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Re: [Xen-users] Debian Etch Xen Cluster (DRBD, GNBD, OCFS2, iSCSI, Heart

To: Mehdi AMINI <armeni67@xxxxxxxxxxx>
Subject: Re: [Xen-users] Debian Etch Xen Cluster (DRBD, GNBD, OCFS2, iSCSI, Heartbeat?)
From: Christian Horn <chorn@xxxxxxxxxxxx>
Date: Thu, 13 Sep 2007 20:02:15 +0200
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On Thu, Sep 13, 2007 at 09:05:59PM +0200, Mehdi AMINI wrote:
> >
> > Just remember, if something goes wrong in such a way that the domain is
> > active on both nodes at the same time with read/write access to the
> > filesystem, you *will* *destroy* the filesystem and will need to restore
> > from backup. No amount of fscking will help you.
> This is precisely the goal of OCFS, each node can mount a block device
> read/write at the same time :)

..but its also an additional layer when comparing with just having evms
or clvm on the shared disks. Would be great if those two could also provide
snapshots on shared volumes, but i dont think they do at the moment.


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