[rrd-users] Merging RRDS question

[Michael Lang]

Hi to everyone,

such questions have been asked a few times what i could
fetch from the archives, but i didnt get a clear answer for
following work with RRD's.

Polling RoundTrip Times and Latency from 2 different locations
for one target. Merging the two files replacing the not gathered
values N/A like Polling System outage like :

  <row><t>1020611700</t><v>3.4000000000e+00</v><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.5000000000e+00</v><v>N/A</v></row>
  <row><t>1020611700</t><v>3.4000000000e+00</v><v>3.2000000000e+00</v></row>
  <row><t>1020611700</t><v>3.2000000000e+00</v><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>N/A</v><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.3000000000e+00</v><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.4000000000e+00</v><v>3.3000000000e+00</v></row>
  <row><t>1020611700</t><v>3.1000000000e+00</v><v>3.4000000000e+00</v></row>

to a new rrd that contains :

  <row><t>1020611700</t><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.5000000000e+00</v></row>
  <row><t>1020611700</t><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.2000000000e+00</v></row>
  <row><t>1020611700</t><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.3000000000e+00</v></row>
  <row><t>1020611700</t><v>3.4000000000e+00</v></row>
  <row><t>1020611700</t><v>3.1000000000e+00</v></row>

is there a simply way to do or do i have to xport both rrds an compare
there values creating a new xml that does contain only applicable values ?

Thank for any suggestion

Kind regards
Michael Lang


-- 
Michael Lang				       System Engineer
EUnet-AG EDV und Internetdienstleistungen  Tel: +43 1 89933118
Diefenbachgasse 35, 1150 Wien		   Fax: +4318991110118
http://www.eunet-ag.at		      Michael.Lang at eunet-ag.at

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