== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:23:49 (1761240229)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

1.610929s, 5.20731MB/s
Read-ahead success for size 8192

1.615728s, 5.19184MB/s
Read-ahead success for size 16384

1.969017s, 4.2603MB/s
Read-ahead success for size 32768

1.041920s, 8.05111MB/s
Read-ahead success for size 65536

0.900818s, 9.31221MB/s
Read-ahead success for size 131072

0.784225s, 10.6967MB/s
Read-ahead success for size 262144

0.759405s, 11.0463MB/s
Read-ahead success for size 524288

0.849360s, 9.87639MB/s
Read-ahead success for size 1048576