== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:47:11 (1751320031)
striped dir -i1 -c2 -H crush /mnt/lustre/d101b.sanity

0.094440s, 88.8247MB/s
Read-ahead success for size 8192

0.087258s, 96.1357MB/s
Read-ahead success for size 16384

0.087137s, 96.2692MB/s
Read-ahead success for size 32768

0.088898s, 94.3622MB/s
Read-ahead success for size 65536

0.087858s, 95.4792MB/s
Read-ahead success for size 131072

0.086800s, 96.6429MB/s
Read-ahead success for size 262144

0.092833s, 90.3623MB/s
Read-ahead success for size 524288

0.090600s, 92.5895MB/s
Read-ahead success for size 1048576