Il 02/10/2012 11:44, Peter Lieven ha scritto: > > Am 02.10.2012 um 11:38 schrieb Paolo Bonzini: > >> Il 16/09/2012 12:39, Peter Lieven ha scritto: >>> >>> I remember that this was broken some time ago and currently with >>> qemu-kvm 1.2.0 I am still not able to use >>> block migration plus xbzrle. The migration fails if both are used >>> together. XBZRLE without block migration works. >>> >>> Can someone please advise what is the current expected behaviour? >> >> Block migration is broken by design. It will converge really slowly as >> soon as you have real load in the VMs, and it will hamper the >> convergence of RAM as well. >> >> Hopefully a real alternative will be in 1.3 (based on drive-mirror on >> the source + an embedded NBD server running on the destination), then in >> 1.4 we can reimplement the block migration monitor commands using the >> alternative. > > Hi Paolo, i know that block migration is not that good, but it seems that > there is a bug in XBZRLE that is independent of block migration. Understood---but hopefully you can stop using it with 1.3, which would also work around the bug. :) Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html