== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:24:28 (1743204268)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.612237s, 13.7016MB/s
Read-ahead success for size 8192

0.619511s, 13.5407MB/s
Read-ahead success for size 16384

0.632162s, 13.2697MB/s
Read-ahead success for size 32768

0.484136s, 17.327MB/s
Read-ahead success for size 65536

0.418271s, 20.0554MB/s
Read-ahead success for size 131072

0.369032s, 22.7314MB/s
Read-ahead success for size 262144

0.383685s, 21.8633MB/s
Read-ahead success for size 524288

0.415011s, 20.213MB/s
Read-ahead success for size 1048576