== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:59:47 (1772467187)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

1.602239s, 5.23555MB/s
Read-ahead success for size 8192

1.536616s, 5.45914MB/s
Read-ahead success for size 16384

1.273032s, 6.58947MB/s
Read-ahead success for size 32768

1.308445s, 6.41113MB/s
Read-ahead success for size 65536

1.208016s, 6.94412MB/s
Read-ahead success for size 131072

1.082395s, 7.75004MB/s
Read-ahead success for size 262144

1.047084s, 8.0114MB/s
Read-ahead success for size 524288

0.901998s, 9.30003MB/s
Read-ahead success for size 1048576