diff options
Diffstat (limited to 'qemu-img.texi')
| -rw-r--r-- | qemu-img.texi | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/qemu-img.texi b/qemu-img.texi index ae8ca922e0..dd248eadc5 100644 --- a/qemu-img.texi +++ b/qemu-img.texi @@ -25,43 +25,8 @@ differ @item base_fmt is the disk image format of @var{base_image}. for more information look at @var{fmt} @item fmt -is the disk image format. It is guessed automatically in most cases. The following formats are supported: - -@table @code -@item raw - -Raw disk image format (default). This format has the advantage of -being simple and easily exportable to all other emulators. If your -file system supports @emph{holes} (for example in ext2 or ext3 on -Linux or NTFS on Windows), then only the written sectors will reserve -space. Use @code{qemu-img info} to know the real size used by the -image or @code{ls -ls} on Unix/Linux. - -@item host_device - -Host device format. This format should be used instead of raw when -converting to block devices or other devices where "holes" are not -supported. - -@item qcow2 -QEMU image format, the most versatile format. Use it to have smaller -images (useful if your filesystem does not supports holes, for example -on Windows), optional AES encryption, zlib based compression and -support of multiple VM snapshots. -@item qcow -Old QEMU image format. Left for compatibility. -@item cow -User Mode Linux Copy On Write image format. Used to be the only growable -image format in QEMU. It is supported only for compatibility with -previous versions. It does not work on win32. -@item vdi -VirtualBox 1.1 compatible image format. -@item vmdk -VMware 3 and 4 compatible image format. -@item cloop -Linux Compressed Loop image, useful only to reuse directly compressed -CD-ROM images present for example in the Knoppix CD-ROMs. -@end table +is the disk image format. It is guessed automatically in most cases. See below +for a description of the supported disk formats. @item size is the disk image size in bytes. Optional suffixes @code{k} or @code{K} @@ -150,6 +115,45 @@ they are displayed too. List, apply, create or delete snapshots in image @var{filename}. @end table +Supported image file formats: + +@table @option +@item raw + +Raw disk image format (default). This format has the advantage of +being simple and easily exportable to all other emulators. If your +file system supports @emph{holes} (for example in ext2 or ext3 on +Linux or NTFS on Windows), then only the written sectors will reserve +space. Use @code{qemu-img info} to know the real size used by the +image or @code{ls -ls} on Unix/Linux. + +@item host_device + +Host device format. This format should be used instead of raw when +converting to block devices or other devices where "holes" are not +supported. + +@item qcow2 +QEMU image format, the most versatile format. Use it to have smaller +images (useful if your filesystem does not supports holes, for example +on Windows), optional AES encryption, zlib based compression and +support of multiple VM snapshots. +@item qcow +Old QEMU image format. Left for compatibility. +@item cow +User Mode Linux Copy On Write image format. Used to be the only growable +image format in QEMU. It is supported only for compatibility with +previous versions. It does not work on win32. +@item vdi +VirtualBox 1.1 compatible image format. +@item vmdk +VMware 3 and 4 compatible image format. +@item cloop +Linux Compressed Loop image, useful only to reuse directly compressed +CD-ROM images present for example in the Knoppix CD-ROMs. +@end table + + @c man end @ignore |