slurm-users August 2025

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slurmctld failed to start
by Dhumal, Dr. Nilesh 01 Aug '25

01 Aug '25

Hello, We recently installed slurm-25 on Redhat linux. We failed to start the slurmctld service. sudo systemctl start slurmctld Job for slurmctld.service failed because the control process exited with error code. See "systemctl status slurmctld.service" and "journalctl -xeu slurmctld.service" for details. sudo systemctl status slurmctld × slurmctld.service - Slurm controller daemon Loaded: loaded (/usr/local/lib/systemd/system/slurmctld.service; enabled; preset: disabled) Active: failed (Result: exit-code) since Thu 2025-07-31 22:23:18 EDT; 1min 3s ago Process: 44317 ExecStart=/usr/local/sbin/slurmctld --systemd $SLURMCTLD_OPTIONS (code=exited, status=1/FAILURE) Main PID: 44317 (code=exited, status=1/FAILURE) CPU: 35ms Jul 31 22:22:29 fgcu-compute01 systemd[1]: Starting Slurm controller daemon... Jul 31 22:23:18 fgcu-compute01 slurmctld[44317]: [2025-07-31T22:23:18.679] error: If munged is up, restart with --num-threads=10 Jul 31 22:23:18 fgcu-compute01 slurmctld[44317]: [2025-07-31T22:23:18.679] error: Munge encode failed: Failed to connect to "/run/munge/mung> Jul 31 22:23:18 fgcu-compute01 slurmctld[44317]: [2025-07-31T22:23:18.679] error: Failed to create MUNGE Credential Jul 31 22:23:18 fgcu-compute01 slurmctld[44317]: [2025-07-31T22:23:18.679] error: Couldn't load specified plugin name for auth/munge: Plugin> Jul 31 22:23:18 fgcu-compute01 slurmctld[44317]: [2025-07-31T22:23:18.679] error: cannot create auth context for auth/munge Jul 31 22:23:18 fgcu-compute01 slurmctld[44317]: [2025-07-31T22:23:18.679] fatal: failed to initialize auth plugin Jul 31 22:23:18 fgcu-compute01 systemd[1]: slurmctld.service: Main process exited, code=exited, status=1/FAILURE Jul 31 22:23:18 fgcu-compute01 systemd[1]: slurmctld.service: Failed with result 'exit-code'. Jul 31 22:23:18 fgcu-compute01 systemd[1]: Failed to start Slurm controller daemon. Here is munge service status. munge.service - MUNGE authentication service Loaded: loaded (/usr/local/lib/systemd/system/munge.service; enabled; preset: disabled) Active: active (running) since Thu 2025-07-31 22:06:14 EDT; 19min ago Docs: man:munged(8) Main PID: 44039 (munged) Tasks: 4 (limit: 606218) Memory: 1.4M CPU: 18ms CGroup: /system.slice/munge.service └─44039 /usr/local/sbin/munged Jul 31 22:06:14 fgcu-compute01 systemd[1]: Starting MUNGE authentication service... Jul 31 22:06:14 fgcu-compute01 systemd[1]: Started MUNGE authentication service. Any suggestion is apprecieted to resolve this issue. Thanks, Nilesh Dhumal Associate Professor of Chemistry, http://faculty.fgcu.edu/ndhumal/ Coordinator, FGCU Computational Facility, https://www.fgcu.edu/cas/facultyresources/computationalfacility/ SH-430; Department of Chemistry and Physics Florida Gulf Coast University 10501 FGCU Boulevard South Fort Myers, FL 33965-6565 Phone: (239) 745-4394 Email: ndhumal(a)fgcu.edu

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