== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:16:26 (1781212586)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.936217s, 4.33247MB/s
Read-ahead success for size 8192

2.154588s, 3.89337MB/s
Read-ahead success for size 16384

2.397875s, 3.49835MB/s
Read-ahead success for size 32768

2.111361s, 3.97308MB/s
Read-ahead success for size 65536

1.214619s, 6.90637MB/s
Read-ahead success for size 131072

0.773649s, 10.8429MB/s
Read-ahead success for size 262144

1.162399s, 7.21663MB/s
Read-ahead success for size 524288

1.464633s, 5.72745MB/s
Read-ahead success for size 1048576