[hobbit] NCV, devmon and rrd and graphing problem

[Buchan Milne]

On Sunday 07 January 2007 04:10, Mike Dingeldey wrote:
> I am currently running hobbit 4.2.0/all-in-one patch on a Compaq DL360
> using FC6.
>
> At the present time, I am attempting to use devmon to feed data to hobbit
> and create a graph form the resulting information.

AFAIK, this isn't possible yet. It may be better to discuss this issue on the 
devmon list. E.g., there has been discussion of an rrd collector module for 
Hobbit that may ship with the next release (which will avoid the whole NCV 
issue.

> The only test I am 
> running is the if_load test; I am running it against a Cisco 2600 using the
> base 2600 template. I am running devmon 0.2.2

I don't currently have SNMP access to our routers, but I am monitoring our 
Cisco switches with devmon 0.2.2.

> At the current time, NCV creates and updates the if_load.rrd file.

Right, but AFAIK, devmon doesn't currently send any test data to Hobbit in a 
format the ncv collector can use.

> The 
> if_load column appears on the hobbit page, and the if_load detail displays
> a table with the correct flow rates on the interfaces.

But, the data sent by devmon is in HTML, and not in the form:
name [:=] value
(except for the HTML tags ...)

You can't just use NCV on an arbitrary test, the data format has to be 
compatible with NCV (which devmon isn't), or NCV will correct the wrong data 
(eg the value of the number following "table border =").

The rest of your problems with NCV are irrelevant (unless you need NCV for 
some other test).

Regards,
Buchan

-- 
Buchan Milne
ISP Systems Specialist - Monitoring/Authentication Team Leader
B.Eng,RHCE(803004789010797),LPIC-2(LPI000074592)
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