== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:06:22 (1783645582)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.514061s, 16.3183MB/s
Read-ahead success for size 8192

0.503946s, 16.6458MB/s
Read-ahead success for size 16384

0.582539s, 14.4001MB/s
Read-ahead success for size 32768

0.544162s, 15.4156MB/s
Read-ahead success for size 65536

0.482357s, 17.3909MB/s
Read-ahead success for size 131072

0.485116s, 17.292MB/s
Read-ahead success for size 262144

0.434579s, 19.3028MB/s
Read-ahead success for size 524288

0.451559s, 18.577MB/s
Read-ahead success for size 1048576