[slurm-users] Correct way to do logrotation

[Taras Shapovalov]

Hello,

In the past it was recommended to reconfigure slurm daemons in logrotate script, sending a signal I believe was also the way to go. But recently I retested manual logrotation and I see that a removal of log file (for slurmctld, slurmdbd or slurmd) does not affect the logging of the daemons. The dameons just recreate the log files and continue to write logs there. What is the right way to go in case of the modern Slurm versions?

Best regards,

Taras

[Davide DelVento]

I'd be interested in this too, and I'm reposting only because the message was flagged as both "dangerous email" and "spam", so people may not have seen it (hopefully my reply will not suffer the same downfall...)

[Groner, Rob]

Thanks for doing that, as I did not see this original message, and I also am having to look at configuring our log for rotation.  We once accidentally turned on debug5 and didn't notice until other things started failing because the drive was full...from that ONE file.

I did find this conversation about it, but haven't had a chance to try it.

https://groups.google.com/g/slurm-users/c/WZfyVh2CXK8?pli=1

Rob

---

From: slurm-users <slurm-use...@lists.schedmd.com> on behalf of Davide DelVento <davide....@gmail.com>
Sent: Tuesday, October 17, 2023 10:26 AM
To: Slurm User Community List <slurm...@lists.schedmd.com>
Subject: Re: [slurm-users] Correct way to do logrotation

 

[Timony, Mick]

Schedmd has docs about how to do this at:

https://slurm.schedmd.com/slurm.conf.html#SECTION_LOGGING

Our config at HMS looks like this:


/var/log/slurm/slurmctld.log {

  create 0640 slurm root

  daily

  dateext

  nocompress

  notifempty

  rotate 10

  sharedscripts

  postrotate

    /bin/pkill -x --signal SIGUSR2 slurmctld >/dev/null 2>&1

  endscript

  prerotate

    /bin/sh /usr/local/bin/pre_rotate.sh >/dev/null 2>&1

  endscript

}

Our pre_rotate scripts rsync's the logs to an NFS mount.

Cheers

--Mick

---

From: slurm-users <slurm-use...@lists.schedmd.com> on behalf of Davide DelVento <davide....@gmail.com>
Sent: Tuesday, October 17, 2023 10:26 AM
To: Slurm User Community List <slurm...@lists.schedmd.com>
Subject: Re: [slurm-users] Correct way to do logrotation