Re: [Xen-devel] migration

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> > Live migration is a lot more "exciting" from an 
> > implementation point of view than stop-and-copy, so if you do 
> > have bug reports it would be very useful to know whether you 
> > can repeat them in stop-and-copy mode. 
> 
> I was logged in the whole time and there was about 1/2 a second where it
> seemed to freeze, but no bugs to report.

With the old xend and old IO we used to get live migration times
downtimes in the order of <50ms for quiescent domains.

I'm confident we can get back to that order of performance with a
few tweaks Mike and I are currently working on.

Ian


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