== sanity test 101b: check stride-io mode read-ahead =========================================================================== 08:37:23 (1788266243)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.285943s, 6.52331MB/s
Read-ahead success for size 8192

1.723438s, 4.86737MB/s
Read-ahead success for size 16384

1.955137s, 4.29055MB/s
Read-ahead success for size 32768

1.876956s, 4.46926MB/s
Read-ahead success for size 65536

1.693469s, 4.95351MB/s
Read-ahead success for size 131072

1.812434s, 4.62837MB/s
Read-ahead success for size 262144

1.410878s, 5.94567MB/s
Read-ahead success for size 524288

1.558331s, 5.38307MB/s
Read-ahead success for size 1048576