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/
aebre...@uci.edu
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