[ClusterLabs] pcs node removal still crm_node it is removed node is listing as lost node

[Ken Gaillot]

On Thu, 2023-07-13 at 09:58 +0000, S Sathish S via Users wrote:
> Hi Team,
>  
> Problem Statement : we are trying to remove node on pcs cluster, post
> execution also still crm_node 
> it is removed node is listing as lost node.
>  
> we have checked corosync.conf file it is removed but still it is
> displaying on
> crm_node -l.
>  
> [root at node1 ~]# pcs cluster node remove node2 --force
> Destroying cluster on hosts: 'node2'...
> node2: Successfully destroyed cluster
> Sending updated corosync.conf to nodes...
> node1: Succeeded
> node1: Corosync configuration reloaded
>  
> [root at node1 ~]# crm_node -l
> 1 node1 member
> 2 node2 lost

This looks like a possible regression. The "node remove" command should
erase all knowledge of the node, but I can reproduce this, and I don't
see log messages I would expect. I'll have to investigate further.

>  
> In RHEL 7.x we are using below rpm version not seeing this issue
> while removing the node.
> pacemaker-2.0.2-2.el7
> corosync-2.4.4-2.el7
> pcs-0.9.170-1.el7
>  
> In RHEL 8.x we are using below rpm version but seeing above issue
> over here.
> pacemaker-2.1.6-1.el8
> corosync-3.1.7-1.el8
> pcs-0.10.16-1.el8
>  
> Thanks and Regards,
> S Sathish S
-- 
Ken Gaillot <kgaillot at redhat.com>