On 02/21/2017 06:43 AM, Peter Lieven wrote: > Hi, > > > is there anyone ever thought about implementing something like VMware > CBT in Qemu? > > > https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1020128
Yes; in fact, the work on persistent dirty bitmaps and on NBD BLOCK_STATUS reporting is what we envision as the building blocks for an upper layer software to be able to grab CBT information on which blocks are dirty. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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