> -----Original Message----- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > Behalf Of Jon Brock > Sent: Thursday, January 17, 2008 2:04 PM > To: [email protected] > Subject: NFS mount of zLinux file system -- port > I am experimenting with mounting a Linux file system (RHEL 4, running > under zVM) on z/OS. I can get it to work, but it wants to use an > unsecured port (4005, I think it was). How can I get NFS on > z/OS to use > a particular port? Is it a matter of setting it in the > TCP/IP profile? > Is it a parm entered on the MOUNT command? > > The manual has led me around in circles on this, but that may > be my own > fault. > > Thanks, > > Jon
What is an "unsecured port"? Do you mean a port <1024? What does it matter? In any case, to answer your question: I am not authoritative on this by any means. The NFS server normally requests a port from the portmapper daemon. This is usually an ephemeral port. On my Fedora system (Intel), there is a file /etc/sysconfig/nfs. In this file is a commented out line like: #RPCNFSDARGS This contains the parameters to be sent to rpc.mountd. This is the process which requests a port. Looking at the info doc on rpc.mountd, there is a parameter to specify the port to bind to. So, pick a port which is currently unused on the Linux machine (say 1027) and update this line to look like: RPCNFSDARGS='--port 1027' Then restart the NFS server (as root) via the command: service nfs restart Others may tell me that I'm full of little red ants. But that's how I read the manual. The z/OS NFS client will then contact portmapper on the Linux system and get port 1027 as the NFS port. -- John McKown Senior Systems Programmer HealthMarkets Keeping the Promise of Affordable Coverage Administrative Services Group Information Technology The information contained in this e-mail message may be privileged and/or confidential. It is for intended addressee(s) only. If you are not the intended recipient, you are hereby notified that any disclosure, reproduction, distribution or other use of this communication is strictly prohibited and could, in certain circumstances, be a criminal offense. If you have received this e-mail in error, please notify the sender by reply and delete this message without copying or disclosing it. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
