[condor-users] Submission and Worker Machines Out of Sync

[Alexander Klyubin <A.Kljubin@xxxxxxxxxxx>]

Hello!

I'm experiencing a strange problem with Condor. When a machine, where a 
simulation is running, is rebooted, switched off, or simply disconnected 
from the network for a period of time and then connected back, the 
shadow process on the submission machine still thinks the simulation is 
running on that machine. After the "outage" the worker machine appears 
in the pool in Unclaimed or Owner state. So, simply by comparing the 
output of condor_status and condor_q -run one can see the discrepancy -- 
according to condor_status the machine is not running anything, whereas 
according to condor_q it is.  Moreover, Condor may even start another 
job on this worker machine. In this case, condor_q shows that the 
machine is running several jobs at the same time.

Condor does not see this discrepancy even hours after the "outage". 
Basically, it never notices anything.


Worker machines are running 6.5.5 and 6.5.4, whereas the central manager 
/submission machine (Linux) is running 6.6.0 (the same problem appeared 
also with 6.5.5 on the central manager/submission machine). I'm 
wondering if anybody else has experienced this problem or is it my 
mistake in configuring the pool. I'm using default settings as far as I 
can see.


Kind Regards,
Alexander Klyubin
Condor Support Information:
http://www.cs.wisc.edu/condor/condor-support/
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