From owner-freebsd-stable@FreeBSD.ORG Mon Feb 15 18:12:58 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 BC34E1065672 for ; Mon, 15 Feb 2010 18:12:58 +0000 (UTC) (envelope-from marck@rinet.ru) Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68]) by mx1.freebsd.org (Postfix) with ESMTP id 423FF8FC1B for ; Mon, 15 Feb 2010 18:12:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by woozle.rinet.ru (8.14.4/8.14.4) with ESMTP id o1FICusT014243; Mon, 15 Feb 2010 21:12:56 +0300 (MSK) (envelope-from marck@rinet.ru) Date: Mon, 15 Feb 2010 21:12:56 +0300 (MSK) From: Dmitry Morozovsky To: Artem Belevich In-Reply-To: Message-ID: References: <20100215090756.GA54764@icarus.home.lan> <20100215105000.101326yj01j0f64g@webmail.leidinger.net> <20100215122744.GA57382@icarus.home.lan> <20100215161105.14071eiflhc9le68@webmail.leidinger.net> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) X-NCC-RegID: ru.rinet X-OpenPGP-Key-ID: 6B691B03 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (woozle.rinet.ru [0.0.0.0]); Mon, 15 Feb 2010 21:12:56 +0300 (MSK) Cc: Alexander Leidinger , freebsd-stable@freebsd.org, Jeremy Chadwick Subject: Re: hardware for home use large storage 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: Mon, 15 Feb 2010 18:12:58 -0000 On Mon, 15 Feb 2010, Artem Belevich wrote: AB> It used to be that vm.kmem_size_max needed to be bumped to allow for AB> larger vm.kmem_size. It's no longer needed on amd64. Not sure about AB> i386. AB> AB> vm.kmem_size still needs tuning, though. While vm.kmem_size_max is no AB> longer a limit, there are other checks in place that result in default AB> vm.kmem_size being a bit on the conservative side for ZFS. it seems so at least: on a machine with 8G RAM kmem_size is set to 2G, from which 1.5G is allocated for arc_max. I'll try to increase them to 4G / 3G and test whether machine is stable... -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------