What is this mega-dvd-test?

[Richard Ryniker]

Fedora-14-Live-multi.iso is too large (5.2 gigabytes) for a normal DVD
with capacity of 4.7 gigabytes or so.  Aha! It must be intended for a USB
flash drive with capacity of 8GB or greater...

  [root at ryniker ryniker]# cmd/livecd-iso-to-disk --format --reset-mbr --overlay-size-mb 1024 --home-size-mb 1024 --unencrypted-home fedora/F14/Fedora-14-Live-multi.iso /dev/sdh1
  Verifying image...
  /home/ryniker/fedora/F14/Fedora-14-Live-multi.iso: Could not get pvd data
  Unable to read the disc checksum from the primary volume descriptor.
  This probably means the disc was created without adding the checksum.Are you SURE you want to continue?
  Press Enter to continue or ctrl-c to abort

  WARNING: THIS WILL DESTROY ANY DATA ON /dev/sdh!!!
  Press Enter to continue or ctrl-c to abort

  Waiting for devices to settle...
  mkdosfs 3.0.1 (23 Nov 2008)
  ERROR: /home/ryniker/fedora/F14/Fedora-14-Live-multi.iso does not appear to be a Live image or DVD installer.
  Cleaning up to exit...
  [root at ryniker ryniker]# 

Nope.  (Leap-before-you-look strategy fails in this case.)  What do we have here...

  [root at ryniker ryniker]# mount -o loop,ro fedora/F14/Fedora-14-Live-multi.iso x
  [root at ryniker ryniker]# ls -l x
  total 8
  drwxrwxr-x. 3 ryn ryn 2048 Oct 19 03:34 boot
  -r--r--r--. 1 ryn ryn 2048 Oct 19 04:37 boot.catalog
  drwxrwxr-x. 6 ryn ryn 2048 Oct 19 04:00 i686
  drwxrwxr-x. 6 ryn ryn 2048 Oct 19 04:26 x86_64
  [root at ryniker ryniker]# ls -l x/i686
  total 8
  dr-xr-xr-x. 5 root root 2048 Oct 13 03:31 Desktop
  dr-xr-xr-x. 5 root root 2048 Oct 13 03:46 KDE
  dr-xr-xr-x. 5 root root 2048 Oct 13 04:34 LXDE
  dr-xr-xr-x. 5 root root 2048 Oct 13 04:47 XFCE
  [root at ryniker ryniker]# 

Data from file x/boot.catalog
    0   01 00  00 00   00 00  00 00   00 00  00 00   00 00  00 00   |                |
   10   00 00  00 00   00 00  00 00   00 00  00 00   AA 55  55 AA   |             UU |
   20   88 00  00 00   00 00  04 00   47 00  00 00   00 00  00 00   |        G       |
   30   00 00  00 00   00 00  00 00   00 00  00 00   00 00  00 00   |                |
    .
    .
    .

  7E0   00 00  00 00   00 00  00 00   00 00  00 00   00 00  00 00   |                |
  7F0   00 00  00 00   00 00  00 00   00 00  00 00   00 00  00 00   |                |

My guess is a work-in-progress, but also possible is I do not understand
the actual objective and consequently have tried to misuse this data.

I thought the notion was to construct a single DVD that would boot in
either i686 or x86_64 machines, then allow the user to select his
preference from four appearance choices.

Jóhann, do you have more information, perhaps a reference to something
that documents the goal of this mega-dvd effort?