+TBD Whamcloud
+ * version 2.12.7
+ * See https://wiki.whamcloud.com/display/PUB/Lustre+Support+Matrix
+ for currently supported client and server kernel versions.
+ * Server primary kernels built and tested during release cycle:
+ 3.10.0-957.27.2.el7 (RHEL7.6)
+ 3.10.0-1062.18.1.el7 (RHEL7.7)
+ 3.10.0-1127.19.1.el7 (RHEL7.8)
+ 3.10.0-1160.15.2.el7 (RHEL7.9)
+ * Server known to build on the following kernels (others may also work):
+ 2.6.32-696.18.7.el6 (RHEL6.9)
+ 3.10.0-862.14.4.el7 (RHEL7.5)
+ 4.4.120-92.70 (SLES12 SP2)
+ 4.4.180-94.97 (SLES12 SP3)
+ 4.4.0-142 (Ubuntu 16.04)
+ 4.15.0-45 (Ubuntu 18.04)
+ vanilla linux 4.6.7 (ZFS only)
+ * ldiskfs needs an ldiskfs patch series for that kernel, ZFS does not
+ * Client primary unpatched kernels built and tested during release cycle:
+ 3.10.0-957.27.2.el7 (RHEL7.6)
+ 3.10.0-1062.18.1.el7 (RHEL7.7)
+ 3.10.0-1127.19.1.el7 (RHEL7.8)
+ 3.10.0-1160.15.2.el7 (RHEL7.9)
+ 4.18.0-80.11.2.el8 (RHEL8.0)
+ 4.4.180-94.97 (SLES12 SP3)
+ 4.12.14-95.54 (SLES12 SP4)
+ 4.12.14-122.57 (SLES12 SP5)
+ 4.15.0-45 (Ubuntu 18.04)
+ * Client known to build on unpatched kernels (others may also work):
+ 2.6.32-696.18.7.el6 (RHEL6.9)
+ 2.6.32-754.6.3.el6 (RHEL6.10)
+ 3.10.0-862.14.4.el7 (RHEL7.5)
+ 4.14.0-49.13.1.el7a (RHEL7.5)
+ 4.14.0-115.2.2.el7a (RHEL7.6)
+ 4.18.0-147.3.1.el8 (RHEL8.1)
+ 4.18.0-193.28.1.el8 (RHEL8.2)
+ 4.18.0-240.15.1.el8 (RHEL8.3)
+ 4.4.120-92.70 (SLES12 SP2)
+ 4.4.0-142 (Ubuntu 16.04)
+ vanilla linux 4.15.0 (ZFS only)
+ * Recommended e2fsprogs version: 1.45.6.wc1 or newer
+ * Recommended ZFS / SPL version: 0.7.13
+ * NFS export disabled when stack size < 8192 (32-bit Lustre clients),
+ since the NFSv4 export of Lustre filesystem with 4K stack may cause a
+ stack overflow. For more information, please refer to bugzilla 17630.
+ * NFSv4 reexport to 32-bit NFS client nodes requires Lustre client on
+ the re-exporting nodes to be mounted with "32bitapi" mount option
+ * Note for Ubuntu 14.04.5:
+ The 4.4.0 series is the HWE Kernel derived from 16.04 (Xenial).
+ See: https://wiki.ubuntu.com/Kernel/LTSEnablementStack
+