== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:43:01 (1787442181)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.416386s, 5.92254MB/s
Read-ahead success for size 8192

1.623464s, 5.1671MB/s
Read-ahead success for size 16384

1.649657s, 5.08506MB/s
Read-ahead success for size 32768

1.285192s, 6.52712MB/s
Read-ahead success for size 65536

1.326864s, 6.32213MB/s
Read-ahead success for size 131072

1.197769s, 7.00353MB/s
Read-ahead success for size 262144

1.188943s, 7.05552MB/s
Read-ahead success for size 524288

1.041674s, 8.05301MB/s
Read-ahead success for size 1048576