== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:51:45 (1756677105)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.583907s, 14.3663MB/s
Read-ahead success for size 8192

0.671353s, 12.4951MB/s
Read-ahead success for size 16384

0.803536s, 10.4396MB/s
Read-ahead success for size 32768

0.600192s, 13.9765MB/s
Read-ahead success for size 65536

0.526896s, 15.9208MB/s
Read-ahead success for size 131072

0.654352s, 12.8197MB/s
Read-ahead success for size 262144

0.444323s, 18.8795MB/s
Read-ahead success for size 524288

0.458469s, 18.297MB/s
Read-ahead success for size 1048576