Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!apple!ksand
From: ksand@Apple.COM (Kent Sandvik)
Newsgroups: comp.unix.aux
Subject: Re: A/UX 2.0.1 questions
Message-ID: <12605@goofy.Apple.COM>
Date: 19 Mar 91 04:20:51 GMT
References: <1991Mar17.075747.1576@panix.uucp> <1991Mar17.182949.12942@uokmax.ecn.uoknor.edu> <1991Mar18.031036.5667@neon.Stanford.EDU>
Distribution: na
Organization: Apple Computer Inc., Cupertino, CA
Lines: 35

In article <1991Mar18.031036.5667@neon.Stanford.EDU> kaufman@neon.Stanford.EDU (Marc T. Kaufman) writes:

>Repeat after me: "Partition, not FORMAT!". Any OS that can do a makefs is
>powerful enough to write a partition map.  If the OS can mount multiple
>partitions to A/UX, then there is absolutely no reason it can't mount
>multiple HFS partitions.  This has NOTHING to do with unsuported SCSI
>commands.

Well, this is the danger, the customer happily both formats and partitions
the disk, boots A/UX from the newly formatted and partitioned (and installed)
disk, and suddenly the hard disk starts spewing SCSI commands sets that
the A/UX dev driver don't know anything about. This is the dilemma in
one sentence. 

And sure, it has nothing, nothing, to do with multiple HFS partitions
(don't know who did that connection in the first place, not me).

The HD Setup is not aware that it needs to send off a string that maybe
reprograms the EEPROM or something similar to a more narrow set of commands 
so the drivers won't complain.

I hope this clarified the situation. If not, send me email and I could
send you back some stories about things like this happening in real life.

Regards,
Kent Sandvik, MacDTS






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