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Re: [Condor-users] Can this be done?
- Date: Mon, 06 Aug 2012 11:26:38 -0500
- From: Todd Tannenbaum <tannenba@xxxxxxxxxxx>
- Subject: Re: [Condor-users] Can this be done?
On 8/6/2012 9:52 AM, Ian Chesal wrote:
On Monday, 6 August, 2012 at 10:44 AM, Sarah Williams wrote:
I would like to have something like this in my condor config:
offline_nodes = [ 'machine01', 'machine02', 'machine03' ]
APPEND_REQUIREMENTS = Target.Machine not in offline_nodes
Is there any such thing?
Requirements have to reference an attribute in the machine's ad or in
the job's ad. They can't reference random configuration settings.
Well, you can have a "centralized" list of attributes at the central
manager that get inserted in the job ads dynamically at match time via
the NEGOTIATOR_MATCH_EXPRS setting - see
Having said that, I still would prefer Ian's solution discussed below.
you'd have to maintain that list of machines on every single machine in
order to reference it in a requirements expression like that. Bit of a
pain. You might as well localized the off/online-ness of a machine like so:
Try adding to the Machine's configuration:
IsOffline = False
STARTD_ATTRS = $(STARTD_ATTRS), IsOffline
When you want to make a machine offline you change:
IsOffline = False
IsOffline = True
and reconfigure the machine.
And then jobs append to their requirements:
&& (Target.IsOffline == False)
APPEND_REQUIREMENTS = Target.IsOffline == False
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Todd Tannenbaum <tannenba@xxxxxxxxxxx> University of Wisconsin-Madison
Center for High Throughput Computing Department of Computer Sciences
Condor Project Technical Lead 1210 W. Dayton St. Rm #4257
Phone: (608) 263-7132 Madison, WI 53706-1685