== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:19:45 (1775168385)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.998086s, 8.40469MB/s
Read-ahead success for size 8192

1.012851s, 8.28217MB/s
Read-ahead success for size 16384

1.053207s, 7.96482MB/s
Read-ahead success for size 32768

1.028699s, 8.15458MB/s
Read-ahead success for size 65536

0.942218s, 8.90304MB/s
Read-ahead success for size 131072

0.930838s, 9.01189MB/s
Read-ahead success for size 262144

0.699453s, 11.9931MB/s
Read-ahead success for size 524288

0.684762s, 12.2504MB/s
Read-ahead success for size 1048576