From owner-freebsd-questions@FreeBSD.ORG Thu Jun 3 05:46:22 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 51DBC16A4CE for ; Thu, 3 Jun 2004 05:46:22 -0700 (PDT) Received: from destiny.chrononomicon.com (mail.chrononomicon.com [65.193.73.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id A84BF43D39 for ; Thu, 3 Jun 2004 05:46:21 -0700 (PDT) (envelope-from bsilver@chrononomicon.com) Received: from [IPv6:::1] (destiny.chrononomicon.com [192.168.1.42]) by destiny.chrononomicon.com (Postfix) with ESMTP id 898B61FDFF; Thu, 3 Jun 2004 08:45:57 -0400 (EDT) In-Reply-To: <20040603111619.GA36964@xor.obsecurity.org> References: <20040603111619.GA36964@xor.obsecurity.org> Mime-Version: 1.0 (Apple Message framework v618) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Bart Silverstrim Date: Thu, 3 Jun 2004 08:45:56 -0400 To: Kris Kennaway X-Mailer: Apple Mail (2.618) cc: freebsd-questions@freebsd.org Subject: Re: Issues with large files on nfs-mounted filesystems? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jun 2004 12:46:22 -0000 On Jun 3, 2004, at 7:16 AM, Kris Kennaway wrote: > On Thu, Jun 03, 2004 at 11:42:40AM +0100, Jim Hatfield wrote: >> I've made a large .mpg file on a Linux machine (because some >> tools, such as mplex, are newer than available in FreeBSD ports). >> >> Here's a directory listing: >> >>> -rw-r--r-- 1 jim users 4388444160 Jun 2 23:15 movie.mpg >> >> I want to burn it to DVD but the burner is on a BSD box, so >> I nfs-mount the /home partition. However when I look at the >> same file from FreeBSD 5.1 I get: >> >>> -rw-r--r-- 1 jim 100 93476864 Jun 3 00:15 movie.mpg >> >> (yes I know there is a time zone issue. I haven't worked >> out how to set it on Gentoo yet). >> >> The difference between the sizes is 4294967296, ie 2^32. >> >> Anyone know if this is an issue with the NFS implementations >> or whether the NFS protocols have a 32-bit size limit? > > The mount_nfs manpage tells you: > > -2 Use the NFS Version 2 protocol (the default is to try > version 3 > first then version 2). Note that NFS version 2 has a > file size > limit of 2 gigabytes. > > Linux used to, and maybe still does, have stability problems with > NFSv3, so the default was/is to use NFSv2. FreeBSD has no such > problems :) One quick workaround I'd suggest is scp if you have SSH working... -Bart