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

[Wim Coekaerts <wim.coekaerts@xxxxxxxxxx>]

m thinking of adding ocfs2 nightly qa type runs in xen going forward. it
is a good idea snapshots need more space.

wim

On Thu, Feb 17, 2005 at 11:48:09AM -0500, Justin Dearing wrote:
> Wait the xen kernel is 2.6 and the LVM howto and the errors I get from
> lvcreate -s indicate that I can't do snapshots on 2.6 becasue LVM2
> doenst support snapshots yet.  I think I'm back to using a clustering
> file system to enable backups..
> 
> 
> On Thu, 17 Feb 2005 11:15:40 -0500, Justin Dearing <zippy1981@xxxxxxxxx> 
> wrote:
> > 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?
> > 
> > 
> > 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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