== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:06:16 (1763334376)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

1.241199s, 6.75847MB/s
Read-ahead success for size 8192

1.042703s, 8.04506MB/s
Read-ahead success for size 16384

1.398843s, 5.99682MB/s
Read-ahead success for size 32768

1.191166s, 7.04235MB/s
Read-ahead success for size 65536

1.014251s, 8.27074MB/s
Read-ahead success for size 131072

1.096393s, 7.6511MB/s
Read-ahead success for size 262144

0.902120s, 9.29877MB/s
Read-ahead success for size 524288

1.034769s, 8.10674MB/s
Read-ahead success for size 1048576