Hi Aaron,
The first number counts the busses, so you should know if USB is
the only other scsi bus or not. I think all the others are zeros, as I
wrote here in the Linux USB FAQ and no one has contradicted me (yet);
"Where IIRC, the first zero is the host (so it is zero if this is your
first "SCSI" adapter), the second the channel (which for usb-storage
should always be zero I believe), the third is the target (which again is
always 0 for usb-storage) and the last is the LUN. LUN 0 is the only one
probed if this kernel option is off, so you'd need to repeat this command
as root for every media type your device accepts."
regards,
Stephen.
On Fri, 18 Jul 2003, Aaron Smith wrote:
> So I've been working some more on getting an external USB CD-R drive
> connected to my Redhat 7.3 system with a 2.4.20 kernel. The problem is
> that it gets detected as a USB device but never gets attached as a SCSI
> device. I recently spoke with someone who had a similar problem and was
> able to get his drive (same drive as mine) working by issuing a
> echo "scsi add-single-device 0 0 0 0" > /proc/scsi/scsi command after
> plugging in the drive and having it detected by the USB system.
> This, unfortunately, doesn't work for me. I've also tried different
> SCSI ID's and Adaptor numbers also with no go. I already have a scsi
> device (an ide-scsi, atapi tape drive) that shows up at 0 0 0 0 and my
> CD-R, when turned on, mentions scsi1 in the line about loading
> usb-storage. However, using 1 0 0 0 doesn't work either. Is there a
> way to determine which Host/Device/LUN/etc. a USB Mass Storage device is
> using in order to use the add-single-device command correctly?
>
>
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