== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:29:25 (1758824965)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.502178s, 16.7045MB/s
Read-ahead success for size 8192

0.494690s, 16.9573MB/s
Read-ahead success for size 16384

0.499589s, 16.791MB/s
Read-ahead success for size 32768

0.632904s, 13.2542MB/s
Read-ahead success for size 65536

0.503726s, 16.6531MB/s
Read-ahead success for size 131072

0.482519s, 17.385MB/s
Read-ahead success for size 262144

0.423178s, 19.8229MB/s
Read-ahead success for size 524288

0.399089s, 21.0194MB/s
Read-ahead success for size 1048576