was first
submitted it was
able to render on any machine/hostname, then later on, we need to
confine this job
to just a small number of machines.

 From reading the documentation, it appeared that the "qalter" command
(using the -l hostname=xxx option)
would do the trick.  (We're using 6.1u4, btw)  The command line man page
says that multiple "-l" flags
can be given....like so:

       qalter -l hostname=rnode1 -l hostname=rnode2 -l hostname=rnode3

the documentation seems to imply that that our job in question would be
constrained to only run on
our hosts named "rnode1", "rnode2", and "rnode3".  But curiously, only
the last argument "takes"...
Meaning that the job now only runs on "rnode3", and won't run on
"rnode1" or "rnode2".

Can anyone help me and shed some light on how I might accomplish this?

Thank you very much,
-Jim Polk


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