On 15/01/2015 10:56, Zhang Haoyu wrote: > I see, when waiting the completion of drive_mirror IO, the coroutine will be > switched back to main-thread to poll and process other events, like qmp > request, > then after the IO completed, coroutine will be switched back in main-loop > process, right? > > Another question: > while starting to migrate storage, will the unused sector be allocated and > transferred? > regarding the thin-provisioning qcow2 disk, will extra large IO requests be > performed, and more data be transferred for the unallocated clusters?
No. Paolo
