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

[Justin Dearing <zippy1981@xxxxxxxxx>]

Wim, 

Are you saying your going to provide nightly snapshopt os XEN with
ocfs modules built or is this "nightly qa type run" talk refer to some
ocfs  maintaince procedute I'm unaware of?

On Thu, 17 Feb 2005 08:50:39 -0800, Wim Coekaerts
<wim.coekaerts@xxxxxxxxxx> wrote:
> 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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