From owner-freebsd-questions@FreeBSD.ORG Fri Sep 28 19:25:47 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 19B0816A473 for ; Fri, 28 Sep 2007 19:25:47 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from be-well.ilk.org (dsl092-078-145.bos1.dsl.speakeasy.net [66.92.78.145]) by mx1.freebsd.org (Postfix) with ESMTP id D43E713C4B9 for ; Fri, 28 Sep 2007 19:25:46 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: by be-well.ilk.org (Postfix, from userid 1147) id E9F8828450; Fri, 28 Sep 2007 15:25:45 -0400 (EDT) To: Modulok References: <64c038660709281127j1df4835bxcbfe4495600fd6d7@mail.gmail.com> From: Lowell Gilbert Date: Fri, 28 Sep 2007 15:25:45 -0400 In-Reply-To: <64c038660709281127j1df4835bxcbfe4495600fd6d7@mail.gmail.com> (modulok@gmail.com's message of "Fri\, 28 Sep 2007 12\:27\:09 -0600") Message-ID: <44hcle383q.fsf@be-well.ilk.org> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.99 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-questions@freebsd.org Subject: Re: File size discrepancies X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Sep 2007 19:25:47 -0000 Modulok writes: > I have a file hierarchy of about 18GiB which was copied from a UFS 2 > file system one hard disk to a UFS 2 file system on a gmirror array. > The size of the two hierarchies differ by 12 bytes according to du(1). > No errors were reported by cp(1) during the copy operation. > > Is this normal, or should I start hunting for corruption? The explanation is probably benign, but checking is very simple; just build an mtree(8) description on the original hierarchy and check it against the second one.