== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:46:13 (1790102773)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.079968s, 4.03305MB/s
Read-ahead success for size 8192

1.815922s, 4.61948MB/s
Read-ahead success for size 16384

2.016256s, 4.16049MB/s
Read-ahead success for size 32768

1.745630s, 4.80549MB/s
Read-ahead success for size 65536

2.052784s, 4.08645MB/s
Read-ahead success for size 131072

1.788466s, 4.69039MB/s
Read-ahead success for size 262144

1.472423s, 5.69715MB/s
Read-ahead success for size 524288

1.359528s, 6.17024MB/s
Read-ahead success for size 1048576