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Re: [Xen-users] xen storage options - plase advise

  • To: James Pifer <jep@xxxxxxxxxxxxxxxx>
  • From: Jamon Camisso <jamonation@xxxxxxxxx>
  • Date: Wed, 3 Mar 2010 16:46:25 -0500
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 03 Mar 2010 13:50:42 -0800
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On Wed, Mar 03, 2010 at 04:25:43PM -0500, James Pifer wrote:
> On Wed, 2010-03-03 at 16:07 -0500, James Pifer wrote:
> > > > -I'm using file based disks for VMs. My preference would be to keep
> > > > doing this way
> > > 
> > > So you need to use a cluster-FS. ocfs2, gfs and so on are the way to go.
> > > 
> > 
> > Can gfs be used on sles?
> Found my answer to this and that would be No. Novell feels ocfs2 is
> superior, unfortunately as of sles11 they now sell it as a separate
> product. Nice...

Are your file backed domUs are on a SAN/NAS? If not, where do the disks
that make up your cluster reside? You can cluster LVM, though you loose
snapshotting, and NFS is also worth considering depending on how the 
shares are exported e.g. via a NAS where hardware can be more easily
hot-swapped. Migration to NFS would be easy as well since you could just
mount your files, copy the contents to an NFS share, and restart your domU.


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