From owner-freebsd-stable@FreeBSD.ORG Tue Apr 22 00:54:09 2008 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 71A71106566B for ; Tue, 22 Apr 2008 00:54:09 +0000 (UTC) (envelope-from emikulic@gmail.com) Received: from ipmail01.adl6.internode.on.net (ipmail01.adl6.internode.on.net [203.16.214.146]) by mx1.freebsd.org (Postfix) with ESMTP id 0C2DA8FC0A for ; Tue, 22 Apr 2008 00:54:08 +0000 (UTC) (envelope-from emikulic@gmail.com) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApsEAILQDEiWZaK6/2dsb2JhbACKb6Ah X-IronPort-AV: E=Sophos;i="4.25,691,1199626200"; d="scan'208";a="86591425" Received: from ppp162-186.static.internode.on.net ([150.101.162.186]) by ipmail01.adl6.internode.on.net with ESMTP; 22 Apr 2008 10:07:58 +0930 Received: by ppp162-186.static.internode.on.net (Poofix, from userid 1001) id A98204097; Tue, 22 Apr 2008 10:37:56 +1000 (EST) Date: Tue, 22 Apr 2008 10:37:56 +1000 From: Emil Mikulic To: Steven Schlansker Message-ID: <20080422003756.GA15927@dmr.ath.cx> References: <396418019.20080409104542@serebryakov.spb.ru> <47FCBAFB.9060508@tzim.net> <4956a5e50804191912g52833c35q868827dc2b54e5ae@mail.gmail.com> <480AE7AA.5090204@tzim.net> <480B9373.50603@quip.cz> <480CF344.8020906@berkeley.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <480CF344.8020906@berkeley.edu> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: freebsd-stable@freebsd.org Subject: Re: [SO]HO Software RAID5 server: which implementation should I choice? 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: Tue, 22 Apr 2008 00:54:09 -0000 On Mon, Apr 21, 2008 at 01:04:20PM -0700, Steven Schlansker wrote: > I'm also running ZFS and wanted to share my experiences. It doesn't > cope well with low-memory environments, but I've successfully run with > 2GB ram and 3TB disk with no problems on both i386 and amd64. amd64 > needs a little bit of tuning - increasing kmem and whatnot (well > documented, not very difficult/stressful) Since pjd's nokva commit, I have had zero panics on amd64, with no tuning whatsoever. http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/vm/vm_kern.c.diff?r1=1.130;r2=1.131