Howto dd if=/dev/dvd of=/some/image.iso

From: P (byqil3s02_at_sneakemail.com)
Date: 04/30/04 

Date: Fri, 30 Apr 2004 00:33:48 +0200

This is really what I'd like to do:
dd if=/dev/dvd of=/some/image.iso
and then later:
xine --auto-scan dvd:///some/image.iso/

But when I try the dd above, it fails with:
dd: reading `/dev/hdc': Input/output error

dmesg shows a bunch of these
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54
end_request: I/O error, dev 16:00 (hdc), sector 2746172

I then saw a posting somewhere that said to try to use isosize -x
/dev/dvd. And so I did:

$ isosize -x /dev/dvd
sector count: 3218289, sector size: 2048

dd if=/dev/dvd of=/some/image.iso bs=2048 count=3218289

but still same result. Now is this because there actually is something
faulty with either my drive or the DVD disk? Or could this be an
artifact of copy protection? Or is there a better way?

Is a question that is even legal to ask? Or answer?

P

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