From owner-freebsd-fs@FreeBSD.ORG Wed Nov 18 16:11:21 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 63614106568B; Wed, 18 Nov 2009 16:11:21 +0000 (UTC) (envelope-from ambsd@raisa.eu.org) Received: from raisa.eu.org (raisa.eu.org [83.17.178.202]) by mx1.freebsd.org (Postfix) with ESMTP id 037388FC12; Wed, 18 Nov 2009 16:11:20 +0000 (UTC) Received: from am-laptop.local.org (gpx218.internetdsl.tpnet.pl [83.3.153.218]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by raisa.eu.org (Postfix) with ESMTP id 1A0EF244; Wed, 18 Nov 2009 17:15:24 +0100 (CET) Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes To: "Robert Noland" References: <1258390784.2303.42.camel@balrog.2hip.net> <1258497221.2303.66.camel@balrog.2hip.net> <1258552247.2303.75.camel@balrog.2hip.net> Date: Wed, 18 Nov 2009 17:11:14 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Emil Smolenski" Organization: Cadera Sp. z o.o. Message-ID: In-Reply-To: <1258552247.2303.75.camel@balrog.2hip.net> User-Agent: Opera Mail/10.01 (FreeBSD) Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: Boot with ZFS on single disk: "ZFS: i/o error - all block copies unavailable" [was: Re: GPT boot with ZFS RAIDZ "ZFS: i/o error - all block copies unavailable"] 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, 18 Nov 2009 16:11:21 -0000 On Wed, 18 Nov 2009 14:50:47 +0100, Robert Noland wrote: >> >> Should I file a PR? I would >> >> like to help in debugging it (however my skills in low-level C aren't >> >> strong enough to do it on my own). >> > Ok, the first thing I would like to see is "zdb -uuu". >> # zdb -uuu pgpool >> Segmentation fault: 11 (core dumped) > Ok, this is disturbing... It works fine for me on -CURRENT / amd64 and > reports the root block pointer, which is what we need to locate the MOS. Booting from 8.0-*-amd64-memstick.img (Fixit# console) makes "zdb -uuu" happy: Fixit# zdb -uuu pgpool Uberblock magic = 0000000000bab10c version = 13 txg = 443448 guid_sum = 9780688847620645377 timestamp = 1258560175 UTC = Wed Nov 18 16:02:55 2009 rootbp = [L0 DMU objset] 400L/200P DVA[0]=<0:220000de400:200> DVA[1]=<0:2a80008ee00:200> DVA[2]=<0:330000b9000:200> fletcher4 lzjb LE contiguous birth=443448 fill=298 cksum=8a9775385:3935d6d58c7:c028430c00a8:1b58ac4ebf42ac -- am