From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Wise Subject: Re: NFS over RDMA with no TCP/UDP Date: Mon, 06 Oct 2014 14:57:24 -0500 Message-ID: <5432F424.1030804@opengridcomputing.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Adam Brenner , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 10/6/2014 2:11 PM, Adam Brenner wrote: > Howdy, > > On our HPC cluster, we are exploring the option of mounting a NFS > client over RDMA where no TCP/UDP connection will be available. Both > the client and the server will have RDMA configured with OFED. > > Is this possible? I'm not sure what you mean by "where no TCP/UDP connection will be available."? What iWARP devices are you using? > > If so, what address would we specify on the NFS client side as the > source host? iWARP address + port number? How I find out the iWARP > address? Is that the same as the GID given by the command ibaddr? Or > is this the Node GUID from ibstat? Do we have to safe escape or quote > this address for both the mount option and /etc/exports? Basically you configure the iWARP device's ethernet interface for normal NIC traffic, and use that IP address for the NFSRDMA mount. See Documentation/filesystems/nfs/nfs-rdma.txt for details. Steve. > thanks, > /adam > > -- > Adam Brenner > Computer Science, Undergraduate Student > Donald Bren School of Information and Computer Sciences > > System Administrator, HPC Cluster > Office of Information Technology > http://hpc.oit.uci.edu/ > > University of California, Irvine > www.ics.uci.edu/~aebrenne/ > aebrenne-sXc7qaQca9o@public.gmane.org > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html