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# Date Author Comment
ae6b0ed6 05/03/2010 11:07 am Stefan Hajnoczi

qemu-img: Add 'resize' command to grow/shrink disk images

This patch adds a 'resize' command to grow/shrink disk images. This
allows changing the size of disk images without copying to a new image
file. Currently only raw files support resize.

Signed-off-by: Stefan Hajnoczi <>...

f932c040 11/09/2009 04:43 pm Kevin Wolf

Documentation: Move image format descriptions to own section

The description of the image formats is too long to be a subitem of a parameter
description. It will become even longer when we include the options provided by
the respective format.

Signed-off-by: Kevin Wolf <>...

8063d0fe 11/09/2009 04:43 pm Kevin Wolf

Documentation: Don't mention old qemu-img options

The old options are still supported for compatibility, but they are
inconsistent (for example create -b vs. convert -B for backing files) and
incomplete (-F only exists for create) which tends to confuse people. Remove...

3e032364 11/09/2009 04:43 pm Kevin Wolf

Documentation: Add options to image format descriptions

Explain the existing format specific options that can be used with qemu-img
create/convert -o ...

Signed-off-by: Kevin Wolf <>
Signed-off-by: Anthony Liguori <>

a6af8e5f 10/06/2009 10:36 pm Adrian Bridgett

add host_device format description to qemu-img manpage

Converting files using "qemu-img convert" onto logical volumes (or any
block device) you need to use the currently undocumented "host_device"
format. This patch adds the required documentation to the manpage....

9aebd98a 08/10/2009 09:05 pm Stefan Weil

Add new block driver for the VDI format (only aio supported)

This is a new block driver written from scratch
to support the VDI format in QEMU.

VDI is the native format used by Innotek / SUN VirtualBox.

Latest changes:

  • stripped down version
    (code for synchronous operations and experimental code removed)...
153859be 06/07/2009 09:59 am Stuart Brady

Use hxtool for qemu-img command list

Use hxtool to generate the 'command syntax' section of qemu-img's help
message, and the corresponding section of the texinfo documentation.

This has the side-effect of adding 'check' to this list of commands in
the texinfo documentation....

eff44266 06/06/2009 06:39 pm Kevin Wolf

Document changes in qemu-img interface

Update the documentation to reflect the introduction of format specific options
with -o. Don't advertise -e or -6 any more, they exist only for compatibility
reasons and can be replaced by the corresponding -o options....

9230eaf6 03/28/2009 07:55 pm aliguori

qemu-img: adding a "-F base_fmt" option to "qemu-img create -b" (Uri Lublin)

If the user specifies the backing file format,
then when opening the backing file, there is no need
to probe the (backing file) image to figure out its format.

This follows my previous patches implementing bdrv_create2...

d2c639d6 01/24/2009 08:19 pm blueswir1

Synch code, help and docs

Rearrange code, help printout and docs so that they are in the same
(hopefully more logical) order for easier maintenance.

Add help and docs for undocumented options.

Reformat slightly for more consistent help output.

Add comments to encourage better synchronization in the future....

f58c7b35 06/06/2008 12:53 am ths

New qemu-img convert -B option, by Marc Bevand.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4672 c046a42c-6fe2-441c-8c8c-71466251a162

ff7ab59f 06/06/2008 12:00 am ths

Update documentation for qemu-img convert options, by Marc Bevand.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4671 c046a42c-6fe2-441c-8c8c-71466251a162

ec36ba14 09/17/2007 12:59 am ths

vmdk compatibility level 6 images, by Soren Hansen.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3175 c046a42c-6fe2-441c-8c8c-71466251a162

5fafdf24 09/17/2007 12:08 am ths

find -type f | xargs sed -i 's/[\t ]$//g' # on most files

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162

4be456f1 06/03/2007 04:41 pm ths

Documentation spelling fixes, by Mark Glines.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2928 c046a42c-6fe2-441c-8c8c-71466251a162

19d36792 08/08/2006 12:34 am bellard

update

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2100 c046a42c-6fe2-441c-8c8c-71466251a162

e5d80f94 07/23/2005 08:43 pm bellard

update

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1518 c046a42c-6fe2-441c-8c8c-71466251a162

acd935ef 11/16/2004 12:57 am bellard

doc update - added qemu-img manual page

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1151 c046a42c-6fe2-441c-8c8c-71466251a162