== sanity test 101b: check stride-io mode read-ahead =========================================================================== 04:36:11 (1788942971)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.196945s, 7.00835MB/s
Read-ahead success for size 8192

1.201499s, 6.98179MB/s
Read-ahead success for size 16384

1.450790s, 5.7821MB/s
Read-ahead success for size 32768

1.370314s, 6.12167MB/s
Read-ahead success for size 65536

1.514624s, 5.53841MB/s
Read-ahead success for size 131072

1.329971s, 6.30736MB/s
Read-ahead success for size 262144

1.145937s, 7.3203MB/s
Read-ahead success for size 524288

0.848405s, 9.8875MB/s
Read-ahead success for size 1048576