== sanity test 101b: check stride-io mode read-ahead =========================================================================== 12:35:54 (1721406954)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.099033s, 84.7052MB/s
Read-ahead success for size 8192

0.077670s, 108.003MB/s
Read-ahead success for size 16384

0.072217s, 116.158MB/s
Read-ahead success for size 32768

0.095523s, 87.8177MB/s
Read-ahead success for size 65536

0.093482s, 89.735MB/s
Read-ahead success for size 131072

0.089232s, 94.009MB/s
Read-ahead success for size 262144

0.099867s, 83.9978MB/s
Read-ahead success for size 524288

0.113899s, 73.6495MB/s
Read-ahead success for size 1048576