== sanity test 101b: check stride-io mode read-ahead =========================================================================== 05:46:47 (1768301207)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

1.528735s, 5.48729MB/s
Read-ahead success for size 8192

2.402554s, 3.49154MB/s
Read-ahead success for size 16384

2.459973s, 3.41004MB/s
Read-ahead success for size 32768

1.419968s, 5.9076MB/s
Read-ahead success for size 65536

1.849060s, 4.53669MB/s
Read-ahead success for size 131072

1.512547s, 5.54601MB/s
Read-ahead success for size 262144

1.309897s, 6.40402MB/s
Read-ahead success for size 524288

1.286440s, 6.52079MB/s
Read-ahead success for size 1048576