[ClusterLabs] Removing node from pacemaker.

[Debabrata Pani]

Thanx Ken,

Regards,
Debabrata

On 03/03/16 22:18, "Ken Gaillot" <kgaillot at redhat.com> wrote:

>On 03/03/2016 06:04 AM, Debabrata Pani wrote:
>> 
>>http://clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/s
>>-n
>> ode-delete.html
>> 
>> 
>> 
>> Are we missing the deletion of the nodes from the cib ?
>
>That documentation is old; crm_node -R does remove the node from the CIB.
>
>> Regards,
>> Debabrata 
>> 
>> 
>> From:  Somanath Jeeva <somanath.jeeva at ericsson.com>
>> Reply-To:  Cluster Labs - All topics related to open-source clustering
>> welcomed <users at clusterlabs.org>
>> Date:  Thursday, 3 March 2016 17:14
>> To:  "users at clusterlabs.org" <users at clusterlabs.org>
>> Subject:  [ClusterLabs]  Removing node from pacemaker.
>> 
>> 
>> Hi,
>>  
>> I am trying to remove a node from the pacemaker¹/corosync cluster, using
>> the command ³crm_node -R dl360x4061 ­force².
>
>The above command removes the node from pacemaker itself, but not the
>underlying cluster layer, which should be done first.
>
>High-level tools often offer simple commands to handle both the
>pacemaker and cluster layer parts for you. For pcs, it's "pcs cluster
>node remove <nodename>".
>
>Otherwise, the process for removing the node from the cluster layer
>varies by what you're using -- heartbeat, corosync 1 with plugin,
>corosync 1 with CMAN, or corosync 2. Generally, you want to stop the
>cluster software on the node to be removed first, then remove the node
>from the layer's configuration on the remaining nodes if it is
>explicitly specified there.
>
>> Though this command removes the node from the cluster, it is appearing
>>as
>> offline after pacemaker/corosync restart in the nodes that are online.
>>  
>> Is there any other command to completely delete the node from the
>> pacemaker/corosync cluster.
>>  
>> Pacemaker and Corosync Versions.
>> PACEMAKER=1.1.10
>> COROSYNC=1.4.1
>>  
>> Regards
>> Somanath Thilak J
>
>
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