I'm pretty sure that memory for a VM on ESX is stored as a file on the same datastore with related VM files (including the root VMDK file).
It's not as clear to me how memory is stored for a XenServer VM. Perhaps it, too, is stored as a file on the same storage repository as the root VDI. On Wed, Nov 5, 2014 at 2:13 PM, Andrija Panic <[email protected]> wrote: > Wido, would it be possible that the memory is really stored as you > suggested in a separate disk file, on the same primary storage as where the > ROOTdisk exists. > How did you implement this with Xen (I'm not familiar with it at all.) ? > > On 5 November 2014 22:01, Wido den Hollander <[email protected]> wrote: > > > > > > > On 11/05/2014 07:37 PM, Logan Barfield wrote: > > > This is a feature we would like to see as well. > > > > > > Does KVM have native support for VM/Memory snapshotting? If so what > are > > > the barriers to getting this implemented? > > > > > > > KVM has the support, but there is a problem with the storage. > > > > Snapshotting a disk is simple, that's supported by QCOW2, LVM, RBD, etc. > > > > But when you want to snapshot a VirtualMachine you have to store the > > memory contents somewhere. > > > > That is something that hasn't been worked out. Do you create a > > additional 'disk' for storing the memory contents? > > > > That's the barriers I currently know for implementing it. > > > > Wido > > > > > > > > Thank You, > > > > > > Logan Barfield > > > Tranquil Hosting > > > > > > On Wed, Nov 5, 2014 at 1:20 PM, Andrija Panic <[email protected] > > > > > wrote: > > > > > >> Anybody ? > > >> > > >> On 3 November 2014 15:23, Andrija Panic <[email protected]> > > wrote: > > >> > > >>> Hi guys, > > >>> > > >>> do we have any plans in some near future to imlement full VM KVM > > >>> snapshots. So not single volume snaphost, but a reall VM snapshots. > It > > is > > >>> already there for Xen/VMware, but not KVM. > > >>> > > >>> Any thoughts, ETA, or difficulties to implement this ? > > >>> Any feedback greatly appriciated... > > >>> > > >>> Best, > > >>> > > >>> > > >>> Andrija Panić > > >>> > > >> > > >> > > >> > > >> -- > > >> > > >> Andrija Panić > > >> -------------------------------------- > > >> http://admintweets.com > > >> -------------------------------------- > > >> > > > > > > > > > -- > > Andrija Panić > -------------------------------------- > http://admintweets.com > -------------------------------------- > -- *Mike Tutkowski* *Senior CloudStack Developer, SolidFire Inc.* e: [email protected] o: 303.746.7302 Advancing the way the world uses the cloud <http://solidfire.com/solution/overview/?video=play>*™*
