From owner-freebsd-geom@FreeBSD.ORG Wed Jun 4 11:14:25 2014 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3D131DC1 for ; Wed, 4 Jun 2014 11:14:25 +0000 (UTC) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E8E8D2508 for ; Wed, 4 Jun 2014 11:14:24 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Ws995-0002qt-Io for freebsd-geom@freebsd.org; Wed, 04 Jun 2014 13:14:15 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 04 Jun 2014 13:14:15 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 04 Jun 2014 13:14:15 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-geom@freebsd.org From: Ivan Voras Subject: Re: Geom stripe bottleneck Date: Wed, 04 Jun 2014 13:14:02 +0200 Lines: 40 Message-ID: References: <538D9BC3.6040509@metrico.lu> <20140603204811.GJ31367@funkthat.com> <538EDB11.6090507@metrico.lu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="eRInOfdD3fBUQP8jTulD489aX1POTm7JP" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 In-Reply-To: <538EDB11.6090507@metrico.lu> X-Enigmail-Version: 1.6 X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jun 2014 11:14:25 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --eRInOfdD3fBUQP8jTulD489aX1POTm7JP Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 04/06/2014 10:38, Frank Broniewski wrote: > Tagged Command Queuing (TCQ) no no > Native Command Queuing (NCQ) yes 32 tags > is NCQ now enabled? The corresponding line in the camcontrol identify > output doesn't tell me that explicitly but also doesn't deny that ... > but the dmesg.boot may hint that the ahci module is loaded ... I'm > confused :-) I think this is normal (unless mav says otherwise :) ) - I get the same on all my systems. Using "camcontrol tags ada3" is a quick way to see the number of tags supported. If NCQ is not enabled, this value is "1". --eRInOfdD3fBUQP8jTulD489aX1POTm7JP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iKYEARECAGYFAlOO/3pfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3Bl bnBncC5maWZ0aGhvcnNlbWFuLm5ldDYxNDE4MkQ3ODMwNDAwMDJFRUIzNDhFNUZE MDhENTA2M0RGRjFEMkMACgkQ/QjVBj3/HSyxPwCeJ7TyDbGTnAlBQ7dDRUcSrfpy daMAn3AQbJwzsTwhkXwxkOm0llTT5DAl =RGqX -----END PGP SIGNATURE----- --eRInOfdD3fBUQP8jTulD489aX1POTm7JP--