== sanity test 101b: check stride-io mode read-ahead =========================================================================== 15:07:45 (1788203265)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d101b.sanity

1.392563s, 6.02386MB/s
Read-ahead success for size 8192

1.433177s, 5.85316MB/s
Read-ahead success for size 16384

1.521606s, 5.513MB/s
Read-ahead success for size 32768

1.532385s, 5.47422MB/s
Read-ahead success for size 65536

1.488557s, 5.6354MB/s
Read-ahead success for size 131072

1.274266s, 6.58309MB/s
Read-ahead success for size 262144

1.328323s, 6.31519MB/s
Read-ahead success for size 524288

1.485222s, 5.64805MB/s
Read-ahead success for size 1048576