== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:14:51 (1787858091)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.343005s, 6.24615MB/s
Read-ahead success for size 8192

1.637729s, 5.1221MB/s
Read-ahead success for size 16384

1.657683s, 5.06044MB/s
Read-ahead success for size 32768

1.605947s, 5.22347MB/s
Read-ahead success for size 65536

1.216754s, 6.89425MB/s
Read-ahead success for size 131072

1.324842s, 6.33178MB/s
Read-ahead success for size 262144

1.344462s, 6.23938MB/s
Read-ahead success for size 524288

1.108232s, 7.56936MB/s
Read-ahead success for size 1048576