== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:30:22 (1788910222)
striped dir -i1 -c2 -H all_char  /mnt/lustre/d101b.sanity

0.628617s, 13.3445MB/s
Read-ahead success for size 8192

0.672829s, 12.4677MB/s
Read-ahead success for size 16384

0.877296s, 9.56189MB/s
Read-ahead success for size 32768

0.717033s, 11.6991MB/s
Read-ahead success for size 65536

0.638507s, 13.1378MB/s
Read-ahead success for size 131072

0.675841s, 12.4121MB/s
Read-ahead success for size 262144

0.636694s, 13.1753MB/s
Read-ahead success for size 524288

0.684985s, 12.2464MB/s
Read-ahead success for size 1048576