From owner-freebsd-questions@FreeBSD.ORG Fri Nov 23 15:06:06 2007 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 974D516A473 for ; Fri, 23 Nov 2007 15:06:06 +0000 (UTC) (envelope-from j.catrysse@proximedia.be) Received: from smtp.proximedia.com (popop.online.be [194.88.108.79]) by mx1.freebsd.org (Postfix) with ESMTP id 43D0E13C4F2 for ; Fri, 23 Nov 2007 15:06:05 +0000 (UTC) (envelope-from j.catrysse@proximedia.be) Received: from TEC04 (unknown [194.88.104.244]) by smtp.proximedia.com (Postfix) with ESMTP id 5EE5A28740 for ; Fri, 23 Nov 2007 16:05:54 +0100 (CET) From: "Jan Catrysse" To: Date: Fri, 23 Nov 2007 16:09:49 +0100 Organization: Proximedia Belgium S.A. MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook, Build 11.0.5510 In-Reply-To: <20071123100118.ada140db.wmoran@potentialtech.com> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 Thread-Index: Acgt4b9GVSr8tUr6ThOxbURljsfvKwAALxAg Message-Id: <20071123150554.5EE5A28740@smtp.proximedia.com> Subject: RE: RAID1 synchronisation - howto OR not necessary? 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: Fri, 23 Nov 2007 15:06:06 -0000 > -----Original Message----- > From: Bill Moran [mailto:wmoran@potentialtech.com] > Sent: Friday, November 23, 2007 4:01 PM > To: Jan Catrysse > Cc: freebsd-questions@freebsd.org > Subject: Re: RAID1 synchronisation - howto OR not necessary? > > "Jan Catrysse" wrote: > > > > I didn't dig in GEOM because I wondered what happens if the primary > > disk fails when two disks are in a RAID1 config? > > There is no "primary" disk in a GEOM RAID1. If the BIOS has > a concept of "primary" disk, then it's a BIOS issue and the > answer will depend on the BIOS. I will take a look at GEOM. Hopefully I have some feedback on my new post, to be sure I've changed synchronization by verification this time :-) Regs, Jan