== sanity test 101b: check stride-io mode read-ahead =========================================================================== 22:50:35 (1784083835)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.595138s, 14.0952MB/s
Read-ahead success for size 8192

0.584276s, 14.3573MB/s
Read-ahead success for size 16384

0.594112s, 14.1196MB/s
Read-ahead success for size 32768

0.563523s, 14.886MB/s
Read-ahead success for size 65536

0.487624s, 17.203MB/s
Read-ahead success for size 131072

0.456101s, 18.392MB/s
Read-ahead success for size 262144

0.425756s, 19.7029MB/s
Read-ahead success for size 524288

0.456177s, 18.3889MB/s
Read-ahead success for size 1048576