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Date:      Sun, 7 Jun 2009 17:27:02 +0200 (CEST)
From:      Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To:        "John ." <comp.john@googlemail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: please recommend a disk-exercising program?
Message-ID:  <alpine.BSF.2.00.0906071726040.99351@wojtek.tensor.gdynia.pl>
In-Reply-To: <abc784790906070520u629a4a5eud6053e2d2313b6f4@mail.gmail.com>
References:  <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com> <4ad871310906070300g5aa63988m370e6362829b2f28@mail.gmail.com> <abc784790906070305k77a9f067p6f3f0d22cd94b74e@mail.gmail.com> <4ad871310906070307o212f0a93x8e77faba1cebf97c@mail.gmail.com> <4A2B95C7.20701@prgmr.com> <alpine.BSF.2.00.0906071339020.98647@wojtek.tensor.gdynia.pl> <abc784790906070520u629a4a5eud6053e2d2313b6f4@mail.gmail.com>

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> :D
>
> okok, dd it is. I'll remove all data beforehand just in case. Thank
> you all for your replies.
> --

you may "cure" badblocks by

dd if=/dev/zero of=/dev/disk bs=1m

(but cleaning all data)

Disk will try to remap badblocks then.

But remember that it only make it's life a bit longer. this disk will 
fail again.



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