From owner-freebsd-questions@FreeBSD.ORG Sat Dec 3 16:25:09 2011 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 887C61065670 for ; Sat, 3 Dec 2011 16:25:09 +0000 (UTC) (envelope-from lists@midsummerdream.org) Received: from p3plsmtpa06-06.prod.phx3.secureserver.net (p3plsmtpa06-06.prod.phx3.secureserver.net [173.201.192.107]) by mx1.freebsd.org (Postfix) with SMTP id 67D538FC12 for ; Sat, 3 Dec 2011 16:25:09 +0000 (UTC) Received: (qmail 19051 invoked from network); 3 Dec 2011 15:58:29 -0000 Received: from unknown (70.131.50.227) by p3plsmtpa06-06.prod.phx3.secureserver.net (173.201.192.107) with ESMTP; 03 Dec 2011 15:58:29 -0000 Message-ID: <4EDA4723.7090206@midsummerdream.org> Date: Sat, 03 Dec 2011 09:58:27 -0600 From: Rob User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <4ED98E9F.9010401@midsummerdream.org> <87hb1ic7lr.fsf@pluton.xbsd.name> In-Reply-To: <87hb1ic7lr.fsf@pluton.xbsd.name> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: AHCI driver and static device names X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: lists@midsummerdream.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Dec 2011 16:25:09 -0000 Is there a loader.conf entry to enable the static ids, or will the ahci driver always use static ids if "options ATA_STATIC_ID" is in the kernel config? I desire to use stock kernels and the 9-rc2 boot iso seems to not have ATA_STATID_ID set (unless there's a loader.conf value to enable the functionality) Rob On 12/3/11 3:44 AM, Denise H. G. wrote: > > On 2011/12/03 at 10:51, Rob wrote: >> >> I was getting ready to install the latest FreeBSD 9-RCs image, and I >> found that 9 now defaults to using the ahci driver for sata disks. >> This would be great if it weren't for the fact that the ahci driver >> seems to do dynamic device name assignment as opposed to the static >> ones used with the older drivers. >> >> I've looked around on google and while this is mentioned (in old >> threads), the "solution" is to use labels or elaborate mapping via >> hints which really aren't solutions imo. If I have 15 disks in an >> array, I want to be able to label them and know which bay is which >> device name. If I have to replace a drive, I have no idea what dynamic >> device name it will have when it comes time to partition (and label, >> if I were using that). I could probably figure it out by looking at >> what disks are used on the system, but that's more work that it really >> should be. > > It seems AHCI driver uses static naming policies if you have 'options > ATA_STATIC_ID' in your kernel configuration. Anyway, I just have one > SATA disk, which the system recognizes as 'ada4'. > > I don't know whether this will apply in your case. > >> >> Is there a way to use the ahci driver and get static device names? >> >> Rob >> ................ > > >