== sanity test 101b: check stride-io mode read-ahead =========================================================================== 20:55:47 (1746147347)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.755834s, 11.0985MB/s
Read-ahead success for size 8192

0.828682s, 10.1228MB/s
Read-ahead success for size 16384

1.040072s, 8.06541MB/s
Read-ahead success for size 32768

0.849642s, 9.87311MB/s
Read-ahead success for size 65536

0.780618s, 10.7461MB/s
Read-ahead success for size 131072

0.609016s, 13.774MB/s
Read-ahead success for size 262144

0.571326s, 14.6827MB/s
Read-ahead success for size 524288

0.583853s, 14.3677MB/s
Read-ahead success for size 1048576