From owner-freebsd-stable@FreeBSD.ORG Thu Dec 12 14:41:26 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 29EDCD52 for ; Thu, 12 Dec 2013 14:41:26 +0000 (UTC) Received: from mail-ee0-x22b.google.com (mail-ee0-x22b.google.com [IPv6:2a00:1450:4013:c00::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id B2DAD1767 for ; Thu, 12 Dec 2013 14:41:25 +0000 (UTC) Received: by mail-ee0-f43.google.com with SMTP id c13so274920eek.16 for ; Thu, 12 Dec 2013 06:41:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=g5+2hCOb0VUKNhXw5NZvm/4lELgmr6TyXM5ygfIvtGc=; b=kt8JBR8IgwlQ/8wGfiJgIXl1zUMxn64i8hvwwt0Gr0okT6OKmm0yhlPmVymXZMEFa4 vNRY/fH4oOq3eGQVCpUb+WqYEwhhAChYKwelEPndvLNdVyypcRPvnjumtcCl4J7U2cWH 5ekuJyzt7H+/PWs9mFcXbJE6JiJ3gi55T2kuY3IwAp+EU169ErfJtvs+wkQPeROaRSac fq4LwwO8yPU7B/DL3maVXUtS1P7DE19WhEIORSzVYi2JKpcCMUMS2pov1B6YZFa0THcC GAleYBJYB/n1tifXXNfiONNxwW1ng7u8yKvVdFertctKGvy7Rip/Qnb/Fj77nS4/6vH0 ylVg== X-Received: by 10.14.194.1 with SMTP id l1mr8364637een.103.1386859284094; Thu, 12 Dec 2013 06:41:24 -0800 (PST) Received: from [192.168.1.129] (mau.donbass.com. [92.242.127.250]) by mx.google.com with ESMTPSA id g47sm66786525eeo.19.2013.12.12.06.41.22 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 12 Dec 2013 06:41:23 -0800 (PST) Message-ID: <52A9CB11.9040201@gmail.com> Date: Thu, 12 Dec 2013 16:41:21 +0200 From: Volodymyr Kostyrko User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: "Eugene M. Zheganin" , "freebsd-stable@freebsd.org Stable" Subject: Re: zfs i/o error - all block copies unavailable References: <52A8C5AF.1000800@norma.perm.ru> In-Reply-To: <52A8C5AF.1000800@norma.perm.ru> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 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, 12 Dec 2013 14:41:26 -0000 11.12.2013 22:06, Eugene M. Zheganin написав(ла): > Hi. > > I have a server, it was running 8.2-STABLE/i386 with zfs v28. All of a > sudden, on last reboot I got a big bunch of "zfs i/o error - all block > copies unavailable" messages and server was unable to boot. I decided > that one disk is dying, detached it, and booted successfully. On a next > boot I got this again. I booted from CD, replaced a zpool.cache, and > booted successfully once again. On next reboot I got it again, and was > unable to fix it. However (as you may already know) disks were fine, and > all the data wasn't corrupted. Iread a couple of mailing list posts > about this mentioning that this could be an i386 issue, and decided to > deal with in a radical way: I've installed 10.0-BETA1/amd64 (booted from > a LiveCD, mounted an NFS share with /usr/src and obj, and did the > upgrade). Now everything is almost fine, except that I still get this > message, but only once and it seems to be harmless, as the server can > still be booted (I experimented and tried this like a dozen times). > > So, questions: > > - is it really harmless ? Probably not. > - can I run with this ? Probably yes. > - is there any way to get rid of it ? (probably, without recreating a > pool, because it holds several TBytes of user data) Had you updated bootcode after switching to 10.0? Did you issued scrub for your pool at least once? -- Sphinx of black quartz, judge my vow.