== sanity test 101b: check stride-io mode read-ahead =========================================================================== 16:11:47 (1746130307)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.833498s, 10.0643MB/s
Read-ahead success for size 8192

0.705134s, 11.8965MB/s
Read-ahead success for size 16384

0.815742s, 10.2834MB/s
Read-ahead success for size 32768

0.693348s, 12.0987MB/s
Read-ahead success for size 65536

0.615780s, 13.6227MB/s
Read-ahead success for size 131072

0.583347s, 14.3801MB/s
Read-ahead success for size 262144

0.561213s, 14.9473MB/s
Read-ahead success for size 524288

0.483027s, 17.3667MB/s
Read-ahead success for size 1048576