Solved, It turns out that the kernel-ib-devel package wasn't installed by default. Once that was in place I was able to compile the client, install it, and mount the lustre mountpoints. Thank you, Kurt ----- Original Message ----- From: "Kurt Strosahl" <strosahl(a)jlab.org&gt; To: "hpdd-discuss" <hpdd-discuss(a)lists.01.org&gt; Sent: Wednesday, March 25, 2015 3:12:30 PM Subject: Re: [HPDD-discuss] Lustre 1.8.9 wc1 client with kernel 2.6.32-220.7.1.el6 I'm not sure how that could be... I compiled it on the same node that I then tried to install it on. w/r, Kurt Date: Wed, 25 Mar 2015 13:01:03 -0500 From: Patrick Farrell <paf(a)cray.com&gt; To: <hpdd-discuss(a)lists.01.org&gt; Subject: Re: [HPDD-discuss] Lustre 1.8.9 wc1 client with kernel 2.6.32-220.7.1.el6 Message-ID: <5512F7DF.4080203(a)cray.com&gt; Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Looks like you've got an OFED version mismatch from what you built with and what is installed on your nodes. - Patrick Kurt J. Strosahl System Administrator Scientific Computing Group, Thomas Jefferson National Accelerator Facility