IOCTL and RNMFM should be qualified with versions in the Manual:
IOCTL went away between 2.3 and 2.4, see LU-3279
RNMFM went away between 2.2.90 and 2.2.91, see LU-1331
https://build.hpdd.intel.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.xhtml#dbdoclet.50438273_18711