Re: debian for m-disk

["Thomas Schmitt" <scdbackup@gmx.net>]

Hi,

Giulio Sorrentino wrote:
> I have an bdxl that i never used.

Rare and expensive.
What does xorriso say when you let it inspect the drive with the
disk in it ?

  xorriso -outdev /dev/sr0 -toc


> There are no informations on how unify the catalogs of cd/dvd/bd/dlbd.

See
  https://wiki.debian.org/MergeDebianIsos

But looking (with gunzip | less) at the .jigdo files in
  https://cdimage.debian.org/debian-cd/current/amd64/jigdo-dlbd/
i see 
  # Image size 47912828928 bytes
  # Image size 47937122304 bytes
  # Image size 25306185728 bytes
which sums up to
  121,156,136,960 = 112.835 GiB

I'v never seen a BDXL medium.
  https://www.verbatim.com/en/m-disc/products/98914-m-disc-bdxl-100gb-6x-with-branded-surface-25pk-spindle
says that its capacity is "100 GB". I guess that's triple layer.
There are 4-layer disks with "128 GB"
  https://www.runtechmedia.com/products/s4ppbd4rb03
(3-pack. 38 USD. For the same money i could get more than 40 BD-R media
with 25 GB each.)


> Why do you not provide a jigdo for m-disk?

"M-Disc" is a dye-technology, not a capacity class.
There once where M-Disc DVD+R media of about 4.5 GB.

The occasional wish for an all-in-one ISO caused me to write the script
merge_debian_isos. Usage reports are welcome.


Have a nice day :)

Thomas