== sanity test 24t: mkdir .../R16a/b/c; rename .../R16a/b/c .../R16a =========================================================== 00:03:02 (1746072182)
rename '/mnt/lustre/R16a/b/c' returned -1: Directory not empty
/mnt/lustre/R16a has type dir OK
/mnt/lustre/R16a/b/c has type dir OK