Jens Petersohn wrote:
>
> >
> > Well it was a miracle it worked in the first place!
> > 1) Linux thinks it is the only initiator on a SCSI bus
> > 2) W95 + W98 most likely make the same assumption
> > 3) The SCSI scanners I've played with have particularly
> > bad target implementations prone to lock up at the
> > first sign of an irregularity.
>
> Yes and no (to 1 and 2). Nothing in SCSI necessarily precludes
> you from having several initiators on the same bus, provided
> that that the ID and termination rules are obeyed. Wether the
> firmware on the target can handle this situation is an entirely
> different issue.
Agreed. And to ensure conflict-free access to a device, the SCSI
commands "Reserve Unit" and "Release Unit" can be used, if they are
supported. (Ok, I must admit that I'm writing "pure theoy" -- I didn't
use them in the Sharp backend...)
Abel
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This archive was generated by hypermail 2b29 : Thu Aug 24 2000 - 07:31:11 PDT