== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:35:59 (1787852159)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.607141s, 5.21958MB/s
Read-ahead success for size 8192

1.273380s, 6.58767MB/s
Read-ahead success for size 16384

2.067799s, 4.05678MB/s
Read-ahead success for size 32768

1.914635s, 4.38131MB/s
Read-ahead success for size 65536

1.610349s, 5.20919MB/s
Read-ahead success for size 131072

1.947846s, 4.30661MB/s
Read-ahead success for size 262144

1.827743s, 4.5896MB/s
Read-ahead success for size 524288

1.798428s, 4.66441MB/s
Read-ahead success for size 1048576