From owner-freebsd-stable@FreeBSD.ORG Wed Jul 17 09:56:52 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 3B56BA6E for ; Wed, 17 Jul 2013 09:56:52 +0000 (UTC) (envelope-from sowmya@cloudbyte.co) Received: from mail-lb0-f174.google.com (mail-lb0-f174.google.com [209.85.217.174]) by mx1.freebsd.org (Postfix) with ESMTP id BA44219C for ; Wed, 17 Jul 2013 09:56:51 +0000 (UTC) Received: by mail-lb0-f174.google.com with SMTP id x10so1412571lbi.19 for ; Wed, 17 Jul 2013 02:56:50 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=dL2l1B65ZwAkmMVkhCvwmwgKQmt2nUUvaneSJj43p9o=; b=XzJAtGSt1lR4j5iZ3IzmpzL4t46LILRp1z/DpUkdEeYjymtRcVDMpbTqu0GwsH11oM 9RJrJ5gqms+HyFdCX9G+kxAx42pBDbirtC60i15YA8m/Tf1u2FDSYXZrU2jC7RZ3j5hg ppD+Q05QnR3uetEntBYBQjkslesyWSZ2qvJh61JETa+z78xGXJ3lJN+ISAUaDQoMDKO+ 7B6cC4/TMpwQ+9KITE/CVIU3FUk9VMT+XNgYUJ2R+OOyqGaH2sdPWP2o6QGcMS7LEd44 RenzGiGKqDjsOP3xnjUL0NT+wl2+B/KGB1G2ZHFPSdrXXUazamETd2oJ674W7eUX0DYX uwLQ== MIME-Version: 1.0 X-Received: by 10.112.28.7 with SMTP id x7mr3011713lbg.7.1374055010148; Wed, 17 Jul 2013 02:56:50 -0700 (PDT) Received: by 10.114.13.138 with HTTP; Wed, 17 Jul 2013 02:56:50 -0700 (PDT) In-Reply-To: References: Date: Wed, 17 Jul 2013 15:26:50 +0530 Message-ID: Subject: Fwd: I/O errors on the pool created using geom_multipath device. From: Sowmya L To: freebsd-stable@freebsd.org X-Gm-Message-State: ALoCoQk702bz78gcANA1WerX6/nmMKJKmLhKuunAlCwA3kYkCso6cxICh+mtV7hK0ojsz/ux3pKk Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jul 2013 09:56:52 -0000 Hi , 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 -- Thanks & Regards, Sowmya L