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Re: [linux-lvm] Volume Groups and Clusters



Joshua ChaitinPollak wrote:
> 
> On Feb 22, 2006, at 3:49 AM, Heinz Mauelshagen wrote:
> 
>> On Tue, Feb 21, 2006 at 04:22:10PM -0500, Joshua ChaitinPollak wrote:
>>> Hello, I found this mention of sharing Volume Groups across Clusters
>>> on the LVM howto:
>>>
>>> http://www.tldp.org/HOWTO/LVM-HOWTO/sharinglvm1.html
>>>
>>> Am I right in assuming that this means you can have a single volume
>>> group active on multiple nodes in a cluster, provided that you doing
>>> mount the same logical volume on more than one node at a time?
>>
>> Yes, you assume right *but* you need a cluster filesystem (eg, GFS)
>> as well to be able to mount shared logical volumes on multiple nodes
>> at once or you mess up the data.
> 
> Right, but I don't need GFS if I'm only going to mount the file system
> on one machine at a time, right?

No, just a lot of care and discipline :)

-- 

patrick


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