== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:07:16 (1730822836)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.053925s, 155.561MB/s
Read-ahead success for size 8192

0.053452s, 156.937MB/s
Read-ahead success for size 16384

0.051713s, 162.215MB/s
Read-ahead success for size 32768

0.054440s, 154.089MB/s
Read-ahead success for size 65536

0.051639s, 162.447MB/s
Read-ahead success for size 131072

0.052674s, 159.255MB/s
Read-ahead success for size 262144

0.057542s, 145.782MB/s
Read-ahead success for size 524288

0.058185s, 144.171MB/s
Read-ahead success for size 1048576