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Date: Tue, 17 Apr 2007 13:06:53 -0400
From: Bill Moran <wmoran@potentialtech.com>
To: "Doug Poland" <doug@polands.org>
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Cc: questions@freebsd.org
Subject: Re: Exercising ATA disks in hopes of revealing errors
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In response to "Doug Poland" <doug@polands.org>:

> Hello,
> 
> I've just come into possesion of a bunch of 80GB ATA drives.  I'd like
> to quickly and efficiently test each drive to see if it's free of
> errors and suitable for deployment in non-critical workstations.
> 
> Using FreeBSD 6.x as a testing platform, what tools do people use to
> stress-test disk drives?  I've searched ports and done some googling
> but nothing stands out.

You can use bonnie++ to stress test the drives, but it doesn't guarantee
that it uses all of the drive, so you might want to do a massive dd
"dd if=/dev/zero of=/dev/[rawDevice] bs=512 count=[#sectors]" as one
possible example.

Check with the vendors, though.  Many drive manufacturers have utilities
you can download specifically to check their drives.

-- 
Bill Moran
http://www.potentialtech.com