[7206] in linux-scsi channel archive
Re: Fixing SCSI Layer
daemon@ATHENA.MIT.EDU (Alan Cox)
Fri Sep 10 17:22:57 1999
To: chungto@ampex.com (Tony Chung)
Date: Fri, 10 Sep 1999 21:57:03 +0100 (BST)
Cc: groudier@club-internet.fr, linux-scsi@vger.rutgers.edu
In-Reply-To: <37D9618A.7AB101D2@ampex.com> from "Tony Chung" at Sep 10, 99 12:52:43 pm
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
> > UDI is not a standard and seem to me some poor sci-fi and will never
> > happen in my systems.
>
> I just browse http://www.projectudi.org/ and find out that Intel already
> porting UDI in Linux as proof of concept.
That doesn't mean anyone in the Linux community considers UDI a serious
exercise.
> 1. support by major vendors like Sun, HP, IBM and Compaq (which buyout DEC and
> abandon CAM).
Vendors and clues don't go hand in hand. FreeBSD has more clues than all the
vendors put together and a lot less marketing reasons to choose stuff their
"friends" say they should. FreeBSD SCSI is rather nicely done.
> 2. Intel is porting UDI for Linux now!
And people are porting cobol compilers. Neither is a good idea.
> 3. UDI support SCSI-3 (including Fibre Channel)...Do CAM support that?
Of course it can, and ultra-3 LVD and all the rest. It also does it without
throwing your latency and performance out of the window.
Alan
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