== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:17:37 (1781227057)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.347073s, 3.57407MB/s
Read-ahead success for size 8192

2.021346s, 4.15001MB/s
Read-ahead success for size 16384

2.677067s, 3.13351MB/s
Read-ahead success for size 32768

2.037712s, 4.11668MB/s
Read-ahead success for size 65536

1.541998s, 5.44009MB/s
Read-ahead success for size 131072

1.995701s, 4.20334MB/s
Read-ahead success for size 262144

1.414495s, 5.93046MB/s
Read-ahead success for size 524288

1.620692s, 5.17594MB/s
Read-ahead success for size 1048576