== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:25:03 (1761315903)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.460009s, 18.2357MB/s
Read-ahead success for size 8192

0.221933s, 37.7979MB/s
Read-ahead success for size 16384

0.233253s, 35.9636MB/s
Read-ahead success for size 32768

0.248943s, 33.6969MB/s
Read-ahead success for size 65536

0.292746s, 28.6549MB/s
Read-ahead success for size 131072

0.362747s, 23.1252MB/s
Read-ahead success for size 262144

0.302187s, 27.7597MB/s
Read-ahead success for size 524288

0.275268s, 30.4743MB/s
Read-ahead success for size 1048576