[ClusterLabs] pacemaker_remoted XML parse error

Narayanamoorthy Srinivasan narayanamoorthys at gmail.com
Wed Jun 8 16:58:21 UTC 2016


No recent network changes. Will check for abnormal traffic using wireshark.

I also notice that the XML lines are partial (no ending '>', closing " and
sometimes partial words) in logs. Any lines > 472 characters are truncated
to 472 characters. Wondering is it due to anyother limitations.

I can post some line tomorrow when i am back to work.


On Wed, Jun 8, 2016 at 8:00 PM, Ken Gaillot <kgaillot at redhat.com> wrote:

> On 06/08/2016 06:14 AM, Narayanamoorthy Srinivasan wrote:
> > I have a pacemaker cluster with two pacemaker remote nodes. Recently the
> > remote nodes started throwing below errors and SDB started self-fencing.
> > Appreciate if someone throws light on what could be the issue and the
> fix.
> >
> > OS - SLES 12 SP1
> > Pacemaker Remote version - pacemaker-remote-1.1.13-14.7.x86_64
> >
> > 2016-06-08T14:11:46.009073+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error: Entity: line 1: parser
> > error : AttValue: ' expected
> > 2016-06-08T14:11:46.009314+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> > key="neutron-ha-tool_monitor_0" operation="monitor"
> > crm-debug-origin="do_update_
> > 2016-06-08T14:11:46.009443+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> >                                                      ^
> > 2016-06-08T14:11:46.009567+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error: Entity: line 1: parser
> > error : attributes construct error
> > 2016-06-08T14:11:46.009697+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> > key="neutron-ha-tool_monitor_0" operation="monitor"
> > crm-debug-origin="do_update_
> > 2016-06-08T14:11:46.009824+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> >                                                      ^
> > 2016-06-08T14:11:46.009948+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error: Entity: line 1: parser
> > error : Couldn't find end of Start Tag lrm_rsc_op line 1
> > 2016-06-08T14:11:46.010070+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> > key="neutron-ha-tool_monitor_0" operation="monitor"
> > crm-debug-origin="do_update_
> > 2016-06-08T14:11:46.010191+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> >                                                      ^
> > 2016-06-08T14:11:46.010460+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error: Entity: line 1: parser
> > error : Premature end of data in tag lrm_resource line 1
> > 2016-06-08T14:11:46.010718+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> > key="neutron-ha-tool_monitor_0" operation="monitor"
> > crm-debug-origin="do_update_
> > 2016-06-08T14:11:46.010977+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error:
> >                                                      ^
> > 2016-06-08T14:11:46.011234+05:30 d18-fb-7b-18-f1-8e
> > pacemaker_remoted[6190]:    error: XML Error: Entity: line 1: parser
> > error : Premature end of data in tag lrm_resources line 1
> >
> >
> > --
> > Thanks & Regards
> > Moorthy
>
> This sounds like the network traffic between the cluster nodes and the
> remote nodes is being corrupted. Have there been any network changes
> lately? Switch/firewall/etc. equipment/settings? MTU?
>
> You could try using a packet sniffer such as wireshark to see if the
> traffic looks abnormal in some way. The payload is XML so it should be
> more or less readable.
>
>
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-- 
Thanks & Regards
Moorthy
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