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Date: Tue, 16 Aug 2005 16:47:52 +0200
From: Matthias Buelow <mkb@incubus.de>
To: Augusto Cesar Castoldi <augusto@dock.com.br>
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Cc: freebsd-stable@freebsd.org
Subject: Re: badblocks
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Augusto Cesar Castoldi wrote:

>is therer any application similar to badblocks of linux on freebsd?

badsect(8)

>How can I check and mark bad blocks of HD's ?

But normally modern drives do that by themselves (and transparently
remap them). If the filesystem starts complaining about bad blocks
(that is, hard read/write errors), that means the on-disk bad sector
list is full and it's probably time to buy a new drive.

mkb.