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Date:      Fri, 30 Mar 2007 20:21:11 +0000
From:      "Christian Walther" <cptsalek@gmail.com>
To:        "Alex Zbyslaw" <xfb52@dial.pipex.com>
Cc:        FreeBSD Users Questions <freebsd-questions@freebsd.org>
Subject:   Re: ad0: TIMEOUT - Is my disk dying?
Message-ID:  <14989d6e0703301321h3461c431i4e0d4a2315838ba8@mail.gmail.com>
In-Reply-To: <460D1441.60904@dial.pipex.com>
References:  <14989d6e0703291420y1ed229dej7e2808a859f6efa6@mail.gmail.com> <B43905CF-7FE8-4A6F-8805-B15DE2C2EAB3@rottnic.nl> <D6B5375CBC761B4BAD78E414B4BB55729101BC@mercury.rac.com.au> <14989d6e0703300200j670a46f3s6369d8132b76ba62@mail.gmail.com> <460D1441.60904@dial.pipex.com>

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On 30/03/07, Alex Zbyslaw <xfb52@dial.pipex.com> wrote:
> Christian Walther wrote:
>
> >>
> >> > > I'm seeing a lot of the following messages lately:
> >> > >
> >> > > Mar 29 21:02:01 pixie kernel: ad0: TIMEOUT - READ_DMA retrying (1
> >> > > retry left) LBA=13554983
> >> > > Mar 29 21:02:34 pixie kernel: ad0: TIMEOUT - READ_DMA retrying (1
> >> > > retry left) LBA=35376691
> >>
>
> Just thought I should point out that you can get errors like this if
> your disk drive *cable* is faulty or has wiggled loose.
>
Yes, I know these defects, but this is an IBM Laptop which doesn't has
a cable to connect the HDD to the mainboard. I just checked it as I
replaced the disk. ;-)

So the system is up and running again. Everything went really smooth:
I booted FreeBSIE, dumped all filesystem to a NFS share, replaced the
disk, formatted the new disk, and restored everything. Rebooted the
machine, and here we are. :-)

Thanks everybody for your advice and information.

BTW: If I understand smartmontools correctly the disks firmware
counted 67 r/w errors.



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