From: "J. Bruce Fields" Subject: Re: [PATCH 0/4 Revised] NLM - lock failover Date: Wed, 11 Apr 2007 13:01:54 -0400 Message-ID: <20070411170154.GA28214@fieldses.org> References: <46156F3F.3070606@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: cluster-devel@redhat.com, Lon Hohberger , nfs@lists.sourceforge.net To: Wendy Cheng Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1HbgCk-0005pv-Hf for nfs@lists.sourceforge.net; Wed, 11 Apr 2007 10:02:01 -0700 Received: from mail.fieldses.org ([66.93.2.214] helo=fieldses.org) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HbgCl-0007x0-OJ for nfs@lists.sourceforge.net; Wed, 11 Apr 2007 10:02:01 -0700 In-Reply-To: <46156F3F.3070606@redhat.com> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On Thu, Apr 05, 2007 at 05:50:55PM -0400, Wendy Cheng wrote: > Revised patches based on 2.6.21-rc4 kernel and nfs-utils-1.1.0-rc1 that > address issues discussed in: > https://www.redhat.com/archives/cluster-devel/2006-September/msg00034.html > > Quick How-to: > 1) Failover server exports filesystem with "fsid" option as: > /etc/exports entry> /mnt/shared/exports *(fsid=1234,sync,rw) > 2) Failover server dispatch rpc.statd with "-H" option. > 3) Failover server drops locks based on fsid by: > shell> echo 1234 > /proc/fs/nfsd/nlm_unlock > 4) Takeover server enters per fsid grace period by: > shell> echo 1234 > /proc/fs/nfsd/nlm_set_igrace > 5) Takeover server notifies clients for lock reclaim by: > shell> /usr/sbin/sm-notify -f -v floating_ip_address -P an_sm_directory > > Patch Summary: > 4-1: implement /proc/fs/nfsd/nlm_unlock > 4-2: implement /proc/fs/nfsd/nlm_set_igrace > 4-3: correctly record and pass incoming server ip interface into rpc.statd. > 4-4: nfs-utils statd changes > 4-1 includes an existing lockd bug fix as discussed in: > http://sourceforge.net/mailarchive/forum.php?thread_name=4603506D.5040807%40redhat.com&forum_name=nfs > (subject: [NFS] Question about f_count in struct nlm_file) That's the one separate chunk in nlm_traverse_files()? Could you keep that split out as a separate patch? I see that it got some discussion before but I'm not clear what the resolution was.... --b. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs