== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:21:38 (1787584898)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.882442s, 4.45624MB/s
Read-ahead success for size 8192

1.667552s, 5.03049MB/s
Read-ahead success for size 16384

2.147701s, 3.90585MB/s
Read-ahead success for size 32768

1.913392s, 4.38416MB/s
Read-ahead success for size 65536

1.587195s, 5.28518MB/s
Read-ahead success for size 131072

1.557314s, 5.38659MB/s
Read-ahead success for size 262144

1.427291s, 5.87729MB/s
Read-ahead success for size 524288

1.218255s, 6.88576MB/s
Read-ahead success for size 1048576