[ClusterLabs] Strange failed transition messages showing up in log every 15 minutes

[Dennis Jacobfeuerborn]

Hi,
today we had issues with a pacemaker cluster and while the acute issues
have been resolved and all resources are running on the second node (the
first node is still offline) I see the following messages repeated every
15 minutes in /var/log/messages:

Sep 25 20:49:52 nfs2-storage2 crmd[2641]: notice: State transition
S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC cause=C_TIMER_POPPED
origin=crm_timer_popped ]
Sep 25 20:49:52 nfs2-storage2 pengine[2640]: notice: On loss of CCM
Quorum: Ignore
Sep 25 20:49:52 nfs2-storage2 pengine[2640]: warning: Processing failed
op promote for drbd:0 on nfs2-storage2: unknown error (1)
Sep 25 20:49:52 nfs2-storage2 pengine[2640]: notice: Calculated
Transition 21: /var/lib/pacemaker/pengine/pe-input-16.bz2
Sep 25 20:49:52 nfs2-storage2 crmd[2641]: notice: Transition 21
(Complete=0, Pending=0, Fired=0, Skipped=0, Incomplete=0,
Source=/var/lib/pacemaker/pengine/pe-input-16.bz2): Complete
Sep 25 20:49:52 nfs2-storage2 crmd[2641]: notice: State transition
S_TRANSITION_ENGINE -> S_IDLE [ input=I_TE_SUCCESS cause=C_FSA_INTERNAL
origin=notify_crmd ]

The number in "Transition 21" is increased by one every time. The status
still shows an error but this seems to be historical from the time when
the cluster had the issues:

Failed Actions:
* drbd_promote_0 on nfs2-storage2 'unknown error' (1): call=40,
status=Timed Out, exitreason='none',
    last-rc-change='Mon Aug 21 17:06:08 2017', queued=0ms, exec=90045ms

My question is what i pacemaker trying too tell me with these repeated
messages?

Regards,
  Dennis