== sanity test 101b: check stride-io mode read-ahead =========================================================================== 08:05:24 (1746792324)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.387830s, 21.6296MB/s
Read-ahead success for size 8192

0.357004s, 23.4972MB/s
Read-ahead success for size 16384

0.395829s, 21.1925MB/s
Read-ahead success for size 32768

0.374230s, 22.4156MB/s
Read-ahead success for size 65536

0.311360s, 26.9418MB/s
Read-ahead success for size 131072

0.302375s, 27.7424MB/s
Read-ahead success for size 262144

0.321980s, 26.0532MB/s
Read-ahead success for size 524288

0.292977s, 28.6323MB/s
Read-ahead success for size 1048576