== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:44:54 (1776203094)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.296649s, 28.2779MB/s
Read-ahead success for size 8192

0.293415s, 28.5896MB/s
Read-ahead success for size 16384

0.267144s, 31.4011MB/s
Read-ahead success for size 32768

0.308505s, 27.1912MB/s
Read-ahead success for size 65536

0.368890s, 22.7401MB/s
Read-ahead success for size 131072

0.270745s, 30.9834MB/s
Read-ahead success for size 262144

0.273805s, 30.6372MB/s
Read-ahead success for size 524288

0.315531s, 26.5857MB/s
Read-ahead success for size 1048576