PATCH SERIES FOR SERVER KERNELS:
2.6-rhel6.series 2.6.32-431.29.2.el6 (RHEL 6.5)
-2.6-rhel6.series 2.6.32-504.3.3.el6 (RHEL 6.6)
+2.6-rhel6.series 2.6.32-504.8.1.el6 (RHEL 6.6)
3.0-sles11sp3.series 3.0.101-0.46 (SLES11 SP3)
See lustre/ChangeLog for supported client kernel versions.