== sanity test 101b: check stride-io mode read-ahead =========================================================================== 18:23:18 (1786832598)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.947992s, 4.30628MB/s
Read-ahead success for size 8192

2.540189s, 3.30236MB/s
Read-ahead success for size 16384

2.365195s, 3.54669MB/s
Read-ahead success for size 32768

2.556521s, 3.28126MB/s
Read-ahead success for size 65536

1.450237s, 5.7843MB/s
Read-ahead success for size 131072

1.286635s, 6.5198MB/s
Read-ahead success for size 262144

1.376995s, 6.09197MB/s
Read-ahead success for size 524288

1.355779s, 6.1873MB/s
Read-ahead success for size 1048576