From owner-freebsd-fs@freebsd.org Fri May 27 07:37:18 2016 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EF72AB4C0C3 for ; Fri, 27 May 2016 07:37:18 +0000 (UTC) (envelope-from jg@internetx.com) Received: from mx1.internetx.com (mx1.internetx.com [62.116.129.39]) by mx1.freebsd.org (Postfix) with ESMTP id 7D523198A for ; Fri, 27 May 2016 07:37:18 +0000 (UTC) (envelope-from jg@internetx.com) Received: from localhost (localhost [127.0.0.1]) by mx1.internetx.com (Postfix) with ESMTP id E42F845FC0E4; Fri, 27 May 2016 09:30:35 +0200 (CEST) X-Virus-Scanned: InterNetX GmbH amavisd-new at ix-mailer.internetx.de Received: from mx1.internetx.com ([62.116.129.39]) by localhost (ix-mailer.internetx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4WY8RvJN7mtB; Fri, 27 May 2016 09:30:33 +0200 (CEST) Received: from [192.168.100.26] (pizza.internetx.de [62.116.129.3]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mx1.internetx.com (Postfix) with ESMTPSA id 899BD45FC0DB; Fri, 27 May 2016 09:30:33 +0200 (CEST) Subject: Re: ZFS - RAIDZ1 Recovery References: <5747780A.5000809@gmail.com> To: esamorokov , freebsd-fs@freebsd.org, BlackCat Reply-To: jg@internetx.com From: InterNetX - Juergen Gotteswinter Message-ID: <3af5eba4-4e04-abc4-9fa7-d0a1ce47747e@internetx.com> Date: Fri, 27 May 2016 09:30:30 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <5747780A.5000809@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 May 2016 07:37:19 -0000 Hi, after scrolling through the "History" i would wonder if its not completely messed up now. Less is more in such Situations.. Juergen Am 5/27/2016 um 12:26 AM schrieb esamorokov: > Hello All, > > My name is Evgeny and I have 3 x 3TB in RAIDZ1, where one drive is > gone and I accidentally > screwed the other two. The data should be fine, just need to revert > uberblock in point of time, where i started doing changes. > > I AM KINDLY ASKING FOR HELP! The pool had all of the family memories > for many years :( Thanks in advance! > > I am not a FreeBSD guru and have been using ZFS for a couple of > years, but I know Linux and do some programming/scripting. > Since I got that incident I started learning the depth of the ZFS, > but I definitely need help on it at this point. > Please don't ask me why I did not have backups, I was building > backup server in my garage, when it happened > > History: > I was using WEB GUI of FreeNas and it reported a failed drive > I shutdown the computer and replaced the drive, but I did not > noticed that I accidentally disconnected power of another drive > I powered on the server and expanded the pool where there only one > drive of the pool was active > Then I began to really learn ZFS and messing up with bits > At some point I created a backup bit-to-bit images of the two drives > from the pool (using R-Studio) > > > Specs: > OS: FreeBSD 9.2-RELEASE (FREENAS.amd64) #0 r+2315ea3: Fri Dec 20 > 12:48:50 PST 2013 > RAID: [root@juicy] ~# camcontrol devlist > at scbus1 target 0 lun 0 > (pass1,ada1) > at scbus2 target 0 lun 0 > (ada2,pass2) > at scbus3 target 0 lun 0 > (pass3,ada3) > [root@juicy] ~# zdb > zh_vol: > version: 5000 > name: 'zh_vol' > state: 0 > txg: 14106447 > pool_guid: 2918670121059000644 > hostid: 1802987710 > hostname: '' > vdev_children: 1 > vdev_tree: > type: 'root' > id: 0 > guid: 2918670121059000644 > create_txg: 4 > children[0]: > type: 'raidz' > id: 0 > guid: 14123440993587991088 > nparity: 1 > metaslab_array: 34 > metaslab_shift: 36 > ashift: 12 > asize: 8995321675776 > is_log: 0 > create_txg: 4 > children[0]: > type: 'disk' > id: 0 > guid: 17624020450804741401 > path: '/dev/gptid/6e5cea27-7f52-11e3-9cd8-d43d7ed5b587' > whole_disk: 1 > DTL: 137 > create_txg: 4 > children[1]: > type: 'disk' > id: 1 > guid: 3253299067537287428 > path: '/dev/gptid/2b70d9c0-8e40-11e3-aa1c-d43d7ed5b587' > whole_disk: 1 > DTL: 133 > create_txg: 4 > children[2]: > type: 'disk' > id: 2 > guid: 17999524418015963258 > path: '/dev/gptid/1e898758-9488-11e3-a86e-d43d7ed5b587' > whole_disk: 1 > DTL: 134 > create_txg: 4 > features_for_read: > > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >