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Re: Linux as a SCSI _Target_ device?

daemon@ATHENA.MIT.EDU (Jeff Noxon)
Mon Nov 16 13:38:42 1998

Date: 	Mon, 16 Nov 1998 09:17:30 -0600
From: Jeff Noxon <jeff@planetfall.com>
To: "Dr. Michael Weller" <eowmob@exp-math.uni-essen.de>
Cc: Gerard Roudier <groudier@club-internet.fr>, linux-scsi@vger.rutgers.edu
In-Reply-To: <Pine.A32.3.95.981116124235.50020F-100000@werner.exp-math.uni-essen.de>; from Dr. Michael Weller on Mon, Nov 16, 1998 at 12:52:27PM +0100

On Mon, Nov 16, 1998 at 12:52:27PM +0100, Dr. Michael Weller wrote:
> Although SCSI specifies a SEND MESSAGE command (for an SCSI network card
> or similar; well is there any one outside actually?) host A would need to
> send a SEND MESSAGE command to host B, hence host B is target of the scsi
> command and must be in 'target mode' then. 

Now I'm beginning to show my ignorance.  It was my impression that
one could use SEND MESSAGE with a controller as the target without
implementing special target functionality.

> Target mode here merely only means that the host can accept data from the
> SCSI bus which it did not explicitly ask for. Either A or B (probably
> both) must be able to do that in order for communication between them.

Ok.

So they have done a small amount of what would be necessary in my case,
but it should still be a good starting point.

Thanks for the reality check.  I'll look at their code instead of the
plain english on their web page. :)

Regards,

Jeff

--
It's time to close Windows and open source.
Linux is a trademark of Linus Torvalds.

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