== sanity test 101b: check stride-io mode read-ahead =========================================================================== 23:02:06 (1787886126)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.665795s, 5.0358MB/s
Read-ahead success for size 8192

1.605263s, 5.22569MB/s
Read-ahead success for size 16384

1.932586s, 4.34061MB/s
Read-ahead success for size 32768

1.622145s, 5.17131MB/s
Read-ahead success for size 65536

1.298115s, 6.46215MB/s
Read-ahead success for size 131072

1.187338s, 7.06505MB/s
Read-ahead success for size 262144

1.464526s, 5.72787MB/s
Read-ahead success for size 524288

1.369142s, 6.12691MB/s
Read-ahead success for size 1048576