[linux-lvm] SAN

[Jonathan Tripathy]

On 22/04/2011 17:42, Jonathan Tripathy wrote:
>
> On 22/04/2011 17:38, Stuart D. Gathman wrote:
>> On Fri, 22 Apr 2011, Jonathan Tripathy wrote:
>>
>>> What is the best way to deploy LVM in such a way that multiple 
>>> servers could access the LVs? Really what I'm looking for is a 
>>> "common VG" for all of our servers. Note though that only one server 
>>> will actually access each LV, however it would be cool if another 
>>> server could make a snapshot to perform an rsync backup.
>>
>> This is what cluster LVM is for.  It provides a locking mechanism to
>> avoid conflicting changes to LVM metadata.
>>
> I'm a little confused on where CLVM fits into the "big picture". Let's 
> say I have one SAN server, and 10 Xen Servers. Where do I install CLVM?
>
>
Am I correct in saying that I only need to install CLVM on my Xen nodes? 
Assuming that my SAN server is just a standard iSCSI server exporting a 
few targets. I would probably only have 1 LUN per vg (hense 1 PV per vg).

Is that correct?