Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 11 May 2006 21:59:49 +1000
From:      Alastair Rankine <arsptr@optusnet.com.au>
To:        Norberto Meijome <freebsd@meijome.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Filesystem corruption when drives are mirrored, but not otherwise
Message-ID:  <C9D92EFD-E4AE-48B3-8A2F-7F002311BBDD@optusnet.com.au>
In-Reply-To: <20060511105934.76e4dad7@localhost>
References:  <EA1AEB77-8AD4-443C-BDC3-EE963C75E560@optusnet.com.au> <3655B84C-03FA-454B-A601-72DCEE8AE4E7@optusnet.com.au> <20060511105934.76e4dad7@localhost>

next in thread | previous in thread | raw e-mail | index | archive | help
This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--Apple-Mail-1--609618072
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

On 11/05/2006, at 10:59 AM, Norberto Meijome wrote:

> On Wed, 10 May 2006 22:45:10 +1000
> Alastair Rankine <arsptr@optusnet.com.au> wrote:
>
>>  Disabling write
>> caching seems to have fixed the problem.
>
> excuse my ignorance, but where do you do this? BIOS?

Set hw.ata.wc="0" in /boot/loader.conf

See tuning(7) for more info.

> I'm running GEOM mirrors on amd64 with SATA (I assume you mean PATA  
> when you
> say ATA).

Nope, I'm using SATA on a Promise FastTrak S150 TX2plus.

What controller are you using?

Do you get a decent write speed?

cstream -o tmpfile -v 1 -n 384m -i -

... is a good benchmark for sequential writes (cstream is in the ports).

--Apple-Mail-1--609618072
content-type: application/pgp-signature; x-mac-type=70674453;
	name=PGP.sig
content-description: This is a digitally signed message part
content-disposition: inline; filename=PGP.sig
content-transfer-encoding: 7bit

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (Darwin)

iEYEARECAAYFAkRjJzkACgkQ9jqa2eRLIceSGQCfaIJNRet4+WLflg+Mf9sXTGGv
zVcAnRe8QMv83ymfhtXSNr7Ou2K7qXgS
=wr34
-----END PGP SIGNATURE-----

--Apple-Mail-1--609618072--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?C9D92EFD-E4AE-48B3-8A2F-7F002311BBDD>