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To start the utility open "cmd.exe" in the Start menu and switch to the CHARON -AXP x86 utilities executables directory ("C:\Program Files\CHARON\Utilities_X.X.XXXXXBuild_XXX\x86").

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The first step is to obtain the disk type of the disk that needs to be created:

...> mkdskcmd -list

This command results in a list of all the supported disk types.

Choose the desired disk type (for example "RZ22"), then use the "mkdskcmd" command to create the virtual disk image as shown below:

...> mkdskcmd -disk rz22 -output rz22.vdisk

A disk container "rz22.vdisk" will be created in the current directory.

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For a list of all available parameters use the "–help"switch:

...> mkdskcmd -help

Usage:
   mkdskcmd [Options]

Options:
   -help                 - to see help screen
   -h                    - to see help screen

   -output <full name>   - to specify output file name
   -o <full name>        - to specify output file name

   -disk <disk name>     - to specify the disk name from Disk table
   -d <disk name>        - to specify the disk name from Disk table

   -blsize <number>      - to specify the block size in bytes (custom disk image)
   -z <number>           - to specify the block size in bytes (custom disk image)

   -blcount <number>     - to specify number of the blocks (custom disk image)
   -c <number>           - to specify number of the blocks (custom disk image)

   -avtable <full_name>  - to specify AVDISK table file
   -a <full_name>        - to specify AVDISK table file

   -list <full_name>     - to display AVDISK table
   -l <full_name>        - to display AVDISK table

   -silent               - silent mode running
   -s                    - silent mode running

   -t - please see the '-transform' options description
   -transform <source_disk_name> <source_disk_params> - to transform the the disk image (change actual size)

   <source_disk_name> - the file name of the disk image to be transformed
   <source_disk_params> - the name of the disk from the list of available at the Disk table

   The source disk size will changed accordingly the reach the specified parameters.
   To specify the transform parameters manually, follow the option below:

   -transform <source_disk_name> -blsize <number> -blcount <number>

  -shrink - parameter which needs to be EXPLICITLY provided, if the disk size is to be decreased
  -k - parameter which needs to be EXPLICITLY provided, if the disk size is to be decreased

Return value:
   0        - for Success
   Non zero - in case of failure

Examples:

 mkdskcmd -help
 mkdskcmd -list
 mkdskcmd -avtable \etc\mkdsk.vtable -output "\etc\rk07.vdisk" -disk rk07
 mkdskcmd -output \etc\disks\custom.vdisk -blsize 512 -blcount 16384
 mkdskcmd -t E:\disks\rz22.vdisk rz59 -a "C:\Program Files\CHARON\disks\mkdsk.vtable

The "-avtable" parameter is used to work with an alternative disk specification database (or to point to the standard database ("mkdsk.vtable") if it is in a location other than the current directory).

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Transferring disk images

The "MkDskCmd" utility is able to transfer (copy) disk images of one type to a disk image of another type.

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An example of the syntax follows:

...> mkdskcmd -transfer <source disk file name> <source disk parameters> [-shrink] [-k]

where:

<source disk file name> - the file name of the disk image to be transferred
<source disk parameters> - the disk type taken from the list of available disk types displayed by the "mkdskcmd -list" command or the disk geometry specification (see below).
-shrink or -k - used to force the shrink when the target disk size is smaller than the source disk size.

Example:

...> mkdskcmd -transfer "C:\My Disks\rz22.vdisk" rz25

It is also possible to specify the disk parameters manually with "-blcount / -c" (blocks count) and "-blsize / -z" (blocks size) switches:

...> mkdskcmd -transfer <source disk file name> -blsize <number> -blcount <number>

Example:

...> mkdskcmd -t "C:\My Disks\custom.vdisk" -z 512 -c 262134

Warning
There is a certain delay between the moment when the utility reports that a disk image has been transferred and its actual availability to CHARON. This delay can reach up to several minutes in the case of very large disk transfers. This is because the host operating system needs time for the actual allocation of the enlarged file on HDD.

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Transferring disk images