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[Dvdrtools-users] udf filesystem
From: |
Mitch Davis |
Subject: |
[Dvdrtools-users] udf filesystem |
Date: |
Fri, 11 Jul 2003 01:38:19 +1000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030225 |
Hi Volker,
> http://mail.gnu.org/archive/html/dvdrtools-users/2003-06/msg00054.html
You wrote this:
> 2) Use mkudffs. You do this anywhere you can create a filesystem in,
> disk partition or file. Steps:
I have been trying to make a UDF image, and your instructions
helped a lot. Thank you!
Two minor points:
- The "dd" can take a long time, when all it's doing is
writing zeros which will then get overwritten with data.
If you're generating your image on a filesystem such as ext2/ext3
that supports "holes" (areas of virtual zero which aren't allocated
yet) you can replace use of "dd" like this:
dd if=/dev/zero of=my_music.ext2 bs=1M count=3200
With this:
dd if=/dev/zero of=my_music.ext2 bs=1M seek=3199 count=1
It's MUCH faster and does the same thing. It relies on Unix being
able to create files with "holes" in them.
- I mounted the image using mount -t udf -o loop, but then had
problems creating files with european characters. I finally
found a msg suggesting to use the "-o iocharset=iso8859-1"
option. This allows European characters.
Regards,
Mitch.
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