From owner-freebsd-current@FreeBSD.ORG Wed Feb 17 18:45:49 2010 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 AE08A10656A5 for ; Wed, 17 Feb 2010 18:45:49 +0000 (UTC) (envelope-from behrnetworks@gmail.com) Received: from mail-fx0-f226.google.com (mail-fx0-f226.google.com [209.85.220.226]) by mx1.freebsd.org (Postfix) with ESMTP id 4092E8FC1F for ; Wed, 17 Feb 2010 18:45:48 +0000 (UTC) Received: by fxm26 with SMTP id 26so7547550fxm.13 for ; Wed, 17 Feb 2010 10:45:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=SNB5gnkIWZeZgkmGtFJ+Uc05F/ZRuKghKVyzCtNz3y0=; b=hw56xKDvz1fNw4DP51ZkzQ+lKq9o8dk6RWzqt6HoVTxmpBd9IQYkYqJCbdsZvNerPe AnSgt+YvuPPK3/9GhfUr/IoUMiFzs0+aSFmJMHzSwKMCheFQP+mhxMrFQTGp0GMA+uP1 uvD+3Z+G0pDSs0KJn0BboQa4MOUd4WPBFrWLs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=Y+gYRfL91CJwXjPgipXIr6BXi8UtW3D/OCig11tkpIixlbUQ0puUjh50mpwygye/7c TOzXjZMBv102Hby78Itz5H+t87Oyzypds44XSiHDFM5biHqOlk9XwDc/Zx+l1xozMHF0 WMuJeizDggKO6q+DpcypGwqB0FnI9MdS3bbbQ= MIME-Version: 1.0 Received: by 10.204.20.80 with SMTP id e16mr2232788bkb.72.1266432348020; Wed, 17 Feb 2010 10:45:48 -0800 (PST) In-Reply-To: <201002171840.41088.ken@mthelicon.com> References: <64aa03031002161803h667734cal4d668b9eb9c0a1a8@mail.gmail.com> <790a9fff1002161842g17de8ecfvf2cfa8c77f03c32@mail.gmail.com> <64aa03031002161849s7b66b9e3l727aafd2afd3d596@mail.gmail.com> <201002171840.41088.ken@mthelicon.com> Date: Wed, 17 Feb 2010 13:45:47 -0500 Message-ID: <64aa03031002171045k5251d0b2q34fb833d7e39566a@mail.gmail.com> From: Chris To: Pegasus Mc Cleaft Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Scot Hetzel , freebsd-current@freebsd.org Subject: Re: Seeing the dreaded "ZFS: i/o error - all block copies unavailable" on 9.0-CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Feb 2010 18:45:49 -0000 Pegasus, Thanks for the tip. I'll give it a shot. If it is the case, then the RootOnZFS wiki guides need to be updated to account for that. They all currently say to use vfs.root.mountfrom=3D"zfs:zroot" in loader.conf Thanks, Chris On Wed, Feb 17, 2010 at 1:40 PM, Pegasus Mc Cleaft wrot= e: > Hello Chris, Scott & Current > > =A0 =A0 =A0 =A0I use gptzfsboot on my AMD64 (current) machine all the tim= e and also on > my laptop. I am not sure if this will cause the problem you are seeing bu= t I > know I ran into a lot of trouble depending on what type of pool I was > creating. > > =A0 =A0 =A0 =A0I believe this is correct, and if I am not than I apologis= e in advance, > but.... > > =A0 =A0 =A0 =A0If you are trying to boot off a linear type pool (A single= disk or a > mirror) your bootable filing system has to be a zfs filing system beneath= the > root pool (IE: zroot/boot). If you are trying to boot off a zraid pool, y= our > bootable filing system must be the root filing system of the pool (IE: zr= oot) > > =A0 =A0 =A0 =A0You must also include the appropriate declaration in the > /boot/loader.conf file: > > (for a zraid pool) > zfs_load=3D"YES" > vfs.root.mountfrom=3D"zfs:zpool" > > (for a linear type) > zfs_load=3D"YES" > vfs.root.mountfrom=3D"zfs:zpool/root" > > =A0 =A0 =A0 =A0If I try any other method, zboot explodes in a myriad of d= ifferent ways. > > I hope this helps > Peg > > > On Wednesday 17 February 2010 02:49:56 Chris wrote: >> Scot, >> >> I did, as part of step 7 in section 1: >> >> 7. Create ZFS Pool zroot >> >> =A0Fixit# mkdir /boot/zfs >> =A0Fixit# zpool create zroot /dev/gpt/disk0 >> =A0Fixit# zpool set bootfs=3Dzroot zroot >