From owner-freebsd-hackers  Sun Sep 24 12:44:53 1995
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Date: Sun, 24 Sep 1995 12:44:52 -0700
From: Jeffrey Hsu <hsu>
Message-Id: <199509241944.MAA10897@freefall.freebsd.org>
To: hackers
Subject: disk going bad?
Sender: owner-hackers@FreeBSD.org
Precedence: bulk

I'm having incredibly bad luck w/ hard drives.  One of my drives just
exhibited the following errors.  Fsck also fails on these medium errors.
Does this mean my drive is going bad and I should replace it (still
under warranty) or will a simple reformat take care of the problem?
It's a scsi drive, which I thought took care of bad sector automatically,
but I guess not.  Note, I get a lot of these medium errors from running
fsck and that just last night, everything was fine.

Sep 24 12:27:41 armour /kernel: sd2(uha0:6:0): MEDIUM ERROR info:2f1412 asc:11,0
 Unrecovered read error
Sep 24 12:27:46 armour /kernel: , retries:4
Sep 24 12:27:46 armour /kernel: sd2(uha0:6:0): MEDIUM ERROR info:2f1412 asc:11,0
 Unrecovered read error
Sep 24 12:27:54 armour /kernel: , retries:3
Sep 24 12:27:54 armour /kernel: sd2(uha0:6:0): MEDIUM ERROR info:2f1412 asc:11,0
 Unrecovered read error
Sep 24 12:27:54 armour /kernel: , retries:2
Sep 24 12:27:54 armour /kernel: sd2(uha0:6:0): MEDIUM ERROR info:2f1412 asc:11,0
 Unrecovered read error
Sep 24 12:27:54 armour /kernel: , retries:1
Sep 24 12:27:54 armour /kernel: sd2(uha0:6:0): MEDIUM ERROR info:2f1411 asc:11,0
 Unrecovered read error
Sep 24 12:27:54 armour /kernel: , FAILURE