[mrtg] Counts disappear after a few months

[Fred Zwarts (KVI)]

"Steve Shipway"  wrote in message 
news:7294716191A1E142B80615ED2C633BCA6824E07A at uxcn10-tdc02.UoA.auckland.ac.nz...
>
>>Apparently, MRTG looses counts. Is this a known bug? We run MRTG 2.17.2.
>
>I've never seen such a bug (so far).  Remember, though, that RRDTool (and 
>MRTG .log files) operate in round-robin mode, automatically expiring old 
>data as they go.
>
>You dont say if you're using MRTG in Native or RRDTool mode.

We run in MRTG native mode.