== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:49:38 (1787788178)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.782663s, 4.70566MB/s
Read-ahead success for size 8192

1.708201s, 4.91079MB/s
Read-ahead success for size 16384

1.996894s, 4.20083MB/s
Read-ahead success for size 32768

1.867235s, 4.49253MB/s
Read-ahead success for size 65536

1.542492s, 5.43835MB/s
Read-ahead success for size 131072

1.100653s, 7.62148MB/s
Read-ahead success for size 262144

1.146800s, 7.3148MB/s
Read-ahead success for size 524288

1.158895s, 7.23845MB/s
Read-ahead success for size 1048576