From: Paolo Bonzini <pbonzini@redhat.com>
To: Zhang Haoyu <zhanghy@sangfor.com.cn>, qemu-devel <qemu-devel@nongnu.org>
Cc: Gleb Natapov <gleb@kernel.org>, Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] question about live migration with storage
Date: Thu, 15 Jan 2015 11:08:01 +0100 [thread overview]
Message-ID: <54B79181.5070603@redhat.com> (raw)
In-Reply-To: <201501151756164579870@sangfor.com.cn>
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
next prev parent reply other threads:[~2015-01-15 10:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-13 1:48 [Qemu-devel] question about live migration with storage Zhang Haoyu
2015-01-13 2:03 ` Zhang Haoyu
2015-01-13 9:45 ` Paolo Bonzini
2015-01-14 2:41 ` Zhang Haoyu
2015-01-14 7:34 ` Paolo Bonzini
2015-01-14 7:58 ` Zhang Haoyu
2015-01-14 9:06 ` Paolo Bonzini
2015-01-15 3:54 ` Zhang Haoyu
2015-01-15 9:11 ` Paolo Bonzini
2015-01-15 9:56 ` Zhang Haoyu
2015-01-15 10:08 ` Paolo Bonzini [this message]
2015-03-10 2:01 ` Zhang Haoyu
2015-03-25 13:07 ` Paolo Bonzini
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