From owner-freebsd-current Thu Jan 21 12:12:48 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA22017 for freebsd-current-outgoing; Thu, 21 Jan 1999 12:12:48 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from david.siemens.de (david.siemens.de [192.35.17.14]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA22006 for ; Thu, 21 Jan 1999 12:12:42 -0800 (PST) (envelope-from andre.albsmeier@mchp.siemens.de) X-Envelope-Sender-Is: andre.albsmeier@mchp.siemens.de (at relayer david.siemens.de) Received: from mail.siemens.de (salomon.siemens.de [139.23.33.13]) by david.siemens.de (8.9.2/8.9.2) with ESMTP id VAA27343 for ; Thu, 21 Jan 1999 21:12:21 +0100 (MET) Received: from curry.mchp.siemens.de (daemon@curry.mchp.siemens.de [146.180.31.23]) by mail.siemens.de (8.9.2/8.9.2) with ESMTP id VAA03682 for ; Thu, 21 Jan 1999 21:12:24 +0100 (MET) Received: (from daemon@localhost) by curry.mchp.siemens.de (8.8.8/8.8.8) id VAA24305 for ; Thu, 21 Jan 1999 21:12:24 +0100 (CET) Date: Thu, 21 Jan 1999 21:12:21 +0100 From: Andre Albsmeier To: "David E. Cross" Cc: current@FreeBSD.ORG Subject: Re: mountd Message-ID: <19990121211221.A11186@internal> References: <199901211554.KAA28454@cs.rpi.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.1i In-Reply-To: <199901211554.KAA28454@cs.rpi.edu>; from David E. Cross on Thu, Jan 21, 1999 at 10:54:36AM -0500 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 21-Jan-1999 at 10:54:36 -0500, David E. Cross wrote: > I posted this awhile ago to -questions, but never received a reply. > > We have a number of FreeBSD NFS servers here. Occasionally we need to > change the exports list on the servers and send mountd a SIGHUP. This > leads to a condition that in many ways is much worse than a server reboot. > > What happens is for the duration of mountd reading the exports file it denies > all NFS requests. This has a number of bad effects; 1) any user home and > system directories become unavailable, with the error 'permission denied' 2) > (and this is far worse), any process with a mapped .text segment off of the > NFS server, should it branch to code not in the cache gets immediately killed. > This include user processes that are running from home directories, and system > processes (such as ssh). If we were to reboot the machine it would just > hang those connections until the machine came back, without killing anyone. > > Is there a solution to this problem? I know that none of HP-UX, IRIX, or > Solaris have this problem. Please, please, if anyone knows a solution for this, drop me a note also... Thanks, -Andre To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message