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Article #98

Re: Declassification of disks and DEC

#98
From: Eric Smith
Date: Wed, 22 Jul 1992 19:24
20 lines
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>>On Tue, 21 Jul 1992 17:45:06 GMT, m1b@rayssd.ssd.ray.com (Barone) said:
> ... It seems
> that the formatter will write all zeros to bad blocks rather than the
> specified pattern that we selected.  It doesn't matter that the data
> is gone (we couldn't prove it, that block may have always contained
> zeros) -- what matters is that the pattern isn't what we specified.

Of course, if you have a bad sector it may be that you can't possibly write
to it such that it will read back the pattern you want.

The formatter in question may be failing to write to those sectors, or writing
zeros to them.  Also, even if the formatter did write the pattern you
specifed to a bad sector, it may be that it is unable to read it (because it's
bad), and returning zeros.

I don't know anything about HSCs and RA82s though, so this may have nothing
to do with it.

Cheers,
Eric
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Message-ID: <ERIC.92Jul22192456@iceland.telebit.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!telebit!eric
References: <1992Jul21.174506.25517@rayssd.ssd.ray.com>

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Newsgroups: comp.sys.dec
Path: arc1-ca.pugleaf.net!sparky!uunet!telebit!eric
From: eric@telebit.com (Eric Smith)
Subject: Re: Declassification of disks and DEC
In-Reply-To: m1b@rayssd.ssd.ray.com's message of Tue, 21 Jul 1992 17:45:06 GMT
Message-ID: <ERIC.92Jul22192456@iceland.telebit.com>
Sender: news@telebit.com
Nntp-Posting-Host: iceland.telebit.com
Organization: Telebit Corporation
References: <1992Jul21.174506.25517@rayssd.ssd.ray.com>
Date: 22 Jul 92 19:24:56
Lines: 20