[paranoia] No generic SCSI device found

Monty xiphmont at xiph.org
Mon Feb 5 11:54:28 PST 2001



On Mon, Feb 05, 2001 at 09:35:02AM -0500, Dale E Martin wrote:
> > If this is a concern, devfs in lk 2.4 might be considered.
> > The "primary" scsi device nodes look like this:
> > $ cd /dev/scsi/host3/bus0/target4/lun0/
> > $ ls -l *
> > brw-------    1 dougg    disk      11,   0 Dec 31  1969 cd
> > crw-rw-rw-    1 root     root      21,   2 Dec 31  1969 generic
> > 
> > >From this we know that on scsi host number 3, bus 0,
> > target 4, lun 0 there is a cdrom. Permissions can
> > then be set on these primary device nodes.
> > The /dev/sr0 and /dev/sg2 names are still there if the
> > default configuration of the devfs daemon (devfsd) is
> > used. However they are symbolic links to the "primary" 
> > device nodes. Something like cdparanoia can do a
> > different type of device scan now, based on a directory
> > scan below /dev/scsi (or perhaps /dev/ide).
> 
> Interesting that this comes up now.  Over the weekend I wrote a patch for
> cdparanoia to scan the /devfs filesystem looking for drives (it's at
> "http://www.cliftonlabs.com/~dmartin/debian" - there's a diff in there
> along with a Debian source and binary package.)

I'll be applying this patch (and making a small handful of other
'fixes' (ie, backing out annoying features no longer needed by a
modern kernel) as soon as I can get my head into it.

Monty

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