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Re: [linux-lvm] Volume Groups and Clusters

On Feb 22, 2006, at 8:12 AM, Patrick Caulfield wrote:

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:


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 :)

Great! And, my co-workers keep telling me, "You lack discipline!"

Joshua ChaitinPollak
Software Engineer
Kiva Systems

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