qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Kevin Wolf <kwolf@redhat.com>
To: Alexander Graf <agraf@suse.de>
Cc: qemu-devel Developers <qemu-devel@nongnu.org>
Subject: [Qemu-devel] Re: qemu-img help missing backing file
Date: Tue, 30 Mar 2010 14:30:44 +0200	[thread overview]
Message-ID: <4BB1EEF4.3070407@redhat.com> (raw)
In-Reply-To: <445AFA0A-43C1-4F8A-929E-EE3735E93999@suse.de>

Am 30.03.2010 14:22, schrieb Alexander Graf:
> Howdy,
> 
> I just wanted to create a backed qcow2 image and was irritated by qemu-img not showing me the correct command line option. It's just missing from the list:
[...]
> Is this intentional? The actual command still works:
> 
>> agraf@s390t27:~/git/qemu> qemu-img-kvm create -f qcow2 -b /media/studio/images/SUSE/s390/sles11.raw /dev/shm/sles11-zipl.qcow2
>> Formatting '/dev/shm/sles11-zipl.qcow2', fmt=qcow2 size=21474836480 backing_file='/media/studio/images/SUSE/s390/sles11.raw' encryption=off cluster_size=0 

-b still works to maintain compatibility with older versions. The
documented way is -o backing_file=foo (the qemu-img output you quote
even contains this option).

Kevin

  reply	other threads:[~2010-03-30 12:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-30 12:22 [Qemu-devel] qemu-img help missing backing file Alexander Graf
2010-03-30 12:30 ` Kevin Wolf [this message]
2010-03-30 12:32   ` [Qemu-devel] " Alexander Graf
2010-03-30 12:49     ` Kevin Wolf
2010-03-30 13:04       ` Juan Quintela
2010-03-30 13:23         ` Kevin Wolf

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=4BB1EEF4.3070407@redhat.com \
    --to=kwolf@redhat.com \
    --cc=agraf@suse.de \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).