From owner-freebsd-questions@FreeBSD.ORG Thu Oct 30 06:08:26 2008 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 ABC431065679 for ; Thu, 30 Oct 2008 06:08:26 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from QMTA05.emeryville.ca.mail.comcast.net (qmta05.emeryville.ca.mail.comcast.net [76.96.30.48]) by mx1.freebsd.org (Postfix) with ESMTP id 437FA8FC18 for ; Thu, 30 Oct 2008 06:08:25 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from OMTA12.emeryville.ca.mail.comcast.net ([76.96.30.44]) by QMTA05.emeryville.ca.mail.comcast.net with comcast id Ytpc1a0010x6nqcA5u8Rug; Thu, 30 Oct 2008 06:08:25 +0000 Received: from koitsu.dyndns.org ([69.181.141.110]) by OMTA12.emeryville.ca.mail.comcast.net with comcast id Yu8Q1a0082P6wsM8Yu8RGN; Thu, 30 Oct 2008 06:08:25 +0000 X-Authority-Analysis: v=1.0 c=1 a=AWlkLcwNO8UA:10 a=mN9y0P9EPBwA:10 a=QycZ5dHgAAAA:8 a=-L-DVQYoh9sNK1RFeFIA:9 a=uXCdZ3vHZfdCuNorVfJV2PT__skA:4 a=EoioJ0NPDVgA:10 a=LY0hPdMaydYA:10 Received: by icarus.home.lan (Postfix, from userid 1000) id A807CC9419; Wed, 29 Oct 2008 23:08:24 -0700 (PDT) Date: Wed, 29 Oct 2008 23:08:24 -0700 From: Jeremy Chadwick To: Carl Message-ID: <20081030060824.GA97010@icarus.home.lan> References: <4904346E.80907@telus.net> <49094E75.7040405@telus.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49094E75.7040405@telus.net> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-questions@freebsd.org Subject: Re: gmirror + subset of partitions gjournal'd, autosync setting? 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: Thu, 30 Oct 2008 06:08:26 -0000 On Wed, Oct 29, 2008 at 11:04:37PM -0700, Carl wrote: > Carl wrote: >> I've built a GEOM mirror on a single slice of a single disk and am >> about to insert the second disk. Of the partitions in the mirror, I >> made only a few of them gjournal'd. I've seen it recommended that one >> disable autosynchronization for the mirror if using journaled >> filesystems. >> >> 1. Is that recommendation a must or a nice-to-have? What are the actual >> consequences of not taking that advice? >> >> 2. In a case like mine, the non-journaled partitions need >> autosychronization enabled to benefit from being mirrored, right? >> >> 3. Exactly how would I disable autosynchronization for the journaled >> partitions in the mirror, but not for the rest? > > Can no one help me with this question? Are you aware of the freebsd-fs list? freebsd-questions is mainly for generic "How do I use ls(1)?" questions. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |