== sanity test 101b: check stride-io mode read-ahead =========================================================================== 08:09:36 (1743509376)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.419540s, 19.9948MB/s
Read-ahead success for size 8192

0.612794s, 13.6891MB/s
Read-ahead success for size 16384

0.474656s, 17.673MB/s
Read-ahead success for size 32768

0.444129s, 18.8878MB/s
Read-ahead success for size 65536

0.421639s, 19.8952MB/s
Read-ahead success for size 131072

0.389780s, 21.5214MB/s
Read-ahead success for size 262144

0.258964s, 32.393MB/s
Read-ahead success for size 524288

0.293543s, 28.5771MB/s
Read-ahead success for size 1048576