On Mon, Feb 08, 2010 at 12:07:30PM -0800, nate wrote: > Simon Billis wrote: > > > Good quality storage (which usually comes at a price) will provide the > > functionality that is needed to backup the VM's either as a complete VM > > image or files from the VM filesystem. Entry level storage from suppliers > > such as Equallogic/Dell comes with this functionality and it is possible to > > have the storage up and attached to servers within 10 mins from un-boxing it > > (but do allow a little longer to understand it ;-) .) > > Suggest reading this interesting piece "3 years of equallogic" before > thinking about using it's snapshot stuff - > > http://www.tuxyturvy.com/blog/index.php?/archives/61-Three-Years-of-Equallogic.html > > Of course not all snapshot solutions are created equal, equallogic's > appears to be especially poor in this regard. > I think that blog post gives too negative view of the EQL snapshots. They work very well for many use cases. Having a lot of random small writes all over the volume seems to cause a lot of wasted disk space though. -- Pasi