== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:46:01 (1780325161)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.576977s, 14.5389MB/s
Read-ahead success for size 8192

0.552241s, 15.1901MB/s
Read-ahead success for size 16384

0.601818s, 13.9388MB/s
Read-ahead success for size 32768

0.611307s, 13.7224MB/s
Read-ahead success for size 65536

0.560164s, 14.9753MB/s
Read-ahead success for size 131072

0.516371s, 16.2453MB/s
Read-ahead success for size 262144

0.471223s, 17.8018MB/s
Read-ahead success for size 524288

0.475352s, 17.6471MB/s
Read-ahead success for size 1048576