== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:08:30 (1748470110)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.427853s, 19.6063MB/s
Read-ahead success for size 8192

0.392625s, 21.3654MB/s
Read-ahead success for size 16384

0.604403s, 13.8792MB/s
Read-ahead success for size 32768

0.405839s, 20.6698MB/s
Read-ahead success for size 65536

0.458105s, 18.3115MB/s
Read-ahead success for size 131072

0.425301s, 19.7239MB/s
Read-ahead success for size 262144

0.251760s, 33.3199MB/s
Read-ahead success for size 524288

0.353137s, 23.7545MB/s
Read-ahead success for size 1048576