== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:39:16 (1788536356)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.005881s, 4.18201MB/s
Read-ahead success for size 8192

1.808437s, 4.6386MB/s
Read-ahead success for size 16384

3.222543s, 2.6031MB/s
Read-ahead success for size 32768

1.847905s, 4.53952MB/s
Read-ahead success for size 65536

1.477189s, 5.67876MB/s
Read-ahead success for size 131072

1.913877s, 4.38304MB/s
Read-ahead success for size 262144

0.962577s, 8.71474MB/s
Read-ahead success for size 524288

1.895614s, 4.42527MB/s
Read-ahead success for size 1048576