From: James Pearson Subject: Re: file system handle Date: Mon, 13 Dec 2004 15:57:50 +0000 Message-ID: <41BDBBFE.5090406@moving-picture.com> References: <41BDB57B.2050703@moving-picture.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Cc: "nfs@lists.sourceforge.net" Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1CdsaA-0006Yz-OS for nfs@lists.sourceforge.net; Mon, 13 Dec 2004 07:57:54 -0800 Received: from mpc-26.sohonet.co.uk ([193.203.82.251] helo=moving-picture.com) by sc8-sf-mx2.sourceforge.net with esmtp (Exim 4.41) id 1Cdsa9-0000py-2f for nfs@lists.sourceforge.net; Mon, 13 Dec 2004 07:57:54 -0800 To: David Dougall In-Reply-To: Sender: nfs-admin@lists.sourceforge.net Errors-To: nfs-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Post: List-Help: List-Subscribe: , List-Archive: Yes - existing clients will still use the 'default' filehandle type. Any new clients will use the fsid= option type. You have to make sure all clients have remounted the file systems before moving the disks to a new host. James Pearson David Dougall wrote: > So, you are saying that if I add an fsid= option into the exports, the > server will work with both that filehandle and the default major/minor > number one? > --David Dougall > > > On Mon, 13 Dec 2004, James Pearson wrote: > > >>David Dougall wrote: >> >>>I am moving filesystems/disks to new NFS servers. They are going to >>>change major and minor numbers. Is there any way I can prevent stale >>>mounts with the fsid= option in the exports? >>>I have tried this on a test environment, but when I try to create an fsid= >>>option, it completely changes the filehandle format in the nfs packet. Am >>>I missing something, or are the default and forced fsid options >>>incompatible? >> >>I believe using the fsid= option does use a different file handle id >>type, so you can't directly do what you want with the fsid option. >> >>However, you can re-export a file system with an added fsid= option - >>any existing mounts will still use the 'previous' file handle type based >>on the device id, but new mounts will use the new fsid file handle. You >>then will have to make sure all existing clients remount the file system >>before moving the disks. >> >>I've done this before - but I had to make the export change well in >>advance, so that I could make sure all existing clients remounted the >>file system before the move. >> >>James Pearson >> >> >> > > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs