== sanity test 101b: check stride-io mode read-ahead =========================================================================== 07:44:27 (1787571867)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.039075s, 4.11393MB/s
Read-ahead success for size 8192

2.094129s, 4.00577MB/s
Read-ahead success for size 16384

2.169451s, 3.8667MB/s
Read-ahead success for size 32768

1.928355s, 4.35014MB/s
Read-ahead success for size 65536

1.418895s, 5.91207MB/s
Read-ahead success for size 131072

1.472936s, 5.69516MB/s
Read-ahead success for size 262144

1.494394s, 5.61338MB/s
Read-ahead success for size 524288

1.679458s, 4.99483MB/s
Read-ahead success for size 1048576