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Article View: comp.sys.masscomp
Article #86

Re: Random data about the upcoming NFS release

#86
From: Mike Tankenson
Date: Fri, 13 Nov 1987 20:15
37 lines
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david@elroy (David Robinson) writes...
> >My personal theory is that Masscomp thinks people will only
> >except fast NFS systems or they want to sell a bunch of
> >301 boards.  If you can live with slower performence then you
> >might not need to buy a 301.
> >
> We, like Sun, believe that most people will not like NFS if it is slow.
> However, the real problem is that we are able to deadlock a 201 board with NFS.
> The limited memory space makes it easy to exhaust the mbuf supply.  
> Unfortunately, it is not easy to define some number of clients or any 
> other simple criterion customers could use to avoid the deadlock
> in all cases.  Yes, the 301 is faster, but more
> importantly it has enough memory to handle NFS traffic loads.
> >
> 
> Alan Atlas
> Supervisor, OS Development
> 

What about a 5500 (68010 cpu) with 4 MB memory, running TCP/IP in kernel
mode?  I believe that the 301 has 1/2 MB of memory, so for my system, the
68010 should suffice, no?

*If* there is a problem with running RT-NFS in kernel mode, then I'm sure
that the beta testers will find this out.  Generally, people should be
given a wide variety of choices (price/performance), and although I don't
think MC will be selling many more 68010 machines, those customers with the
older boxes would *still* like NFS (at a reasonable price).

--mike

Mike Tankenson                Telos/Jet Propulsion Laboratory - NASA
4800 Oak Grove Drive, Pasadena, CA.  91109            (818) 354-1447
Uucp: seismo!cit-vax!jplpro!mike
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From: mike@devvax.jpl.nasa.gov (Mike Tankenson)
Newsgroups: comp.sys.masscomp
Subject: Re: Random data about the upcoming NFS release
Message-ID: <3261@soma.bcm.tmc.edu>
Date: Fri, 13-Nov-87 15:15:05 EST
Article-I.D.: soma.3261
Posted: Fri Nov 13 15:15:05 1987
Date-Received: Sat, 21-Nov-87 11:14:45 EST
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In-Reply-To: Message from "Alan Atlas" of Nov 10, 87 at 9:36 pm