== sanity test 101b: check stride-io mode read-ahead =========================================================================== 22:42:12 (1789440132)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.496600s, 5.60511MB/s
Read-ahead success for size 8192

1.653769s, 5.07242MB/s
Read-ahead success for size 16384

1.609615s, 5.21156MB/s
Read-ahead success for size 32768

1.710618s, 4.90385MB/s
Read-ahead success for size 65536

1.393766s, 6.01866MB/s
Read-ahead success for size 131072

1.293872s, 6.48334MB/s
Read-ahead success for size 262144

1.459305s, 5.74836MB/s
Read-ahead success for size 524288

1.244151s, 6.74244MB/s
Read-ahead success for size 1048576