Red Hat Bugzilla – Bug 447345
RFE: livecd-iso-to-disk should have support for virtual disk images
Last modified: 2009-07-15 04:16:39 EDT
Description of problem:
The livecd-iso-to-disk tool requires a physical block device to work. This
makes it difficult to use with a VM. It would be nice if the livecd tools could
generate on-disk bootable images to use with qemu/VMWare/etc.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
If you want to do a file, just use losetup on it to make a block device to use.
Giving people more ways to break things by letting you specify a regular file
is a path to things breaking.
Can you suggest another solution? losetup doesn't create a valid block device
(at least, not one that the livecd tools can recognize:
# dd if=/dev/zero of=anaconda-loop.img bs=1048576 count=128
128+0 records in
128+0 records out
134217728 bytes (134 MB) copied, 0.822324 s, 163 MB/s
# dev=`losetup -f`
# echo $dev
# mkfs.ext3 $dev
mke2fs 1.40.8 (13-Mar-2008)
# livecd-iso-to-disk boot.iso $dev
boot.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
Error finding block device of /dev/loop1. Aborting!
Cleaning up to exit...
This is the reason I filed this RFE -- the livecd tools are littered with udev
and /sys references that don't work on anything but physical devices.
Should be fixed in git.
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