From owner-freebsd-fs@FreeBSD.ORG Mon Apr 28 08:31:33 2008 Return-Path: Delivered-To: freebsd-fs@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ECC69106566B; Mon, 28 Apr 2008 08:31:33 +0000 (UTC) (envelope-from jdc@parodius.com) Received: from mx01.sc1.parodius.com (mx01.sc1.parodius.com [72.20.106.3]) by mx1.freebsd.org (Postfix) with ESMTP id CA7EE8FC1B; Mon, 28 Apr 2008 08:31:33 +0000 (UTC) (envelope-from jdc@parodius.com) Received: by mx01.sc1.parodius.com (Postfix, from userid 1000) id B94AB1CC033; Mon, 28 Apr 2008 01:31:33 -0700 (PDT) Date: Mon, 28 Apr 2008 01:31:33 -0700 From: Jeremy Chadwick To: Randy Bush Message-ID: <20080428083133.GA81628@eos.sc1.parodius.com> References: <48142ABE.4050107@psg.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48142ABE.4050107@psg.com> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: freebsd-fs@FreeBSD.ORG, ivoras@freebsd.org Subject: Re: zfs and vfs.zfs.prefetch_disable="1" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Apr 2008 08:31:34 -0000 On Sun, Apr 27, 2008 at 04:26:54PM +0900, Randy Bush wrote: > i have in my incantations for zfs on i386 to stick the following in > /boot/loader.conf.local > > vm.kmem_size=600M > vm.kmem_size_max=600M > zfs_load=YES > vfs.zfs.prefetch_disable=1 > > but i have no idea where that last one crept in. any clues? It probably came from the old version of the "ZFS Tuning Guide" section of the ZFS on FreeBSD Wiki. It was removed on August 30th 2007 by Ivan Voras. http://wiki.freebsd.org/ZFSTuningGuide?action=diff&rev2=12&rev1=11 http://wiki.freebsd.org/ZFSTuningGuide?action=recall&rev=12 http://wiki.freebsd.org/ZFSTuningGuide?action=recall&rev=11 I've CC'd him here. -- | 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 |