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Date:      Mon, 14 May 2007 20:20:00 +0200
From:      Peter Schuller <peter.schuller@infidyne.com>
To:        Ted Mittelstaedt <tedm@toybox.placo.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Stable many-port SATA controller recommendations
Message-ID:  <4648A850.5070005@infidyne.com>
In-Reply-To: <BMEDLGAENEKCJFGODFOCOEAPCAAA.tedm@toybox.placo.com>
References:  <BMEDLGAENEKCJFGODFOCOEAPCAAA.tedm@toybox.placo.com>

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>> WARNING - WRITE_DMA48 UDMA ICRC error (retrying request) LBA=3D<a numb=
er>
>=20
> please post dmesg!

http://distfiles.scode.org/mlref/freebsd-dmesg-promise-tx4-7current.tx

> Be aware that some disk drives do the wrong thing.  Western Digital des=
ktop
> disks, for example, don't simply remap a sector when they find a bad on=
e,
> they sit there scrubbing forever trying to reread the data.  WD calls t=
his
> a "feature" and their server-quality WD disks that cost more don't do t=
his.
> It makes use of these disks impossible in a raid array.  Seagates and
> Maxtor desktop drives to my knowledge don't do this.

This was Seagate. I have not investigated whether I can trigger it as
easily with the Maxtor.

--=20
/ Peter Schuller

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