On Tue, Jul 24, 2018 at 11:21:47AM +0200, Juan Quintela wrote: > Peter Xu <[email protected]> wrote: > > Postcopy recovery won't work well with release-ram capability since > > release-ram will drop the page buffer as long as the page is put into > > the send buffer. So if there is a network failure happened, any page > > buffers that have not yet reached the destination VM but have already > > been sent from the source VM will be lost forever. Let's refuse the > > client from resuming such a postcopy migration. Luckily release-ram was > > designed to only be used when src and destination VMs are on the same > > host, so it should be fine. > > > > Signed-off-by: Peter Xu <[email protected]> > > Reviewed-by: Juan Quintela <[email protected]>
Thanks. > > I wonder if we should have a FAQ somewhere and point an URL to there. Yeah we possibly should. I have plan to write up a postcopy recovery wiki page, maybe an addon to the old postcopy wiki page, but I haven't yet started (especially after knowing that libvirt developers know well about how to use it already, hence I put that a lower priority...). Regards, -- Peter Xu
