On 28/10/17 19:25, Paolo Bonzini wrote: > On 28/10/2017 08:57, Alexey Kardashevskiy wrote: >> On 27/10/17 18:12, Jeff Cody wrote: >>> VHDX does not support migration (VMDK fails the same way). >> >> Probably a very ignorant question but how can an image format not support >> migration at all? Is not it simple writing blocks, one-by-one? Thanks. > > VHDX does not implement bdrv_invalidate_cache. If you add that > callback, it can support migration.
I could give it a try but is there a demand for it really? -- Alexey