== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:51:04 (1761313864)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.184172s, 45.5477MB/s
Read-ahead success for size 8192

0.190671s, 43.9952MB/s
Read-ahead success for size 16384

0.152866s, 54.8756MB/s
Read-ahead success for size 32768

0.161127s, 52.0621MB/s
Read-ahead success for size 65536

0.169966s, 49.3546MB/s
Read-ahead success for size 131072

0.199589s, 42.0294MB/s
Read-ahead success for size 262144

0.193495s, 43.3531MB/s
Read-ahead success for size 524288

0.247203s, 33.9341MB/s
Read-ahead success for size 1048576