From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kwolf@redhat.com, Jes.Sorensen@redhat.com, dlaor@redhat.com,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [patch 6/7] QEMU live block copy
Date: Sun, 29 May 2011 11:54:25 +0300 [thread overview]
Message-ID: <4DE209C1.4080807@redhat.com> (raw)
In-Reply-To: <20110523213411.003695437@amt.cnet>
On 05/24/2011 12:31 AM, Marcelo Tosatti wrote:
> Support live image copy + switch. That is, copy an image backing
> a guest hard disk to a destination image (destination image must
> be created separately), and switch to this copy.
>
> Command syntax:
>
> block_copy device filename [-i] -- live block copy device to image
> -i for incremental copy (base image shared between src and destination)
>
> Please refer to qmp-commands diff for more details.
IMO it would have been nicer to use the mirror driver for all copying;
there would be no STAGE_DIRTY; simply a background process that copies
over all blocks, taking care not to conflict with ongoing writes. It
would also remove the conflict with migration.
But that's an implementation detail and can be changed later.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-05-29 8:54 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-23 21:31 [Qemu-devel] [patch 0/7] live block copy (v3) Marcelo Tosatti
2011-05-23 21:31 ` [Qemu-devel] [patch 1/7] add migration_active function Marcelo Tosatti
2011-05-27 17:43 ` Kevin Wolf
2011-05-30 0:53 ` Jes Sorensen
2011-05-23 21:31 ` [Qemu-devel] [patch 2/7] Add blkmirror block driver Marcelo Tosatti
2011-05-24 19:03 ` Blue Swirl
2011-05-27 17:45 ` Kevin Wolf
2011-05-29 8:45 ` Avi Kivity
2011-05-23 21:31 ` [Qemu-devel] [patch 3/7] Add error messages for live block copy Marcelo Tosatti
2011-05-23 21:31 ` [Qemu-devel] [patch 4/7] Add blkdebug points " Marcelo Tosatti
2011-05-23 21:31 ` [Qemu-devel] [patch 5/7] Add vmstop code " Marcelo Tosatti
2011-05-23 21:31 ` [Qemu-devel] [patch 6/7] QEMU " Marcelo Tosatti
2011-05-24 19:15 ` Blue Swirl
2011-06-03 15:59 ` Marcelo Tosatti
2011-05-29 8:54 ` Avi Kivity [this message]
2011-05-31 16:06 ` Marcelo Tosatti
2011-05-31 16:14 ` Avi Kivity
2011-05-31 16:38 ` Marcelo Tosatti
2011-05-31 16:53 ` Avi Kivity
2011-06-03 16:20 ` Marcelo Tosatti
2011-05-23 21:31 ` [Qemu-devel] [patch 7/7] do not allow migration if block copy in progress Marcelo Tosatti
2011-05-29 8:54 ` Avi Kivity
-- strict thread matches above, loose matches on Subject: below --
2011-06-06 16:55 [Qemu-devel] [patch 0/7] live block copy (v4) Marcelo Tosatti
2011-06-06 16:55 ` [Qemu-devel] [patch 6/7] QEMU live block copy Marcelo Tosatti
2011-06-07 12:15 ` Stefan Hajnoczi
2011-06-08 15:10 ` Jagane Sundar
2011-06-08 16:18 ` Stefan Hajnoczi
2011-06-09 15:42 ` Jagane Sundar
2011-06-15 16:59 ` Marcelo Tosatti
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