[ClusterLabs] Weird Fencing Behavior?

[Andrei Borzenkov]

On Tue, Jul 17, 2018 at 10:58 AM, Confidential Company
<sgurovosa at gmail.com> wrote:
> Hi,
>
> On my two-node active/passive setup, I configured fencing via
> fence_vmware_soap. I configured pcmk_delay=0 on both nodes so I expected
> that both nodes will be stonithed simultaenously.
>
> On my test scenario, Node1 has ClusterIP resource. When I disconnect
> service/corosync link physically, Node1 was fenced and Node2 keeps alive
> given pcmk_delay=0 on both nodes.
>
> Can you explain the behavior above?
>

node1 could not connect to ESX because links were disconnected. As the
most obvious explanation.

You have logs, you are the only one who can answer this question with
some certainty. Others can only guess.

>
>
> See my config below:
>
> [root at ArcosRhel2 cluster]# pcs config
> Cluster Name: ARCOSCLUSTER
> Corosync Nodes:
>  ArcosRhel1 ArcosRhel2
> Pacemaker Nodes:
>  ArcosRhel1 ArcosRhel2
>
> Resources:
>  Resource: ClusterIP (class=ocf provider=heartbeat type=IPaddr2)
>   Attributes: cidr_netmask=32 ip=172.16.10.243
>   Operations: monitor interval=30s (ClusterIP-monitor-interval-30s)
>               start interval=0s timeout=20s (ClusterIP-start-interval-0s)
>               stop interval=0s timeout=20s (ClusterIP-stop-interval-0s)
>
> Stonith Devices:
>  Resource: Fence1 (class=stonith type=fence_vmware_soap)
>   Attributes: action=off ipaddr=172.16.10.151 login=admin passwd=123pass
> pcmk_host_list=ArcosRhel1 pcmk_monitor_timeout=60s port=ArcosRhel1(Joniel)
> ssl_insecure=1 pcmk_delay_max=0s
>   Operations: monitor interval=60s (Fence1-monitor-interval-60s)
>  Resource: fence2 (class=stonith type=fence_vmware_soap)
>   Attributes: action=off ipaddr=172.16.10.152 login=admin passwd=123pass
> pcmk_delay_max=0s pcmk_host_list=ArcosRhel2 pcmk_monitor_timeout=60s
> port=ArcosRhel2(Ben) ssl_insecure=1
>   Operations: monitor interval=60s (fence2-monitor-interval-60s)
> Fencing Levels:
>
> Location Constraints:
>   Resource: Fence1
>     Enabled on: ArcosRhel2 (score:INFINITY)
> (id:location-Fence1-ArcosRhel2-INFINITY)
>   Resource: fence2
>     Enabled on: ArcosRhel1 (score:INFINITY)
> (id:location-fence2-ArcosRhel1-INFINITY)
> Ordering Constraints:
> Colocation Constraints:
> Ticket Constraints:
>
> Alerts:
>  No alerts defined
>
> Resources Defaults:
>  No defaults set
> Operations Defaults:
>  No defaults set
>
> Cluster Properties:
>  cluster-infrastructure: corosync
>  cluster-name: ARCOSCLUSTER
>  dc-version: 1.1.16-12.el7-94ff4df
>  have-watchdog: false
>  last-lrm-refresh: 1531810841
>  stonith-enabled: true
>
> Quorum:
>   Options:
>
>
>
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