== sanity test 24s: mkdir .../R15a/b/c; rename .../R15a .../R15a/b/c =========================================================== 05:27:04 (1743499624)
striped dir -i0 -c2 -H crush2 /mnt/lustre/R15a
striped dir -i0 -c2 -H all_char /mnt/lustre/R15a/b
striped dir -i0 -c2 -H crush2 /mnt/lustre/R15a/b/c
rename '/mnt/lustre/R15a' returned -1: Invalid argument
/mnt/lustre/R15a has type dir OK
/mnt/lustre/R15a/b/c has type dir OK