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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@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: Fri, 3 Jun 2011 13:20:27 -0300	[thread overview]
Message-ID: <20110603162027.GA4956@amt.cnet> (raw)
In-Reply-To: <4DE51D18.9060309@redhat.com>

On Tue, May 31, 2011 at 07:53:44PM +0300, Avi Kivity wrote:
> >Don't see the need for that, management can simply wait for livecopy to
> >finish or cancel livecopy and restart on destination after migration.
> 
> They can do it, but I imagine it's pretty hard for them.

Well, they have to handle migration failures anyway.

> 
> >But yeah, it should be implemented sometime...
> >
> 
> 
> We should make an effort not to introduce interdependencies which
> make management's life harder.

While this is a good principle there is no way around complexity for
management here. If migration is supported, the block copy target image
filenames must be specified on the destination.

  reply	other threads:[~2011-06-06  1:33 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
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 [this message]
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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