[rrd-users] rrdupdate

Simon Hobson linux at thehobsons.co.uk
Tue Dec 25 11:25:01 CET 2007

At 13:45 +0400 25/12/07, rihad wrote:
>Hi, how can I use rrdupdate to zero out certain older values stored by
>mrtg (Interval: 5 minutes) ?
># rrdtool update 1198568400:U:U
>ERROR: illegal attempt to update using time 1198568400 when last update
>time is 1198568934 (minimum one second step)
>No matter which older value I try I get that message.

You can't<period>

If you REALLY need to fiddle with your historical data, then you will 
need to export the data, alter the values in the XML file, then 
import that into a new database.

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