== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:38:32 (1781300312)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.278183s, 30.155MB/s
Read-ahead success for size 8192

0.258029s, 32.5103MB/s
Read-ahead success for size 16384

0.229733s, 36.5146MB/s
Read-ahead success for size 32768

0.299909s, 27.9705MB/s
Read-ahead success for size 65536

0.316811s, 26.4783MB/s
Read-ahead success for size 131072

0.319688s, 26.24MB/s
Read-ahead success for size 262144

0.333684s, 25.1394MB/s
Read-ahead success for size 524288

0.340835s, 24.6119MB/s
Read-ahead success for size 1048576