From owner-freebsd-questions@FreeBSD.ORG Tue Aug 10 12:37:44 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20F67106564A for ; Tue, 10 Aug 2010 12:37:44 +0000 (UTC) (envelope-from mr4hughz@hotmail.com) Received: from snt0-omc4-s6.snt0.hotmail.com (snt0-omc4-s6.snt0.hotmail.com [65.55.90.209]) by mx1.freebsd.org (Postfix) with ESMTP id EB6D88FC0C for ; Tue, 10 Aug 2010 12:37:43 +0000 (UTC) Received: from SNT142-W18 ([65.55.90.201]) by snt0-omc4-s6.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Tue, 10 Aug 2010 05:37:42 -0700 Message-ID: X-Originating-IP: [213.194.32.13] From: Victor Ophof To: Date: Tue, 10 Aug 2010 14:37:42 +0200 Importance: Normal In-Reply-To: <4C6139AB.8020306@nagual.nl> References: <4C6139AB.8020306@nagual.nl> MIME-Version: 1.0 X-OriginalArrivalTime: 10 Aug 2010 12:37:42.0864 (UTC) FILETIME=[D3B34500:01CB3888] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: RE: AHCI driver X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Aug 2010 12:37:44 -0000 Its better to enable=2C=20 but AD4 can get renamed to ada0=20 but it's easy to fix (when reboot keep a 2nd computer handy to google the s= olution)=20 you just need to edit the /etc/fstab to point to the newly named drives ..= =20 =20 > Date: Tue=2C 10 Aug 2010 13:36:11 +0200 > From: dick@nagual.nl > To: freebsd-questions@freebsd.org > Subject: AHCI driver >=20 > I'm told it would be better to enable the AHCI driver form my SATA2=20 > drives. It would make ZFS perform better on them. From the release notes= =20 > I get: >=20 > FreeBSD cam(3)=20 > =20 > SCSI framework has been improved and a new kernel option |option=20 > ATA_CAM| has been added. This turns ata(4)=20 > =20 > controller drivers into cam(4)=20 > =20 > interface modules. When enabled=2C this option deprecates all ata(4)=20 > =20 > peripheral drivers and interfaces such as ad and acd=2C and allows cam(4)= =20 > =20 > drivers ada=2C and cd and interfaces to be natively used instead. Note=20 > that this is not enabled by default in the GENERIC kernel. >=20 > Is it really better to enable AHCI driver? >=20 > Will I be able to GEOM label normal disks (like /dev/ad0) or do I need=20 > /dev/ada0 drives for that? >=20 > Thanks for any help / advice on this matter. I'm building the server and= =20 > want to do things right from the start. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe=2C send any mail to "freebsd-questions-unsubscribe@freebsd= .org" =