== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:38:45 (1740674325)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.361466s, 23.2072MB/s
Read-ahead success for size 8192

0.339813s, 24.686MB/s
Read-ahead success for size 16384

0.390674s, 21.4721MB/s
Read-ahead success for size 32768

0.339860s, 24.6825MB/s
Read-ahead success for size 65536

0.329756s, 25.4388MB/s
Read-ahead success for size 131072

0.324195s, 25.8752MB/s
Read-ahead success for size 262144

0.309440s, 27.109MB/s
Read-ahead success for size 524288

0.271453s, 30.9026MB/s
Read-ahead success for size 1048576