== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:30:19 (1746127819)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.950971s, 8.8211MB/s
Read-ahead success for size 8192

1.050374s, 7.98631MB/s
Read-ahead success for size 16384

1.022180s, 8.20659MB/s
Read-ahead success for size 32768

0.952638s, 8.80566MB/s
Read-ahead success for size 65536

0.687214s, 12.2067MB/s
Read-ahead success for size 131072

0.652026s, 12.8655MB/s
Read-ahead success for size 262144

0.553557s, 15.154MB/s
Read-ahead success for size 524288

0.595230s, 14.0931MB/s
Read-ahead success for size 1048576