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Re: [Linux-cluster] Cluster v2 online adding nodes?



You can add a node, but remember that there are special variables you will
need to un-override:
<cman two_node="1" expected_votes="1"> </cman> 

Both of these vabiables will no longer be necessary.

Keep in mind that your heartbeat network will need ot support a third node.
(no cross-cables, check your network for multicast functionality)


Regards,

Kit

-----Original Message-----
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of Celso K. Webber
Sent: zaterdag 8 mei 2010 5:09
To: linux clustering
Subject: Re: [Linux-cluster] Cluster v2 online adding nodes?

I believe you can online add a third node on a 2-node cluster with you use
qdiskd since the beginning, right?

This worked for me in a project where we knew in advance that we'd have a
third node later on, but starting only with 2 nodes.



----- Original Message ----
From: Jeff Sturm <jeff sturm eprize com>
To: linux clustering <linux-cluster redhat com>
Sent: Sun, April 25, 2010 8:33:45 PM
Subject: Re: [Linux-cluster] Cluster v2 online adding nodes?

> -----Original Message-----
> Can I add or remove a node from cluster by just adding/removing it
from
> cluster.conf? Is that kind of cluster reconfiguration supported
without
> reboots?

Provided your cluster has more than 2 nodes, this should work fine.  (I
believe two node clusters are special.)


      

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