Lustre 2.5 build
rpmbuild --define 'kversion 2.6.32-358.23.2.el6.x86_64' --define 'kdir /var/chroots/golden/usr/src/kernels/2.6.32-358.23.2.el6.x86_64/' --rebuild --without servers lustre-client-2.5.1-2.6.32_431.5.1.el6.x86_64.src.rpm
Basic sequence to download/build Lustre client rpms...