== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:12:10 (1738955530)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.369662s, 22.6926MB/s
Read-ahead success for size 8192

0.382304s, 21.9422MB/s
Read-ahead success for size 16384

0.391940s, 21.4028MB/s
Read-ahead success for size 32768

0.328845s, 25.5093MB/s
Read-ahead success for size 65536

0.299021s, 28.0536MB/s
Read-ahead success for size 131072

0.283083s, 29.633MB/s
Read-ahead success for size 262144

0.260143s, 32.2461MB/s
Read-ahead success for size 524288

0.245545s, 34.1632MB/s
Read-ahead success for size 1048576