All of lore.kernel.org
 help / color / mirror / Atom feed
From: Fam Zheng <famz@redhat.com>
To: lampahome <pahome.chen@mirlab.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Can I convert backing file to internal snapshot?
Date: Wed, 12 Sep 2018 15:44:02 +0800	[thread overview]
Message-ID: <20180912074402.GB11164@lemon.usersys.redhat.com> (raw)
In-Reply-To: <CAB3eZfvRJRR1k0X1MQivPMcLRNZR07yv1ZxBiDAkF3qOryK0UQ@mail.gmail.com>

On Wed, 09/12 15:35, lampahome wrote:
> I have two qcow2 A & B, and A is backing file of B.
> 
> Can I convert both A&B to one image and containing data of both?
> 
> ex:
> one new image will contain data of A and B. When I check it by qemu-img
> info, I can see one snapshot in the new image.

I believe it's possible to create an internal snapshot in A and then qemu-img
commit B to A. From here, the active content is B, and the snapshot is A.

Fam

  reply	other threads:[~2018-09-12  7:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-12  7:35 [Qemu-devel] Can I convert backing file to internal snapshot? lampahome
2018-09-12  7:44 ` Fam Zheng [this message]
2018-09-14  4:23   ` lampahome
2018-09-14  6:05     ` Fam Zheng
2018-09-14 14:52       ` Eric Blake

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180912074402.GB11164@lemon.usersys.redhat.com \
    --to=famz@redhat.com \
    --cc=pahome.chen@mirlab.org \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.