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Re: [HTCondor-users] correction: How to change machine availability for job execution?
- Date: Mon, 01 Feb 2016 10:27:31 -0600
- From: Todd Tannenbaum <tannenba@xxxxxxxxxxx>
- Subject: Re: [HTCondor-users] correction: How to change machine availability for job execution?
On 2/1/2016 9:36 AM, Lee Gramling wrote:
If I have several machines that can run jobs but want to be able to make
a machine unavailable perhaps thru a desktop gui and then make it
available again later, do I just change the condor_config file locally?
I am not sure I follow your question above, but if I understand you
correctly, you wish to control if individual machines in your pool are
willing to run jobs or not from a centralized location. You could
accomplish this a number of ways. Assuming your centralized location is
a machine that has administrator access to your pool (i.e. a machine
that is listed in your ALLOW_ADMINISTRATOR, such as your central
manager), some quick ideas off the top of my head about what you could
do on that central manager to stop jobs from running on machine xxx.edu
1. You could run "condor_off xxx.edu" to turn of HTCondor on that node,
then "condor_on xxx.edu" to turn it back on.
2. If the condor_config file(s) for the machines are on a shared file
system, you could edit the config file for machine xxx.edu so that
START = False
and then issue a condor_reconfig -name xxx.edu.
3. If the condor_config files are not on a shared file system, you could
edit the config as above remotely via condor_config_val -rset, assuming
all the various config knobs to allow remote configuration are set.
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Todd Tannenbaum <tannenba@xxxxxxxxxxx> University of Wisconsin-Madison
Center for High Throughput Computing Department of Computer Sciences
HTCondor Technical Lead 1210 W. Dayton St. Rm #4257
Phone: (608) 263-7132 Madison, WI 53706-1685