Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 13 Feb 2009 14:33:58 +0100
From:      Ivan Voras <ivoras@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        freebsd-stable@freebsd.org
Subject:   Re: HEADS UP: Major CAM performance regression
Message-ID:  <gn3ssi$j1r$1@ger.gmane.org>
In-Reply-To: <499551B9.7050805@samsco.org>
References:  <499551B9.7050805@samsco.org>

next in thread | previous in thread | raw e-mail | index | archive | help
This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--------------enigF026D5DBF40CCFFAEA7E5EA7
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Scott Long wrote:

> I have committed a fix for this problem for FreeBSD 8-CURRENT as of SVN=

> revision 188570. FreeBSD 7-STABLE will be updated with the fix in a few=

> days once I've gotten confirmation that the fix works and doesn't cause=

> any adverse side-effects.  Anyone wanting to help in this validation
> effort should apply the attached patch to their kernel source tree and
> recompile.  Please contact me directly by email to report if the proble=
m
> is fixed for you.

I notice that write performance on an ESXi 3.5 hosted system is doubled,
but read performance remains the same (in bonnie++).
On a CISS system there is no significant change.


--------------enigF026D5DBF40CCFFAEA7E5EA7
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFJlXbQldnAQVacBcgRAsH4AKD1DgZzmC8bu54lMVwTVI7TvGMcyQCeOJiP
PZo486q8F1yPD9EBjENu+Xk=
=jA5B
-----END PGP SIGNATURE-----

--------------enigF026D5DBF40CCFFAEA7E5EA7--




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?gn3ssi$j1r$1>