== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:26:43 (1790774803)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.256399s, 6.67671MB/s
Read-ahead success for size 8192

1.469015s, 5.71036MB/s
Read-ahead success for size 16384

1.605047s, 5.22639MB/s
Read-ahead success for size 32768

1.389026s, 6.0392MB/s
Read-ahead success for size 65536

1.469987s, 5.70659MB/s
Read-ahead success for size 131072

1.183825s, 7.08602MB/s
Read-ahead success for size 262144

1.136826s, 7.37897MB/s
Read-ahead success for size 524288

1.229687s, 6.82174MB/s
Read-ahead success for size 1048576