Re: [Nagios-users] Ping massive number of hosts

[Andreas E. <ae...@op...>]

On 08/30/2011 02:28 AM, Yu Watanabe wrote:
> Hello all.
> 
> I would like to hear opinion from everyone whom had experience
> of pinging massive number of hosts.
> 
> Version of nagios we are considering to use is v 3.2.3 on RHEL 5 64 bit machine.
> The number of hosts we are trying to check is 3000.
> 

Consider the number of checks per second instead. 3000 checks
spread over 5 minutes is only 10 per second, and that's basically
nothing unless you're using hardware from 1964.

> 
> Has anyone had done this amount of active ping checks? Or ,
> should we use the fping periodically by crontab and send as
> passive checks
> 

Just use check_icmp so you avoid fork()'ing an extra time to
execute the ping binary from a program and you should be just
fine.

-- 
Andreas Ericsson                   and...@op...
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

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