From owner-freebsd-stable@FreeBSD.ORG Thu Apr 22 10:35:05 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 905A71065678 for ; Thu, 22 Apr 2010 10:35:05 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta01.emeryville.ca.mail.comcast.net (qmta01.emeryville.ca.mail.comcast.net [76.96.30.16]) by mx1.freebsd.org (Postfix) with ESMTP id 787428FC0A for ; Thu, 22 Apr 2010 10:35:05 +0000 (UTC) Received: from omta05.emeryville.ca.mail.comcast.net ([76.96.30.43]) by qmta01.emeryville.ca.mail.comcast.net with comcast id 8aMT1e0060vp7WLA1ab5um; Thu, 22 Apr 2010 10:35:05 +0000 Received: from koitsu.dyndns.org ([98.248.46.159]) by omta05.emeryville.ca.mail.comcast.net with comcast id 8ab41e0033S48mS8Rab56G; Thu, 22 Apr 2010 10:35:05 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 0769A9B419; Thu, 22 Apr 2010 03:17:12 -0700 (PDT) Date: Thu, 22 Apr 2010 03:17:12 -0700 From: Jeremy Chadwick To: Jordi Espasa Clofent Message-ID: <20100422101711.GA54482@icarus.home.lan> References: <4BCFF881.9000809@minibofh.org> <20100422085954.GA10035@duncan.reilly.home> <4BD0134D.1060305@minibofh.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4BD0134D.1060305@minibofh.org> User-Agent: Mutt/1.5.20 (2009-06-14) Cc: freebsd-stable@freebsd.org Subject: Re: gmirror(8) rebuild speed X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Apr 2010 10:35:05 -0000 On Thu, Apr 22, 2010 at 11:13:49AM +0200, Jordi Espasa Clofent wrote: > >To make it slower, I assume? When is that a good idea? > > It depends on what status your server are. > For example: > > - if I've a fsck in background so the I/O is high, maybe I want to > make it slower > - If the box is completey unloaded maybe I want to make it quicker RELENG_8 just had the GEOM scheduler code committed to it, which might be able to provide what the OP is wanting. Commits: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/geom/sched/ README itself: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/geom/sched/README?rev=1.1.2.2;content-type=text%2Fplain -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |