[Pacemaker] Disconnected from CIB?

[Andrew Beekhof]

On 02/07/2013, at 8:20 PM, Lars Marowsky-Bree <lmb at suse.com> wrote:

> On 2013-07-02T20:12:08, Andrew Beekhof <andrew at beekhof.net> wrote:
> 
>>> It seems related to the number of times I poll the CIB, too; I seem to
>>> hit a transient window there, maybe. Since I dropped the number of polls
>>> (instead of requesting the full CIB once per second) it hasn't
>>> reproduced. But I'll reinstate that in the debug patch.
>> Why not ask for updates instead?
> 
> The code is signed up for updates.

Ah, thats probably the issue.
Occasionally a diff doesn't apply correctly (think ordering changes) and your copy of the error handling code results in cli_config_update() being called with a NULL pointer.

Fix the case statements and you should be fine.

> But every so often, it requests a
> full refresh (which is part of the health check during pacemaker
> integration; so that a paused/hung CIB process doesn't go unnoticed).
> 
>>> I also tried to get the CIB to write a blackbox. But for some reason, it
>>> logs that the blackbox logging has begun, but the file doesn't seem to
>>> be created :-/
>> Did you send SIGTRAP and look in syslog for the file name like the blog says to?
> 
> Yes. That file name doesn't get created, even though the directory
> exists. I'll probably have to investigate that one too ;-)

How odd. 0.14.x?

> 
>>> (And enabling trace logging for PCMK_trace_functions=cli_config_update
>>> didn't appear to produce any additional logging.)
>> Not to syslog, only to files.
>> If you don't have one configured in corosync already they'll be in /var/log/pacemaker.log (and syslog will mention this)
> 
> Right, but cli_config_update doesn't do any trace logging, it appears.
> And trace logging for all of the xml.c file is not advisable, I found
> out that much ;-)

yes :)

> 
> 
> Thanks,
>    Lars
> 
> -- 
> Architect Storage/HA
> SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 21284 (AG Nürnberg)
> "Experience is the name everyone gives to their mistakes." -- Oscar Wilde
> 
> 
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