== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:19:34 (1787851174)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.068282s, 4.05583MB/s
Read-ahead success for size 8192

2.316645s, 3.62102MB/s
Read-ahead success for size 16384

2.255465s, 3.71924MB/s
Read-ahead success for size 32768

2.318664s, 3.61786MB/s
Read-ahead success for size 65536

2.261173s, 3.70985MB/s
Read-ahead success for size 131072

2.108916s, 3.97769MB/s
Read-ahead success for size 262144

1.741723s, 4.81627MB/s
Read-ahead success for size 524288

1.806315s, 4.64404MB/s
Read-ahead success for size 1048576