== sanity test 101b: check stride-io mode read-ahead =========================================================================== 03:23:10 (1782631390)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

0.491582s, 17.0645MB/s
Read-ahead success for size 8192

0.507585s, 16.5265MB/s
Read-ahead success for size 16384

0.543354s, 15.4386MB/s
Read-ahead success for size 32768

0.546660s, 15.3452MB/s
Read-ahead success for size 65536

0.497069s, 16.8761MB/s
Read-ahead success for size 131072

0.429024s, 19.5528MB/s
Read-ahead success for size 262144

0.424195s, 19.7754MB/s
Read-ahead success for size 524288

0.425135s, 19.7316MB/s
Read-ahead success for size 1048576