[Linux-cluster] Clustered LVM for storage

[Digimer]

On 03/08/2012 01:59 PM, Charles Riley wrote:
> Greetings,
> 
> I have an aoe device with a lot of storage in it that I would like to
> share among four rhel 4 servers.  Each of the servers will mount it's
> own storage, no data is shared between them.  e.g the servers won't be
> mounting the same volumes.
> 
> I could create four different raid groups on the aoe device and present
> a different one to each server, but that would waste space.
> What I'd rather do is create one big raid group and use clustered lvm to
> divvy the space between servers.
> 
> Is it possible?  Would it be enough to run just the clustered lvm
> daemon, or would I need to install all of the cluster suite?
> Are there other/better options?
> 
> Thanks!
> 
> Charles

In theory, it should be fine, but it will be up to you to ensure a given
LV is in fact only mounted in one place at a time.

Clustered LVM does required cman on RHEL/CentOS 6. As such, you need the
full stack, *including* fencing.

-- 
Digimer
E-Mail:              digimer at alteeve.com
Papers and Projects: https://alteeve.com