From owner-freebsd-geom@FreeBSD.ORG Wed Jul 17 06:14:36 2013 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 8B116830 for ; Wed, 17 Jul 2013 06:14:36 +0000 (UTC) (envelope-from sowmya@cloudbyte.co) Received: from mail-la0-f47.google.com (mail-la0-f47.google.com [209.85.215.47]) by mx1.freebsd.org (Postfix) with ESMTP id 194517FD for ; Wed, 17 Jul 2013 06:14:35 +0000 (UTC) Received: by mail-la0-f47.google.com with SMTP id fe20so1203183lab.20 for ; Tue, 16 Jul 2013 23:14:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type :x-gm-message-state; bh=rPXwd6yJEy/AE4m/ievMqfOCN4dRMRY2vWE3SAIZ68o=; b=LRqJUMJnNbYP6lhU+/0tNpyVS4o6YI1P+QHl4twYauPuQrLDH0XXL2yeRxggL1nX4h LSEVJZB31psBdxMbbSz8CHL/soBNJotloV1apU4+ZQIFV4wgRTzmU9GayZQSlEs5FtrA +Y6/ZL2ohHe4c3d2SUtBWc1CjbRVou7aFnFdVoosWpr8La7ZS/zTxZN5DVdP1ZRmvNLq nXqKfiaxSBmkutw8h5qAq4w//XDRcHgdRYRru+4/sXaPC+Qzpt7Ree69QLzd97/uNCtX 7T1IrkLUkOJ2d3s0hJJFmiIhDGkcogIquVfnGYxZJtiriuA+A1QJI/9FAN4ZmPW6dg2j 0GGg== MIME-Version: 1.0 X-Received: by 10.152.170.162 with SMTP id an2mr2275256lac.3.1374041669098; Tue, 16 Jul 2013 23:14:29 -0700 (PDT) Received: by 10.114.13.138 with HTTP; Tue, 16 Jul 2013 23:14:28 -0700 (PDT) Date: Wed, 17 Jul 2013 11:44:28 +0530 Message-ID: Subject: I/O errors on the pool created using geom_multipath device. From: Sowmya L To: freebsd-geom@freebsd.org X-Gm-Message-State: ALoCoQlic+9/iFUtDY/EBIMYljARKc1g9PSxTVOKZfA4Qsi1V3ldv+iJhQHxDX9cp3kLa2fCJzG1 Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jul 2013 06:14:36 -0000 Hi Mav, Read/Write errors are recorded when an active path of the geom_multipath device is pulled while running the i/o on dataset created for the pool. Running I/o on dataset using dd. *Freebsd version :* 9.0 *Patch imported from stable 9 : *r229303, r234916 *zpool status:* * * pool: poola state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM poola ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 multipath/newdisk4 ONLINE 0 0 0 multipath/newdisk2 ONLINE 0 0 0 errors: No known data errors * * * * *gmultipath status:* * * Name Status Components multipath/newdisk2 OPTIMAL da7 (ACTIVE) da2 (PASSIVE) multipath/newdisk1 OPTIMAL da6 (ACTIVE) da1 (PASSIVE) multipath/newdisk4 OPTIMAL da3 (ACTIVE) da4 (PASSIVE) multipath/newdisk OPTIMAL da0 (ACTIVE) da5 (PASSIVE) multipath/newdisk3 OPTIMAL da8 (ACTIVE) da9 (PASSIVE) * * *zpool status after pulling the active path g_multipath device*: pool: mypool1 state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://www.sun.com/msg/ZFS-8000-9P scan: resilvered 27.2M in 0h0m with 0 errors on Thu Jul 4 19:47:44 2013 config: NAME STATE READ WRITE CKSUM mypool1 ONLINE 0 0 0 mirror-0 ONLINE 0 12 0 multipath/newdisk4 ONLINE 0 27 0 multipath/newdisk2 ONLINE 0 12 0 spares multipath/newdisk AVAIL errors: No known data errors Are there any dependencies for the patch that is picked from stable 9 as mentioned above?? -- Thanks & Regards, Sowmya L