[mrtg] Could not get any data from external command

[Daniel McDonald]

On 7/29/10 5:13 AM, "Bhupen Barman" <go4bhupen at gmail.com> wrote:

> Hi All,
>  
>             We are executing an external script as target (through mrtg config
> file), which is not returning anything in case of failure.
>  
>             In this case MRTG (2.9.17) stores all 1s in the output log file.
> The graphs also plots all 1 in this case. We want to have the output as 0 in
> case the sript doesnot returns anything .
Maybe add...
Options[]: unknownaszero

>  
>             IN the error log I see the following messages -
>  
>                        2010-07-29 13:37:50 -- WARNING: Could not get any data
> from external command '/sw/unicorn/bin/stats_rpc_client cfCifsOpenFiles'
>                        Maybe the external command did not even start. (Illegal
> seek)
>                       2010-07-29 13:38:00 -- WARNING: Could not get any data
> from external command '/sw/unicorn/bin/stats_rpc_client cfCurrentCacheVolume'
>                       Maybe the external command did not even start. (Illegal
> seek)

-- 
Daniel J McDonald, CCIE # 2495, CISSP # 78281