== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:19:39 (1708827579)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.244071s, 34.3695MB/s
Read-ahead success for size 8192

0.221742s, 37.8305MB/s
Read-ahead success for size 16384

0.192387s, 43.6028MB/s
Read-ahead success for size 32768

0.200160s, 41.9095MB/s
Read-ahead success for size 65536

0.205039s, 40.9123MB/s
Read-ahead success for size 131072

0.229459s, 36.5582MB/s
Read-ahead success for size 262144

0.243300s, 34.4785MB/s
Read-ahead success for size 524288

0.292924s, 28.6375MB/s
Read-ahead success for size 1048576