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Full Discussion: Can I use mkdvd to create bootable DVD from mksysb on tape
Operating Systems AIX Can I use mkdvd to create bootable DVD from mksysb on tape Post 303005850 by rbatte1 on Tuesday 24th of October 2017 05:11:19 AM
Old 10-24-2017
Yes, but it's messy and requires you to copy the file to disk first. Oh.

In theory you could position the tape by skipping forward 2 tape files (or is it 3?) and then using the drive as the parameter for the -m flag, but in practice I would expect this to fail. Give it a try though. You still need space to process it though (see below)

Is there a physical limitation on adding a disk? They are relatively cheap now.

Can you share the output from lsvg, lsvg -l rootvg? We might be able to work something. Also, the contents of /etc/exclude.rootvg and /image.data

The mkdvd eventually calls readcd with the-w flag (for write) which is rather bizarre, but it need enough space to have two copies of the image whilst it does it. The first is to extract the image in to, then the next is to rebuild making a bootable image to write as a single IO to the media.

Do you have another AIX server with a DVD-RAM drive that does have space?


I sadly no longer have access to AIX servers, but I will see what I can remember.



Kind regards,
Robin
 

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LEARN ABOUT DEBIAN

tgtimg

TGTIMG(8)																 TGTIMG(8)

NAME

       tgtimg - Linux SCSI Target Framework Image File Utility

SYNOPSIS

       tgtimg [-o --op <operation>] [-Y --device-type <device-type>] [-b --barcode <barcode>] [-s --size <size>] [-t --type <media-type>]
	      [-f --file <path>]

       tgtimg --help

DESCRIPTION

       Tgtimg is a utility to create and manage the image files used by the TGTD device emulation.

       This command is used to initialize device image files with the additional metadata, such as barcode, list of blocks, total size, etc that
       the TGTD emulation needs.

OPTIONS

       -h, --help
	   Show a help screen and exit.

       -o, --op {new|show}
	   Operation. Is either new to create a new image file or show to show the content of an existing image file.

       -Y, --device-type <type>
	   This specifies the type of image file.

	   Supported device types are :
	       cd   : to create media for a dvd device
	       disk : to create media for a disk device
	       tape : to create media for a tape device

       -t, --type <media-type>
	   When creating a new image, this specifies the type of media to emulate. The available mediatypes depend on the type of the device.

	   Supported media types for cd devices are :
	       dvd+r : create a blank writeable DVD+R disk

	   Supported media types for disk devices are :
	       disk  : create an empty disk

	   Supported media types for tape devices are :
	       data  : create a normal data tape
	       clean : create a cleaning tape
	       worm  : create a worm

       -b, --barcode <barcode>
	   When creating a new image, this argument specifies the barcode to use with this image file. Backup application software often uses
	   barcodes to identify specific tapes. When emulating a VTL, make sure that all tape images use unique barcodes.

       -s, --size <size>
	   When creating a new image, this specifies the size in megabytes for the virtual tape image.

       -f, --file <path>
	   The filename of the image file.

EXAMPLES

       To create a new 100MByte disk

		 tgtimg --op new --device-type disk --type disk --size 100 --file /data/hd001.raw

       To create a new tape image

		 tgtimg --op new --device-type tape --barcode 12345 --size 100 --type data --file /data/tape001.img

       To view the content of an existing image

		 tgtimg --op show --device-type tape --file /data/tape001.img

       To create a new blank DVD+R image

		 tgtimg --op new --device-type cd --type dvd+r --file /data/dvd001.iso

SEE ALSO

       tgtd(8), tgtadm(8), tgt-admin(8), tgt-setup-lun(8).  http://stgt.sourceforge.net/

REPORTING BUGS

       Report bugs to <stgt@vger.kernel.org>

								    04/04/2010								 TGTIMG(8)
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