From owner-freebsd-questions@freebsd.org Sun Aug 20 01:30:40 2017 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 417EEDD1AE5 for ; Sun, 20 Aug 2017 01:30:40 +0000 (UTC) (envelope-from eduardo.lemosdesa@gmail.com) Received: from mail-qt0-x22a.google.com (mail-qt0-x22a.google.com [IPv6:2607:f8b0:400d:c0d::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0717D6D2B3 for ; Sun, 20 Aug 2017 01:30:39 +0000 (UTC) (envelope-from eduardo.lemosdesa@gmail.com) Received: by mail-qt0-x22a.google.com with SMTP id x36so1218863qtx.2 for ; Sat, 19 Aug 2017 18:30:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=BsWuMwWCtqsG08Pykr1M1uV2HZVRCkYsKVgZcMX6kUk=; b=uwUIv2oMBK6V/J3n6QUQNm/l/elUTnvNTkSWL9mDV0L+PkIoVVkvLvjSMHdIm0uD/r ZdyLkEqmCghq8vlQpHh2eqSfqXLsFJ3NmBD+ifwUUC3WITrih+yJ+qrFgMLRQmLGZstP /Y7sYDqnzxJrOoTLb+MEoIqq+N3qfQpZmFshR9iGnJZ9qHXsx8ZrnRiX3BAuWCLnRI8n QwDFYltoZvr8NKZQB3IPgwd7vc8UfrE4g+UEc87kGWxo4qW+w4JWFyCXHRyvMfVZbHTQ /3zR5SoIjBDliqCC4emlPGP5Sdso4b4V02hmhfksMZLrsNZEoI51wAEORdgZW/W3C4Lj GPyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=BsWuMwWCtqsG08Pykr1M1uV2HZVRCkYsKVgZcMX6kUk=; b=FeoQQBEHj/OlgXINIGL2fKsSe/0y6DYi4Zxwmeah5KAomv1GHavbe888+hkZMP6ymh 4IQTjEX9OKvm3dY78+TUAZkcv0ua8aqAGyJ8vEOjTVueyP02pGYEf/FD9Ht0dIM0VSXS MuvG0dRwwhCYoRX6lJ2h4KTwwuqHnhw67O5f7pnYOW1AkyyDCDXUlz+6MR8EXnlEPdud ssF/gr8QwEyxMFpYlBvOXeVZusti7R5nPXKYNG28mYEH6lyFSJ9QhYDKZhXXXD18fuU7 ats8QHdj8I2LQK7fu83y7jiz92Yv4/dzDI7/KbYx2WvZOh7P/9nDM1agWoMDe9fqkqlC m4zQ== X-Gm-Message-State: AHYfb5iaQUfUzfy6h9OfDCZnbJIGb1PBI+4rw1LtKaDoMTtx7e5tP+Ei FZ6zlrXL3+XeU3CHUML9JM2dhrw6a3zA X-Received: by 10.200.44.100 with SMTP id e33mr19454626qta.80.1503192638528; Sat, 19 Aug 2017 18:30:38 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.98.135 with HTTP; Sat, 19 Aug 2017 18:30:38 -0700 (PDT) From: Eduardo Lemos de Sa Date: Sat, 19 Aug 2017 22:30:38 -0300 Message-ID: Subject: Trying to recover data from a ZFS Hard disk which no zpool name To: freebsd-questions@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Aug 2017 01:30:40 -0000 Dear I loose my main hard disk this week. There is a secondary hard dish where I had created a zfs filesystem named zee-root at /dev/ada0p1. I replaced the main hard disk but I couldn't recover data from the working /dev/ada0p1. I read a lot, but I couldn't find a easy way, if there is one, to recreate zee-root and recover data. Here, the output from some commands; gpart status: Name Status Components ada0p1 OK ada0 <---- so, adaop1 is there ada1p1 OK ada1 ada1p2 OK ada1 ada1p3 OK ada1 ada1p4 OK ada1 gpart list: Geom name: ada0 modified: false state: OK fwheads: 16 fwsectors: 63 last: 976773134 first: 34 entries: 128 scheme: GPT Providers: 1. Name: ada0p1 Mediasize: 500106788864 (466G) Sectorsize: 512 Stripesize: 0 Stripeoffset: 1048576 Mode: r0w0e0 rawuuid: f1ba7289-40a0-11e7-b35b-40167ee6fc4f rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b label: disk0 length: 500106788864 offset: 1048576 type: freebsd-zfs index: 1 end: 976773119 start: 2048 Consumers: 1. Name: ada0 Mediasize: 500107862016 (466G) Sectorsize: 512 Mode: r0w0e0 Geom name: ada1 modified: false state: OK fwheads: 16 fwsectors: 63 last: 1953523015 first: 40 entries: 152 scheme: GPT Providers: 1. Name: ada1p1 Mediasize: 819200 (800K) Sectorsize: 512 Stripesize: 0 Stripeoffset: 20480 Mode: r0w0e0 rawuuid: 7bc0df74-827e-11e7-a914-40167ee6fc4f rawtype: c12a7328-f81f-11d2-ba4b-00a0c93ec93b label: efiboot0 length: 819200 offset: 20480 type: efi index: 1 end: 1639 start: 40 2. Name: ada1p2 Mediasize: 524288 (512K) Sectorsize: 512 Stripesize: 0 Stripeoffset: 839680 Mode: r0w0e0 rawuuid: 7be10150-827e-11e7-a914-40167ee6fc4f rawtype: 83bd6b9d-7f41-11dc-be0b-001560b84f0f label: gptboot0 length: 524288 offset: 839680 type: freebsd-boot index: 2 end: 2663 start: 1640 3. Name: ada1p3 Mediasize: 17179869184 (16G) Sectorsize: 512 Stripesize: 0 Stripeoffset: 2097152 Mode: r1w1e0 rawuuid: 7c06e4ed-827e-11e7-a914-40167ee6fc4f rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b label: swap0 length: 17179869184 offset: 2097152 type: freebsd-swap index: 3 end: 33558527 start: 4096 4. Name: ada1p4 Mediasize: 983021125632 (916G) Sectorsize: 512 Stripesize: 0 Stripeoffset: 2097152 Mode: r1w1e1 rawuuid: 7c27f290-827e-11e7-a914-40167ee6fc4f rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b label: zfs0 length: 983021125632 offset: 17181966336 type: freebsd-zfs index: 4 end: 1953521663 start: 33558528 Consumers: 1. Name: ada1 Mediasize: 1000203804160 (932G) Sectorsize: 512 Mode: r2w2e3 So, my main disk is working ... glabel status: Name Status Components gpt/disk0 N/A ada0p1 gpt/efiboot0 N/A ada1p1 msdosfs/EFI N/A ada1p1 gpt/gptboot0 N/A ada1p2 and, finally, zpool list and zpool status: NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT zroot 912G 25.4G 887G - 1% 2% 1.00x ONLINE - pool: zroot state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 ada1p4 ONLINE 0 0 0 errors: No known data errors My main HD (/dev/ada1 =3D 912 GB) is working as /dev/ada0, but zpool only knows the first one. Please, could you advise me how to solve this problem? Thank you in advance for your attention My best wishes Eduardo --=20 Eduardo Lemos de Sa Professor Titular Dep. Quimica da Universidade Federal do Paran=C3=A1 fone: +55(41)3361-3300 fax: +55(41)3361-3186