[rrd-users] Re: mrtg with rrdtools

[Alvaro Cornejo]

Hi

One of the differences between MRTG and RRD is that MRTG generates the traffic
graphs in a periodic basis (normally each 5min) and RRD generate them only when
needed. In both cases, MRTG and RRD, will overwrite the previous graph. This
means that in any moment you'll have only the graphs requested by your cfg file
(day, week, month, year) or whatever time interval you choose.

I don't see the necesity of backing up the graphs since they are a graphic snap
shots of your measurements. You can regenerate them when needed. What you should
backup are the data files that contains the information used to generate the
graphs.

Regards

Alvaro

-----Original Message-----
From: Ranil S. Gamage [mailto:ranilg at lankacom.net]
Sent: Tuesday, 27 January, 2004 04:58
To: rrd-users-request at list.ee.ethz.ch
Cc: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] mrtg with rrdtools


I have a query on rrdtool integration with Mrtg.Please help me getting
clarified this problem.
If i want to backup(using some Linux Shell script)  old mrtg traffic
graphs, suppose for a year(From January 2003 -February 2004) , and if i
do not access the graphs for a particular period say for the month of
May 2003, will they be backed up.And when i want to view them some time
later will they be available.

As i understand the grpahs are created with rrd , as & when you access
the files.

Please clarify.

At the moment i have this situation With Out RRD & i have no problem
with the setup.

Thanks in advance,
Ranil.


-- 
Ranil S. Gamage,
Lanka Communication Services(Pvt) Ltd.,
65C Dharmapala Mawatha,
Colombo -07,
Sri Lanka.


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