== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:44:45 (1787697885)
striped dir -i1 -c2 -H crush2  /mnt/lustre/d101b.sanity

0.508636s, 16.4924MB/s
Read-ahead success for size 8192

0.507478s, 16.53MB/s
Read-ahead success for size 16384

0.573326s, 14.6315MB/s
Read-ahead success for size 32768

0.486838s, 17.2308MB/s
Read-ahead success for size 65536

0.441287s, 19.0094MB/s
Read-ahead success for size 131072

0.422594s, 19.8503MB/s
Read-ahead success for size 262144

0.426029s, 19.6902MB/s
Read-ahead success for size 524288

0.407150s, 20.6032MB/s
Read-ahead success for size 1048576