Re: systemd autofs in RH 7

[Silvio Knizek <killermoehre@xxxxxxx>]

Am Dienstag, den 21.04.2020, 13:26 +0000 schrieb Wieschke, Thomas:
> Hi,
> I hope someone can help with the following case.
>
> I'm writing on a RH 7 system to an automounted FS and get an disruption because systemd (??) is,
> besides working in this directory, obviously trying an umount in the background.
> The umount doesn't work because the FS is in use (returned busy), but the start/stop of autofs is
> nevertheless done and leads to a disruption:
>
> Apr 21 12:02:18 server1 systemd[1]: Stopping Automounts filesystems on demand...
> -- Subject: Unit autofs.service has begun shutting down
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit autofs.service has begun shutting down.
> Apr 21 12:02:19 server1 automount[22213]: umount_autofs_indirect: ask umount returned busy /vsaabrmount
> Apr 21 12:02:20 server1 systemd[1]: Stopped Automounts filesystems on demand.
> -- Subject: Unit autofs.service has finished shutting down
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit autofs.service has finished shutting down.
> Apr 21 12:02:20 server1 systemd[1]: Starting Automounts filesystems on demand...
> -- Subject: Unit autofs.service has begun start-up
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit autofs.service has begun starting up.
> Apr 21 12:02:20 server1 systemd[1]: Started Automounts filesystems on demand.
> -- Subject: Unit autofs.service has finished start-up
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit autofs.service has finished starting up.
> --
> -- The start-up result is done.
>
> Finally I tried to prevent any umount by changing in /etc/sysconfig/autofs #OPTIONS="" to OPTIONS="-timeout=0"
>
> And I tried to add in /etc/auto.master at end of line --timeout=0 (/workdir    /etc/auto.workdir --timeout=0)
>
> But besides this values there is an automatic restart every 30min
>
> Apr 21 13:34:41 server1 systemd: Stopping Automounts filesystems on demand...
> Apr 21 13:34:42 server1 systemd: Starting Automounts filesystems on demand...
> Apr 21 13:34:42 server1 systemd: Started Automounts filesystems on demand.
> Apr 21 14:04:42 server1 systemd: Stopping Automounts filesystems on demand...
> Apr 21 14:04:42 server1 systemd: Stopped Automounts filesystems on demand.
> Apr 21 14:04:42 server1 systemd: Starting Automounts filesystems on demand...
> Apr 21 14:04:42 server1 systemd: Started Automounts filesystems on demand.
> Apr 21 14:34:42 server1 systemd: Stopping Automounts filesystems on demand...
> Apr 21 14:34:42 server1 automount[11019]: umount_autofs_indirect: ask umount returned busy /vsaabrmount
> Apr 21 14:34:44 server1 systemd: Stopped Automounts filesystems on demand.
> Apr 21 14:34:44 server1 systemd: Starting Automounts filesystems on demand...
> Apr 21 14:34:44 server1 systemd: Started Automounts filesystems on demand.
>
> Switching back to RH 6 doesn't show this problem.
>
> Any suggestions?
>
> Thanks in advance
>
> Best regards
> Thomas

Hi Thomas,

don't use autofs, but systemd.automount for this. It does exactly what
you want, but in the context of systemd. See man:systemd.automount for
more information.

BR
Silvio

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