Howto check the hard disk bad sectors in FreeBSD?

[Curtis Almond]

You can do a simple dd command to read the entire disk. If bad sectors
are found during the dd you should see ATA error messages spewing to
the console and written in /var/log/messages.


On Wed, 5 Jan 2005 13:13:18 +0800, Unreal HSHH <hunreal at gmail.com> wrote:
> Hi,
> 
> I have one harddisk installed in FreeBSD.
> And I want to check if any bad sectors on it.
> How can I do ? It seems the fsck can't do this.
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