From owner-freebsd-stable@FreeBSD.ORG Tue Mar 29 18:34:51 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F1CBC106566C for ; Tue, 29 Mar 2011 18:34:50 +0000 (UTC) (envelope-from mark@islandnet.com) Received: from cluster3.islandnet.com (cluster.islandnet.com [199.175.106.52]) by mx1.freebsd.org (Postfix) with ESMTP id D13458FC08 for ; Tue, 29 Mar 2011 18:34:50 +0000 (UTC) Received: from [199.175.106.221] (port=12522 helo=helpdesk.islandnet.com) by blade3.islandnet.com with SMTP id 1Q4dkg-000JcI-AN ; Tue, 29 Mar 2011 11:34:50 -0700 From: Mark Morley To: Scot Hetzel Date: Tue, 29 Mar 2011 11:34:50 -0700 X-Priority: 3 X-Mailer: Islandnet.com Helpdesk Webmail Message-Id: <14240cm1t.1301423690@helpdesk.islandnet.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8 Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: FreeBSD Stable Subject: Re: ZFS pool on FreeBSD 8.2-STABLE broken? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Mar 2011 18:34:51 -0000 On Mon, 28 Mar 2011 13:38:54 -0500 Scot Hetzel wrote: On Mon, Mar 28, 2011 at 1:17 PM, Mark Morley wrote: > Hi there, > > I have a small backup server (8.2-STABLE). �It boots from ufs and has azfs pool for backups that consists of 8 drives configured as 4 mirrored devices, totally around 2.5 TB. > > Been working great, no issues, until the past few days when remote rsyncsto it have started to get very slow (it's only at around %50 capacity). �Rebooting it helps for a while, then it gets slow again. �But this isn't the problem now... > > After the last reboot, it froze while booting right at the point where the file system gets mounted. �No errors, it just doesn't proceed past the ZFS version message. > > I rebooted single user and tried to access it with "zpool status", and the command hangs in the same way. �Any attempt to access it ("zfs list", for example) does the same thing. > > The disks themselves seem fine. �They are all connected to a pair of Adaptec RAID controllers (configured as individual drives, with mirroring handled by zfs) and the controller software shows them all to be intact. > > I disabled zfs in rc.conf and was able to boot, but I can't access the pool. > > Any ideas on how to diagnose and hopefully repair this? > Your going to need to download a recent -CURRENT ISO that contans zfs v28, then you can try to recover the pool as outlined in this post http://opensolaris.org/jive/message.jspa?messageID=445269 Well, what I did was rebuild world and kernel top 9.0-CURRENT and reboot. It was able to see and access the zfs file system immediately without having to import it. I did a zpool upgrade to v28 and all seems well so far. Mark