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Article #20331

Re: Average # of bad blocks on 3M DC2120 tapes

#20331
From: Timothy Hu
Date: Thu, 28 Jan 1993 03:23
25 lines
1626 bytes
In article <5096@svin09.info.win.tue.nl> perry@win.tue.nl writes:
>
>Hello,
>
>I'm using 3M tapes (DC2120) and I get on some of my tapes a number of
>bad blocks.  Since I'm having trouble with placing a tape steamer in
>my system (386-33DX cache), which is probably a timing problem, I'm
>formatting my tapes slightly (;-) more than once.  The number of bad
>blocks on my tape increases with the times it is formatted.  What I
>want to know is (assuming the used tapes are 3M):
>   *  how many bad blocks do DC2120 tapes contain when formatted
>	for the first time?
>   *  is it "allowed" to format a tape more than once? (this compared
>	to ordinary 3M  3 1/2 disks).
>
>Please reply by e-mail if you have some useful information on this
>toppic.  Thanks in advance,
>
>Perry Egelmeers

Maybe you should bulk erase the tapes before you format them again.
-- 
Timothy Hu timhu@ico.isc.com	 | The intelligence (or lack of) expressed
Interactive Systems Corporation  | above does not necessarily reflect
Resource Solutions International | that of anyone else.
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Message-ID: <1993Jan28.032332.26236@ico.isc.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!europa.eng.gtefsd.com!paladin.american.edu!howland.reston.ans.net!spool.mu.edu!uwm.edu!linac!att!mcdchg!laidbak!newsserver.pixel.kodak.com!ico!timhu
References: <5096@svin09.info.win.tue.nl>

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Path: arc1-ca.pugleaf.net!sparky!uunet!europa.eng.gtefsd.com!paladin.american.edu!howland.reston.ans.net!spool.mu.edu!uwm.edu!linac!att!mcdchg!laidbak!newsserver.pixel.kodak.com!ico!timhu
From: timhu@ico.isc.com (Timothy Hu)
Subject: Re: Average # of bad blocks on 3M DC2120 tapes
Message-ID: <1993Jan28.032332.26236@ico.isc.com>
Keywords: tapes, tapes streamer, bad blocks
Organization: Interactive Systems Corp., Boulder CO
References: <5096@svin09.info.win.tue.nl>
Date: Thu, 28 Jan 1993 03:23:32 GMT
Lines: 25