[5857] in linux-scsi channel archive
Re: FC-AL support
daemon@ATHENA.MIT.EDU (Jakub Jelinek)
Wed Feb 10 16:59:41 1999
From: Jakub Jelinek <jj@sunsite.mff.cuni.cz>
To: mjacob@feral.com
Date: Wed, 10 Feb 1999 22:58:09 +0100 (CET)
Cc: steffen@gfz-potsdam.de, davem@redhat.com,
kay@hni.uni-paderborn.de, linux-raid@vger.rutgers.edu,
linux-scsi@vger.rutgers.edu
In-Reply-To: <Pine.LNX.4.04.9902101350350.9832-100000@feral-gw> from "Matthew Jacob" at Feb 10, 99 01:51:41 pm
>
>
>
> > > > The Sparc port has full support for point to point and full fc-al
> > > > fibre channel. This is utilizing Sun's SOC and SOCAL adapter cards.
> > > >
> > >
> > > What about Jaycor (JNI) cards ? They seem to simulate a SCSI
> > > interface, but with up to 255 disks connected :-)
> >
> > 255? Strange. Does it have dual Fibre Channels? Even than that number is
> > strange. AFAIK, AL topology limit is 126 devices arbitrating on the loop,
> > and one has to be the HBA...
> >
>
> You can stack more on top of the local loop entities if you have fabric
> support.
Yes, I know, but if you have fabric in (not supported yet by drivers/fc4), I
don't know where 255 comes from. You could have thousands of disks behind
fabric.
Cheers,
Jakub
___________________________________________________________________
Jakub Jelinek | jj@sunsite.mff.cuni.cz | http://sunsite.mff.cuni.cz
Administrator of SunSITE Czech Republic, MFF, Charles University
___________________________________________________________________
UltraLinux | http://ultra.linux.cz/ | http://ultra.penguin.cz/
Linux version 2.2.1 on a sparc64 machine (3958.37 BogoMips)
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