== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:37:45 (1784234265)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.734913s, 11.4144MB/s
Read-ahead success for size 8192

0.617365s, 13.5878MB/s
Read-ahead success for size 16384

0.730960s, 11.4762MB/s
Read-ahead success for size 32768

0.668774s, 12.5433MB/s
Read-ahead success for size 65536

0.567422s, 14.7837MB/s
Read-ahead success for size 131072

0.583095s, 14.3863MB/s
Read-ahead success for size 262144

0.504088s, 16.6412MB/s
Read-ahead success for size 524288

0.476948s, 17.5881MB/s
Read-ahead success for size 1048576