Hi, I am trying to set up a reservation that will stop jobs running on one a subset of old nodes when submitted through a particular mpi queue. We have node001 -> 140 old nodes and 141 -> 310 new nodes. I want to only allow jobs on the mpi queue to run on the new nodes 141 -> 310.
# 2010-03-04: A reservation that restricts the MPI queue plus others to new nodes 141 -> 310. SRCFG[mpi-viglen] PERIOD=INFINITY SRCFG[mpi-viglen] CLASSLIST=mpi,q1d,q2d,q7d SRCFG[mpi-viglen] STARTTIME=00:00:00 ENDTIME=24:00:00 SRCFG[mpi-viglen] HOSTLIST=node14[1-9],node1[5-9].,node[2-3].. SRCFG[mpi-viglen] ACCESS=SHARED # 2010-03-04: A reservation that restricts other queues but not the MPI to old nodes 001 -> 140. SRCFG[nompi-cvision] PERIOD=INFINITY SRCFG[nompi-cvision] CLASSLIST=q1d,q2d,q7d SRCFG[nompi-cvision] STARTTIME=00:00:00 ENDTIME=24:00:00 SRCFG[nompi-cvision] HOSTLIST=node0..,node1[0-3].,node140 SRCFG[nompi-cvision] HOSTLIST=node0[0-4].,node05[0-7],node059,node0[6-9].,node1[0-3]. SRCFG[nompi-cvision] ACCESS=SHARED I am seeing very weird behaviour than when the cluster is empty it works and schedules the jobs on node141->310. from showres: ReservationID Type S Start End Duration N/P StartTime 0.10 User - -00:06:33 INFINITY INFINITY 1/1 Thu Mar 11 13:32:08 .0.11 User - -00:06:33 INFINITY INFINITY 1/1 Thu Mar 11 13:32:08 *.0.2 User - -3:21:14 INFINITY INFINITY 128/1024 Thu Mar 11 10:17:27 .0.3 User - -3:21:14 INFINITY INFINITY 110/440 Thu Mar 11 10:17:27* However, I do not understand what the 2nd last column in setres is actually showing as it flips to lots of N/P to 1/1 ? ReservationID Type S Start End Duration N/P StartTime *.0.2 User - -00:02:07 INFINITY INFINITY 1/1 Thu Mar 11 13:48:35 .0.3 User - -00:02:07 INFINITY INFINITY 1/1 Thu Mar 11 13:48:35* .0.0 User - -00:02:07 INFINITY INFINITY 1/4 Thu Mar 11 13:48:35 .0.1 User - -00:02:07 INFINITY INFINITY 1/8 Thu Mar 11 13:48:35 It appears that when the cluster is full maui will allow it to run on the older nodes 001->140. Can anyone explain this behaviour and explain how to stop it? Regards, Dug -- ScotGrid, Room 481, Kelvin Building, University of Glasgow tel: +44(0)141 330 6439
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