From: Garrick Staples Subject: Re: force unmount not working 2.4.22 Date: Sat, 9 Oct 2004 14:41:56 -0700 Sender: nfs-admin@lists.sourceforge.net Message-ID: <20041009214156.GV7742@polop.usc.edu> References: <20041009212231.78436.qmail@web20524.mail.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="I0JUXUhnehxKnLt4" Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1CGOzJ-0005f0-8u for nfs@lists.sourceforge.net; Sat, 09 Oct 2004 14:42:49 -0700 Received: from polop.usc.edu ([128.125.10.9]) by sc8-sf-mx1.sourceforge.net with esmtp (TLSv1:AES256-SHA:256) (Exim 4.41) id 1CGOzC-0002Yv-2t for nfs@lists.sourceforge.net; Sat, 09 Oct 2004 14:42:49 -0700 Received: from polop.usc.edu (localhost.localdomain [127.0.0.1]) by polop.usc.edu (8.12.11/8.12.11) with ESMTP id i99LfuGK031480 for ; Sat, 9 Oct 2004 14:41:56 -0700 Received: (from garrick@localhost) by polop.usc.edu (8.12.11/8.12.11/Submit) id i99Lfuqr031478 for nfs@lists.sourceforge.net; Sat, 9 Oct 2004 14:41:56 -0700 To: nfs@lists.sourceforge.net In-Reply-To: <20041009212231.78436.qmail@web20524.mail.yahoo.com> 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: --I0JUXUhnehxKnLt4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Oct 09, 2004 at 02:22:31PM -0700, Goutham Kurra alleged: >=20 > Force unmount simply isn't working on a standard linux > 2.4.22 kernel. Isn't it supposed to unmount NFS > filesystems no matter what? >=20 > In my case, the backend server is still up and > working, I have a "tail -f /mnt/nfs/foo" of some file > on the mount, and "umount -f" fails with "device or > resource is busy" I don't believe force is useful in this case, what you want is -l. -f Force unmount (in case of an unreachable NFS system). (Requires kernel 2.1.116 or later.) -l Lazy unmount. Detach the filesystem from the filesystem hierar- chy now, and cleanup all references to the filesystem as soon as it is not busy anymore. (Requires kernel 2.4.11 or later.) --=20 Garrick Staples, Linux/HPCC Administrator University of Southern California --I0JUXUhnehxKnLt4 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFBaFsk0SBUxJbm9HMRAur2AKCZn0UoO/i6DLu6oJ15uH8izErH4QCgobpK OkZmHtsWIJI3bigHjORAAkU= =KyrA -----END PGP SIGNATURE----- --I0JUXUhnehxKnLt4-- ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs