[slurm-users] Limit on number of nodes user able to request

Sajesh Singh ssingh at amnh.org
Thu Mar 25 13:02:29 UTC 2021


No nodes in downed or drained state. These are nodes that are dynamically brought up and down via the powersave plugin. When the are taken offline due to being idle I believe the state is set to FUTURE by the powersave plugin.

-Sajesh-


From: slurm-users <slurm-users-bounces at lists.schedmd.com> On Behalf Of Brian Andrus
Sent: Wednesday, March 24, 2021 11:02 PM
To: slurm-users at lists.schedmd.com
Subject: Re: [slurm-users] Limit on number of nodes user able to request

EXTERNAL SENDER


Do 'sinfo -R' and see if you have any down or drained nodes.

Brian Andrus
On 3/24/2021 6:31 PM, Sajesh Singh wrote:
Slurm 20.02
CentOS 8

I just recently noticed a strange behavior when using the powersave plugin for bursting to AWS. I have a queue configured with 60 nodes, but if I submit a job to use all of the nodes I get the error:

(Nodes required for job are DOWN, DRAINED or reserved for jobs in higher priority partitions

If I lower the job to request 50 nodes it gets submitted and runs with no problems. I do not have and associations or QOS limits in place that would limit the user. Any ideas as to what could be causing this limit of 50 nodes to be imposed?

-Sajesh-




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