[ClusterLabs] Antw: Re: Pacemaker 2.0.3-rc3 now available

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Thu Nov 14 09:22:38 EST 2019

>>> Jehan-Guillaume de Rorthais <jgdr at dalibo.com> schrieb am 14.11.2019 um
15:17 in
Nachricht <20191114151719.6cbf4e38 at firost>:
> On Wed, 13 Nov 2019 17:30:31 ‑0600
> Ken Gaillot <kgaillot at redhat.com> wrote:
> ...
>> A longstanding pain point in the logs has been improved. Whenever the
>> scheduler processes resource history, it logs a warning for any
>> failures it finds, regardless of whether they are new or old, which can
>> confuse anyone reading the logs. Now, the log will contain the time of
>> the failure, so it's obvious whether you're seeing the same event or
>> not. The log will also contain the exit reason if one was provided by
>> the resource agent, for easier troubleshooting.
> I've been hurt by this in the past and I was wondering what was the point
> warning again and again in the logs for past failures during scheduling? 
> What
> this information brings to the administrator?
> In my humble opinion, any entry in the log file should be about something
> happening by the time the message appears. And it should appears only once,

> not
> repeated again and again for no (appearing) reasons. At least, most of the
> time. Do I miss something?
> I'm sure these historical failure warnings raised by the scheduler have
> already raised in the past by either the lrm or crm process in most of the
> cases, aren't them?
> Unless I'm not aware of something else, the scheduler might warn about 
> current
> unexpected status of a resource, not all of them in the past.
> Could you shed some lights on this mystery from the user point of view?


I can agree that the current pacemaker of SLES12 logs so much while virtually
doing nothing that it's very hard to find out when pacemaker actually does
something. And if it does something, it seems it's announcing the same thing at
least three times before actually really doing anything.


> Thanks!
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