Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!vrdxhq!dgis!eplrx7!lad From: lad@eplrx7.UUCP (Lawrence Dziegielewski) Newsgroups: comp.sys.mac Subject: Re: A/UX filesystem performance Message-ID: <447@eplrx7.UUCP> Date: Fri, 24-Jul-87 08:13:10 EDT Article-I.D.: eplrx7.447 Posted: Fri Jul 24 08:13:10 1987 Date-Received: Sat, 25-Jul-87 18:12:09 EDT References: <44025@beno.seismo.CSS.GOV> <10252@amdahl.amdahl.com> <1353@apple.UUCP> Organization: E.I. DuPont Co. Engineering Physics Lab Lines: 29 Summary: 4.3 for the II? In article <1353@apple.UUCP>, rpd@apple.UUCP (Rick Daley) writes: > NO! NO! NO! A/UX does NOT run on top of the Mac OS. It is a "real UNIX" > and uses a "real UNIX" file system. A/UX is based on System V.2 with Oh please. Rick, is there any chance a developer ( like myself ) could get his hands on AU/X to explore the possibility of porting a 'Real Unix (bsd 4.3) to the II? > 2) The file system is System V style, not the Berkely "fast file system." > I, for one, hope that the fast file system will be an option in future > releases of A/UX, but it will not be so for the first release. The fast file > system yields better performance and supports long file names. Amen. Implementing the FFS under AU/X would be a real plus. (no pun intended). > move the bytes itself. This lack of DMA hardware means that disk I/O will > always be a weak point of A/UX performance on a Mac II. How's about an ESDI disk interface for the II? lad@eplrx7 (302) 695-1311 "With every mistake, we must surely be learning...." - George Harrison