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RE: [Xen-devel] Question about OCFS1/2

To: "Justin Dearing" <zippy1981@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Question about OCFS1/2
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Fri, 18 Feb 2005 13:07:16 -0000
Cc: <ian.pratt@xxxxxxxxxxxx>
Delivery-date: Fri, 18 Feb 2005 13:08:32 +0000
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Thread-topic: [Xen-devel] Question about OCFS1/2
> So I can create and mount a snapshot on the host OS of a LVM partition
> that is being mounted RW by the guest OS (naturalyl the guest sees
> them as /dev/hda* to minimize my confusion)?  Theres no data integrity
> issues there?

That should work fine, and is a good way of doing backups. Not sure I'd
want to mount it though -- better to use dump or such like.

Ian
 
> 
> On Wed, 16 Feb 2005 22:37:33 -0000, Ian Pratt 
> <m+Ian.Pratt@xxxxxxxxxxxx> wrote:
> > 
> > > Just curious, what version of LVM are you using where 
> snapshots are,
> > > uhm, reliable :-).
> > 
> > LVM snapshots work OK providing you a) use them as 
> read-only backups,
> > and b) make sure you allocate them enough disk space such 
> that there's
> > no danger of the snapshot filling.
> > 
> > I wouldn't recommend using them to do CoW guest file 
> systems, at least
> > in a production environemnt.
> > 
> > Ian
> >
> 
> 
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