From owner-freebsd-stable@FreeBSD.ORG Thu Jun 2 22:43:43 2011 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 002171065672 for ; Thu, 2 Jun 2011 22:43:42 +0000 (UTC) (envelope-from torfinn.ingolfsen@broadpark.no) Received: from thalia-smout.broadpark.no (thalia-smout.broadpark.no [80.202.8.21]) by mx1.freebsd.org (Postfix) with ESMTP id AE4C68FC1B for ; Thu, 2 Jun 2011 22:43:42 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII Received: from ignis-smin.broadpark.no ([80.202.8.11]) by thalia-smout.broadpark.no (Sun Java(tm) System Messaging Server 7u3-15.01 64bit (built Feb 12 2010)) with ESMTP id <0LM600AEKPSTWR40@thalia-smout.broadpark.no> for freebsd-stable@freebsd.org; Fri, 03 Jun 2011 00:43:41 +0200 (CEST) Received: from kg-v2.kg4.no ([84.48.120.215]) by ignis-smin.broadpark.no (Sun Java(tm) System Messaging Server 7u3-15.01 64bit (built Feb 12 2010)) with SMTP id <0LM60085IPSTZS50@ignis-smin.broadpark.no> for freebsd-stable@freebsd.org; Fri, 03 Jun 2011 00:43:41 +0200 (CEST) Date: Fri, 03 Jun 2011 00:43:41 +0200 From: Torfinn Ingolfsen To: freebsd-stable@freebsd.org Message-id: <20110603004341.36700cca.torfinn.ingolfsen@broadpark.no> In-reply-to: References: <20110602213116.425400b6.torfinn.ingolfsen@broadpark.no> X-Mailer: Sylpheed 3.1.0 (GTK+ 2.22.1; amd64-portbld-freebsd8.1) X-Face: "t9w2,-X@O^I`jVW\sonI3.,36KBLZE*AL[y9lL[PyFD*r_S:dIL9c[8Y>V42R0"!"yb_zN,f#%.[PYYNq; m"_0v; ~rUM2Yy!zmkh)3&U|u!=T(zyv,MHJv"nDH>OJ`t(@mil461d_B'Uo|'nMwlKe0Mv=kvV?Nh@>Hb<3s_z2jYgZhPb@?Wi^x1a~Hplz1.zH Subject: Re: Fileserver panic - FreeBSD 8.1-stable and 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: Thu, 02 Jun 2011 22:43:43 -0000 On Thu, 02 Jun 2011 12:44:49 -0700 Artem Belevich wrote: > It's probably one of the most frequently reported issues with ZFS. > While things got quite a bit better lately, you still need to bump up > kernel VM size with vm.kmem_size tunable. I typically set vm.kmem_size > tunable to ~2x physical memory size. Mine is currently untuned: root@kg-f2# sysctl vm.kmem_size vm.kmem_size: 1331953664 I guess I have been lucky; the server has been stable for a long time now. > In general you may want to update to the latest -stable. There were a > lot of ZFS fixes committed. Yes, perhaps now is a good time to do so. I have held back on updates on this machine, to find out if zfs was stable. And I think it has been, for me at least. -- Torfinn