== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:35:23 (1761320123)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.214272s, 39.1493MB/s
Read-ahead success for size 8192

0.185334s, 45.2621MB/s
Read-ahead success for size 16384

0.220419s, 38.0576MB/s
Read-ahead success for size 32768

0.145684s, 57.5808MB/s
Read-ahead success for size 65536

0.199066s, 42.1398MB/s
Read-ahead success for size 131072

0.265430s, 31.6038MB/s
Read-ahead success for size 262144

0.216936s, 38.6686MB/s
Read-ahead success for size 524288

0.232740s, 36.0428MB/s
Read-ahead success for size 1048576