Manuel, make sure you copy the rrd files as well (located under profiles).
They should be updated by the local nfsen processes that run on your
servers. The problem is you can't simply use them if your servers are of
different architectures (e.g. if the collector runs on i386 and the central
server runs on x64).
Also, make sure the permissions allow the web server on the central server
to read the rrd files and to write png files in the same profile directory.
Good luck,
Adrian
On Thu, Mar 24, 2011 at 11:39 AM, Manuel SUBREDU
<manuel.subr...@roedu.net>wrote:
> Hi,
>
> we have installed nfsen/nfdump in a distributed environment. We have three
> machines on different parts of the network, who runs nfdump and collect
> netflow data on local disks, and from 10 to 10 minutes, we copy the netflow
> data to a central server (using rsync) were we want to "see it" using nfsen.
> All is ok, the data is collected and trafic values can be seen on the
> Details tab. The problem is that we can't see any graph. All graphs are
> empty, even if the router names appears on the graphs legend.
> And in the logs we have:
>
> Mar 24 11:30:15 central nfsen[11445]: Channel info file missing for channel
> 'node1-acc' in './live'
> Mar 24 11:30:15 central nfsen[11445]: Channel info file missing for channel
> 'node2-acc' in './live'
> Mar 24 11:30:15 central nfsen[11445]: Channel info file missing for channel
> 'node3-acc' in './live'
>
> Besides this, we also have some messages like:
> Mar 24 11:35:10 central nfcapd[11443]: Ident: 'node1-acc' Flows: 0,
> Packets: 0, Bytes: 0, Sequence Errors: 0, Bad Packets: 0
> Mar 24 11:35:10 central nfcapd[11443]: Ident: 'node2-acc' Flows: 0,
> Packets: 0, Bytes: 0, Sequence Errors: 0, Bad Packets: 0
> Mar 24 11:35:10 central nfcapd[11443]: Ident: 'node3-acc' Flows: 0,
> Packets: 0, Bytes: 0, Sequence Errors: 0, Bad Packets: 0
>
> but I guess that these messages are related to the fact the we don't run
> the nfcapd on the central server (we run it on the slaves).
> Do you have any suggestion regarding the graph problem?
>
>
> --
> =====================================
> Manuel SUBREDU
> Network Engineer at AARNIEC/RoEduNet
>
> phone: +40 (232) 201 007
> fax: +40 (232) 201 200
> e-mail: manuel.subr...@roedu.net
> =====================================
>
>
>
>
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