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Carl Gherardi | 1 Nov 2004 05:49
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Re: Howto extract data...?

Hey Lars,

> 
> Has anyone got any documentation for the database, which is public
> available?
> 

I had a printout of the database schema a while back showing the table
relationships, which was generated by a publicly available tool
(anyone?)

The configuration info is all available from within the cacti database,
so examples of what you need exist within the source already, you just
need to remodel(change language etc) a little.

I've always found the cacti code pretty easy to follow though ymmv.

Carl

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Tim Holmes | 1 Nov 2004 17:47

Graphs Showing NAN - Reading Recomendations


Good Morning all:

Thanks for all the help you folks gave me getting Cacti set up -- I was able to use it last week to track down a
major problem we were having -- and I even got called a "super sleuth" for fixing it -- always good to keep the
elementary teachers happy.

I have run in to a bit of a problem, that I am not sure where to begin troubleshooting.  

For my servers, any graph that I create using the UCD/Net graph templates either do not show up at all, or the
numerical values at the bottom show NAN.  

I did a search on the archives and did not turn up any information concerning this, nor was it mentioned in the
users guide that I could find.  The only available guess that I have is that it means "Not Available Now" but I
am not sure why this is.  

If anyone could enlighten me, I would be most thankful!

Also,  I know that to effectively use Cacti, as well as NAGIOS (which is also up and running great, I need to be
more proficient in the SNMP protocol as well as other aspects.  Can any of you recommend good reading
resources (either web or print) to help me learn.

Thanks

TIM

Tim Holmes
 
IT Manager
Medina Christian Academy, Inc.
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Deltaned Internet Services | 1 Nov 2004 18:34
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SNMP error

Hi,

I install cacti corrected and add an host (http://IP)
but I get SNMP error when I try to find the graph

Tips?

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Dan Trainor - hostinthebox.net | 1 Nov 2004 18:56

Re: SNMP error

SNMP is SNMP, it's not HTTP.  Use just the ip for the host, do not use 
http://ip

Thanks
-dant

Deltaned Internet Services wrote:

> Hi,
> 
> I install cacti corrected and add an host (http://IP)
> but I get SNMP error when I try to find the graph
> 
> Tips?
> 
> 
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Deltaned Internet Services | 1 Nov 2004 19:30
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Re: SNMP error

So I need to fill in at: Hostname???

Jaider 
Starter with cacti

----- Original Message ----- 
From: "Dan Trainor - hostinthebox.net" <info <at> hostinthebox.net>
To: <cacti-user <at> lists.sourceforge.net>
Sent: Monday, November 01, 2004 6:56 PM
Subject: Re: [cacti-user] SNMP error

> SNMP is SNMP, it's not HTTP.  Use just the ip for the host, do not use 
> http://ip
> 
> Thanks
> -dant
> 
> 
> Deltaned Internet Services wrote:
> 
>> Hi,
>> 
>> I install cacti corrected and add an host (http://IP)
>> but I get SNMP error when I try to find the graph
>> 
>> Tips?
>> 
>> 
>> -------------------------------------------------------
>> This SF.Net email is sponsored by:
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Matthew Brown | 1 Nov 2004 19:51
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RE: Graphs Showing NAN - Reading Recomendations

Tim,

For general SNMP how-to knowledge I queried Google on "snmp+howto" and returned this link:

http://www.rescomp.berkeley.edu/about/training/senior/progs/SNMP-HOWTO/SNMP-HOWTO.html

It looks pretty interesting.  I have also read the O'Reilly book "Essential SNMP":

http://www.oreilly.com/catalog/esnmp/index.html

It provided many examples, a brief tutorial on how to use the net-snmp toolset, and how to read a MIB file.  It
is a few years old (2001) but still seems mostly pertinent.  

The official net-snmp tutorial is located at 

http://www.net-snmp.org/tutorial-5/.

Hope that this helps!

Matthew 

-----Original Message-----
From: cacti-user-admin <at> lists.sourceforge.net [mailto:cacti-user-admin <at> lists.sourceforge.net]
On Behalf Of Tim Holmes
Sent: Monday, November 01, 2004 11:48 AM
To: cacti-user <at> lists.sourceforge.net
Subject: [cacti-user] Graphs Showing NAN - Reading Recomendations

Good Morning all:
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Dan Trainor - hostinthebox.net | 1 Nov 2004 19:54

Re: SNMP error

That is correct.

Do you understand what the http:// means in a url?  It means that the 
URL specified is using the HTTP protocol.

Like I said, because SNMP is not HTTP, why would you use it for an SNMP 
query?

So yes, just use the hostname or IP.

Thanks
-dant

Deltaned Internet Services wrote:

> So I need to fill in at: Hostname???
> 
> Jaider Starter with cacti
> 
> 
> ----- Original Message ----- From: "Dan Trainor - hostinthebox.net" 
> <info <at> hostinthebox.net>
> To: <cacti-user <at> lists.sourceforge.net>
> Sent: Monday, November 01, 2004 6:56 PM
> Subject: Re: [cacti-user] SNMP error
> 
> 
>> SNMP is SNMP, it's not HTTP.  Use just the ip for the host, do not use 
>> http://ip
>>
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Deltaned Internet Services | 1 Nov 2004 20:47
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Re: SNMP error

Hi,

I Have only the IP number but at status it told me unknow.
When I look into the details I see: 
SNMP Information
SNMP error 

Jaider 

----- Original Message ----- 
From: "Dan Trainor - hostinthebox.net" <info <at> hostinthebox.net>
To: <cacti-user <at> lists.sourceforge.net>
Sent: Monday, November 01, 2004 7:54 PM
Subject: Re: [cacti-user] SNMP error

> That is correct.
> 
> Do you understand what the http:// means in a url?  It means that the 
> URL specified is using the HTTP protocol.
> 
> Like I said, because SNMP is not HTTP, why would you use it for an SNMP 
> query?
> 
> So yes, just use the hostname or IP.
> 
> Thanks
> -dant
> 
> 
> Deltaned Internet Services wrote:
(Continue reading)

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Dan Trainor - hostinthebox.net | 1 Nov 2004 21:06

Re: SNMP error

Have you used snmpwalk to query the device using some basic OIDs?  Maybe 
it doesn't even respond to SNMP.

Please provide more information in your next posts.  It will help us 
help you.

Thanks
-dant

Deltaned Internet Services wrote:

> Hi,
> 
> I Have only the IP number but at status it told me unknow.
> When I look into the details I see: SNMP Information
> SNMP error
> Jaider
> ----- Original Message ----- From: "Dan Trainor - hostinthebox.net" 
> <info <at> hostinthebox.net>
> To: <cacti-user <at> lists.sourceforge.net>
> Sent: Monday, November 01, 2004 7:54 PM
> Subject: Re: [cacti-user] SNMP error
> 
> 
>> That is correct.
>>
>> Do you understand what the http:// means in a url?  It means that the 
>> URL specified is using the HTTP protocol.
>>
>> Like I said, because SNMP is not HTTP, why would you use it for an
(Continue reading)

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Paulo Andre | 2 Nov 2004 15:32
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rrdtool error

I have the following for a Data Source:

                /usr/local/rrdtool/bin/rrdtool create \
          /serv/cacti/rra/alcatel_switch_traffic_in_163.rrd \
                             --step 300  \
                DS:traffic_out:COUNTER:600:0:100000000 \
                DS:traffic_in:COUNTER:600:0:100000000 \
                DS:traffic_out:COUNTER:600:0:100000000 \
                DS:traffic_in:COUNTER:600:0:100000000 \
                        RRA:AVERAGE:0.5:1:600 \
                        RRA:AVERAGE:0.5:6:700 \
                        RRA:AVERAGE:0.5:24:775 \
                       RRA:AVERAGE:0.5:288:797 \
                          RRA:MAX:0.5:1:600 \
                          RRA:MAX:0.5:6:700 \
                          RRA:MAX:0.5:24:775 \
                         RRA:MAX:0.5:288:797 \

When I try do run this manually I get the following error:
ERROR: Duplicate DS name: traffic_out

Now DS:traffic_out and DS:traffic_in is duplicated, why has cacti done
this and how could I sort this out.

Paulo

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