== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:25:30 (1772468730)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.666899s, 12.5785MB/s
Read-ahead success for size 8192

0.618490s, 13.563MB/s
Read-ahead success for size 16384

0.708339s, 11.8426MB/s
Read-ahead success for size 32768

0.648820s, 12.929MB/s
Read-ahead success for size 65536

0.553568s, 15.1537MB/s
Read-ahead success for size 131072

0.543457s, 15.4356MB/s
Read-ahead success for size 262144

0.500545s, 16.7589MB/s
Read-ahead success for size 524288

0.486855s, 17.2302MB/s
Read-ahead success for size 1048576