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From: Daniel Ts'o <dantso@cris.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: HELP! fixing SCSI disk bad sectors ?
Date: 21 Feb 1996 20:54:03 GMT
Organization: HCF - Johns Hopkins University, Baltimore, Maryland, USA
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tso@cephalo.neusc.bcm.tmc.edu (Dan Ts'o) wrote:
> A 2Gb system SCSI disk on an Adaptec 2940, running Freebsd 2.1, has
>developed at least one bad sector. The kernel prints the message:
>
>Feb 18 20:53:48 rna /kernel: sd0(ahc0:1:0): MEDIUM ERROR info:333aca asc:11,0 Un
>recovered read error field replaceable unit: d0 sks:80,29
>
> How you read the above message ? Which are the bad sector numbers ?
> I would rather not have to re-SCSI format this disk. What can I do ?
>There should be a way to bad-sector replace the bad sectors with alternates ?
>What utilities do I use ? Thanks. Please email.
Not knowing what else to do, I used badsect to build a file with the bad sector in it.
However, I would really like to map out the bad sector and map in an alternate. There must be
some way to do this...