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Date:      Mon, 25 Sep 1995 15:49:56 -0700 (PDT)
From:      Julian Elischer <julian@ref.tfs.com>
To:        hsu@freefall.freebsd.org (Jeffrey Hsu)
Cc:        julian@freefall.freebsd.org, hackers@freefall.freebsd.org
Subject:   Re: disk going bad?
Message-ID:  <199509252249.PAA08301@ref.tfs.com>
In-Reply-To: <199509250650.XAA03637@freefall.freebsd.org> from "Jeffrey Hsu" at Sep 24, 95 11:50:11 pm

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It only replaces it if it can recover the data..
try writing to that block.. then it should replace it..

> 
> 	Under 2.0.5, run the sample script in the scsi(8 or 1) man page
> 	to turn on bad-block remapping
> 
> I did this and found Auto Read Reallocation was already on.
> 
> In theory, how is this supposed to work?  If the drive replaces the
> bad read block w/ a good block, how does the fs handle the lost
> data?
> 




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