== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:30:42 (1774877442)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

1.744495s, 4.80862MB/s
Read-ahead success for size 8192

1.860095s, 4.50977MB/s
Read-ahead success for size 16384

1.926540s, 4.35424MB/s
Read-ahead success for size 32768

1.467467s, 5.71639MB/s
Read-ahead success for size 65536

0.944781s, 8.87889MB/s
Read-ahead success for size 131072

1.514328s, 5.53949MB/s
Read-ahead success for size 262144

1.106629s, 7.58033MB/s
Read-ahead success for size 524288

1.491303s, 5.62502MB/s
Read-ahead success for size 1048576