== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:48:28 (1771969708)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.058866s, 142.503MB/s
Read-ahead success for size 8192

0.056485s, 148.51MB/s
Read-ahead success for size 16384

0.064842s, 129.37MB/s
Read-ahead success for size 32768

0.061215s, 137.035MB/s
Read-ahead success for size 65536

0.058990s, 142.204MB/s
Read-ahead success for size 131072

0.063926s, 131.224MB/s
Read-ahead success for size 262144

0.074069s, 113.254MB/s
Read-ahead success for size 524288

0.073873s, 113.554MB/s
Read-ahead success for size 1048576