From: Kevin Wolf <kwolf@redhat.com>
To: Naphtali Sprei <nsprei@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: Question on qcow2 image with base image
Date: Wed, 03 Feb 2010 10:13:29 +0100 [thread overview]
Message-ID: <4B693E39.3000405@redhat.com> (raw)
In-Reply-To: <4B686521.5010407@redhat.com>
Am 02.02.2010 18:47, schrieb Naphtali Sprei:
> Hi,
> when I use a qcow2 image based on a base image, what should happen when I invoke the commit command from the qemu monitor ?
> Is it expected/intended to "flush" the data into the base image ?
Yes, this is what it's meant to do.
> IIUC, that is what happening in the released qemu (0.12).
> I would expect it not to touch the base image.
Well, committing to the base image without touching it sounds rather
difficult. ;-) If you don't want to touch the backing file, don't use
the commit command.
Kevin
prev parent reply other threads:[~2010-02-03 9:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-02 17:47 [Qemu-devel] Question on qcow2 image with base image Naphtali Sprei
2010-02-03 9:13 ` Kevin Wolf [this message]
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