From owner-freebsd-current@FreeBSD.ORG Wed Jul 9 14:29:31 2008 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2A4311065677 for ; Wed, 9 Jul 2008 14:29:31 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 3522C8FC22; Wed, 9 Jul 2008 14:29:30 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <4874CB49.50705@FreeBSD.org> Date: Wed, 09 Jul 2008 16:29:29 +0200 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.14 (Macintosh/20080421) MIME-Version: 1.0 To: aslam_mohamed@wordbank.com References: <20080708100701.57031cda@twoflower.in.publishing.hu> <4873C4FA.2020004@FreeBSD.org> <20080709062533.J58331@woozle.rinet.ru> <48749087.4070802@FreeBSD.org> <20080709145010.Q58331@woozle.rinet.ru> <48749EA7.40702@FreeBSD.org> <20080709152739.Q58331@woozle.rinet.ru> <4874A453.7060406@FreeBSD.org> <4874A981.7080106@wordbank.com> <4874B58B.7000108@FreeBSD.org> <4874BEFF.20202@wordbank.com> <4874C38F.9040706@FreeBSD.org> <4874C9E9.1050206@wordbank.com> In-Reply-To: <4874C9E9.1050206@wordbank.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Dmitry Morozovsky , current@FreeBSD.org Subject: Re: Thinking of using ZFS/FBSD for a backup system 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, 09 Jul 2008 14:29:31 -0000 aslam_mohamed@wordbank.com wrote: > Something interesting, I just slot couple of 1TB SATA in to the same > FreeBSD machine and re-created the zfs pool (this is just to make sure > that without firewire the ZFS can work well in FeeBSD) . When I reboot > the machine I see the following appears on booting... This is the same > thing appeared before with Firewire!! > > ad4: 76324MB at ata2-master SATA150 > ad8: 953869MB at ata4-master SATA150 > ad10: 953869MB at ata5-master SATA150 > **GEOM: ad8: corrupt or invalid GPT detected.** > **GEOM: ad8: GPT rejected -- may not be recoverable.** > **GEOM: ad10: corrupt or invalid GPT detected.** > **GEOM: ad10: GPT rejected -- may not be recoverable.** > SMP: AP CPU #1 Launched! > Trying to mount root from ufs:/dev/ad4s1a > WARNING: ZFS is considered to be an experimental feature in FreeBSD. > ZFS filesystem version 6 > ZFS storage pool version 6 > > Now I am running Rsync to backup all the file servers and it had done up > to 1TB without complaining.. Currently, the Zpool status looks pretty OK.. > > pool: backup > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > backup ONLINE 0 0 0 > ad8 ONLINE 0 0 0 > ad10 ONLINE 0 0 0 > > errors: No known data errors > > I don't know in the future there will be any issue because of this Geom > messages... is there any known problem like zfs/geom/gpt > incompatibility?.. is it the ZFS causing this error(!) messages?..any > thoughts?... It does not have anything to do with ZFS. GEOM is at a lower layer than ZFS is. The messages *may* be harmless but you should investigate further. Presumably you did the GPT configuration yourself - you should verify or redo it. Kris