== sanity test 101b: check stride-io mode read-ahead =========================================================================== 08:49:52 (1748868592)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.351813s, 23.8439MB/s
Read-ahead success for size 8192

0.334193s, 25.1011MB/s
Read-ahead success for size 16384

0.359882s, 23.3093MB/s
Read-ahead success for size 32768

0.365764s, 22.9345MB/s
Read-ahead success for size 65536

0.314203s, 26.6981MB/s
Read-ahead success for size 131072

0.290143s, 28.912MB/s
Read-ahead success for size 262144

0.268266s, 31.2697MB/s
Read-ahead success for size 524288

0.271817s, 30.8612MB/s
Read-ahead success for size 1048576