== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:31:06 (1784226666)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.930665s, 9.01356MB/s
Read-ahead success for size 8192

0.970830s, 8.64066MB/s
Read-ahead success for size 16384

1.121908s, 7.47709MB/s
Read-ahead success for size 32768

0.924390s, 9.07475MB/s
Read-ahead success for size 65536

1.002932s, 8.36408MB/s
Read-ahead success for size 131072

0.973397s, 8.61787MB/s
Read-ahead success for size 262144

0.812724s, 10.3216MB/s
Read-ahead success for size 524288

0.712377s, 11.7755MB/s
Read-ahead success for size 1048576