== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:10:14 (1713280214)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

8.629371s, 0.9721MB/s
Read-ahead success for size 8192

7.750681s, 1.08231MB/s
Read-ahead success for size 16384

6.670294s, 1.25761MB/s
Read-ahead success for size 32768

7.580984s, 1.10653MB/s
Read-ahead success for size 65536

6.712141s, 1.24977MB/s
Read-ahead success for size 131072

7.499720s, 1.11852MB/s
Read-ahead success for size 262144

7.269352s, 1.15397MB/s
Read-ahead success for size 524288

6.742334s, 1.24417MB/s
Read-ahead success for size 1048576