[Pacemaker] Adding a ressource

[Dejan Muhamedagic]

Hi,

On Fri, Jul 16, 2010 at 11:52:42AM +0200, pierre.casenove at almerys.com wrote:
> Hello all,
> I'm running an active/passive cluster with apache running on it.
> I've declared 2 IPs and the apache process as ressources. I've declared a 
> colocation between these IP and apache, and an order so that apache is 
> brung up after the IPs.
> 
> As my system is in production now, I can't really play around with it!
> I'm wondering how I can add a third IP to the cluster and modify the 
> colocation and order directives?
> 
> To create the ressource, it's ok:
> crm configure primitive ClusterIP_3 ocf:heartbeat:IPaddr2 params 
> ip=172.17.1.3 cidr_netmask=32 op monitor interval=30s
> 
> But I don't know how to modify the existing colocation and order 
> directives.

Just use the edit command. Note that adding a third resource to a
constraint will make it a resource set. Otherwise, you can add a
second constraint. See chapter 6 in
http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained

> If you could also point me to a complete crm commands guide, it would be 
> perfect.

http://www.clusterlabs.org/doc/crm_cli.html

The help command prints the reference part from the document.

Thanks,

Dejan

> Pierre

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