== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:06:49 (1746133609)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.736327s, 11.3925MB/s
Read-ahead success for size 8192

0.707638s, 11.8544MB/s
Read-ahead success for size 16384

0.731211s, 11.4722MB/s
Read-ahead success for size 32768

0.545845s, 15.3681MB/s
Read-ahead success for size 65536

0.570408s, 14.7063MB/s
Read-ahead success for size 131072

0.444451s, 18.8741MB/s
Read-ahead success for size 262144

0.583079s, 14.3867MB/s
Read-ahead success for size 524288

0.542725s, 15.4565MB/s
Read-ahead success for size 1048576