== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:41:26 (1761313286)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.232590s, 36.0661MB/s
Read-ahead success for size 8192

0.291551s, 28.7724MB/s
Read-ahead success for size 16384

0.215195s, 38.9814MB/s
Read-ahead success for size 32768

0.254599s, 32.9483MB/s
Read-ahead success for size 65536

0.230026s, 36.4681MB/s
Read-ahead success for size 131072

0.183949s, 45.6029MB/s
Read-ahead success for size 262144

0.184876s, 45.3742MB/s
Read-ahead success for size 524288

0.196940s, 42.5947MB/s
Read-ahead success for size 1048576