[Linux-cluster] Minimum requirements for clvm only?

[Lon Hohberger]

On Fri, 2006-11-17 at 13:54 -0600, Nate Carlson wrote:
> Hey all,
> 
> I'm building a new system with shared FC storage primarily to allow Xen 
> virtual machines to be migrated between host systems. I'd like to be able 
> to use LVM or some similar system that allows me to name my own volumes, 
> but don't need shared storage, rgmanager, etc. What are the minimum 
> requirements to just get clvm working? I'm assuming I don't need fence 
> devices and such for this, as those are primarily used to ensure that a 
> system is writing to a filesystem when it's not supposed to? Also, are 
> there any alternatives to clvm that may be better suited for this case?

No, it protects any shared data.  You'll need fencing for clvm.

-- Lon