Re: [jffnms-users] division by zero in rrd_analyzer.php v 0.80

[Javier S. <ja...@jf...>]

Hi Falz,

This is not a SLA problem, the retrived value was 0, so it tries to divide by 0.

You have to check why that storage interface had 0.

Javier

falz wrote:
> I've been using .79 for several months now, and all works great. On my
> home network, I decided to try out .80. Instead of upgrading, I
> decided to set it up from scratch.
> 
> The two snmp devices- a cisco router and the server itsself (freebsd)
> both have its interfaces and such discovered just fine. However, the
> graphs are all blank with the sole exception of the Reachability test.
> So, this led me to beleive there's some snmp problem somewhere.
> 
> I've got logging turned on, but I don't see any errors. if I su to my
> jffnms user, I get errors to stdout when running rrd_analyzer.php:
> 
> 
> Warning: Division by zero in
> /home/jffnms/jffnms-0.8.0/engine/analyzers/sla.inc.php(62) : eval()'d
> code on line 1
> 19:50:12 I16 : sla : Cond0: ( 0 > ((0*80)/100))                    = 0
>  -FALSE- Used > 80%: 0 %
> 19:50:12 I16 : sla : Final Eval: False.
> 19:50:13 I17 : ==========================================================================================
> 19:50:13 I17 : Start: 2005-02-17 19:15:00       Stop: 2005-02-17
> 19:45:00       Measures: 6
> 19:50:13 I17 : storage_block_size(0) storage_block_count(0)
> storage_used_blocks(0)
> 19:50:13 I17 : ------------------------------------------------------------------------------------------
> 
> 
> (yes, that's the path I have it in, and yes, apache can write to the
> images dir and such)
> 
> Basicly, for just about everything, I get this division by zero.
> 
> any ideas?
> 
> --falz
> 
> 
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-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Javier Szyszlican, Project Leader, JFFNMS
ja...@jf...

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