== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:04:19 (1774530259)
striped dir -i1 -c2 -H crush /mnt/lustre/d101b.sanity

0.113541s, 73.8818MB/s
Read-ahead success for size 8192

0.098543s, 85.1264MB/s
Read-ahead success for size 16384

0.102027s, 82.2195MB/s
Read-ahead success for size 32768

0.088329s, 94.97MB/s
Read-ahead success for size 65536

0.092423s, 90.7632MB/s
Read-ahead success for size 131072

0.103751s, 80.8533MB/s
Read-ahead success for size 262144

0.103005s, 81.4388MB/s
Read-ahead success for size 524288

0.097144s, 86.3523MB/s
Read-ahead success for size 1048576