From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagi Grimberg Subject: Re: NFS over RDMA in SLinux Date: Sat, 07 Mar 2015 04:19:54 +0200 Message-ID: <54FA604A.4050807@dev.mellanox.co.il> References: <000501d0577e$35db88a0$a19299e0$@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <000501d0577e$35db88a0$a19299e0$@gmail.com> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: francisco.cardoso-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Chuck Lever Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 3/5/2015 9:54 PM, Francisco Manuel Cardoso wrote: > Hello, > > > > Sorry newcomer to the group at the moment, brief question i hope someone can > at least point me. > > Are there any considerations regarding NFS over RDMA on Linux SL6 ? > > Question I've been setting up/using an HPC cluster and NFS over IPoIB it's > cool as soon as start dishing out things onto with the RDMA things go crazy. > > The tipical setup is each machine is able to handle max 40 processes, using > all of those to mpi, I seem to be having some performance issues, if I scale > down to 39 I get much better performance still it crashes. > > Anyone got any pointers ? I'm not sure if you're asking about NFS over IPoIB or NFSoRDMA? CC'ing Chuck which is probably the best help you can get... -- 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