== sanity test 101b: check stride-io mode read-ahead =========================================================================== 21:15:38 (1713402938)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

8.297123s, 1.01103MB/s
Read-ahead success for size 8192

7.714996s, 1.08731MB/s
Read-ahead success for size 16384

7.382256s, 1.13632MB/s
Read-ahead success for size 32768

7.429357s, 1.12912MB/s
Read-ahead success for size 65536

7.232131s, 1.15991MB/s
Read-ahead success for size 131072

6.547826s, 1.28113MB/s
Read-ahead success for size 262144

6.844453s, 1.22561MB/s
Read-ahead success for size 524288

6.073370s, 1.38121MB/s
Read-ahead success for size 1048576