[rrd-users] Re: rate of change?

> I have a bunch of existing rrd's for the disk usage stats for
> a number of servers. The graphs are regularly updated by snmp.
>
> I was wondering if it was possible to query these rrds to get
> the rate of increase in disk usage for given periods?
>
> Are there existing scripts/tools to do this sort of thing?
>

Don't know, but you can use "rrdtool fetch" to dump a
Timespan, parse it in your favorite scripting language and
Calculate the increase.

Serge.

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