[smokeping-users] Holes in graphs

[Eric Chatham]

Thank you, Peter.  I'm still looking at the example you gave and trying to figure out how this would work for our config file.  Here is an example of our config file.  The "+ SIP_Trunking" area is where the bulk of our graphs are at.  And, we use an "include" directory for these configs.

*** Probes ***

+ FPing

binary = /usr/sbin/fping

*** Targets ***

slaves=nycvpn001 laxvpn001

probe = FPing

menu = Top
title = Network Latency Grapher
remark = Welcome to the SmokePing website of xxx. \
         Here you will learn all about the latency of our network..
.
.
.

++LAX2NYC2

menu = Combined PoP
remark = Latency to VIPs on nyc6506-01 and lax6506-01
alerts = someloss
host = /Sonus/LAX2 /Sonus/NYC2

++LAX1NYC1

menu = Combined Layer 2
remark = Latency to VLAN IPs
alerts = someloss
host = /Sonus/LAX1 /Sonus/NYC1

+ TestCustomers
menu = Prospect Customers
title = SIP trunking prospect customers latency test

@include include/siptr-customers.cfg
@include include/config-temporary.txt

+ SIP-Term
menu = SIP Term IP
title = SIP termination carriers


@include include/sip-term

+ SIP-Cust
menu = SIP Customers
title = SIP Customers

@include include/sip-cust

+ SIP_Trunking
menu = SIP Trunking
title = SIP Trunking Customers

++ SIP-A-E
menu = Customers A-E
title = Customers A-E

@include include/sip-ae.cfg

++ SIP-F-L
menu = Customers F-L
title = Customers F-L

@include include/sip-fl.cfg

++ SIP-M-R
menu = Customers M-R
title = Customers M-R

@include include/sip-mr.cfg

++ SIP-S-Z
menu = Customers S-Z
title = Customers S-Z

@include include/sip-sz.cfg

+ Temporary
menu = Temporary
title = Temporary

@include include/temporary

+ Broadvox_Employees
menu = Employees
title = Broadvox Employees

@include include/employees.cfg

Eric Chatham
Broadvox MIS Department
(216) 373-4683
echatham at broadvox.net

From: Peter Kristolaitis [mailto:alter3d at alter3d.ca]
Sent: Wednesday, April 22, 2009 10:26
To: Eric Chatham
Cc: smokeping-users at lists.oetiker.ch
Subject: Re: [smokeping-users] Holes in graphs

For multiple pollers, check out example #3 at http://oss.oetiker.ch/smokeping/doc/smokeping_examples.en.html

Smokeping typically uses syslog for its logging, so the specific configuration is highly dependent on your environment.  Check your Smokeping config file to see if logging is even enabled, and if so, what facility and priority are being used.  From there you should be able to figure out what log file things are going to.




Eric Chatham wrote:
Hi Peter,

Where is the Smokeping logfile located at?  I tried /var/log/messages, but I don't see anything in there for Smokeping.

Also, how would I setup multi-pollers, as you suggested?  If I did reset the step/ping configurations, how would that affect the RRD files?  How would I modify them?

Thanks, again. :)

Eric Chatham

From: Peter Kristolaitis [mailto:alter3d at alter3d.ca]
Sent: Wednesday, April 22, 2009 09:51
To: Eric Chatham
Cc: smokeping-users at lists.oetiker.ch<mailto:smokeping-users at lists.oetiker.ch>
Subject: Re: [smokeping-users] Holes in graphs

Hi Eric;

Check your SmokePing logs to see if you're getting a message similar to "1 round of polling was longer than step" (or something similar, I can't remember the exact error at the moment).

If you are getting that message, then there are a few ways to fix it:

- Increase step time
- Decrease ping count
- Run multiple pollers and split up the hosts to use them.

Running multiple pollers if you're not already is probably the easiest fix, because changing the step or ping count will require modifying your RRD files.

- Peter



Eric Chatham wrote:
Hello,

Is there any way to minimize - if not get rid of - the holes in the graphs?  I've noticed that when a customer is no longer reachable with the FPing probe, we start seeing holes consistent in all the graphs.  Would increasing the step help correct this?  Right now, I have the step set at 120, and pings set to 20.  We monitor over 100 customers with Smokeping and we use two slaves (one slave in NY and the other LA).  Thank you for any advice on how to correct this.

Sincerely,
Eric Chatham

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