From owner-freebsd-fs@FreeBSD.ORG Wed Jan 8 21:18:35 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C1615CCD; Wed, 8 Jan 2014 21:18:35 +0000 (UTC) Received: from mx1.fisglobal.com (mx1.fisglobal.com [199.200.24.190]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 8B98312F2; Wed, 8 Jan 2014 21:18:35 +0000 (UTC) Received: from smarthost.fisglobal.com ([10.132.206.191]) by ltcfislmsgpa01.fnfis.com (8.14.5/8.14.5) with ESMTP id s08LIU9a027604 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 8 Jan 2014 15:18:30 -0600 Received: from THEMADHATTER (10.242.181.54) by smarthost.fisglobal.com (10.132.206.191) with Microsoft SMTP Server id 14.3.174.1; Wed, 8 Jan 2014 15:18:28 -0600 From: Sender: Devin Teske To: "'Darren Pilgrim'" , "'freebsd-fs'" , "'freebsd-questions'" References: <52C89140.5040700@bluerosetech.com> <52CDBE74.6040702@bluerosetech.com> In-Reply-To: <52CDBE74.6040702@bluerosetech.com> Subject: RE: zfs upgrade hang upgrading from v3 to v5 Date: Wed, 8 Jan 2014 13:18:13 -0800 Message-ID: <034b01cf0cb7$25147580$6f3d6080$@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQEgsmMlEOIyymi1lu25IlkC7aSJdgF+A3NKm8wZH6A= Content-Language: en-us X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.11.87, 1.0.14, 0.0.0000 definitions=2014-01-08_08:2014-01-07,2014-01-08,1970-01-01 signatures=0 Cc: daver@vicor.com X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jan 2014 21:18:35 -0000 > -----Original Message----- > From: Darren Pilgrim [mailto:list_freebsd@bluerosetech.com] > Sent: Wednesday, January 8, 2014 1:09 PM > To: freebsd-fs; freebsd-questions > Subject: Re: zfs upgrade hang upgrading from v3 to v5 > > On 1/4/2014 2:54 PM, Darren Pilgrim wrote: > > Later today I'll try setting a > > mountpoint on it see if the upgrade will succeed then. > > Well, later that day didn't happen, but this morning did. > > To recap: > > When I upgraded the system from 8.3 to 9.2, I upgraded the zfs pool to > feature flags and all filesystems to version 5. Everything upgraded fine, > except z0, the base filesystem in the pool. z0 is the only filesystem with > mountpoint=none. When upgrading z0, zfs upgrade hangs in tx- > >tx_sync_done_cv. The rest of the system apparently hangs on disk I/O to > an extent requiring a hard reboot (NMI reset). > > Setting a mountpoint made the upgrade work: > > # zfs get mountpoint z0 > NAME PROPERTY VALUE SOURCE > z0 mountpoint none local > # mkdir /z0 && zfs set mountpoint=/z0 z0 # zfs list z0 > NAME USED AVAIL REFER MOUNTPOINT > z0 84.3G 361G 30K /z0 > # zfs upgrade z0 > 1 filesystems upgraded Excellent, thank you for the feedback -- letting me know that there *is* at least a simple work-around for the problem. -- Cheers, Devin _____________ The information contained in this message is proprietary and/or confidential. If you are not the intended recipient, please: (i) delete the message and all copies; (ii) do not disclose, distribute or use the message in any manner; and (iii) notify the sender immediately. In addition, please be aware that any message addressed to our domain is subject to archiving and review by persons other than the intended recipient. Thank you.