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Re: [Linux-cluster] how can I share a logical volume?




Only one node is phisically connected, at this moment (this might change in the future).
I was able to create a logical volume and mount it locally, so I assume everything was correctly connected. Am I wrong?

Thank you.

----- Original Message ----
From: John Ruemker <jruemker redhat com>
To: linux clustering <linux-cluster redhat com>
Sent: Tuesday, April 15, 2008 8:04:46 PM
Subject: Re: [Linux-cluster] how can I share a logical volume?

When you say you want to share storage with the other 2 nodes, do you
mean only one node is physically connected to the storage and exports it
to the other 2?  Or do you mean that all three nodes are connected to
the same storage and they share the device?


If the former, gnbd is probably what you want.  If the latter, you
should see the same devices (/dev/sdX) on each node.  If you do not, you
have misconfigured your HBA or LUNs.  Once they all see the same
devices, you should be able to start clvmd and all 3 will see the
clustered volume group.


John

Andrew A. Neuschwander wrote:
> Did you setup the node with the storage as a gnbd server and the other
> nodes as gnbd clients? I think this is what you want in order for the
> nodes to all have block level access to the storage for clvmd and dlm to
> run on top of.
>
> -A


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