Re: [Qemu-devel] question about live migration with storage

[Paolo Bonzini]

On 15/01/2015 04:54, Zhang Haoyu wrote:
>>>> > >> 2) Finer-grain control the parameters of block migration (dirty bitmap
>>>> > >> granularity).
>>>> > >>
>>>> > >> 3) Block and RAM migration do not share the same socket and thus can
>>>> > >> more easily be parallelized.
>>>> > >>
> drive_mirror job is done in main-thread,
> then how to accept the qmp_migrate request while drive_mirror is performing?
> If need to wait for the completion of drive_mirror,
> how to implement the parallelization between block and ram migration?

drive_mirror runs in the background, using coroutines.

Paolo