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Date:      Tue, 18 May 1999 17:39:13 -0600 (MDT)
From:      "Kenneth D. Merry" <ken@plutotech.com>
To:        Andreas.Pleschutznig@Schwab.COM (Pleschutznig Andreas)
Cc:        freebsd-smp@FreeBSD.ORG
Subject:   Re: Which MB, SCSI Controller any suggestions?
Message-ID:  <199905182339.RAA37246@panzer.plutotech.com>
In-Reply-To: <11585F032846CF11867900805FE2A57706D615D7@N1002SMX.nt.schwab.com> from "Pleschutznig, Andreas" at "May 18, 1999  7:14:33 pm"

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Pleschutznig, Andreas wrote...
> Hi everybody,
>  
> Either I'm blind (maybe) or it isn't stated anywhere I've looked so far, or
> ... But I'm looking for the answer to a couple of questions. 

[ I'll answer the questions I have some clue about ]

> -) How many processors is FreeBSD capable to use efficiently? 

Generally you can have up to 4, but a guy at some company that I can't
remember the name of patched FreeBSD to work with their 8-way systems.
That company subsequently went out of business, so don't worry about 8-way
systems for now.

SMP is only supported on i386 at the moment, there is not yet any support
for SMP on Alpha boxes.

> -) Are there any real world suggestions to High Performance disk controllers
> (SCSI, Fibre controllers, ...)

If you want SCSI, I'd say go with high end Adaptec controllers, like the
3950U2 or 2940U2W.  If you want Fibre Channel, the best thing to get is
a QLogic board.  Ask Matt Jacob <mjacob@feral.com> if you have questions
about which QLogic FC boards are supported.

Ken
-- 
Kenneth Merry
ken@plutotech.com


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