== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:55:32 (1786402532)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.638639s, 5.11925MB/s
Read-ahead success for size 8192

1.570581s, 5.34109MB/s
Read-ahead success for size 16384

1.940429s, 4.32307MB/s
Read-ahead success for size 32768

1.298332s, 6.46107MB/s
Read-ahead success for size 65536

1.480710s, 5.66526MB/s
Read-ahead success for size 131072

1.075662s, 7.79855MB/s
Read-ahead success for size 262144

1.273057s, 6.58934MB/s
Read-ahead success for size 524288

1.142852s, 7.34007MB/s
Read-ahead success for size 1048576