dejanmm at fastmail
Sep 22, 2010, 4:24 AM
Post #4 of 4
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Re: how do I cut down the amount of logging?
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Hi Bernd,
On Fri, Sep 17, 2010 at 05:20:18PM +0200, Bernd Schubert wrote:
> Hello Dejan,
>
> On Wednesday, September 15, 2010, Dejan Muhamedagic wrote:
> > Hi,
> >
> > On Sat, Aug 28, 2010 at 04:21:31AM +0200, Tomasz Chmielewski wrote:
> > > Can I restrict logging to WARN and ERROR only?
> > >
> > > I have an enormous flood of "info" messages running through my syslog
> > > (for lrmd, crmd, attrd etc.) - is there a way to disable it and get only
> > > WARN and ERROR reported?
> >
> > syslog-ng should be able to filter out messages based on
> > severity. But I'd recommend against it. It'd be hard to support
> > the cluster without complete logs.
>
> I see that as real problem as well. All those HA/pacemaker messages make it
> difficult to see other, non pacemaker/heartbeat/cluster-glue, failures in the
> logs. Most of those messages are IMHO also entirely useless for the admin, but
> seem to pacemaker debug messages.
I also don't like mixing the pacemaker logs with system logs.
What's wrong with using a facility such as local7 for the HA
logs? Otherwise, yes, I understand your pain.
> Now as you know, the good news it that I send list of patches this week to
> address at least the logging :)
>
> One of the patches allows to disable logd syslog logging at all. Logs go
> anyway to ha-log and ha-debug. And another patch makes filtering more easy, so
> it adds the common logd identifier to all syslog messages. That allows to
> greatly simplify syslog-ng rules. For example for DDN Lustre system I wrote a
> rule that writes a file "ha-log.useful". That file has mostly output from
> resource agents only (which other usually well hidden between all those
> pacemaker debug lines).
Did you check the load of syslog-ng in this case?
Cheers,
Dejan
> Cheers,
> Bernd
>
> --
> Bernd Schubert
> DataDirect Networks
> _______________________________________________
> Linux-HA mailing list
> Linux-HA [at] lists
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems
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