From owner-freebsd-fs@FreeBSD.ORG Fri May 4 02:32:47 2012 Return-Path: Delivered-To: fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 422EB106566B for ; Fri, 4 May 2012 02:32:47 +0000 (UTC) (envelope-from sukenwoo@gmail.com) Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 0248A8FC08 for ; Fri, 4 May 2012 02:32:46 +0000 (UTC) Received: by obcni5 with SMTP id ni5so4210384obc.13 for ; Thu, 03 May 2012 19:32:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=aC2hgDiDjBuJXOMFvow4yzIxGeCdPLY/x/DT++TWuqk=; b=y/27JoX+z62dHWUEAbKTq7OFM8zVCkupN1BUmCK0d7UvGk5i7yOfzz0rYTspREP8Q3 wT7u28AHSsDCqpSI5FxPQipRr7Bbi8M+FzfbON9WlHYVNvzXoONb5Lc7cjyfdS9wKM8x 8ZL4ibG2IKoqC3ZA7+AzLX4AIviw05Bc6XK+xkPQriDJ+WPSVSsi95HQ/3bgWkITNuKw 6FpzpgXnfu9Ao5+ltWcH4wkdpklWsAjviYVUTCrIKE6cJ6IO9OdnpSvmFix4UcKl/oy5 QiXXHsVCdy88XUuYiNIzkNGPgK2v4QxmKCm/ftzxuIzJbeGazFz4zOiAmzDVm5Tg37/v hagA== MIME-Version: 1.0 Received: by 10.182.44.74 with SMTP id c10mr5765668obm.43.1336098766234; Thu, 03 May 2012 19:32:46 -0700 (PDT) Received: by 10.182.49.71 with HTTP; Thu, 3 May 2012 19:32:46 -0700 (PDT) In-Reply-To: References: <4fa128a8.9089e50a.12cb.ffff8b5eSMTPIN_ADDED@mx.google.com> Date: Fri, 4 May 2012 10:32:46 +0800 Message-ID: From: suken woo To: Simon , peter.maloney@brockmann-consult.de Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: "fs@freebsd.org" Subject: Re: urgent system suddenly boot failed due to ZFS:i/o error on FreeBSD 8.2 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: Fri, 04 May 2012 02:32:47 -0000 Peter, in my situation, my zpool created under a RAID5 disk array controller mfid0 and without spare disk settings. Is't the disk fault issue?and how to resolve? thanks >This happened to me when my root pool had an active hot spare. I later >tested it on a virtual machine, and even with non-spare disks added, the >system did the same thing. >Here is my PR: >http://www.freebsd.org/cgi/query-pr.cgi?pr=167065 >kern/167065 >My solution was to boot on a DVD, and then "zpool detach" the bad disk >(which converted the spare to a normal mirror). >On 05/02/2012 02:03 PM, suken woo wrote: > hi,lists > for some reasons I need restart system but it suddenly boot failed today. > here is the error: > ZFS: i/o error - all block copies unavailable > ZFS: can't read object set for dataset 16 > Can't find root filesystem - giving up > ZFS:unexcepted object set type 0 > ZFS:unexcepted object set type 0 > > FreeBSD/i386 boot > Default: zroot:/boot/kernel/kernel > boot: > ZFS:unexcepted object set type0 > > FreeBSD/i386 boot > Default: zroot:/boot/kernel/kernel > boot: _ > > any ideas to resolved it? > thanks in advance > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" -- -------------------------------------------- Peter Maloney Brockmann Consult Max-Planck-Str. 2 21502 Geesthacht Germany Tel: +49 4152 889 300 Fax: +49 4152 889 333 E-mail: peter.maloney@brockmann-consult.de Internet: http://www.brockmann-consult.de --------------------------------------------