Date: Fri, 27 May 2016 00:38:56 -0700 From: Evgeny Sam <esamorokov@gmail.com> To: jg@internetx.com Cc: BlackCat <blackcatzilla@gmail.com>, freebsd-fs@freebsd.org Subject: Re: ZFS - RAIDZ1 Recovery Message-ID: <CABDVK=4XKK7qiOTtYBka_gHzkVNyXh78ecvhOwqxpMZLdcsupw@mail.gmail.com> In-Reply-To: <3af5eba4-4e04-abc4-9fa7-d0a1ce47747e@internetx.com> References: <5747780A.5000809@gmail.com> <3af5eba4-4e04-abc4-9fa7-d0a1ce47747e@internetx.com>
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Hi,
I don't know if it helps, but right after I recreated the pool with
absolute paths of the drives (adaX) I made a bit-to-bit image copy of the
drives. Now I am restoring those images to the NEW DRIVES (similar models).
Thank you,
Evgeny.
On May 27, 2016 12:30 AM, "InterNetX - Juergen Gotteswinter" <
jg@internetx.com> wrote:
> 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
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> >
>
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