== sanity test 101b: check stride-io mode read-ahead =========================================================================== 20:36:13 (1780965373)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.379529s, 22.1027MB/s
Read-ahead success for size 8192

0.288715s, 29.055MB/s
Read-ahead success for size 16384

0.290150s, 28.9113MB/s
Read-ahead success for size 32768

0.299100s, 28.0462MB/s
Read-ahead success for size 65536

0.414235s, 20.2508MB/s
Read-ahead success for size 131072

0.493835s, 16.9867MB/s
Read-ahead success for size 262144

0.341967s, 24.5305MB/s
Read-ahead success for size 524288

0.375284s, 22.3527MB/s
Read-ahead success for size 1048576