== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:30:05 (1759843805)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.065463s, 128.143MB/s
Read-ahead success for size 8192

0.063045s, 133.057MB/s
Read-ahead success for size 16384

0.066178s, 126.758MB/s
Read-ahead success for size 32768

0.065728s, 127.626MB/s
Read-ahead success for size 65536

0.060319s, 139.071MB/s
Read-ahead success for size 131072

0.056912s, 147.396MB/s
Read-ahead success for size 262144

0.064731s, 129.592MB/s
Read-ahead success for size 524288

0.066211s, 126.695MB/s
Read-ahead success for size 1048576