From owner-freebsd-fs@FreeBSD.ORG Wed May 5 09:14:10 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id ABBE8106564A; Wed, 5 May 2010 09:14:10 +0000 (UTC) (envelope-from auryn@zirakzigil.org) Received: from mail.zirakzigil.org (mail.zirakzigil.org [82.63.178.63]) by mx1.freebsd.org (Postfix) with ESMTP id 1CCCF8FC08; Wed, 5 May 2010 09:14:09 +0000 (UTC) Received: from localhost (unknown [192.168.1.2]) by mail.zirakzigil.org (Postfix) with ESMTP id 25C9096ABD; Wed, 5 May 2010 11:14:09 +0200 (CEST) X-Virus-Scanned: amavisd-new at zirakzigil.org Received: from mail.zirakzigil.org ([192.168.1.2]) by localhost (ext.zirakzigil.org [192.168.1.2]) (amavisd-new, port 10024) with ESMTP id ZuP0nMVb+KUZ; Wed, 5 May 2010 11:14:06 +0200 (CEST) Received: from aurynmob2.giulioferro.it (unknown [192.168.1.2]) (Authenticated sender: auryn@zirakzigil.org) by mail.zirakzigil.org (Postfix) with ESMTPA id 0D03996AAF; Wed, 5 May 2010 11:14:06 +0200 (CEST) Message-ID: <4BE136DE.5010904@zirakzigil.org> Date: Wed, 05 May 2010 11:14:06 +0200 From: Giulio Ferro User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.7) Gecko/20100223 Thunderbird/3.0.1 MIME-Version: 1.0 To: Simun Mikecin References: <4BDEA86E.3050109@zirakzigil.org> <20100503110100.GA93137@icarus.home.lan> <4BDEC106.3040807@zirakzigil.org> <4BE110E3.8040902@zirakzigil.org> <20100505075242.GA57550@icarus.home.lan> <4BE13067.1060606@zirakzigil.org> <483679.65695.qm@web112403.mail.gq1.yahoo.com> In-Reply-To: <483679.65695.qm@web112403.mail.gq1.yahoo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Freebsd 8.0 kmem map too small X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 May 2010 09:14:10 -0000 On 05.05.2010 11:11, Simun Mikecin wrote: > ----- Original Message ---- > >>> I'm really astounded at how unstable zfs is, it's >>> >> causing me a lot >> >>> of problem. >>> >>> Why isn't it >>> >> stated in the handbook that zfs isn't up to production yet? >> >>> >>> >> Why people responsible for ZFS on >> freebsd aren't saying anything? What's the status of this issue? Is someone >> working on this??? >> > > How much RAM do you have? Are you using i386 or amd64? Have you tried removing all zfs and kmem sysctl's so the system uses default values? > > This is the first post of the current thread: it should tell you everything -------------------------------------------------------------------- NFS server amd64 Freebsd 8.0 recent (2 days ago) This server has been running for several months without problems. Beginning last week, however, I'm experiencing panics (about 1 per day) with the error in the subject Current settings: vm.kmem_size_scale: 3 vm.kmem_size_max: 329853485875 vm.kmem_size_min: 0 vm.kmem_size: 2764046336 ... hw.physmem: 8568225792 hw.usermem: 6117404672 hw.realmem: 9395240960 ... vfs.zfs.l2arc_noprefetch: 0 vfs.zfs.l2arc_feed_secs_shift: 1 vfs.zfs.l2arc_feed_secs: 1 vfs.zfs.l2arc_headroom: 128 vfs.zfs.l2arc_write_boost: 67108864 vfs.zfs.l2arc_write_max: 67108864 vfs.zfs.arc_meta_limit: 431882240 vfs.zfs.arc_meta_used: 431874720 vfs.zfs.arc_min: 215941120 vfs.zfs.arc_max: 1727528960 I've set nothing in either /boot/loader.conf or sysctl.conf What should I do? --------------------------------------------------------------------