== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:23:00 (1775863380)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.497427s, 16.864MB/s
Read-ahead success for size 8192

0.542769s, 15.4552MB/s
Read-ahead success for size 16384

0.549285s, 15.2719MB/s
Read-ahead success for size 32768

0.522577s, 16.0524MB/s
Read-ahead success for size 65536

0.444501s, 18.872MB/s
Read-ahead success for size 131072

0.435868s, 19.2458MB/s
Read-ahead success for size 262144

0.415410s, 20.1936MB/s
Read-ahead success for size 524288

0.401074s, 20.9154MB/s
Read-ahead success for size 1048576