From owner-freebsd-stable@FreeBSD.ORG Sat Nov 21 00:47:58 2009 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 E55A71065679; Sat, 21 Nov 2009 00:47:58 +0000 (UTC) (envelope-from randy@psg.com) Received: from ran.psg.com (ran.psg.com [IPv6:2001:418:1::36]) by mx1.freebsd.org (Postfix) with ESMTP id C4B1C8FC13; Sat, 21 Nov 2009 00:47:58 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=rmac.psg.com) by ran.psg.com with esmtp (Exim 4.69 (FreeBSD)) (envelope-from ) id 1NBe8r-0007LP-Q8; Sat, 21 Nov 2009 00:47:57 +0000 Received: from host-40-47.meeting.ietf.org.psg.com (localhost [127.0.0.1]) by rmac.psg.com (Postfix) with ESMTP id 2FAC82C273AD; Sat, 21 Nov 2009 09:47:57 +0900 (JST) Date: Sat, 21 Nov 2009 09:47:56 +0900 Message-ID: From: Randy Bush To: Stefan Esser In-Reply-To: <4B066B13.1070006@freebsd.org> References: <4B066B13.1070006@freebsd.org> User-Agent: Wanderlust/2.15.5 (Almost Unreal) Emacs/22.3 Mule/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: FreeBSD-STABLE Mailing List Subject: Re: 7.2 dies in zfs 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: Sat, 21 Nov 2009 00:47:59 -0000 > vm.kmem_size=1500M > vm.kmem_size_max=2G i am trying this with some success. let's see how the day goes. > BTW: I use auto-tuning of the ARC cache size: > vfs.zfs.arc_min: 122880000 > vfs.zfs.arc_max: 983040000 how the hell is a sysadmin supposed to guess all this ? if the freebsd sysadmin needs to comb through 42 threads on the MLs, read wikis with no clear "do this," and play with trial and error, this stuff is just not going to fly. imiho, zfs can not be called production ready if it crashes if you do not stand on your left leg, put your right hand in the air, and burn some eye of newt. randy