== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:05:44 (1747400744)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.097359s, 86.1616MB/s
Read-ahead success for size 8192

0.093366s, 89.8465MB/s
Read-ahead success for size 16384

0.098984s, 84.7471MB/s
Read-ahead success for size 32768

0.110985s, 75.5833MB/s
Read-ahead success for size 65536

0.116976s, 71.7122MB/s
Read-ahead success for size 131072

0.094167s, 89.0822MB/s
Read-ahead success for size 262144

0.103570s, 80.9946MB/s
Read-ahead success for size 524288

0.100049s, 83.845MB/s
Read-ahead success for size 1048576