From owner-freebsd-fs@freebsd.org Fri Feb 2 10:43:09 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DEF8CECF741 for ; Fri, 2 Feb 2018 10:43:08 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: from mail-wm0-x22a.google.com (mail-wm0-x22a.google.com [IPv6:2a00:1450:400c:c09::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 60529859A1 for ; Fri, 2 Feb 2018 10:43:08 +0000 (UTC) (envelope-from ben.rubson@gmail.com) Received: by mail-wm0-x22a.google.com with SMTP id 143so11550172wma.5 for ; Fri, 02 Feb 2018 02:43:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=xNYVaePy82AebynkmyDBL5p7ifd5U3qn9Wec0xXI6c0=; b=W2uOqVdBrlDzcCo1OMZzQIHkteOplmBCNO5jkUH5bptjJ4xuvqksmnUynPI8T1F4BO C5l5WXCicXNmDzWHb4k0O9x6RvSJ6R+WyF1GywIzPYPHytciHnez28X48th0NQOGByZ0 /4UYegfhRGuuDui7N2P2gzgnNw85ZmKY4XX7ZzZVneOzpmFTB/c18cZUMOvm7KB+ce5c O2N7/cs8tExT3PO2xH0vxIAw6aOSSWShfB/DAj1YUBidUxUQYFLH+nkf/WcEftpEmQHx jXrg/bEVQ6oxkcIkeFqKGwz8ilvAUJetEWitCHHS5PQqML8KCXeON1TAnKp5+vhC3cRq WP7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=xNYVaePy82AebynkmyDBL5p7ifd5U3qn9Wec0xXI6c0=; b=ZlP6As5w2d4Htsv4ovyb9EHPL1ETxP83G4FYSGwP2NwTW6T+Zg3OLDjxnHeg42+zt3 OvsLYnm4CB8AwslxP8RoC3h6TvNwnZAEG1FrY4NL6uM1bobKmMhJXQJznR7Php60kv3T uCGLIl87L04MSZRDw2RGWKx9uDiGQnqVF3yhUVLunojk2yqjFQ+l3NvjhlsEmPCtZwTC LPfVhMAHw9srQm+47OShXFqfqkZmCB5mD9jOCZzlhz2T1jixO5ZLqNW/AgThXcyQkHWW vV4kZFqxbzk9sOBHMosawTqsf6IfGaKzW6KOR2L4IPlDJ4TYqsAvKPCGpYT3Eyz2P39e B3Pg== X-Gm-Message-State: AKwxytdl/Xlg5Cag1vdLbVJfURiV5WT1Znw/N0ghUXbOf3jXwvzjwHDP 6G5WxE2kBr11miwCXvTt8Psj9ilD X-Google-Smtp-Source: AH8x226GMeGGp9aZm8i3sgIJK4i+SGLOl0PccrRNnzfA7i+s2TrOzhvOpOyyPxnZOmskSSK8NQLNgw== X-Received: by 10.28.109.83 with SMTP id i80mr31146185wmc.89.1517568186871; Fri, 02 Feb 2018 02:43:06 -0800 (PST) Received: from bens-mac.home (LFbn-MAR-1-467-113.w2-15.abo.wanadoo.fr. [2.15.58.113]) by smtp.gmail.com with ESMTPSA id 104sm2921492wrl.74.2018.02.02.02.43.06 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 02 Feb 2018 02:43:06 -0800 (PST) Content-Type: text/plain; charset=us-ascii; delsp=yes; format=flowed Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: ZFS pool faulted (corrupt metadata) but the disk data appears ok... From: Ben RUBSON In-Reply-To: <9c995251-45f1-cf27-c4c8-30a4bd0f163c@sorbs.net> Date: Fri, 2 Feb 2018 11:43:04 +0100 Content-Transfer-Encoding: 7bit Message-Id: <8282375D-5DDC-4294-A69C-03E9450D9575@gmail.com> References: <54D3E9F6.20702@sorbs.net> <54D41608.50306@delphij.net> <54D41AAA.6070303@sorbs.net> <54D41C52.1020003@delphij.net> <54D424F0.9080301@sorbs.net> <54D47F94.9020404@freebsd.org> <54D4A552.7050502@sorbs.net> <54D4BB5A.30409@freebsd.org> <54D8B3D8.6000804@sorbs.net> <54D8CECE.60909@freebsd.org> <54D8D4A1.9090106@sorbs.net> <54D8D5DE.4040906@sentex.net> <54D8D92C.6030705@sorbs.net> <54D8E189.40201@sorbs.net> <54D924DD.4000205@sorbs.net> <54DCAC29.8000301@sorbs.net> <9c995251-45f1-cf27-c4c8-30a4bd0f163c@sorbs.net> To: "freebsd-fs@freebsd.org" X-Mailer: Apple Mail (2.3124) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Feb 2018 10:43:09 -0000 On 02 Feb 2018 11:26, Michelle Sullivan wrote: Hi Michelle, > Michelle Sullivan wrote: >> Michelle Sullivan wrote: >>> So far (few hours in) zfs import -fFX has not faulted with this image... >>> it's running out of memory currently about 16G of 32G- however 9.2-P15 >>> kernel died within minutes... out of memory (all 32G and swap) so am >>> more optimistic at the moment... Fingers Crossed. >>> >> And the answer: >> >> 11-STABLE on a USB stick. >> >> Remove the drive that was replacing the hotspare (ie the replacement >> drive for the one that initially died) >> zpool import -fFX storage >> zpool export storage >> >> reboot back to 9.x >> zpool import storage >> re-insert drive replacement drive. >> reboot > Gotta thank people for this again, saved me again this time on a > non-FreeBSD system this time (with a lot of using a modified recoverdisk > for OSX - thanks PSK@)... Lost 3 disks out of a raidz2 and 2 more had > read errors on some sectors.. don't know how much (if any) data I've lost > but at least it's not a rebuild from back up of all 48TB.. What about the root-cause ? Sounds like you had 5 disks dying at the same time ? Do you periodically run long smart tests ? Zpool scrubs ? Thx, Ben