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=-0.4 required=5.0 tests=AC_FROM_MANY_DOTS,BAYES_00 autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,c617ae447ca32f2f X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-04-10 16:52:26 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!colt.net!newspeer.clara.net!news.clara.net!psiuk-p2!psiuk-p3!uknet!psiuk-n!news.pace.co.uk!nh.pace.co.uk!not-for-mail From: "Marin David Condic" Newsgroups: comp.lang.ada Subject: Re: Ariane Failure Date: Wed, 10 Apr 2002 08:59:11 -0400 Organization: Posted on a server owned by Pace Micro Technology plc Message-ID: References: <3CA50E9A.CBF24F1B@lanl.gov> <3CB3031A.26E08904@gbr.msd.ray.com> <3CB435A4.8A011DF1@gbr.msd.ray.com> NNTP-Posting-Host: dhcp-200-133.miami.pace.co.uk X-Trace: nh.pace.co.uk 1018443553 6022 136.170.200.133 (10 Apr 2002 12:59:13 GMT) X-Complaints-To: newsmaster@news.cam.pace.co.uk NNTP-Posting-Date: 10 Apr 2002 12:59:13 GMT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Xref: archiver1.google.com comp.lang.ada:22339 Date: 2002-04-10T12:59:13+00:00 List-Id: "Never" is a really long time! :-) Seriously. There are lots of good engineering reasons to develop multi-redundant identical systems. See my other post relating to that. See RAID and JABOD drives as one example of how/why this can be a good thing. MDC -- Marin David Condic Senior Software Engineer Pace Micro Technology Americas www.pacemicro.com Enabling the digital revolution e-Mail: marin.condic@pacemicro.com "Steve O'Neill" wrote in message news:3CB435A4.8A011DF1@gbr.msd.ray.com... > > Well, no matter where you assume the failures will or will not occur you > should never design a dual-redundant system where both strings are > identical. > > Steve