[Mauiusers] numerous problems with reservations
rbw at ahpcrc.org
Tue Jul 26 08:39:16 MDT 2005
To eliminate similar problems I upgraded to:
Maui version 3.2.6p14
and so far have not noticed the same standing
reservation dementia. I upgraded Torque as
well shorty thereafter to 1.2.0p4. p5 is coming
Lennart Karlsson wrote:
>Garrick Staples wrote July 8th:
>> setres -c priya -d +8:00:00:00 -s +12:00:00 -f priya -n priya ALL
>>Shouldn't that reservation all nodes with "priya" for 8 days 12 hours from now?
>>I set that yesterday, and 'showres -n' showed the correct nodes, 520 of them
>>with the "priya" feature.
>>Today, that reservation has grow itself to 1388 nodes!
>>So now I'm trying to set a second reservation, exactly like the first but with
>>TASKS==520 and it is failing to set?
>># setres -c priya -d +7:00:00:00 -f priya -n priya TASKS==520
>>ERROR: 'setres' failed
>>ERROR: cannot select 520 tasks for reservation for 7:17:06:28
>>ERROR: cannot select requested tasks for 'TASKS==520'
>>Also, can -s default to "as soon as the resources are available" instead of
>>"now"? Trying to do '-d +7:00:00:00 -f priya ALL' requires a guessing game to
>>find a suitable starting time.
>I have a somewhat similar problem, with Maui-3.2.6p11. The reservation
> SRCFG[devel] STARTTIME=8:00:00 ENDTIME=18:00:05
> SRCFG[devel] PERIOD=DAY DAYS=MON,TUE,WED,THU,FRI DEPTH=7
> SRCFG[devel] TASKCOUNT=8
> SRCFG[devel] TIMELIMIT=1:00:05
>and the eight nodes are reserved as soon as Maui is started. But when
>a new node gets available in the cluster, after e.g. some repair, this
>node is added to the reservation. (We run Maui with PBSPro or Torque,
>the phenomen appears with either.)
>By the way, this extra node disappears from the reservation if I restart
>-- Lennart Karlsson <Lennart.Karlsson at nsc.liu.se>
> National Supercomputer Centre, Linkoping University
> +46 706 49 55 35
> +46 13 28 26 24
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