From owner-freebsd-questions@freebsd.org Mon Feb 22 17:41:15 2016 Return-Path: Delivered-To: freebsd-questions@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 136F1AB16ED for ; Mon, 22 Feb 2016 17:41:15 +0000 (UTC) (envelope-from dan@langille.org) Received: from clavin1.langille.org (clavin.langille.org [162.208.116.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "clavin.langille.org", Issuer "StartCom Class 2 Primary Intermediate Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E384A1E06 for ; Mon, 22 Feb 2016 17:41:13 +0000 (UTC) (envelope-from dan@langille.org) Received: from (clavin1.int.langille.org (clavin1.int.unixathome.org [10.4.7.7]) (Authenticated sender: hidden) with ESMTPSA id 169EE50FE for ; Mon, 22 Feb 2016 17:41:10 +0000 (UTC) From: Dan Langille X-Pgp-Agent: GPGMail 2.6b2 Content-Type: multipart/signed; boundary="Apple-Mail=_2691C8A5-15A0-4108-AB5D-A59D89D7B646"; protocol="application/pgp-signature"; micalg=pgp-sha512 Subject: ZFS: i/o error - all block copies unavailable Date: Mon, 22 Feb 2016 12:41:09 -0500 Message-Id: <5C208714-5117-4089-A872-85A6375856B7@langille.org> To: freebsd-questions@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 9.2 \(3112\)) X-Mailer: Apple Mail (2.3112) X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Feb 2016 17:41:15 -0000 --Apple-Mail=_2691C8A5-15A0-4108-AB5D-A59D89D7B646 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I have a FreeBSD 10.2 (with freebsd-update applied) system at home which = cannot boot. The message is: ZFS: i/o error - all block copies unavailable ZFS: can't read MOS of pool system gptzfsboot: failed to mount default pool system The screen shot is = https://twitter.com/DLangille/status/701611716614946816 The zpool name is 'system'. I booted the box via mfsBSD thumb drive, and was able to import the = zpool: https://gist.github.com/dlangille/6da065e309301196b9cd = I have also run: "gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 = XXX" against each drive. I did with the the files provided with mfsBSD and with the files from my local 10.2 system. = Neither solution changed the booting problem. Ideas? Suggestions? -- Dan Langille - BSDCan / PGCon dan@langille.org --Apple-Mail=_2691C8A5-15A0-4108-AB5D-A59D89D7B646 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQJ8BAEBCgBmBQJWy0g1XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ1MTE2RjM0ODIzRDdERDM4OTY0OUJBNzdF QjIxNTlERUU5NzI3MzlGAAoJEOshWd7pcnOf338QAM32i3EA88anC5m0ah9b7EcG cC/JNd0l0DpYgzNXqR51Ok3qqOtyfzYVSMC4D7dml62lYHucNI8aAwhVtmlGjvl2 PQWahmaSyP8E5nGgVbcgDIK4Xi3cidJi4mjtBCa3esbWNZ3qg2swq9VIrIolP1pT xvCGfvUcJOem4DAURlE9aw/PjnE/fNxT0IHToPuZwj3qvX66qkLDeMk0gKjoKsuK 4RjL172/ybjd/bVbZioZmqkS0afhq2M6saOE4pw5w6Yvs9LxVlWuI21bGW4M92ZP U92NPSAQ5LjaEjHcByzG/9s5D39w6pNnYYkc8i7l8JnHC/99HKxWyF/bV4XZP+Jo BSJVMhYBQ1jEfQpB/qa3BkfZm4w0tflEz1YEwvKi08X4Qe7HJhiaA8oYlbwLciZI +XAqWf8cVk5eC50RxC3vyDHlCZPLrMkHk0Bwo3B3p9lqwN4vFvwTQT8lb/pyPqBI jtKjO682nj5yqcmSC8Aj+aVJE4qA3R0MbDNRT8dP0Uoe0e5A7rw+SayS4ViYtVBT KsiLRovKkTCOqj9nzX5GFDnVkqLzYgxNwt0tfSyCHlZQy9djLAQFy0/USFKm8Gt+ BnIJ3I0qgmzhWvWqV7ssTpClbbb5X8wvdF8fyhsYbbqJ6yI9rz8XpHsmB3L9swRU 9VsoKsyP5c81FvFMn/M2 =HLBD -----END PGP SIGNATURE----- --Apple-Mail=_2691C8A5-15A0-4108-AB5D-A59D89D7B646--