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Article #785Re: SCSI drivers
From: Marc Albert Ullman
Date: Tue, 18 Aug 1992 18:03
Date: Tue, 18 Aug 1992 18:03
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In article <1992Aug18.173248.21572@leland.Stanford.EDU> m@crito.stanford.edu (M Carling) writes: >You compare real-world tests with the drive manufacturers' claims >seemingly in an attempt to show that NeXT's SCSI driver is inferior to >that of other vendors. Please, if you want to make such a claim, test >NeXT's SCSI performance against someone else's SCSI performance, not >against claimed theoretical performance. I would not exactly call "disk / read" a "real-world" test. How much more ideal can you get? Also, I'm not claiming that other *UNIX* SCSI driver's are necessarily good--simply that NeXT's could stand some improvement. >This is correct. NeXT currently supports neither sychronous SCSI nor >tagged command queueing. I unsuccessfully lobbied to have them included in >3.0. That makes two of us. > Before NeXT will support these SCSI features, they will put every >type of hard drive that they ever shipped through qualification testing to >make sure that implementing them won't "break" anyone's system. I am >confident, however, that NeXT will eventually support these features. I woould have preferred to see them put it in but be disabled by default so that adventuresome users could have enabled it at their own risk. --Marc
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Newsgroups: comp.sys.next.software Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!leland.Stanford.EDU!marcu From: marcu@leland.Stanford.EDU (Marc Albert Ullman) Subject: Re: SCSI drivers Message-ID: <1992Aug18.180311.25480@leland.Stanford.EDU> Sender: news@leland.Stanford.EDU (Mr News) Organization: DSG, Stanford University, CA 94305, USA References: <1992Aug18.072833.15164@leland.Stanford.EDU> <1992Aug18.173248.21572@leland.Stanford.EDU> Date: Tue, 18 Aug 92 18:03:11 GMT Lines: 26