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Re: [Xen-users] XEN and clustering?

To: Zoran Popović <shoom013@xxxxxxxxx>
Subject: Re: [Xen-users] XEN and clustering?
From: John Madden <jmadden@xxxxxxxxxxx>
Date: Mon, 01 Mar 2010 10:23:05 -0500
Cc: Jakov Sosic <jakov.sosic@xxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
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after finishing copy or after an external change (e.g. by action on the shared storage independently from host) on the raw device. It works like a charm, but I am not sure what would be the right solution with cluster and raw devices - GFS is fine with files, CLVM with LVMs, but I am not using LVM either (and CLVM has a drawback - snapshots are not supported).

Yeah, if you're sharing storage in a cluster, use CLVM. It ensures that things are sync'd between the nodes and that's.. uh, rather important.

CLVM doesn't support snapshots and pvmoves (others?) but you don't need them -- you can still snapshot within your domU's. Why the need to snapshot from dom0?

John



--
John Madden
Sr UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmadden@xxxxxxxxxxx

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