Hi, My objective is to change the step-size of the existing RRD Files.
>From the mail chain : [rrd-users] changing step time? https://lists.oetiker.ch/pipermail/rrd-users/2010-April/016537.html I got the link for the rrdjig. While using the same I got error as "RRD Error: expected 1 data source readings (got 2) from 1345561230:0:0" Steps I did: 1. Create a dummy rrd file using command: rrdtool create /tmp/dummy.rrd --step 60 DS:mem:DERIVE:120:0:NaN RRA:AVERAGE:0.1:1:1200 RRA:MIN:0.1:1:1200 RRA:MAX:0.1:1:1200 RRA:AVERAGE:0.1:1:1440 RRA:MAX:0.1:1:1440 RRA:MIN:0.1:1:1440 RRA:AVERAGE:0.1:1:1260 RRA:MAX:0.1:1:1260 RRA:MIN:0.1:1:1260 RRA:AVERAGE:0.1:1:1207 RRA:MAX:0.1:1:1207 RRA:MIN:0.1:1:1207 RRA:AVERAGE:0.1:1:1201 RRA:MAX:0.1:1:1201 RRA:MIN:0.1:1:1201 2. Check the info for the source file: filename = "/tmp/service.rrd" rrd_version = "0003" step = 10 last_update = 1345563297 ds[rx].type = "DERIVE" ds[rx].minimal_heartbeat = 20 ds[rx].min = 0.0000000000e+00 ds[rx].max = NaN ds[rx].last_ds = "945714" ds[rx].value = 0.0000000000e+00 ds[rx].unknown_sec = 0 ds[tx].type = "DERIVE" ds[tx].minimal_heartbeat = 20 ds[tx].min = 0.0000000000e+00 ds[tx].max = NaN ds[tx].last_ds = "5514618" ds[tx].value = 0.0000000000e+00 ds[tx].unknown_sec = 0 rra[0].cf = "AVERAGE" rra[0].rows = 1200 rra[0].pdp_per_row = 1 rra[0].xff = 1.0000000000e-01 rra[0].cdp_prep[0].value = NaN rra[0].cdp_prep[0].unknown_datapoints = 0 rra[0].cdp_prep[1].value = NaN rra[0].cdp_prep[1].unknown_datapoints = 0 rra[1].cf = "MIN" rra[1].rows = 1200 rra[1].pdp_per_row = 1 rra[1].xff = 1.0000000000e-01 rra[1].cdp_prep[0].value = NaN rra[1].cdp_prep[0].unknown_datapoints = 0 rra[1].cdp_prep[1].value = NaN rra[1].cdp_prep[1].unknown_datapoints = 0 rra[2].cf = "MAX" rra[2].rows = 1200 rra[2].pdp_per_row = 1 rra[2].xff = 1.0000000000e-01 rra[2].cdp_prep[0].value = NaN rra[2].cdp_prep[0].unknown_datapoints = 0 rra[2].cdp_prep[1].value = NaN rra[2].cdp_prep[1].unknown_datapoints = 0 rra[3].cf = "AVERAGE" rra[3].rows = 1235 rra[3].pdp_per_row = 7 rra[3].xff = 1.0000000000e-01 rra[3].cdp_prep[0].value = 0.0000000000e+00 rra[3].cdp_prep[0].unknown_datapoints = 0 rra[3].cdp_prep[1].value = 0.0000000000e+00 rra[3].cdp_prep[1].unknown_datapoints = 0 rra[4].cf = "MIN" rra[4].rows = 1235 rra[4].pdp_per_row = 7 rra[4].xff = 1.0000000000e-01 rra[4].cdp_prep[0].value = 0.0000000000e+00 rra[4].cdp_prep[0].unknown_datapoints = 0 rra[4].cdp_prep[1].value = 0.0000000000e+00 rra[4].cdp_prep[1].unknown_datapoints = 0 rra[5].cf = "MAX" rra[5].rows = 1235 rra[5].pdp_per_row = 7 rra[5].xff = 1.0000000000e-01 rra[5].cdp_prep[0].value = 0.0000000000e+00 rra[5].cdp_prep[0].unknown_datapoints = 0 rra[5].cdp_prep[1].value = 0.0000000000e+00 rra[5].cdp_prep[1].unknown_datapoints = 0 rra[6].cf = "AVERAGE" rra[6].rows = 1210 rra[6].pdp_per_row = 50 rra[6].xff = 1.0000000000e-01 rra[6].cdp_prep[0].value = 0.0000000000e+00 rra[6].cdp_prep[0].unknown_datapoints = 0 rra[6].cdp_prep[1].value = 0.0000000000e+00 rra[6].cdp_prep[1].unknown_datapoints = 0 rra[7].cf = "MIN" rra[7].rows = 1210 rra[7].pdp_per_row = 50 rra[7].xff = 1.0000000000e-01 rra[7].cdp_prep[0].value = 0.0000000000e+00 rra[7].cdp_prep[0].unknown_datapoints = 0 rra[7].cdp_prep[1].value = 0.0000000000e+00 rra[7].cdp_prep[1].unknown_datapoints = 0 rra[8].cf = "MAX" rra[8].rows = 1210 rra[8].pdp_per_row = 50 rra[8].xff = 1.0000000000e-01 rra[8].cdp_prep[0].value = 0.0000000000e+00 rra[8].cdp_prep[0].unknown_datapoints = 0 rra[8].cdp_prep[1].value = 0.0000000000e+00 rra[8].cdp_prep[1].unknown_datapoints = 0 rra[9].cf = "AVERAGE" rra[9].rows = 1202 rra[9].pdp_per_row = 223 rra[9].xff = 1.0000000000e-01 rra[9].cdp_prep[0].value = 0.0000000000e+00 rra[9].cdp_prep[0].unknown_datapoints = 0 rra[9].cdp_prep[1].value = 0.0000000000e+00 rra[9].cdp_prep[1].unknown_datapoints = 0 rra[10].cf = "MIN" rra[10].rows = 1202 rra[10].pdp_per_row = 223 rra[10].xff = 1.0000000000e-01 rra[10].cdp_prep[0].value = 0.0000000000e+00 rra[10].cdp_prep[0].unknown_datapoints = 0 rra[10].cdp_prep[1].value = 0.0000000000e+00 rra[10].cdp_prep[1].unknown_datapoints = 0 rra[11].cf = "MAX" rra[11].rows = 1202 rra[11].pdp_per_row = 223 rra[11].xff = 1.0000000000e-01 rra[11].cdp_prep[0].value = 0.0000000000e+00 rra[11].cdp_prep[0].unknown_datapoints = 0 rra[11].cdp_prep[1].value = 0.0000000000e+00 rra[11].cdp_prep[1].unknown_datapoints = 0 rra[12].cf = "AVERAGE" rra[12].rows = 1201 rra[12].pdp_per_row = 2635 rra[12].xff = 1.0000000000e-01 rra[12].cdp_prep[0].value = 0.0000000000e+00 rra[12].cdp_prep[0].unknown_datapoints = 0 rra[12].cdp_prep[1].value = 0.0000000000e+00 rra[12].cdp_prep[1].unknown_datapoints = 0 rra[13].cf = "MIN" rra[13].rows = 1201 rra[13].pdp_per_row = 2635 rra[13].xff = 1.0000000000e-01 rra[13].cdp_prep[0].value = 0.0000000000e+00 rra[13].cdp_prep[0].unknown_datapoints = 0 rra[13].cdp_prep[1].value = 0.0000000000e+00 rra[13].cdp_prep[1].unknown_datapoints = 0 rra[14].cf = "MAX" rra[14].rows = 1201 rra[14].pdp_per_row = 2635 rra[14].xff = 1.0000000000e-01 rra[14].cdp_prep[0].value = 0.0000000000e+00 rra[14].cdp_prep[0].unknown_datapoints = 0 rra[14].cdp_prep[1].value = 0.0000000000e+00 rra[14].cdp_prep[1].unknown_datapoints = 0 3. Executed the rrdjig utility: ./rrdjig.pl -v /tmp/service.rrd /tmp/dummy.rrd 4. I got the error: RRD Error: expected 1 data source readings (got 2) from 1345561230:0:0 Can some one please point me to a way in which I can sole this? Regards, Ankzz
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