Date: Fri, 27 May 2016 09:30:30 +0200 From: InterNetX - Juergen Gotteswinter <jg@internetx.com> To: esamorokov <esamorokov@gmail.com>, freebsd-fs@freebsd.org, BlackCat <blackcatzilla@gmail.com> Subject: Re: ZFS - RAIDZ1 Recovery Message-ID: <3af5eba4-4e04-abc4-9fa7-d0a1ce47747e@internetx.com> In-Reply-To: <5747780A.5000809@gmail.com> References: <5747780A.5000809@gmail.com>
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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 > <ST3000DM001-1CH166 CC29> at scbus1 target 0 lun 0 > (pass1,ada1) > <ST3000DM001-1CH166 CC29> at scbus2 target 0 lun 0 > (ada2,pass2) > <ST3000DM001-9YN166 CC4H> 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" >
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