[Pacemaker] Add new node in the case of unicast with corosync v1.4.2

Andrew Beekhof andrew at beekhof.net
Sun Apr 26 16:32:56 EDT 2015


> On 26 Apr 2015, at 5:58 am, Kadlecsik József <kadlecsik.jozsef at wigner.mta.hu> wrote:
> 
> Hi,
> 
> We have an unicast setup with corosync v1.4.2 which is unable to reload 
> it's configuration file, and want to add a new node.
> 
> Our plan is to enable maintenance mode in pacemaker and restart corosync 
> at the nodes one by one, then disable maintenance mode. We have just 
> VirtualDomain and stonith resources. Is it a working method to add a new 
> node so that the services (resources) are not interrupted?

As long as you dont have a cluster filesystem, you should be fine.

> 
> Is there a better way to add a new node without downtime in this 
> configuration?
> 
> Best regards,
> Jozsef
> --
> E-mail : kadlecsik.jozsef at wigner.mta.hu
> PGP key: http://www.kfki.hu/~kadlec/pgp_public_key.txt
> Address: Wigner Research Centre for Physics, Hungarian Academy of Sciences
>         H-1525 Budapest 114, POB. 49, Hungary
> 
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org





More information about the Pacemaker mailing list