Re: A/UX filesystem performance

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Article #17584

#17584

From: Mark Wittenberg
Date: Fri, 24 Jul 1987 01:19

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From article <2495@hoptoad.uucp>, by tim@hoptoad.uucp (Tim Maroney):
> A/UX runs on top of the Mac OS.  If the UNIX file system is not "real UNIX"
> but merely a front-end to the Mac HFS software, then the single-threaded
> nature of HFS could be expecvted to present extreme performance obstacles,
> since only one process's file system request can get serviced at once, and
> the rest are sleeping.  I don't have an A/UX to play with, but if it runs
> Mac disks, then it is almost surely not a real UNIX file system.
> -- 
> Tim Maroney, {ihnp4,sun,well,ptsfa,lll-crg,frog}!hoptoad!tim (uucp)
> hoptoad!tim@lll-crg (arpa)

A/UX doesn't run on top of the Mac OS, and uses UNIX file systems, not
HFS or MFS.  There may be utilities to read those disks, but A/UX doesn't
recognize them as filesystems.  You're right, a single-threaded UNIX filesystem
would have disastrously poor performance.
-- 
Mark Wittenberg
Relational Technology, Inc.
Alameda, CA
ihnp4!zehntel!rtech!mark    or    ucbvax!mtxinu!rtech!mark

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!ut-sally!husc6!think!ames!ptsfa!hoptoad!rtech!mark
From: mark@rtech.UUCP (Mark Wittenberg)
Newsgroups: comp.sys.mac
Subject: Re: A/UX filesystem performance
Message-ID: <1084@rtech.UUCP>
Date: Thu, 23-Jul-87 21:19:28 EDT
Article-I.D.: rtech.1084
Posted: Thu Jul 23 21:19:28 1987
Date-Received: Sat, 25-Jul-87 13:54:09 EDT
References: <2495@hoptoad.uucp>
Organization: Relational Technology Inc. Alameda, CA 94501
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