== sanity test 101b: check stride-io mode read-ahead =========================================================================== 03:39:03 (1752478743)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.914729s, 9.17059MB/s
Read-ahead success for size 8192

0.887768s, 9.4491MB/s
Read-ahead success for size 16384

1.111103s, 7.5498MB/s
Read-ahead success for size 32768

0.969001s, 8.65697MB/s
Read-ahead success for size 65536

0.995141s, 8.42957MB/s
Read-ahead success for size 131072

0.957851s, 8.75774MB/s
Read-ahead success for size 262144

0.771479s, 10.8734MB/s
Read-ahead success for size 524288

1.035914s, 8.09778MB/s
Read-ahead success for size 1048576