[5879] in linux-scsi channel archive
Re: WG: AW: cdrecord problems on recent Linux versions
daemon@ATHENA.MIT.EDU (Richard Gooch)
Thu Feb 11 15:31:58 1999
Date: Fri, 12 Feb 1999 07:29:26 +1100
From: Richard Gooch <rgooch@atnf.csiro.au>
To: Joerg Schilling <schilling@fokus.gmd.de>
Cc: michaels@stochastik.rwth-aachen.de, Dominik.Stadler@btk.de,
bsc@fleggaard.dk, cdwrite@lists.debian.org, dgilbert@interlog.com,
heiko_eissfeldt@z.detesystem.de, linux-scsi@vger.rutgers.edu,
xiphmont@mit.edu
In-Reply-To: <199902112025.VAA18061@fokus.gmd.de>
Joerg Schilling writes:
> >From rgooch@vindaloo.atnf.CSIRO.AU Thu Feb 11 20:47:19 1999
> >From: Richard Gooch <rgooch@atnf.csiro.au>
>
> >Michael Schwingen writes:
> >> Locally, we use a system called scsiscan[1], which creates aliases
> >> in /dev/scsi/ - in you example, I would set up the scsiscan
> >> configuration so that /dev/scsi/burner_1 is automatically created as
> >> a device node with the correct major/minor/type for the device,
> >> whetever ID I switch it to. When using disks or other devices that
> >> can be identified 100% (using contents of sector 0, plus
> >> device/vendor name), this works 100% automatic. On identical devices
> >> which can not be told apart, you still have to specify the IDs (like
> >> in the cdrecord config file).
>
> >Have you heard about devfs? It allows device drivers to register
> >device entries which will automagically appear in /dev. It supports
> >the old-style names "/dev/sg0" as well as the new-style names
> >"/dev/sg/c0b0t0u0" (controller, bus, target, unit).
>
> >It's not just for SCSI: it's for *all* devices. It's been around for a
> >year now.
>
> Interesting, this is a SYSVr4 idea (around since 1987).
Perhaps. I note that the Solaris 2 implementation is in part or in
full a user space solution (when you do boot -r from the PROM). Their
scheme doesn't appear particularly robust, since old (invalid) device
entries are sometimes left around.
> How is it configured, I did not yet notice it.
Grab the patch: http://www.atnf.csiro.au/~rgooch/linux/
Regards,
Richard....
-
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@vger.rutgers.edu
