From owner-freebsd-current@FreeBSD.ORG Tue Apr 10 03:07:15 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BED0316A400 for ; Tue, 10 Apr 2007 03:07:15 +0000 (UTC) (envelope-from djp@polands.org) Received: from ms-smtp-04.rdc-kc.rr.com (ms-smtp-04.rdc-kc.rr.com [24.94.166.116]) by mx1.freebsd.org (Postfix) with ESMTP id 8A48113C4AE for ; Tue, 10 Apr 2007 03:07:15 +0000 (UTC) (envelope-from djp@polands.org) Received: from corinth.polands.org (CPE-75-87-219-217.new.res.rr.com [75.87.219.217]) by ms-smtp-04.rdc-kc.rr.com (8.13.6/8.13.6) with ESMTP id l3A37C6x005817; Mon, 9 Apr 2007 22:07:13 -0500 (CDT) Received: from jericho.polands.org (jericho.polands.org [172.16.1.33]) by corinth.polands.org (8.13.8/8.13.8) with ESMTP id l3A37CTl026179; Mon, 9 Apr 2007 22:07:12 -0500 (CDT) (envelope-from djp@polands.org) Received: from jericho.polands.org (localhost [127.0.0.1]) by jericho.polands.org (8.13.8/8.13.8) with ESMTP id l3A37Ct1094083; Mon, 9 Apr 2007 22:07:12 -0500 (CDT) (envelope-from djp@jericho.polands.org) Received: (from djp@localhost) by jericho.polands.org (8.13.8/8.13.8/Submit) id l3A37CgU094082; Mon, 9 Apr 2007 22:07:12 -0500 (CDT) (envelope-from djp) Date: Mon, 9 Apr 2007 22:07:12 -0500 From: Doug Poland To: Kris Kennaway Message-ID: <20070410030712.GB94010@polands.org> References: <20070409232654.GA93109@polands.org> <20070410010532.GA38535@xor.obsecurity.org> <20070410025020.GA94010@polands.org> <20070410025855.GA39926@xor.obsecurity.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070410025855.GA39926@xor.obsecurity.org> User-Agent: Mutt/1.5.14 (2007-02-12) X-Virus-Scanned: Symantec AntiVirus Scan Engine X-Virus-Scanned: ClamAV 0.88.4/3058/Mon Apr 9 14:45:50 2007 on corinth.polands.org X-Virus-Status: Clean Cc: Doug Poland , freebsd-current@freebsd.org Subject: Re: new ZFS sysctls not working? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Apr 2007 03:07:15 -0000 On Mon, Apr 09, 2007 at 10:58:55PM -0400, Kris Kennaway wrote: > On Mon, Apr 09, 2007 at 09:50:20PM -0500, Doug Poland wrote: > > On Mon, Apr 09, 2007 at 09:05:32PM -0400, Kris Kennaway wrote: > > > On Mon, Apr 09, 2007 at 06:26:54PM -0500, Doug Poland wrote: > > > > Hello, > > > > > > > > It would appear that the new sysctls for ZFS > > > > (vfs.zfs.arc_max/min) are not "taking". i.e., > > > > > > > > # cat /boot/loader.conf > > > > vfs.zfs.arc_max=134217728 > > > > vfs.zfs.arc_min=134217728 > > > > > > > > # sysctl -a | grep vfs.zfs.arc > > > > vfs.zfs.arc_max: 67108864 > > > > vfs.zfs.arc_min: 67108864 > > > > > > > > This is after a fresh cvsup run today around 10:00 CDT. > > > > > > Please provide more details of your system, e.g. sysctl > > > vm.kmem_size. > > > > > FreeBSD 7.0-CURRENT #0: Mon Apr 9 12:55:54 CDT 2007 > > djp@seth.polands.org:/usr/obj/usr/src/sys/GENERIC > > WARNING: WITNESS option enabled, expect reduced performance. > > Timecounter "i8254" frequency 1193182 Hz quality 0 > > CPU: AMD Athlon(tm) processor (1403.19-MHz 686-class CPU) > > Origin = "AuthenticAMD" Id = 0x644 Stepping = 4 > > Features=0x183f9ff > > AMD Features=0xc0440800,MMX+,3DNow!+,3DNow!> > > real memory = 259981312 (247 MB) > > avail memory = 240451584 (229 MB) > > > > # sysctl -a | grep vm.kmem_size > > vm.kmem_size: 80662528 > > vm.kmem_size_max: 335544320 > > vm.kmem_size_scale: 3 > > Yeah, you don't even have 128 MB of kmem available (only 76 MB), so > it's no surprise zfs refused to use that much ;-) > I was attempting to "portsnap extract" to a two disk ZFS mirror. It would appear my ability to test ZFS is severly limited on this particular hardware configuration. Sorry for the noise... -- Regards, Doug