[rrd-users] Re: populate RRD with old data

[Vargas, Miguel]

Sorry, I forgot to mention that the data in my other database is also
consolidated.  So I only have 30min averages for a week ago, 2 hour averages
for a month ago, and daily averages for a year ago.  In other words, the
data I have is in the same format that RRD will store it.

If I do 
rrdtool update name.rrd <a year ago>:<value1>:<value2>
value1 and value 2 are daily averages not 15 min averages.

Will this work?  If not, how could I do it?  Do I have to edit the XML
dumps?

-----Original Message-----
From: Dulac, Daniel (Dan) [mailto:ddulac at aprisma.com]
Sent: Wednesday, January 15, 2003 1:40 PM
To: Vargas, Miguel; 'rrd-users at list.ee.ethz.ch'
Subject: RE: [rrd-users] populate RRD with old data


It will properly update each RRA as long as each update time-stamp is close
to your 'step' interval--in your case, 900 seconds.

-----Original Message-----
From: Vargas, Miguel [mailto:mvargas at tnsi.com] 
Sent: Wednesday, January 15, 2003 1:40 PM
To: 'rrd-users at list.ee.ethz.ch'
Subject: [rrd-users] populate RRD with old data


I have a database with two years of 15min router interface utilization data.
I would like to get this data into RRD so I can graph it MRTG style, i.e.
daily, weekly, monthly, yearly.  

I created RRAs like this:
rrdtool create $ifname.rrd --start 1009861200 --step 900 
DS:In:GAUGE:3600:U:U 
DS:Out:GAUGE:3600:U:U 
RRA:AVERAGE:0.5:1:128 
RRA:AVERAGE:0.5:2:432 
RRA:AVERAGE:0.5:8:420 
RRA:AVERAGE:0.5:96:390 
RRA:MAX:0.5:1:128 
RRA:MAX:0.5:2:432 
RRA:MAX:0.5:8:420 
RRA:MAX:0.5:96:390

My question is, how do I populate my RRAs with the old data?  If I do a
rrdtool update with a time stamp from a year ago, will it go into the
correct RRA?

TIA
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