[ClusterLabs] why is node fenced ?

Lentes, Bernd bernd.lentes at helmholtz-muenchen.de
Thu Aug 6 05:06:35 EDT 2020


----- Am 29. Jul 2020 um 18:53 schrieb kgaillot kgaillot at redhat.com:

 
> Since the ha-idg-2 is now shutting down, ha-idg-1 becomes DC.

The other way round.

>> Jul 20 17:05:33 [10690] ha-idg-2    pengine:  warning:
>> unpack_rsc_op_failure:   Processing failed migrate_to of vm_nextcloud
>> on ha-idg-1: unknown error | rc=1
>> Jul 20 17:05:33 [10690] ha-idg-2    pengine:  warning:
>> unpack_rsc_op_failure:   Processing failed start of vm_nextcloud on
>> ha-idg-2: unknown error | rc
>> 
>> Jul 20 17:05:33 [10690] ha-idg-2    pengine:     info:
>> native_color:    Resource vm_nextcloud cannot run anywhere
>> logical
>> 
>> Jul 20 17:05:33 [10690] ha-idg-2    pengine:  warning:
>> custom_action:   Action vm_nextcloud_stop_0 on ha-idg-1 is unrunnable
>> (pending)
>> ???
> 
> So this appears to be the problem. From these logs I would guess the
> successful stop on ha-idg-1 did not get written to the CIB for some
> reason. I'd look at the pe input from this transition on ha-idg-2 to
> confirm that.
> 
> Without the DC knowing about the stop, it tries to schedule a new one,
> but the node is shutting down so it can't do it, which means it has to
> be fenced.
> 
>> Jul 20 17:05:35 [10690] ha-idg-2    pengine:  warning:
>> custom_action:   Action vm_nextcloud_stop_0 on ha-idg-1 is unrunnable
>> (offline)
>> Jul 20 17:05:35 [10690] ha-idg-2    pengine:  warning:
>> pe_fence_node:   Cluster node ha-idg-1 will be fenced: resource
>> actions are unrunnable
>> Jul 20 17:05:35 [10690] ha-idg-2    pengine:  warning:
>> stage6:  Scheduling Node ha-idg-1 for STONITH
>> Jul 20 17:05:35 [10690] ha-idg-2    pengine:     info:
>> native_stop_constraints: vm_nextcloud_stop_0 is implicit after ha-
>> idg-1 is fenced
>> Jul 20 17:05:35 [10690] ha-idg-2    pengine:   notice:
>> LogNodeActions:   * Fence (Off) ha-idg-1 'resource actions are
>> unrunnable'
>> 
>> 
>> Why does it say "Jul 20 17:05:35 [10690] ha-idg-
>> 2    pengine:  warning: custom_action:   Action vm_nextcloud_stop_0
>> on ha-idg-1 is unrunnable (offline)" although
>> "Jul 20 17:04:06 [23768] ha-idg-1       crmd:   notice:
>> process_lrm_event:       Result of stop operation for vm_nextcloud on
>> ha-idg-1: 0 (ok) | call=3197 key=vm_nextcloud_stop_0 confirmed=true
>> cib-update=5960"
>> says that stop was ok ?

Bernd
Helmholtz Zentrum München

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