[rrd-users] Re: rrdtool create question

Alex van den Bogaerdt alex at ergens.op.het.net
Thu Oct 5 19:00:14 MEST 2006

On Thu, Oct 05, 2006 at 10:04:02AM -0600, Ashley M. Kirchner wrote:

>     And I get the percentage used via SNMP's IODs 
> . , .2, and .3 respectively.  The returned value 
> is an integer.
>     How can I:
>        a) create an rrd file that can contain all three of those values, and
>        b) individually update each one.

You can't.  It's a, or b, but not both at the same time.

>     And I guess as a future exercise (perhaps for me), can that same rrd 
> file contain multiple data tables for multiple servers (so I can poll 
> other servers and store them in the same file.)  Can I ADD more DSs to 
> an rrd file at a later date, or can I only do that when I first create 
> the rrd file?

There is no native support to add DSes (or RRAs).  But scripts do exist.
But that isn't necessary in most cases.  Graphs can be created from DSes
out of different RRDs.

Alex van den Bogaerdt

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