== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:27:35 (1776180455)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.388469s, 21.594MB/s
Read-ahead success for size 8192

0.297254s, 28.2203MB/s
Read-ahead success for size 16384

0.380257s, 22.0604MB/s
Read-ahead success for size 32768

0.335096s, 25.0334MB/s
Read-ahead success for size 65536

0.272449s, 30.7896MB/s
Read-ahead success for size 131072

0.301445s, 27.828MB/s
Read-ahead success for size 262144

0.268813s, 31.2061MB/s
Read-ahead success for size 524288

0.248521s, 33.7541MB/s
Read-ahead success for size 1048576