== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:23:07 (1753744987)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

1.113312s, 7.53482MB/s
Read-ahead success for size 8192

1.125634s, 7.45234MB/s
Read-ahead success for size 16384

1.149173s, 7.29969MB/s
Read-ahead success for size 32768

1.050427s, 7.9859MB/s
Read-ahead success for size 65536

0.940861s, 8.91588MB/s
Read-ahead success for size 131072

0.716951s, 11.7004MB/s
Read-ahead success for size 262144

1.054074s, 7.95827MB/s
Read-ahead success for size 524288

0.811407s, 10.3383MB/s
Read-ahead success for size 1048576