== sanity test 101b: check stride-io mode read-ahead =========================================================================== 12:46:16 (1731347176)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

5.473118s, 1.53269MB/s
Read-ahead success for size 8192

4.882007s, 1.71827MB/s
Read-ahead success for size 16384

5.036243s, 1.66565MB/s
Read-ahead success for size 32768

3.996311s, 2.09909MB/s
Read-ahead success for size 65536

3.563772s, 2.35386MB/s
Read-ahead success for size 131072

3.722603s, 2.25343MB/s
Read-ahead success for size 262144

3.526203s, 2.37894MB/s
Read-ahead success for size 524288

3.223081s, 2.60267MB/s
Read-ahead success for size 1048576