== sanity test 101b: check stride-io mode read-ahead =========================================================================== 20:02:50 (1718928170)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.059146s, 141.829MB/s
Read-ahead success for size 8192

0.052667s, 159.276MB/s
Read-ahead success for size 16384

0.067894s, 123.554MB/s
Read-ahead success for size 32768

0.055839s, 150.228MB/s
Read-ahead success for size 65536

0.050705s, 165.439MB/s
Read-ahead success for size 131072

0.052248s, 160.554MB/s
Read-ahead success for size 262144

0.053049s, 158.129MB/s
Read-ahead success for size 524288

0.054642s, 153.519MB/s
Read-ahead success for size 1048576