== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:26:33 (1746127593)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.925386s, 9.06498MB/s
Read-ahead success for size 8192

0.904902s, 9.27018MB/s
Read-ahead success for size 16384

0.856673s, 9.79208MB/s
Read-ahead success for size 32768

1.080990s, 7.76012MB/s
Read-ahead success for size 65536

0.781324s, 10.7364MB/s
Read-ahead success for size 131072

0.772514s, 10.8588MB/s
Read-ahead success for size 262144

0.655912s, 12.7892MB/s
Read-ahead success for size 524288

0.557823s, 15.0381MB/s
Read-ahead success for size 1048576