From owner-freebsd-fs@FreeBSD.ORG Thu Sep 1 06:37:32 2011 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 85BFA106564A for ; Thu, 1 Sep 2011 06:37:32 +0000 (UTC) (envelope-from dan@3geeks.org) Received: from mail-yx0-f182.google.com (mail-yx0-f182.google.com [209.85.213.182]) by mx1.freebsd.org (Postfix) with ESMTP id 4A6B48FC0C for ; Thu, 1 Sep 2011 06:37:31 +0000 (UTC) Received: by yxn22 with SMTP id 22so195226yxn.13 for ; Wed, 31 Aug 2011 23:37:31 -0700 (PDT) Received: by 10.236.155.198 with SMTP id j46mr7014576yhk.23.1314857488130; Wed, 31 Aug 2011 23:11:28 -0700 (PDT) Received: from [172.16.1.35] (99-126-192-237.lightspeed.austtx.sbcglobal.net [99.126.192.237]) by mx.google.com with ESMTPS id a29sm453578yhj.45.2011.08.31.23.11.26 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 31 Aug 2011 23:11:27 -0700 (PDT) From: Daniel Mayfield Date: Thu, 1 Sep 2011 01:11:25 -0500 Message-Id: To: freebsd-fs@freebsd.org Mime-Version: 1.0 (Apple Message framework v1084) X-Mailer: Apple Mail (2.1084) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: gptzfsboot and 4k sector raidz 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: Thu, 01 Sep 2011 06:37:32 -0000 I just set this up on an Athlon64 machine I have w/ 4 WD EARS 2TB disks. = I followed the instructions here: = http://www.leidinger.net/blog/2011/05/03/another-root-on-zfs-howto-optimiz= ed-for-4k-sector-drives/, but just building a single pool so three = partitions per disk (boot, swap and zfs). I'm using the mfsBSD image to = do the boot code. When I reboot to actually come up from ZFS, the = loader spins for half a second and then the machine reboots. I've seen = a number of bug reports on gptzfsboot and 4k sector pools, but I never = saw one fail so early. What data would the ZFS people need to help fix = this? daniel=