[Gllug] How can a write to a re-writable cd?

Lee Blackwell lee_blackwell at eur.3com.com
Thu Jun 28 09:12:26 UTC 2001

I'm writing to CD's using a CDRW module in my Dell lappy, using the basic
scsi-ide module, mkisofs and cdrecord.

Can I assume that the hardware is being detected correctly? Have you
checked dmesg, or does the drive read normal CD's?


Lee Blackwell
Unix Specialist, NCS, 3com IT.
"There is no spoon."

On Thu, 28 Jun 2001, Lesh wrote:

> Hi,
> I'm using a HP cd writer 9300 series and Linux 2.4 loads the scsi-ide
> module to handle it.  Although ytree can read from disks that are mounted a
> simple command like od -ha /dev/hdd returns zero size even though media is
> loaded.  It seems impossible to write to this device.  Is there something
> silly I'm missing or is it just not possible to write to cd writers (or
> mine in particular).  I'm using Mandrake 8.0.
> Using fdisk also complains about the zero size and syslog suggests that
> command (0) (Test Unit Ready) fails!
> I'd happily alter the scsi-ide.c module (which emulates a SCSI interface
> for ide drives) if I knew where I could get an ATAPI spec for the drive,
> but the HP web site seems to have only "user" documentation - nothing
> seriously technical.
> Thanking you in advance,
> Lesh.
> lzz at breathemail.net

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