== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:59:43 (1787698783)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.511392s, 5.55025MB/s
Read-ahead success for size 8192

1.345420s, 6.23494MB/s
Read-ahead success for size 16384

2.112469s, 3.971MB/s
Read-ahead success for size 32768

1.585845s, 5.28968MB/s
Read-ahead success for size 65536

1.269841s, 6.60603MB/s
Read-ahead success for size 131072

1.443023s, 5.81322MB/s
Read-ahead success for size 262144

1.137664s, 7.37354MB/s
Read-ahead success for size 524288

1.451969s, 5.7774MB/s
Read-ahead success for size 1048576