On Tue, Feb 15, 2005 at 03:03:02PM -0500, kernel wrote: > On Tue, 2005-02-15 at 14:48, Kiniger, Karl (GE Healthcare) wrote: > > I can confirm that. Creating a correct iso image from a CD is a > > major pain w/o ide-scsi. Depending on what one has done before the iso > > image is missing some data at the end most of the time. > > (paired with lots of kernel error messages) > > > > Testing was done here using Joerg Schilling's sdd: > > > > sdd ivsize=`isosize /dev/cdxxx` if=/dev/cdxxx of=/dev/null \ > > bs=<several block sizes from 2048 up tried,does not matter> > > > > and most of the time it results in bad iso images.... > > Karl, > > what about catting out that device? I.E., > > 'cat /dev/cdxxx > some.iso' > > *instead* of using 'dd' (or variants) against it? I've always had good > results using 'cat' and CDs, avoiding 'dd' and CDs whenever the > opportunity presents itself.
I dont think this is relevant. cat will probably use stdio which will do blocking similar to dd (perhaps 4 kB). Interestingly reading the files off the mounted CD works fine. Karl > > regards, > > > -fd > > -- Karl Kiniger mailto:[EMAIL PROTECTED] GE Medical Systems Kretztechnik GmbH & Co OHG Tiefenbach 15 Tel: (++43) 7682-3800-710 A-4871 Zipf Austria Fax: (++43) 7682-3800-47 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
