Subject: Re: select vs select with ATN (scsi bus management)
To: Eduardo E. Horvath firstname.lastname@example.org <email@example.com>
From: Leo Weppelman <firstname.lastname@example.org>
Date: 09/14/1995 21:55:54
> Select with ATN is mandated by SCSI II and should cause the target to
> perform a message out phase. The initiator should then send an IDENTIFY
> message followed by any other messages it wants to send.
> I suggest you use select-with-ATN and send out a proper IDENTIFY
> message. This allows your driver to select the proper LUN it wants to
> talk to, since the LUN does not seem to be provided properly in the
> command with the current mid-level SCSI drivers.
Just beware the (at least in SCSI-1) IDENTIFY is optional. I just found
out that there are really devices not supporting it...