From owner-freebsd-bugs@FreeBSD.ORG Wed Mar 28 21:20:12 2012 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2048D1065672 for ; Wed, 28 Mar 2012 21:20:12 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id D61E28FC1D for ; Wed, 28 Mar 2012 21:20:11 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q2SLKBhp024136 for ; Wed, 28 Mar 2012 21:20:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q2SLKBfG024135; Wed, 28 Mar 2012 21:20:11 GMT (envelope-from gnats) Resent-Date: Wed, 28 Mar 2012 21:20:11 GMT Resent-Message-Id: <201203282120.q2SLKBfG024135@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Paul Mezzanini Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 213DA106564A for ; Wed, 28 Mar 2012 21:14:21 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 0C1A58FC08 for ; Wed, 28 Mar 2012 21:14:21 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q2SLEKDT048101 for ; Wed, 28 Mar 2012 21:14:20 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id q2SLEKMQ048082; Wed, 28 Mar 2012 21:14:20 GMT (envelope-from nobody) Message-Id: <201203282114.q2SLEKMQ048082@red.freebsd.org> Date: Wed, 28 Mar 2012 21:14:20 GMT From: Paul Mezzanini To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: misc/166477: NFS data corruption. X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Mar 2012 21:20:12 -0000 >Number: 166477 >Category: misc >Synopsis: NFS data corruption. >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Mar 28 21:20:11 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Paul Mezzanini >Release: 9.0-RELEASE >Organization: Rochester Institute of Technology >Environment: FreeBSD tardis.rc.rit.edu 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: Environment: NFS Client - clean FreeBSD 9 amd64 install NFS Server - BlueArc Mercury 110 NAS MTU 9000 Specifying default mount options will cause the data corruption to occur. It is consistent on which files are corrupted. Not all files become corrupt. I have not found what triggers the error within a file. File type (binary/text) does not seem to be a factor. I am still gathering data to try and isolate exactly where this error is being introduced. >How-To-Repeat: copy a file from the bluearc to local disk via nfs. "Copy" can be either cp, rsync or any other read method. >Fix: Force mount to use oldnfs OR force rsize/wsize to 32768 >Release-Note: >Audit-Trail: >Unformatted: