== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:17:19 (1761311839)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.244814s, 34.2652MB/s
Read-ahead success for size 8192

0.219607s, 38.1983MB/s
Read-ahead success for size 16384

0.214641s, 39.082MB/s
Read-ahead success for size 32768

0.269448s, 31.1326MB/s
Read-ahead success for size 65536

0.294390s, 28.4949MB/s
Read-ahead success for size 131072

0.309013s, 27.1465MB/s
Read-ahead success for size 262144

0.300409s, 27.924MB/s
Read-ahead success for size 524288

0.234148s, 35.8261MB/s
Read-ahead success for size 1048576