From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: chrisw@redhat.com, kvm@vger.kernel.org,
Juan Quintela <quintela@redhat.com>,
dlaor@redhat.com, qemu-devel@nongnu.org,
Chris Wright <chrisw@sous-sol.org>,
Ayal Baron <abaron@redhat.com>,
"Venkateswararao Jujjuri (JV)" <jvrao@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] Re: KVM call agenda for Oct 19
Date: Tue, 19 Oct 2010 15:27:15 +0200 [thread overview]
Message-ID: <4CBD9CB3.5080609@redhat.com> (raw)
In-Reply-To: <4CBD9B87.9010008@codemonkey.ws>
On 10/19/2010 03:22 PM, Anthony Liguori wrote:
>
> I had assumed that this would involve:
>
> qemu -hda windows.img
>
> (qemu) snapshot ide0-disk0 snap0.img
>
> 1) create snap0.img internally by doing the equivalent of `qemu-img
> create -f qcow2 -b windows.img snap0.img'
> 2) bdrv_flush('ide0-disk0')
> 3) bdrv_open(snap0.img)
> 4) bdrv_close(windows.img)
> 5) rename('windows.img', 'windows.img.tmp')
> 6) rename('snap0.img', 'windows.img')
> 7) rename('windows.img.tmp', 'snap0.img')
>
Looks reasonable.
Would be interesting to look at this as a use case for the threading
work. We should eventually be able to create a snapshot without
stalling vcpus (stalling I/O of course allowed).
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-10-19 13:27 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-18 15:43 [Qemu-devel] KVM call agenda for Oct 19 Juan Quintela
2010-10-19 2:11 ` [Qemu-devel] " Chris Wright
2010-10-19 12:48 ` Dor Laor
2010-10-19 12:55 ` Avi Kivity
2010-10-19 12:58 ` Dor Laor
2010-10-19 13:03 ` Avi Kivity
2010-10-19 13:18 ` Anthony Liguori
2010-10-19 13:22 ` Anthony Liguori
2010-10-19 13:27 ` Avi Kivity [this message]
2010-10-19 13:33 ` Anthony Liguori
2010-10-19 13:38 ` Stefan Hajnoczi
2010-10-19 13:55 ` Avi Kivity
2010-10-19 13:28 ` Anthony Liguori
[not found] <314565543.45891287507100965.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
2010-10-19 16:54 ` Ayal Baron
2010-10-19 17:09 ` Anthony Liguori
2010-10-20 9:18 ` Kevin Wolf
2010-10-20 9:41 ` Ayal Baron
2010-10-20 13:05 ` Anthony Liguori
[not found] <512838278.79671287521779658.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
2010-10-19 20:57 ` Ayal Baron
2010-10-19 21:19 ` Anthony Liguori
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