[mrtg] Re: daemon robustness problem

[Tobias Oetiker]

Today Greg.Volk at edwardjones.com wrote:

Hi Greg,

I have heard this from other foplks, but I am totally lost as to
what the reason for the strange state could be ...

cheers
tobi

>
> Every so often, I run into the following error...
>
> > mrtg switch-r-core1a.cfg
> Daemonizing MRTG ...
> > ERROR: Cannot update /home/mrtg/public_html/switch-r-core1a/switch-r-core1a_port-channel10.rrd with '1020433785:0:0' unknown consolidation function 'RRD'
>
> This causes the daemon to die, and all the targets in that particular
> config file go un-updated until I realize that this has happened. To
> fix it I end up deleting the RRD file that caused the error, delete
> the PID file that was left behind due to the daemon's death, and then
> relaunch the daemon.
>
> What causes this?
>
> Could it be bad hardware (disk?) errors on my system? The OS
> hasn't ever complained about any hardware problems, and the
> box has never crashed - it's at 168 days of uptime right now
> - so I don't think any dirty-shutdowns are to blame.
> Could I be looking at an RRDtool bug? I'm running v1.0.33. I
> looked at the changelog since 1.0.33 and didn't see anything
> mentioning this.
>
> Has anyone else run into this?
>
> Thanks
>
>
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