RestartQueue
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Restarting grape's queue
If you see this error:
[root@grape ~]# showq
ERROR: cannot send request to server grape:42559 (server may not be running)
ERROR: cannot request service (status)
it means the queue server is down. The queue can be restarted by running as root just two commands:
[root@grape ~]# /etc/init.d/pbs restart
Password:Restarting PBS
Shutting down PBS:
Stopping pbs_server: [ OK ]
Stopping maui: [FAILED]
Starting PBS daemons:
Starting pbs_server: [ OK ]
Starting maui scheduler: [ OK ]
done.
This will restart the queue. Then to release the hold on jobs that were Blocked (Deferred because the queue was unavailable), run as root:
[root@grape ~]# showq | grep Deferred | awk '{print $1}' | xargs -n 1 releasehold