Hi!
Devfs (currently only in the kernel series 2.3.x or as patch) is
another good idea, too.
http://www.atnf.csiro.au/~rgooch/linux/kernel-patches.html
With devfs you have a fine stuctured device tree in /dev.
ie: /dev/scsi/host0/bus0/target6/lun0/generic
is my scanner cause it ever has scsi-id 6 ... ;-)
Douglas Gilbert <dgilbert@interlog.com> wrote:
> Steffen Vogelreuter wrote:
> >
> > My scanner was off during reboot. I wanted my scanner work without another reboot
> > and I used the echo command from the FAQ but the scanner was detected as sg3
> > and not as sg2 as he is detected at normal reboot. After that SANE returns "no
> > devices available" How can I tell the echo to use the scanner as sg2 or SANE to
> > use sg3.
>
> You can't. Once a sg mapping (sd, sr, or st mapping) has been
> established then 'echo "scsi add-single-device ..." ' will
> not change that mapping but append the new device.
>
> What you may be able to do is remove the device occupying
> /dev/sg2 (with 'remove-single-device') and then add your
> scanner followed by the re-adding the device that originally
> occupied /dev/sg2 . This would not be a good idea if
> /dev/sg2 was a disk containing your root file system.
>
> There are other possibilities as well. See the FAQ (question
> 4.6) at: http://www.torque.net/sg/faq.html .
> The 'scsidev' utility might be a useful addition to the
> SANE release for people who have several SCSI devices
> which are not always present at boot.
>
> Doug Gilbert
>
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k33p h4ck1n6 René
-- René Rebe (Registered Linux user: #127875) http://www.rene.rebe.myokay.net/ -Germany-Anyone sending unwanted advertising e-mail to this address will be charged $25 for network traffic and computing time. By extracting my address from this message or its header, you agree to these terms.
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