== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:45:59 (1733165159)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

6.578890s, 1.27508MB/s
Read-ahead success for size 8192

9.006965s, 0.931347MB/s
Read-ahead success for size 16384

8.412862s, 0.997117MB/s
Read-ahead success for size 32768

10.104518s, 0.830184MB/s
Read-ahead success for size 65536

9.669791s, 0.867507MB/s
Read-ahead success for size 131072

9.441383s, 0.888494MB/s
Read-ahead success for size 262144

9.703229s, 0.864517MB/s
Read-ahead success for size 524288

8.568173s, 0.979043MB/s
Read-ahead success for size 1048576