>>> Andrew Beekhof <[email protected]> schrieb am 06.08.2013 um 22:10 in >>> Nachricht <[email protected]>:
> On 06/08/2013, at 5:24 PM, "Ulrich Windl" <[email protected]> > wrote: > >>>>> Thomas Glanzmann <[email protected]> schrieb am 05.08.2013 um 19:03 in >> Nachricht <[email protected]>: >>> Hello Ulrich, >>> >>>> Did it happen when you put the cluster into maintenance-mode, or did >>>> it happen after someone fiddled with the resources manually? Or did it >>>> happen when you turned maintenance-mode off again? >>> >>> I did not remember, but checked the log files, and yes I did a config >>> change (I removed apache_loadbalancer from group apache). And that is >>> probably >>> the reason I could not reproduce it in my lab environemnt because I never >>> tried >>> to fiddle with it afterwards.. Probably the way to reproduce it is: put it >>> to >>> maintance-mode and than change something to the config and it crashes, but I >>> have to verify that in my lab and report back. I'll do that right now and >>> report back. >> >> Hi! >> >> I think it's a common misconception that you can modify cluster resources > while in maintenance mode: > > No, you _should_ be able to. If that's not the case, its a bug. So the end of maintenance mode starts with a "re-probe"? Even if, until the end of the re-probe all resources should be considered to be in an unclean state. I had some quite bad experience with maintenenace mode... > >> It seems the cluster expects the state it had when mainteneance mode was > turned on later when you turn it off. Maybe it's like the airplane's > autopilot: You can turn it off, fly the plane the way the autopilot would > have done, and then when you turn the autopilot on again, the flight path > will continue; however if you change direction while the autopilot is off, > big confusion may arise when you turn the autopilot on again... ;-) >> >> >> Am I right? > > No, more likely its just not a well tested scenario. > >> >> Still this doesn't explain where your configuration or log files went... >> >> Regards, >> Ulrich >> >> >>> >>> ... >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + <configuration > >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + <crm_config > >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + >>> <cluster_property_set id="cib-bootstrap-options" > >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + <nvpair >>> id="cib-bootstrap-options-maintenance-mode" name="maintenance-mode" >>> value="true" >>> __crm_diff_marker__="added:top" /> >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + >>> </cluster_property_set> >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + </crm_config> >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + </configuration> >>> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + </cib> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <cib >>> admin_epoch="0" >>> epoch="94" num_updates="100" > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <configuration > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <resources > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <group >>> id="apache" > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >>> <primitive >>> class="ocf" id="apache_loadbalancer" provider="heartbeat" type="apachetg" >>> __crm_diff_marker__="removed:top" > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >>> <operations > >>>> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <op >>> id="apache_loadbalancer-monitor-60s" interval="60s" name="monitor" /> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >>> </operations> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >>> </primitive> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </group> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </resources> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </configuration> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </cib> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <cib epoch="95" >>> num_updates="1" admin_epoch="0" validate-with="pacemaker-1.2" >>> crm_feature_set="3.0.6" update-origin="apache-03" update-client="cibadmin" >>> cib-last-written="Sun Aug 4 >>> 18:49:18 2013" have-quorum="1" >>> dc-uuid="61e8f424-b538-4352-b3fe-955ca853e5fb" > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <configuration > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <resources > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <primitive >>> class="ocf" id="apache_loadbalancer" provider="heartbeat" type="apachetg" >>> __crm_diff_marker__="added:top" > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + >>> <operations > >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <op >>> id="apache_loadbalancer-monitor-60s" interval="60s" name="monitor" /> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + >>> </operations> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </primitive> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </resources> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </configuration> >>> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </cib> >>> ... >>> Aug 4 18:50:27 apache-03 heartbeat: [29380]: ERROR: Managed >>> /usr/lib/heartbeat/crmd process 29398 dumped core >>> >>> Complete syslog is my other e-mail I just sent to Alan, if you want to >>> check it. >>> >>> Cheers, >>> Thomas >>> _______________________________________________ >>> Linux-HA mailing list >>> [email protected] >>> http://lists.linux-ha.org/mailman/listinfo/linux-ha >>> See also: http://linux-ha.org/ReportingProblems >> >> >> _______________________________________________ >> Linux-HA mailing list >> [email protected] >> http://lists.linux-ha.org/mailman/listinfo/linux-ha >> See also: http://linux-ha.org/ReportingProblems > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
