== sanity test 101b: check stride-io mode read-ahead =========================================================================== 12:15:18 (1777911318)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.592314s, 14.1624MB/s
Read-ahead success for size 8192

0.627743s, 13.3631MB/s
Read-ahead success for size 16384

0.659214s, 12.7252MB/s
Read-ahead success for size 32768

0.716603s, 11.7061MB/s
Read-ahead success for size 65536

0.582316s, 14.4056MB/s
Read-ahead success for size 131072

0.515409s, 16.2756MB/s
Read-ahead success for size 262144

0.466225s, 17.9926MB/s
Read-ahead success for size 524288

0.471275s, 17.7998MB/s
Read-ahead success for size 1048576