== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:26:56 (1787794016)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.674962s, 5.00824MB/s
Read-ahead success for size 8192

1.483947s, 5.6529MB/s
Read-ahead success for size 16384

1.849010s, 4.53681MB/s
Read-ahead success for size 32768

1.580993s, 5.30591MB/s
Read-ahead success for size 65536

1.285195s, 6.52711MB/s
Read-ahead success for size 131072

0.896672s, 9.35527MB/s
Read-ahead success for size 262144

1.195942s, 7.01423MB/s
Read-ahead success for size 524288

1.186572s, 7.06962MB/s
Read-ahead success for size 1048576