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Table of Contents
Description
The "mkdskcmd" utility:
- Creates empty disk images of a given standard disk type or a custom disk size
- Transfers existing disk images of one type to disk images of another type.
Creating disk images
The first step is to obtain the name of the disk that needs to be created:
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It is also possible to create custom disk images using "--blcount" (blocks count) and "--blsize" (blocks size) switches.
To get all the available parameters please use the "–help"switch:
mkdisk for CHARON utility v. 1.14
Copyright: STROMASYS, 2015
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
-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
--list <full_name> - to display AVDISK table
-l <full_name> - to display AVDISK table
--silent - silent mode running
-s - silent mode running
Return value:
0 - for Success
Non zero - in case of failure
Examples:
mkdskcmd -h
mkdskcmd -l
mkdskcmd -a /opt/charon/utilsbin/mkdsk.vtable -o /etc/rk07.vdisk -d rk07
mkdskcmd -o /etc/custom.vdisk -z 512 -c 16384
mkdskcmd -t /etc/rz22.vdisk rz25 -a /opt/charon/utilsbin/mkdsk.vtable
mkdskcmd -t /etc/rz22.vdisk rz25 -a /opt/charon/utilsbin/mkdsk.vtable -z 512 -c 262134
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The "--blcount" (blocks count) and "--blsize" (blocks size) switches are used to create custom disk images.
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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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| Warning |
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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 to several minutes in case of very big disks transfers. It happens because the host operating systems needs some time for actual allocation of the enlarged file on HDD. |
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