== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:09:45 (1775833785)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.493511s, 16.9978MB/s
Read-ahead success for size 8192

0.567723s, 14.7759MB/s
Read-ahead success for size 16384

0.607202s, 13.8152MB/s
Read-ahead success for size 32768

0.547650s, 15.3175MB/s
Read-ahead success for size 65536

0.476797s, 17.5937MB/s
Read-ahead success for size 131072

0.424917s, 19.7418MB/s
Read-ahead success for size 262144

0.431336s, 19.448MB/s
Read-ahead success for size 524288

0.472661s, 17.7476MB/s
Read-ahead success for size 1048576