[Pacemaker] What is the reason which the node in which failure has not occurred carries out "lost"?

Andrew Beekhof andrew at beekhof.net
Tue Mar 11 02:26:47 CET 2014


On 7 Mar 2014, at 5:35 pm, Yusuke Iida <yusk.iida at gmail.com> wrote:

> Hi, Andrew
> 2014-03-07 11:43 GMT+09:00 Andrew Beekhof <andrew at beekhof.net>:
>> I don't understand... crm_mon doesn't look for changes to resources or constraints and it should already be using the new faster diff format.
>> 
>> [/me reads attachment]
>> 
>> Ah, but perhaps I do understand afterall :-)
>> 
>> This is repeated over and over:
>> 
>>  notice: crm_diff_update:      [cib_diff_notify] Patch aborted: Application of an update diff failed (-206)
>>  notice: xml_patch_version_check:      Current num_updates is too high (885 > 67)
>> 
>> That would certainly drive up CPU usage and cause crm_mon to get left behind.
>> Happily the fix for that should be: https://github.com/beekhof/pacemaker/commit/6c33820
> 
> I think that refreshment of cib is no longer repeated when a version
> has a difference.
> Thank you cope.
> 
> Now, I see another problem.
> 
> If "crm configure load update" is performed, with crm_mon started,
> information will no longer be displayed.
> Information will be displayed if crm_mon is restarted.
> 
> I executed the following commands and took the log of crm_mon.
> # crm_mon --disable-ncurses -VVVVVV >crm_mon.log 2>&1
> 
> I am observing the cib information inside crm_mon after load was performed.
> 
> Two configuration sections exist in cib after load.
> 
> It seems that this is the next processing, and it remains since it
> failed in deletion of the configuration section.
>   trace: cib_native_dispatch_internal:         cib-reply
> <change operation="delete" path="/configuration"/>
> 
> A little following is the debugging log acquired by old pacemaker.
> It is not found in order that <(null) > may try to look for
> path=/configuration from the document tree of top.
> Should not path be path=/cib/configuration essentially?

Yes.  Could you send me the cib as well as the update you're trying to load?

> 
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:   <(null)>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:     <cib
> epoch="2" num_updates="6" admin_epoch="0"
> validate-with="pacemaker-1.2" crm_feature_set="3.0.9"
> cib-last-written="Tue Mar  4 11:32:36 2014"
> update-origin="rhel64rpmbuild" update-client="crmd" have-quorum="1"
> dc-uuid="3232261524">
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:       <configuration>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         <crm_config>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <cluster_property_set id="cib-bootstrap-options">
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <nvpair id="cib-bootstrap-options-dc-version" name="dc-version"
> value="1.1.10-2dbaf19"/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <nvpair id="cib-bootstrap-options-cluster-infrastructure"
> name="cluster-infrastructure" value="corosync"/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> </cluster_property_set>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         </crm_config>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         <nodes>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <node id="3232261524" uname="rhel64rpmbuild"/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         </nodes>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         <resources/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         <constraints/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:       </configuration>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:       <status>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <node_state id="3232261524" uname="rhel64rpmbuild" in_ccm="true"
> crmd="online" crm-debug-origin="do_state_transition" join="member"
> expected="member">
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <lrm id="3232261524">
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <lrm_resources/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:           </lrm>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <transient_attributes id="3232261524">
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <instance_attributes id="status-3232261524">
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <nvpair id="status-3232261524-shutdown" name="shutdown" value="0"/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> <nvpair id="status-3232261524-probe_complete" name="probe_complete"
> value="true"/>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> </instance_attributes>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:
> </transient_attributes>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:         </node_state>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:       </status>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:     </cib>
> notice  Mar 04 11:33:10 __xml_find_path(1294):0: IDEBUG:   </(null)>
> 
> 
> Is this the already recognized problem?
> 
> I attach the report at the time of this occurring, and the log of crm_mon.
> 
> - crm_report
> https://drive.google.com/file/d/0BwMFJItoO-fVWEw4Qnp0aHIzSm8/edit?usp=sharing
> - crm_mon.log
> https://drive.google.com/file/d/0BwMFJItoO-fVRDRMTGtUUEdBc1E/edit?usp=sharing
> 
> Regards,
> Yusuke
> 
> 
> -- 
> ----------------------------------------
> METRO SYSTEMS CO., LTD
> 
> Yusuke Iida
> Mail: yusk.iida at gmail.com
> ----------------------------------------
> 
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