== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:19:36 (1776190776)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.372336s, 22.5297MB/s
Read-ahead success for size 8192

0.240032s, 34.9479MB/s
Read-ahead success for size 16384

0.336755s, 24.9101MB/s
Read-ahead success for size 32768

0.310394s, 27.0257MB/s
Read-ahead success for size 65536

0.367720s, 22.8125MB/s
Read-ahead success for size 131072

0.337847s, 24.8296MB/s
Read-ahead success for size 262144

0.328047s, 25.5714MB/s
Read-ahead success for size 524288

0.247184s, 33.9367MB/s
Read-ahead success for size 1048576