[Mauiusers] insufficient idle procs available ?

Itay M itaym.tau at gmail.com
Tue Jan 29 10:57:15 MST 2008

We've tried the new configuration (unset resources_default.ncpus and
unset  resources_max.ncpus; from from queues and server levels as well) in
the last few days and here are the results:
*  For the first time we were able to see that jobs are backfilled! It never
happend before, and this is a major improvment. Though we saw it only in one
of our queues (named 'b_que') it might have happend in other queues as well
(we couln'd verify it yet).
* But - the  'insufficient idle procs available' problem is still there. For
example, at the moment showq shows that there are plenty of non-busy
processors ('65 of   84 Processors Active'), but checkjob says for queued
jobs that:

checking job 228665
State: Idle
Creds:  user:b group:b   class:b_que  qos:hi
WallTime: 00:00:00 of 00:05:00
SubmitTime: Tue Jan 29 19:47:04
  (Time Queued  Total: 00:07:49  Eligible: 00:07:16)
Total Tasks: 1
Req[0]  TaskCount: 1  Partition: ALL
Network: [NONE]  Memory >= 0  Disk >= 0  Swap >= 0
Opsys: [NONE]  Arch: [NONE]  Features: [NONE]
Dedicated Resources Per Task: PROCS: 1  MEM: 512M

IWD: [NONE]  Executable:  [NONE]
Bypass: 0  StartCount: 0
PartitionMask: [ALL]
Flags:       RESTARTABLE
PE:  1.00  StartPriority:  1007
job cannot run in partition DEFAULT (idle procs do not meet requirements : 0
of 1 procs found)
idle procs:  12  feasible procs:   0

What should I check next?
Thanks! Itay.

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