== sanity test 101b: check stride-io mode read-ahead =========================================================================== 07:11:05 (1717153865)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.056817s, 147.643MB/s
Read-ahead success for size 8192

0.057012s, 147.138MB/s
Read-ahead success for size 16384

0.056530s, 148.392MB/s
Read-ahead success for size 32768

0.057591s, 145.658MB/s
Read-ahead success for size 65536

0.055718s, 150.555MB/s
Read-ahead success for size 131072

0.060733s, 138.123MB/s
Read-ahead success for size 262144

0.053532s, 156.703MB/s
Read-ahead success for size 524288

0.066343s, 126.443MB/s
Read-ahead success for size 1048576