docs/tools/qemu-img.rst

61 by the used format or see the format descriptions below for details.
63 *SNAPSHOT_PARAM* is param used for internal snapshot, format is
76   object type is a ``secret``, which is used to supply passwords and/or
96   other QEMU processes to open it in write mode. For example, this can be used to
97   get the image information (with 'info' subcommand) when the image is used by a
122   If the *-p* option is not used for a command that supports it, the
129   in case both *-q* and *-p* options are used.
140   Specifies the cache mode that should be used with the (destination) file. See
146   Specifies the cache mode that should be used with the source file(s). See
286   *BUFFER_SIZE* is used for its value.
294   if ``-i`` is specified, *AIO* option can be used to specify different
297   If ``-n`` is specified, the native AIO backend is used if possible. On
323   alternative source file for all *SOURCE* bitmaps used by
378   image (which is *FILENAME*) will be used. Note that after a commit operation
390   The format is probed unless you specify it by ``-f`` (used for
391   *FILENAME1*) and/or ``-F`` (used for *FILENAME2*) option.
404   Strict mode is used.
487   matching backing file must be created or additional options be used to make the
630   can be used to size logical volumes or SAN LUNs appropriately for
684   *CACHE* specifies the cache mode to be used for *FILENAME*, whereas
713     somewhere else.  It can be used without an accessible old backing
751   When growing an image, the ``--preallocation`` option may be used to specify
769   space. Use ``qemu-img info`` to know the real size used by the
804     This option configures which compression algorithm will be used for
807     used with the ``-c`` option of ``qemu-img convert``, but can also be used
822     - The AES-CBC cipher is used with predictable initialization
827     - The user passphrase is directly used as the encryption key. A
838     - Initialization vectors used to encrypt sectors are based on the
847       directly used as the key.
897     Filename where all guest data will be stored. If this option is used,