== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:21:40 (1745457700)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.339687s, 24.6951MB/s
Read-ahead success for size 8192

0.352601s, 23.7907MB/s
Read-ahead success for size 16384

0.343581s, 24.4152MB/s
Read-ahead success for size 32768

0.347908s, 24.1116MB/s
Read-ahead success for size 65536

0.297074s, 28.2374MB/s
Read-ahead success for size 131072

0.269022s, 31.1819MB/s
Read-ahead success for size 262144

0.258648s, 32.4325MB/s
Read-ahead success for size 524288

0.254086s, 33.0148MB/s
Read-ahead success for size 1048576