== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:28:52 (1746127732)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.677191s, 12.3874MB/s
Read-ahead success for size 8192

0.699734s, 11.9883MB/s
Read-ahead success for size 16384

0.766273s, 10.9473MB/s
Read-ahead success for size 32768

0.697890s, 12.02MB/s
Read-ahead success for size 65536

0.569158s, 14.7386MB/s
Read-ahead success for size 131072

0.542437s, 15.4647MB/s
Read-ahead success for size 262144

0.478030s, 17.5483MB/s
Read-ahead success for size 524288

0.468677s, 17.8985MB/s
Read-ahead success for size 1048576