== sanity test 101b: check stride-io mode read-ahead =========================================================================== 22:55:43 (1746068143)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

1.092912s, 7.67547MB/s
Read-ahead success for size 8192

0.967381s, 8.67146MB/s
Read-ahead success for size 16384

0.901983s, 9.30018MB/s
Read-ahead success for size 32768

0.804330s, 10.4293MB/s
Read-ahead success for size 65536

0.788514s, 10.6385MB/s
Read-ahead success for size 131072

0.606334s, 13.835MB/s
Read-ahead success for size 262144

0.556820s, 15.0652MB/s
Read-ahead success for size 524288

0.568583s, 14.7535MB/s
Read-ahead success for size 1048576