== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:01:42 (1763337702)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

1.514813s, 5.53772MB/s
Read-ahead success for size 8192

1.623040s, 5.16845MB/s
Read-ahead success for size 16384

1.889832s, 4.43881MB/s
Read-ahead success for size 32768

1.420530s, 5.90527MB/s
Read-ahead success for size 65536

1.236143s, 6.78611MB/s
Read-ahead success for size 131072

1.016023s, 8.25632MB/s
Read-ahead success for size 262144

0.890033s, 9.42505MB/s
Read-ahead success for size 524288

1.024626s, 8.187MB/s
Read-ahead success for size 1048576