[omd-users] OMD - Logrotate causes check failures

Gibbard, Darren Darren.Gibbard at galacoral.com
Tue Jun 26 11:59:52 CEST 2012

Hi there,
Firstly; i'm running OMD 0.54 (containing Check_MK v.1.1.12p7) on CentOS 6.2 x86_64.

I've recently come to realise that the logrotate function in OMD seems to be generating the following alerts for service checks which are running at the time of the rotation:

"Return code of 15 is out of bounds. Worker exited by signal SIGTERM on worker: <our_omd_box_fqdn>"

One assumes that it's caused by the mod_gearman log rotations, for which it's put in (the OMD default):
/omd/sites/oursite/var/log/gearman/*.log {
        rotate 52
        create 640 oursite oursite
                /omd/sites/oursite/bin/omd reload gearman_worker > /dev/null

Would i be correct in my assumption, that this is the cause? And if so- either... it's moving the logfile from underneath mod_gearman which is making it sad, or the reload of the gearman_worker process isn't very graceful to existing processes... are there any known ways to stop it mangling any current/ongoing checks (Like adding a 'prerotate')? Or any known workarounds?

Thanks in advance,
Darren Gibbard

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