From owner-freebsd-current@FreeBSD.ORG Mon Dec 3 14:53:48 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4925716A417 for ; Mon, 3 Dec 2007 14:53:48 +0000 (UTC) (envelope-from m.rebele@web.de) Received: from fmmailgate02.web.de (fmmailgate02.web.de [217.72.192.227]) by mx1.freebsd.org (Postfix) with ESMTP id 0B45B13C461 for ; Mon, 3 Dec 2007 14:53:47 +0000 (UTC) (envelope-from m.rebele@web.de) Received: from smtp05.web.de (fmsmtp05.dlan.cinetic.de [172.20.4.166]) by fmmailgate02.web.de (Postfix) with ESMTP id C0B75B6073A9 for ; Mon, 3 Dec 2007 15:53:46 +0100 (CET) Received: from [194.94.240.61] (helo=[10.100.2.35]) by smtp05.web.de with asmtp (TLSv1:AES256-SHA:256) (WEB.DE 4.108 #208) id 1IzCg6-0003rE-00 for freebsd-current@freebsd.org; Mon, 03 Dec 2007 15:53:46 +0100 Message-ID: <47541864.8050306@web.de> Date: Mon, 03 Dec 2007 15:53:24 +0100 From: Michael Rebele User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <475039D5.4020204@web.de> <8e10486b0711300910n208e6729kf108e7a79c8e326e@mail.gmail.com> In-Reply-To: <8e10486b0711300910n208e6729kf108e7a79c8e326e@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: m.rebele@web.de X-Sender: m.rebele@web.de X-Provags-ID: V01U2FsdGVkX18XsV+IeXp4jsgbRTzaOssieBQyrT5JF7x44ctt Hj4xZsIEZ4wq5ESxlJ1SANtnNL3/m6dv7Z/jZx4TYl/3BzVh72 9vHuqkJNE= Subject: Re: 7.0-Beta 3: zfs makes system reboot X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: m.rebele@web.de List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Dec 2007 14:53:48 -0000 Alexandre Biancalana wrote: > On Nov 30, 2007 2:27 PM, Michael Rebele wrote: >> 4. The applied kernel settings >> kern.maxvnodes="400000" >> vm.kmem_size_max="512M" >> vm.kmem_size="512M" >> >> 5. Output from zpool >> [root@zfs /root]# zpool status >> pool: tank >> state: ONLINE >> scrub: none requested >> config: >> >> NAME STATE READ WRITE CKSUM >> tank ONLINE 0 0 0 >> ad4s1g ONLINE 0 0 0 >> >> errors: No known data errors >> >> Can anyone confirm the issue? Any solutions around? >> > > Have you tried this patch > http://people.freebsd.org/~pjd/patches/vm_kern.c.2.patch ? Hmm, the patch is from Oct, 6. The Beta 3 came more than 4 weeks later. Why isn't it already applied? Are the any drawbacks with other Kernel-Parts? The other thing, that makes me a bit confused is the need of twiddling around with Kernel-Memory parameters. Maybe, the default values of 384MB seem to be a bit less as ZFS does a lot of caching in RAM. But, why breaks this up the system? Less memory may lead to a performance penalty (even to very low values) but should never made the system reboot or make it halt with a "kmem_map too small"-Message - or am i wrong? But we're in the experimental phase - so, I'll apply the mentioned patch and test it again. Thanks. Michael -- Die Erde ist die Irrenanstalt des Universums. Public Key: http://sks.keyserver.penguin.de:11371/pks/lookup?op=get&search=0x5D0A2BC3CEB 3F472