== sanity test 101b: check stride-io mode read-ahead =========================================================================== 12:27:10 (1744129630)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.396826s, 21.1393MB/s
Read-ahead success for size 8192

0.374593s, 22.3939MB/s
Read-ahead success for size 16384

0.378182s, 22.1814MB/s
Read-ahead success for size 32768

0.325069s, 25.8056MB/s
Read-ahead success for size 65536

0.284958s, 29.4381MB/s
Read-ahead success for size 131072

0.277515s, 30.2276MB/s
Read-ahead success for size 262144

0.278836s, 30.0844MB/s
Read-ahead success for size 524288

0.265604s, 31.5831MB/s
Read-ahead success for size 1048576