Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!vsi!friedl From: friedl@vsi.COM (Stephen J. Friedl) Newsgroups: comp.arch Subject: Re: What is a Mainframe? Message-ID: <1142@vsi.COM> Date: 1 Jul 89 09:11:27 GMT References: <125@ssp1.idca.tds.philips.nl> <20752@winchester.mips.COM> <27814@lll-winken.LLNL.GOV> Distribution: comp.arch Organization: V-Systems, Inc. -- Santa Ana, CA Lines: 18 In article <27814@lll-winken.LLNL.GOV>, brooks@vette.llnl.gov (Eugene Brooks) writes: > An impressive example of this is the self healing disk system for the > Connection Machine. Its throughput is 32 megabytes per second, and > it is composed of an array of disk drives such that each drive handles > one bit of a 64 bit word. 72 drives are used in a standard error correcting > scheme and if one disk fails completely the think stays up. You replace > the disk and its data gets reconstructed from the error correction code. I think Micropolis came out with one of these as well. They used nine drives with spindle synchronization logic. Steve -- Stephen J. Friedl / V-Systems, Inc. / Santa Ana, CA / +1 714 545 6442 3B2-kind-of-guy / friedl@vsi.com / {attmail, uunet, etc}!vsi!friedl ---> vsi!bang!friedl <-- NEW "Friends don't let friends run Xenix" - me