[Pacemaker] Periodically appear non-existent nodes

[Andreas Kurz]

On 04/17/2012 09:31 PM, ruslan usifov wrote:
> 
> 
> 2012/4/17 Proskurin Kirill <k.proskurin at corp.mail.ru
> <mailto:k.proskurin at corp.mail.ru>>
> 
>     On 04/17/2012 03:46 PM, ruslan usifov wrote:
> 
>         2012/4/17 Andreas Kurz <andreas at hastexo.com
>         <mailto:andreas at hastexo.com> <mailto:andreas at hastexo.com
>         <mailto:andreas at hastexo.com>>>
> 
> 
>            On 04/14/2012 11:14 PM, ruslan usifov wrote:
>             > Hello
>             >
>             > I remove 2 nodes from cluster, with follow sequence:
>             >
>             > crm_node --force -R <id of node1>
>             > crm_node --force -R <id of node2>
>             > cibadmin --delete --obj_type nodes --crm_xml '<node
>         uname="node1"/>'
>             > cibadmin --delete --obj_type status --crm_xml '<node_state
>            uname="node1"/>'
>             > cibadmin --delete --obj_type nodes --crm_xml '<node
>         uname="node2"/>'
>             > cibadmin --delete --obj_type status --crm_xml '<node_state
>            uname="node2"/>'
>             >
>             >
>             > Nodes after this deleted, but if for example i restart
>         (reboot)
>            one of
>             > existent nodes in working cluster, this deleted nodes
>         appear again in
>             > OFFLINE state
> 
> 
>     I have this problem some time ago.
>     I "solved" it something like that:
> 
>     crm node delete NODENAME
>     crm_node --force --remove NODENAME
>     cibadmin --delete --obj_type nodes --crm_xml '<node uname="NODENAME"/>'
>     cibadmin --delete --obj_type status --crm_xml '<node_state
>     uname="NODENAME"/>'
> 
>     -- 
> 
> 
> I do the same, but some times after cluster reconfiguration (node failed
> due power supply failure) removed nodes appear again, and this happens
> 3-4 times

And the same behavior if you switch your cluster into maintenance-mode
(to avoid service downtime) and stop/start pacemaker and corosync
completely?

Regards,
Andreas

-- 
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> 
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