Re: [Xen-devel] (no subject)

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Wed, Nov 13, 2013 at 7:02 PM, Jim Durand <jdurand@xxxxxxx> wrote:
> See log errors below, trying to live migrate VM's from Xen 3.1.2 -> Xen
> 4.2.3. Perhaps we cannot live migrate across major revs?

According to http://wiki.xen.org/wiki/Xen_Version_Compatibility :

"Xen supports migration (including live migration and save restore)
both within a stable release branch (e.g. between any versions in the
4.2.x branch) and from one major release to the next (e.g. from
release N to releaseN+1). This allows one to upgrade a pool of Xen
hosts by evacuating and upgrading the hosts one by one.

"Although it is not formally supported skipping a major release (e.g.
migration from release N to release N+2) may often work. "

Unfortunately that would mean 3.1 -> 3.2 -> 3.3 -> 3.4 -> 4.0 -> 4.1
-> 4.2... at that point shutting down the VM and starting it back up
again looks like the more attractive option.

 -George

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