[rrd-users] How to change CF in existing RRA

[Alex van den Bogaerdt]

On Thu, Mar 27, 2008 at 03:43:38PM -0600, rrd.4.lgetschel at spamgourmet.com wrote:

> RRA:AVERAGE:0.5:7:336
> RRA:AVERAGE:0.5:360:480  RRA:AVERAGE:0.5:1080:480


> 2) I WANTED to keep 1 WEEK next, which should be 7:480 (7*3min=21min; * 
> 480 = 10080min; so 7 days of data)
>       But, I managed to create it as 7:336 which is only about 4.9 days 
> of data (this graphs with an odd area view on the graphs I create)(336 
> would be used for 30min(10:336) I followed my example too closely I think)
> 3) Keep 30:480 (30*3min=90min; *480 = 43200min; so 30 days of data)
> 4) Keep 90:540 (90*3min=270min; *480 = 129600min; so  90 days of data)
> 5&6 ) similar for 1 year and 3 years of data

You want more rows, and let everything stay the same?

Then yes, rrdtool tune is what you want.

-- 
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/