Date: Thu, 31 Mar 2011 18:48:12 +0200 From: Piotr Paczynski <ppaczyn@gmail.com> To: freebsd-fs@freebsd.org Subject: ZFS failed after hard power off Message-ID: <AANLkTi=CJu2FByAQUzZVr6C76aU1QXaE6Yx-rScsrgxq@mail.gmail.com>
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Hi all, I urgently need help. After hard power-off (power cable disconnected) my FreeBSD 8.1-STABLE server fails to boot from ZFS with an I/O Error. I was able to boot to Fixit console from 8.2 LiveFS, prepare it for ZFS and mount the pool using "zpool import -Ff" command. Here are the results: Fixit# zpool status pool: zroot state: FAULTED status: The pool metadata is corrupted and the pool cannot be opened. action: Destroy and re-create the pool from a backup source. see: http://www.sun.com/msg/ZFS-8000-72 scrub: none requested config: NAME STATE READ WRITE CKSUM zroot FAULTED 0 0 1 corrupted data gpt/array0 ONLINE 0 0 6 Also "zdb -l /dev/gpt/array0" shows 4 LABELS. Each has the same attributes, in particular: version=14 state=0 txg=4 Here are the screen-shots in case I missed something: https://picasaweb.google.com/113032262178118660549/ZfsFailure# Any pointers how to go about recovering data from this pool anyone? -- Piotr Paczynski
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