== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:41:47 (1736264507)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.066450s, 126.239MB/s
Read-ahead success for size 8192

0.060632s, 138.353MB/s
Read-ahead success for size 16384

0.059992s, 139.829MB/s
Read-ahead success for size 32768

0.052792s, 158.899MB/s
Read-ahead success for size 65536

0.056941s, 147.321MB/s
Read-ahead success for size 131072

0.058007s, 144.614MB/s
Read-ahead success for size 262144

0.056234s, 149.173MB/s
Read-ahead success for size 524288

0.065665s, 127.749MB/s
Read-ahead success for size 1048576