[rrd-users] how can update a Data-Field from Gauge to Counter in anexisting rrd file?

[Alex van den Bogaerdt]

----- Original Message ----- 
From: "Shaojie Liu" <liusoaring at gmail.com>
To: <rrd-users at lists.oetiker.ch>
Sent: Monday, February 01, 2010 8:44 AM
Subject: [rrd-users] how can update a Data-Field from Gauge to Counter in 
anexisting rrd file?


> hi,
>
> i have defined a data-field as "DS:myjob1:GAUGE:120:0:U" with rrdcreate, 
> but
> now the data souce changed the data type to a COUNTER one.
>
> how can it make this change? considering the programming have been working
> around for months and really don't want to lose data.
>

http://oss.oetiker.ch/rrdtool/doc/rrdtune.en.html