Article View: comp.arch.storage
Article #42Re: DAT as data drive
From: Rogier Wolff
Date: Mon, 27 Jul 1992 10:57
Date: Mon, 27 Jul 1992 10:57
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dale@convex.com (Dale Lancaster) writes: >In <92201.120931ADB103@psuvm.psu.edu> <ADB103@psuvm.psu.edu> writes: >It is likely that you can work up a computer connection to these >drives (ID1, ID2, ID3), but my survey of the ID type drives is >that the Bit Error Rate is too high to store digital data (typically >in the 1x10-10 range. A coulpe of vendors have adapted the ID >drive to a DD (Digital Data) drive, but it took some work to get >the BER down to 1x10-13 which also added to the cost of the drive. A software (dual) parity check or reed-solomon ecc, would in no time improve the BER to better than 1x10-13. One would have to do good blocking and so forth to prevent dataloss due to a burst of errors. Roger -- If the opposite of "pro" is "con", what is the opposite of "progress"? (stolen from kadokev@iitvax.iit.edu, who got it from brydon@asl.sinet.slb.com) EMail: wolff@duteca.et.tudelft.nl ** Tel +31-15-783644 or +31-15-142371
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Newsgroups: comp.arch.storage Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!sun4nl!dutrun!donau!duteca8.et.tudelft.nl!wolff From: wolff@duteca8.et.tudelft.nl (Rogier Wolff) Subject: Re: DAT as data drive Message-ID: <1992Jul27.105750.1830@donau.et.tudelft.nl> Sender: news@donau.et.tudelft.nl (UseNet News System) Nntp-Posting-Host: duteca8.et.tudelft.nl Organization: Delft University of Technology, Dept. of Electrical Engineering References: <92201.120931ADB103@psuvm.psu.edu> <dale.711685272@convex.convex.com> Date: Mon, 27 Jul 1992 10:57:50 GMT Lines: 19