On Sat, 25 Nov 2000, Stephen Liu wrote:
>Thanks again for your further advice.
>
>I have no problem reading CDRW under Linux after recompiling the kernel
>which I did several months ago but I CAN'T WRITE CDRW under Linux. For such
>a reason I have to keep 2 (two) OS, Linux and M$Win98, using the latter for
>writing CDRW with Adapter DirectCD.
I think you might misunderstand something...
CDR and CDRW are merely media, they do not dictate the data
written to disk. If you burn a CDRW the exact same way you would
burn a CDR, then it should work just fine. I do this all the
time. This makes an ISO9660 filesystem on the CDRW just like it
would on a CDR. The only thing is you can't erase files, you
must blank the whole disk to do a reburn some other time.
Direct CD is just an application. It writes to both CDR and CDRW
using the UDF filesystem (packet writing). In the case of CDRW,
this allows you to treat a CDRW as a big floppy disk. If you
require this functionality, then you MUST use UDF under Linux,
and it isn't a finished product. You need a 2.4.0 kernel and
maybe some magic.
I'd just stick to using CDRW's like eraseable CDR's.
>The difficult story began when I recently purchase a new CDWriter. It does
>not support DirectCD but only running Nero therefore I am compelled to
>maintain 3 machines with 3 CDWriters, one on M$Win98 with DirectCD, another
>on M$Win98 with Nero and another on Linux with CDRoast. The CDRW created
>with DirectCD could not be read on the machine running Nero and vice versa
>because of different format.
It all comes down to iso9660 or UDF. iso9660 is supported in
Linux (official stable) and UDF is not.
>So I am now looking for a solution with a hope from the list because I have
>a stock CDRW having data recorded with DirectCD. What I expect is a
>solution for cross reading of CDRW created between DirectCD and Nero
>respectively
I can't help or even guess about DirectCD and Nero as they are
applications only, not CD formats. If they both do UDF, and it
is compatible with the current devel Linux UDF code, you should
be in luck.
UDF is what you want in Linux to do what you need. Not an
application, but a filesystem driver.
----------------------------------------------------------------------
Mike A. Harris - Linux advocate - Open source advocate
This message is copyright 2000, all rights reserved.
Views expressed are my own, not necessarily shared by my employer.
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