From owner-freebsd-questions  Sat Aug  5  4: 7:11 2000
Delivered-To: freebsd-questions@freebsd.org
Received: from freebsd.dk (freebsd.dk [212.242.42.178])
	by hub.freebsd.org (Postfix) with ESMTP
	id 1387337B69E; Sat,  5 Aug 2000 04:07:06 -0700 (PDT)
	(envelope-from sos@freebsd.dk)
Received: (from sos@localhost)
	by freebsd.dk (8.9.3/8.9.1) id NAA59699;
	Sat, 5 Aug 2000 13:07:00 +0200 (CEST)
	(envelope-from sos)
From: Soren Schmidt <sos@freebsd.dk>
Message-Id: <200008051107.NAA59699@freebsd.dk>
Subject: Re: EIDE Problems - fsbn read error
In-Reply-To: <200008042340.QAA14005@relay.lppi.com> from Lew payne at "Aug 4, 2000 04:40:16 pm"
To: lew@lppi.com (Lew payne)
Date: Sat, 5 Aug 2000 13:07:00 +0200 (CEST)
Cc: freebsd-questions@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL54 (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

It seems Lew payne wrote:
> 
> One of our new FreeBSD 3.5-REL systems is periodically locking up,
> due to an apparent disk error.  These are brand-new IBM 7200 RPM
> 60 GB ATA/66 EIDE drives, in a ccd configuration as follows:
> 
> Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
> /dev/da0s1a     79359    20357    52654    28%    /
> /dev/da0s1f   8025325  1023010  6360289    14%    /usr
> /dev/da0s1e    119055     3401   106130     3%    /var
> procfs              4        4        0   100%    /proc
> /dev/ccd0c  239854317 127105965 93560007    58%    /spool
> 
> cat /etc/ccd.conf
> # ccd ileave flags component devices
> ccd0  128    none  /dev/wd0s1e /dev/wd2s1e /dev/wd1s1e /dev/wd3s1e
> 
> and the error message (which repeats infinitely) is:
> 
> Jul 31 01:02:06 news /kernel: wd0s1e: soft error reading fsbn 81057521
>   of 81057520-81057551 (wd0s1 bn 81057521; cn 64331 tn 7 sn 20)
>   (status 58<rdy,seekdone,drq> error 1<no_dam>)
> Jul 31 01:02:16 news /kernel: wd0s1e: soft error reading fsbn 81057521
>   of 81057520-81057551 (wd0s1 bn 81057521; cn 64331 tn 7 sn 20)
>   (status 58<rdy,seekdone,drq> error 1<no_dam>)
> 
> The system just gets stuck doing this seek over and over again, at
> which point it becomes impossible to log in via the console, or do
> anything else (I/O bound).
> 
> Is there a trick to getting soft-recovery working with EIDE devices?
> Better yet, how can I get rid of this problem without getting rid of
> the new drives?  It seems that it sits there trying to recover from
> this "soft error" but never does, and never maps it in the replacement
> block table as "bad".
> 
> Is there a way to "reformat" the drive (low level, perhaps) so that
> it maps out the appropriate replacement table for the darn fsbn? Or
> how about a way of adding bad blocks to it?
> 
> Any help in solving this would be appreciated !!

Upgrade to 4.0 or better yet 4.1, the new ATA drivers there has better
error recovery...

Oh, and there is no idea in reformatting a modern ATA/IDE drive, if 
they have bad sectors they have used up all their spares, and should
be retired asap...

-Søren


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message