== sanity test 101b: check stride-io mode read-ahead =========================================================================== 23:36:29 (1746156989)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.767497s, 10.9298MB/s
Read-ahead success for size 8192

0.721331s, 11.6293MB/s
Read-ahead success for size 16384

0.696545s, 12.0432MB/s
Read-ahead success for size 32768

0.674229s, 12.4418MB/s
Read-ahead success for size 65536

0.607470s, 13.8091MB/s
Read-ahead success for size 131072

0.711384s, 11.792MB/s
Read-ahead success for size 262144

0.636173s, 13.186MB/s
Read-ahead success for size 524288

0.499732s, 16.7862MB/s
Read-ahead success for size 1048576