strange problem with RRD graphs

[Alessandro Tinivelli]

hi, i have installed the lastest stable release of xymon (previously
using hobbit) and added my old config files, then added some new host to
be monitored and all ok for a few days.

 

Suddenly today i've added a new host on bb-hosts, all was working fine
except that all the graps reported values of "nan".

Tried to remove, then delete with drop host command with no solution.

 

Then i tried to monitor another host -my own pc, just ping test-, added
to bb-hosts and got a bad suprise: same problem: graphs reporting "nan".

 

The strange fact is that all other "old" host has good graphs still
reading and showing correct data.

 

Please help :) thanks in advance.

 

Alessandro

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