[smokeping-users] Multiple Probes

[Peter Kristolaitis]

Hi Scott;

Your approach is absolutely correct -- define multiple instances of the 
probe, probably with the 'offset' option, e.g.

+FPing
offset = 0%
{default fping options}
++FPing1
offset = 25%
++FPing2
offset = 50%
++FPing3
offset = 75%

Then, depending on the logical structure of your host tree, assign the 
probes to hosts, either randomly or by tree, or whatever method you 
choose, e.g.:

+servers
probe = FPing
++server1
++server2
+switches
probe = FPing1
++switch1
++switch2
+routers
probe = FPing2
{...}

As long as 'concurrentprobes = yes' in your config (which is the 
default, but specifying it never hurts), each probe instance will run 
concurrently.  You just have to be careful not to define so many 
concurrent probes that you saturate your network links and skew the 
results. :)

Cheers,
- Peter


Scott Moseman wrote:
> It appears my "unreachable" rate is less than 4%.  So getting multiple
> probes configured appears to be a higher priority than cleaning the
> data.
>
> Thanks,
> Scott
>
>
>
> On Nov 14, 2007 2:34 PM, Scott Moseman <scmoseman at gmail.com> wrote:
>   
>> Right now I'm using a single FPing probe for all of my devices.  We
>> have a lot of them, and many do not reply, but a "clean up" of the
>> data is not really an available option at this time.  We have a step
>> of 300 secs and it's beginning to occasionally take more than 300 secs
>> to complete.  In this instance, can I setup multiple FPing probes
>> (e.g. FPing1, FPing2, etc) and verify concurrentprobes is "yes" (which
>> I believe is the default)?  Is this going to do what I'm thinking it
>> will, which is running several FPing probes in parallel?
>>
>> Our config file is automatically generated from a mgmt system.  Could
>> I have the mgmt system output the config with random (or sequentially
>> changing) probe=FPing* entries?  Or is there a better methodology for
>> distributing the probes among the devices?
>>
>> Thanks,
>> Scott
>>
>>     
>
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