[ClusterLabs] CIB: op-status=4 ?

[Radoslaw Garbacz]

Thanks,

On Thu, May 18, 2017 at 4:37 PM, Ken Gaillot <kgaillot at redhat.com> wrote:

> On 05/17/2017 06:10 PM, Radoslaw Garbacz wrote:
> > Hi,
> >
> > I have a question regarding '<lrm_resource><lrm_rsc_op> 'op-status
> > attribute getting value 4.
> >
> > In my case I have a strange behavior, when resources get those "monitor"
> > operation entries in the CIB with op-status=4, and they do not seem to
> > be called (exec-time=0).
> >
> > What does 'op-status' = 4 mean?
>
> The action had an error status
>
> >
> > I would appreciate some elaboration regarding this, since this is
> > interpreted by pacemaker as an error, which causes logs:
> > crm_mon:    error: unpack_rsc_op:    Preventing dbx_head_head from
> > re-starting anywhere: operation monitor failed 'not configured' (6)
>
> The rc-code="6" is the more interesting number; it's the result returned
> by the resource agent. As you can see above, it means "not configured".
> What that means exactly is up to the resource agent's interpretation.
>
> > and I am pretty sure the resource agent was not called (no logs,
> > exec-time=0)
>
> Normally this could only come from the resource agent.
>
> However there are two cases where pacemaker generates this error itself:
> if the resource definition in the CIB is invalid; and if your version of
> pacemaker was compiled with support for reading sensitive parameter
> values from a file, but that file could not be read.
>
> It doesn't sound like your case is either one of those though, since
> they would prevent the resource from even starting. Most likely it's
> coming from the resource agent. I'd look at the resource agent source
> code and see where it can return OCF_ERR_CONFIGURED.
>
> > There are two aspects of this:
> >
> > 1) harmless (pacemaker seems to not bother about it), which I guess
> > indicates cancelled monitoring operations:
> > op-status=4, rc-code=189
>
> This error means the connection between the crmd and lrmd daemons was
> lost -- most commonly, that shows up for operations that were pending at
> shutdown.
>
> >
> > * Example:
> > <lrm_rsc_op id="dbx_first_datas_last_failure_0"
> > operation_key="dbx_first_datas_monitor_0" operation="monitor"
> > crm-debug-origin="do_update_resource" crm_feature_set="3.0.12"
> > transition-key="38:0:7:c8b63d9d-9c70-4f99-aa1b-e993de6e4739"
> > transition-magic="4:189;38:0:7:c8b63d9d-9c70-4f99-aa1b-e993de6e4739"
> > on_node="olegdbx61-vm000001" call-id="10" rc-code="189" op-status="4"
> > interval="0" last-run="1495057378" last-rc-change="1495057378"
> > exec-time="0" queue-time="0" op-digest="f6bd1386a336e8e6ee25ecb651a9ef
> b6"/>
> >
> >
> > 2) error level one (op-status=4, rc-code=6), which generates logs:
> > crm_mon:    error: unpack_rsc_op:    Preventing dbx_head_head from
> > re-starting anywhere: operation monitor failed 'not configured' (6)
> >
> > * Example:
> > <lrm_rsc_op id="dbx_head_head_last_failure_0"
> > operation_key="dbx_head_head_monitor_0" operation="monitor"
> > crm-debug-origin="do_update_resource" crm_feature_set="3.0.12"
> > transition-key="39:0:7:c8b63d9d-9c70-4f99-aa1b-e993de6e4739"
> > transition-magic="4:6;39:0:7:c8b63d9d-9c70-4f99-aa1b-e993de6e4739"
> > on_node="olegdbx61-vm000001" call-id="999999999" rc-code="6"
> > op-status="4" interval="0" last-run="1495057389"
> > last-rc-change="1495057389" exec-time="0" queue-time="0"
> > op-digest="60cdc9db1c5b77e8dba698d3d0c8cda8"/>
> >
> >
> > Could it be some hardware (VM hyperviser) issue?
> >
> >
> > Thanks in advance,
> >
> > --
> > Best Regards,
> >
> > Radoslaw Garbacz
> > XtremeData Incorporated
>
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-- 
Best Regards,

Radoslaw Garbacz
XtremeData Incorporated
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