From: "Manuel Neuger" <mneuger@gmx.at>
To: linux-lvm@redhat.com
Subject: [linux-lvm] clustered lvm without clvmd
Date: Thu, 12 Feb 2009 11:36:57 +0100 [thread overview]
Message-ID: <20090212103657.41710@gmx.net> (raw)
Hi all,
I have a lvm VG on top of a iscsi lun, and want to share that on
multiple hosts in order to run kvm virtual machines on logical volumes.
I recently noticed that xen-server also do this, but they do not run clvmd. Can someone explain how that could work?
I also detected that I can protect LVs by using 'tags'. That way I can
make sure that LVs are only activated by one host?
It is also no problem to restrict VG write access to one host (master).
The only problem I see is how to propagate metadata changes to the other
nodes. How do I make sure that metadata is written back to the iscsi storage? And is it enough to simple issue a 'vgsvan' on all nodes? Or is
that a bad idea?
- Manuel
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reply other threads:[~2009-02-12 10:37 UTC|newest]
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