Slurm HOWTO for Administrators - Revision history

J Schäfer at 14:07, 28 August 2026

2026-08-28T14:07:06Z

@@ Line 255: / Line 255: @@
 $ sacctmgr modify user <username> set maxjobs=-1           # Remove that limit
 </pre>
 == How to fix/reset a user's RawUsage value? ==

J Schäfer at 14:04, 28 August 2026

2026-08-28T14:04:59Z

← Older revision		Revision as of 16:04, 28 August 2026
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	'''Note:''' The user must already be associated with the account you want to set as default.		'''Note:''' The user must already be associated with the account you want to set as default.

			== How to show configuration settings of the slurm database daemon? ==

			<pre>
			$ sacctmgr show configuration
			</pre>

	== How to implement user resource throttling policies? ==		== How to implement user resource throttling policies? ==

J Schäfer at 13:59, 28 August 2026

2026-08-28T13:59:15Z

← Older revision		Revision as of 15:59, 28 August 2026
Line 220:		Line 220:

	'''Note:''' The user must already be associated with the account you want to set as default.		'''Note:''' The user must already be associated with the account you want to set as default.

	== How to show account information? ==

	<pre>
	$ sacctmgr show assoc
	$ sacctmgr show assoc tree
	</pre>

	'''Note:'''
	* On JUSTUS 2 registered compute projects ("Rechenvorhaben") are uniquely mapped to Slurm accounts of the same name.

	== How to implement user resource throttling policies? ==		== How to implement user resource throttling policies? ==

J Schäfer: /* How to update multiple jobs of a user with a single scontrol command? */

2026-08-28T13:57:15Z

How to update multiple jobs of a user with a single scontrol command?

← Older revision		Revision as of 15:57, 28 August 2026
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	== How to update multiple jobs of a user with a single scontrol command? ==		== How to update multiple jobs of a user with a single scontrol command? ==

	Not possible. But you can e.g. use squeue to build the script taking		Not possible. But you can, e.g., use squeue to build the script taking
	advantage of its filtering and formatting options.		advantage of its filtering and formatting options.

J Schäfer: /* How to create a floating reservation on nodes? */

2026-08-28T13:55:47Z

How to create a floating reservation on nodes?

← Older revision		Revision as of 15:55, 28 August 2026
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	</pre>		</pre>

	'''Note:''' Floating ~~reservation~~ are not intended to run jobs, but to prevent long running jobs from being initiated on specific nodes. Attempts by users to make use of a floating reservation will be rejected. When ready to perform the maintenance, place the nodes in DRAIN state and delete the reservation.		'''Note:''' Floating reservations are not intended to run jobs, but to prevent long running jobs from being initiated on specific nodes. Attempts by users to make use of a floating reservation will be rejected. When ready to perform the maintenance, place the nodes in DRAIN state and delete the reservation.

	== How to use a reservation? ==		== How to use a reservation? ==

J Schäfer: /* ADMINISTRATION */

2026-08-28T13:54:11Z

ADMINISTRATION

← Older revision		Revision as of 15:54, 28 August 2026
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	$ scontrol update PartitionName=foo State=DOWN		$ scontrol update PartitionName=foo State=DOWN
	$ scontrol update PartitionName=foo State=UP		$ scontrol update PartitionName=foo State=UP
	</pre>

	== How to print actual hardware configuration of a node? ==

	<pre>
	$ slurmd -C # print hardware configuration plus uptime;
	$ slurmd -G # print generic resource configuration; to be run on compute nodes only
	</pre>		</pre>

J Schäfer at 08:34, 28 August 2026

2026-08-28T08:34:52Z

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J Schäfer: Created page with "{{Justus2}} This is a collection of howtos and convenient Slurm commands for JUSTUS 2. Some commands behave slightly different depending on whether they are executed by a system administrator or by a regular user, as Slurm prevents regular users from accessing critical system information and viewing job and usage information of other users. = GENERAL INFORMATION = == How to find a general quick start user guide? == https://slurm.schedmd.com/quickstart.html == Ho..."

2026-08-28T08:33:12Z

Created page with "{{Justus2}} This is a collection of howtos and convenient Slurm commands for JUSTUS 2. Some commands behave slightly different depending on whether they are executed by a system administrator or by a regular user, as Slurm prevents regular users from accessing critical system information and viewing job and usage information of other users. = GENERAL INFORMATION = == How to find a general quick start user guide? == https://slurm.schedmd.com/quickstart.html == Ho..."

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