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Article #20Re: Exabyte data capacity
From: mfineman Mark S. Fineman
Date: Wed, 04 Nov 1992 22:24
Date: Wed, 04 Nov 1992 22:24
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In article <27204@dog.ee.lbl.gov> rab@bevsun.bev.lbl.gov (Robert Belshe) writes: > >Has anyone noticed a loss of data capacity when writing >model 8500 exabytes at the optional low density? > >We have noticed that when we write a full tape from an application >which writes 8kbyte records at a data rate of around 50kbytes/second >that the tape fills up at approx 1 gbyte, instead of the expected >2 gbytes. > >A test program which writes data at 250kbytes/sec is able to >get a full 2 gbytes on a tape. > >My guess is that this is caused by the tape being unable to stay >in the streaming mode. Yes, the thing has some state mode where it writes an ignored on input track rather than stop streaming. I don't have the specifications around anymore, so I don't have the details. I'm surprised it doesn't work the same way at the higher density. -- Phone: (408) 765-4277 FAX: (408) 765-5719 Mail Stop RN4-36; Pole L10; 2200 Mission College Blvd., P.O. Box 58119, Santa Clara, CA 95052-8119 mfineman@scdt.intel.com
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Path: arc1-ca.pugleaf.net!sparky!uunet!think.com!ames!olivea!inews.Intel.COM!cad018!mfineman From: mfineman@cad018..intel.com ( Mark S. Fineman ) Newsgroups: comp.periphs Subject: Re: Exabyte data capacity Message-ID: <Bx7q8K.5nF@inews.Intel.COM> Date: 4 Nov 92 22:24:19 GMT References: <27204@dog.ee.lbl.gov> Sender: news@inews.Intel.COM (USENET News System) Organization: Intel Corporation, Santa Clara, CA Lines: 28 Nntp-Posting-Host: cad018