From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajesh Kalmady Subject: nfs mounting problem in a linux cluster Date: Fri, 20 Jan 2006 18:03:43 +0530 Message-ID: <536c333e0601200433s270e4e47x@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1EzvSa-0001hw-Iu for nfs@lists.sourceforge.net; Fri, 20 Jan 2006 04:33:44 -0800 Received: from zproxy.gmail.com ([64.233.162.206]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1EzvSa-00031h-Dy for nfs@lists.sourceforge.net; Fri, 20 Jan 2006 04:33:44 -0800 Received: by zproxy.gmail.com with SMTP id r28so428077nza for ; Fri, 20 Jan 2006 04:33:43 -0800 (PST) To: nfs@lists.sourceforge.net 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: I have a linux cluster with RHEL 4.1 installed in all nodes and the NFS servers too. I have a strange problem of NFS mounting. When I try to mount a file system from the NFS server on to all nodes, I find that the mount hangs in some nodes, but works in others normally. I go to that node, kill the mount command and run it again, it works. The set of nodes where it does not work is also random. I was doing this using a shell script which uses rsh to issue mount commands on the nodes, one by one. I thought that maybe the NFS server cannot handle rapid requests, so I put a sleep of 2 seconds between successive mount commands. But there was no change in the behavior. After some diagnosing using tcpdump, I found that the mount client first contacts the RPC portmapper, then the NFS port and then the port where mountd is listening. In those machines where it does not work, I found that portmapper and nfs are contacted but after this, there is no progress. The linux version is 2.6.9 (the one which comes in RHEL 4.1). The same behavior happens when I unmount the partition too. Could some experts help me out please ? regards Rajesh ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs