+ if ( input_version < 2 ){
+ rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)+i].scratch[CDP_primary_val].u_val = 0.0;
+ rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)+i].scratch[CDP_secondary_val].u_val = 0.0;
+ read_tag(&ptr2,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
+ *(rra_index) +i].scratch[CDP_val].u_val));
+ read_tag(&ptr2,"unknown_datapoints","%lu",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
+ *(rra_index) +i].scratch[CDP_unkn_pdp_cnt].u_cnt));
+ } else {
+