== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:33:06 (1781047986)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.074514s, 112.578MB/s
Read-ahead success for size 8192

0.069870s, 120.06MB/s
Read-ahead success for size 16384

0.097219s, 86.2857MB/s
Read-ahead success for size 32768

0.085356s, 98.2779MB/s
Read-ahead success for size 65536

0.083209s, 100.814MB/s
Read-ahead success for size 131072

0.079551s, 105.449MB/s
Read-ahead success for size 262144

0.081209s, 103.297MB/s
Read-ahead success for size 524288

0.072512s, 115.686MB/s
Read-ahead success for size 1048576