== sanity test 101b: check stride-io mode read-ahead =========================================================================== 04:15:56 (1712477756)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

8.673849s, 0.967115MB/s
Read-ahead success for size 8192

8.123748s, 1.0326MB/s
Read-ahead success for size 16384

7.995483s, 1.04917MB/s
Read-ahead success for size 32768

6.434119s, 1.30377MB/s
Read-ahead success for size 65536

7.316800s, 1.14649MB/s
Read-ahead success for size 131072

7.688126s, 1.09111MB/s
Read-ahead success for size 262144

7.142751s, 1.17442MB/s
Read-ahead success for size 524288

6.513506s, 1.28788MB/s
Read-ahead success for size 1048576