[Linux-cluster] Cluster v2 online adding nodes?

[Christine Caulfield]

On 26/04/10 00:33, Jeff Sturm wrote:
>> -----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.)
>
> Make sure you bump the version number of cluster.conf after any change.
> We also run "ccs_tool update" afterwards to propagate the new config to
> other nodes before starting cman on the new node.  If removing a node,
> we stop it before removing from the config file.
>

Yes, you must stop a node before removing it from cluster.conf. Also be 
aware that removing a node from cluster.conf will not remove it from the 
"cman_tool" display unless you are running cluster3.

Chrissie