From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,bc1361a952ec75ca X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-09-04 14:29:08 PST Path: archiver1.google.com!newsfeed.google.com!sn-xit-02!supernews.com!news.tele.dk!small.news.tele.dk!4.1.16.34!cpk-news-hub1.bbnplanet.com!denver-snf1.gtei.net!news.gtei.net!coop.net!newsfeed1.global.lmco.com!svlnews.lmms.lmco.com!news1.lmtas.lmco.com!not-for-mail From: Gary Scott Newsgroups: comp.lang.ada Subject: Re: Ada OS talk (was: Progress on AdaOS) Date: Tue, 04 Sep 2001 16:00:29 -0500 Organization: LM Aeronautics Message-ID: <3B9540ED.7EF3C7B5@lmtas.lmco.com> References: <9n2jcd$b50$1@nh.pace.co.uk> <3B94E65B.CDA2CAB7@lmtas.lmco.com> <9n3au2$lf2$1@nh.pace.co.uk> NNTP-Posting-Host: CAA261517.lmtas.lmco.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.72 [en]C-CCK-MCD {C-UDP; LMTAS} (WinNT; U) X-Accept-Language: en,pdf Xref: archiver1.google.com comp.lang.ada:12723 Date: 2001-09-04T16:00:29-05:00 List-Id: I thought VM and MVS had this long before DEC. Marin David Condic wrote: > > I don't know if DEC invented it or implemented it first or anything like > that, but the first time I saw that was with VMS. They had "disk striping" > which let you spread files or a database across several drives for faster > access and/or redundancy. Not really that new since a disk with multiple > independent heads is essentially the same problem & I think those were in > existence a long time ago. Its a useful technique. > > I'd consider that to be outside of the "file system" as an "implementation > detail" peculiar to a specific kind of device. A RAID or JABOD would be just > one storage medium among many. (Should a file system support paper tape, > punch cards and similar devices?) > > MDC > -- > Marin David Condic > Senior Software Engineer > Pace Micro Technology Americas www.pacemicro.com > Enabling the digital revolution > e-Mail: marin.condic@pacemicro.com > Web: http://www.mcondic.com/ > > "Gary Scott" wrote in message > news:3B94E65B.CDA2CAB7@lmtas.lmco.com... > > A look at OS/2's recent file system(s) changes would be in order. It > > supports treating multiple hard drives as a single large drive, > > transparently, easy to set up and use. > >