== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:19:07 (1782487147)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.419107s, 5.91119MB/s
Read-ahead success for size 8192

1.220107s, 6.87531MB/s
Read-ahead success for size 16384

0.922367s, 9.09465MB/s
Read-ahead success for size 32768

1.018293s, 8.23791MB/s
Read-ahead success for size 65536

0.938000s, 8.94308MB/s
Read-ahead success for size 131072

1.010795s, 8.29902MB/s
Read-ahead success for size 262144

0.933684s, 8.98442MB/s
Read-ahead success for size 524288

0.862988s, 9.72042MB/s
Read-ahead success for size 1048576