Re: PATCH: cdrecord: avoiding scsi device numbering for ide devices

Robert M. Stockmann
2004-08-12T01:57:43Z

On Wed, 04 Aug 2004, H.Rosmanith wrote:

> hi,
>
> I've written a patch for cdrecord/cdrtools. I've sent it to Joerg Schilling
> already, but got no answer so far. Probably he's on vaccation.
>
> I'm sending this to LKML too, because I've read about some ... nebulosity
> with respect to scsi device numbering as used by cdrtools.
>
> To cut a long story short: the patch avoids cdrecord having to use the
> "virtual" scsi device numbering in the form of "ATAPI:x.y.z" and allows
> you to use the name of the device, e.g. /dev/hdc instead.
>
> By removing the IDE to virtual scsi bus/host/lun mapping, a lot of confusion
> can be avoided especially if you have a lot devices of this kind in one
> system.
>
> with kind regards,
> Herbert "herp" Rosmanith
>
> Version: cdrtools-2.01a34
>
> Solution: when the device specified in dev= starts with "/dev/hd" and
> this device can be found in /proc/ide, then cdrecord (and all
> it's components, such as e.g. cdrdao) is forced to use the
> ATAPI driver.
>
> The patch is really very short and works at least on our system.
>
> with kind regards,
> Herbert Rosmanith

Its indeed not straight forward to use cdrtools-2.0x together with
kernel 2.6.x . As an aid for the user, i wrote a small HOWTO for using
cdrtools together with kernel 2.6, with special focus on retrieval
of which device names to use. The small HOWTO can be found on :

http://crashrecovery.org/oss-dvd/HOWTO-ossdvd.html

regards,

Robert
--
Robert M. Stockmann - RHCE
Network Engineer - UNIX/Linux Specialist
crashrecovery.org stock@stokkie.net