Re: [Xen-users] Re: Hardware differences for 2 xen servers?

["Tijl Van den Broeck" <subspawn@xxxxxxxxx>]

Live migration does indeed require a CPU from the same family
(architecture and features) but afaik a different chipset doesn't
really matter.

On 6/21/06, Matthew Palmer <mpalmer@xxxxxxxxxxx> wrote:
> Seriously?  That sounds like a pretty bad failing of live-migration -- I'd
> *really* expect live migration to be robust against this sort of thing,
> otherwise you'd need to reboot the VM in order to put it onto upgraded
> hardware -- and if you've got to reboot it *any* time, then you have to
> design your infrastructure to accomodate that, and hence you have the
> capability to reboot it without service failure, so you don't really need
> live migration after all...
It would indeed be nice if you didn't have to reboot when moving
towards a new architecture family but as you said... one has to design
the infrastructure to ensure service continuity. I think HA-failover
setups between domU's (on seperate dom0's) are most viable and
live-migration is just a feature for small upgrades, for load
balancing and it's nice for showing off ofcourse ;-)

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