Check for Ethernet problems. This happens often enough that I have the following definition in my .bashrc file to help track these down:
alias flaky_eth='su -c "ssh slurmctld-node grep responding /var/log/slurm/slurmctld.log"' Andy From: slurm-users [mailto:slurm-users-boun...@lists.schedmd.com] On Behalf Of ??? Sent: Tuesday, July 21, 2020 8:41 PM To: slurm-users@lists.schedmd.com Subject: [slurm-users] lots of job failed due to node failure Hi,all We run slurm 19.05 on a cluster about 1k nodes，recently, we found lots of job failed due to node failure; check slumctld.log we found nodes are set to down stat then resumed quikly. some log info: [2020-07-20T00:21:23.306] error: Nodes j[1608,1802] not responding [2020-07-20T00:22:27.486] error: Nodes j1608 not responding, setting DOWN [2020-07-20T00:26:23.725] error: Nodes j1802 not responding [2020-07-20T00:26:27.323] error: Nodes j1802 not responding, setting DOWN [2020-07-20T00:26:46.602] Node j1608 now responding [2020-07-20T00:26:49.449] Node j1802 now responding Anyone hit this issue beforce ? Any suggestions will help. Regards.
