== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:28:23 (1763404103)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

1.372071s, 6.11383MB/s
Read-ahead success for size 8192

1.187954s, 7.06139MB/s
Read-ahead success for size 16384

1.488986s, 5.63377MB/s
Read-ahead success for size 32768

1.199847s, 6.9914MB/s
Read-ahead success for size 65536

1.115038s, 7.52316MB/s
Read-ahead success for size 131072

1.273327s, 6.58794MB/s
Read-ahead success for size 262144

1.010152s, 8.3043MB/s
Read-ahead success for size 524288

1.242038s, 6.75391MB/s
Read-ahead success for size 1048576