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[Xen-users] SAN (Shared LUN) with CLVM

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Subject: [Xen-users] SAN (Shared LUN) with CLVM
From: Innuendo <k.ader@xxxxxxxxxx>
Date: Thu, 6 Nov 2008 12:26:21 -0800 (PST)
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System: 2 Server nodes connected to a SAN storage (shared LUNs). Shared
storage holds a Volume group (lvm2) with all my hvm guests. Live migration
works nice. But snapshots from logical volumes only usable, when i first
deactivate logical volume on the second node - otherwise errors in metadata
came up and snapshot is broken/inconsistent.
both xen 3.3 are installed on ubuntu 8.04.
can anyone explain me, how to set up clvm or point me to a
howto/cookbook/step-by-step or something similar? Any try'n'error session in
the last week ends up in dlm problems or waiting for fence or locking_type 2
unkown etc etc etc.

using clvm i hope i can realize an easy to use failover/ha szenario ---
maybe there are better ideas to solve?


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