[mrtg] Re: MRTG History...or Interactive MRTG revisited

[wbresson at gmrc.com]

What kind of custom app are you using to pull the archived data ? Unix prog
? Windows prog ? Perl script ? My primary interface is 14all.cgi but I have
routers2.cgi running and using it's archiving script just in case I would
ever need it. I'd much rather keep everything combined into a modified
14all.cgi or such that could pull archived rrd data. I believe the
routers2.cgi method is different than yours in that it copies the actual rrd
files for the day into a dated dir keeping the original rrd size but making
a new dir for every day. This of course is huge disk space wise but with
such cheap space anymore I don't' really care. (I'm running about 20gig in
rrd's right now). If you'd be willing to publish your custom app that'd be
great...especially at least for me if its just a perl/cgi script that looks
at the inflated rrd's



 -----Original Message-----
From: 	PAUL WILLIAMSON [mailto:pwilliamson at mandtbank.com] 
Sent:	Thursday, March 04, 2004 12:27 PM
To:	jhumes at acs.on.ca; mrtg at list.ee.ethz.ch; GWCOOK at mactec.com
Subject:	[mrtg] Re: MRTG History...or Interactive MRTG revisited

>>>> "Cook, Garry" <GWCOOK at mactec.com> 03/04/04 12:59PM >>>
>> Hi
>> I was just going through the history of this list and found a post
>> regarding an "Interactive MRTG"...I'm not sure if this was ever
>> developed or not...but what it sounds like, and what I'm looking for,
>> is some way to display all of the older log data in the "Day" view. 
>> I mean...maybe I could type in a date and have MRTG pull the logs for
>> that date and then display the data in the "Day" graph...instead of
>> the week, month, year...I guess just for the added detail.  Thanks
>> for any info on this... 
>> 
>> Jason D. Humes
>
>If you are storing your data in .rrd files, this is not possible. This
>is due to the way RRDTool averages the data points over time. The graphs
>are generated on the fly from the .rrd files, and the data points that
>make up the graphs that you see today are not going to be around a week
>from now.
>However, the routers2.cgi front-end has been developed with some 'graph
>archiving' code that enables you to archive specific graphs. So, if you
>look into this further, it may allow you to archive your daily graphs
>and be able to refer back to them at a future date. While I use
>routers2.cgi (http://www.steveshipway.org/), I have not tested nor used
>the archive feature, so I can't offer you much more detail.
>
>HTH
>
>Garry W. Cook, CCNA

Sure, you can certainly do this.  You just need to adjust the 5 minute 
RRA when you create the RRD.  There is a section in cfgmaker that 
defines what RRA's are created within an RRD, and you just need to 
increase this.  We are using regular MRTG to poll the values, 
14all to display, and a custom program to select a specific 24 hour 
period to show 5 minute values for any day since we started the collection 
for up to a year (in some cases up to 4 years) back.

Paul


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