[smokeping-users] RRDs::update ERROR filling this newbie's logs...

Chris Wilson chris+smokeping at aptivate.org
Thu Nov 18 11:32:14 CET 2010

Hi Elmar,

On Thu, 18 Nov 2010, Elmar K. Bins wrote:

> smokeping[20766]: RRDs::update ERROR: /var/lib/smokeping/......rrd: 
> illegal attempt to update using time 1290043178 when last update time is 
> 1290071168 (minimum one second step)

Did the server's clock go back in time by about eight hours this morning?

RRD databases can only go forward in time. You can only add new data 
values at future times (later than the last value in the database). It 
will fix itself in 8 hours, but your graphs may not make a lot of sense 
because you might have 8 hours of data missing without even a gap in the 
graph data (because the meaning of the axis changed).

Alternatively, perhaps the server's clock was accidentally set to a future 
time while smokeping was running, and then corrected? In this case you 
will have a gap of 8 hours in your graphs.

Cheers, Chris.
Aptivate | http://www.aptivate.org | Phone: +44 1223 760887
The Humanitarian Centre, Fenner's, Gresham Road, Cambridge CB1 2ES

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