Re: exec problem

hi all,

and sorry for previous multiple post - my mail domain had changed, so I
resubscribed with a new address and reposted, but the list admin
accepted my previous messages as well.

After testing the agent with the -D option, I have found that the
problem is actually caused by the lack of caching. I have a script that
queries both the exit status and the message string from the agent, and
the script is executed in both cases (i.e., no caching takes place).
Thus, there is a chance that the first execution could return a normal
exit status and the second one an error string (or vice versa).

Although the snmpd.conf man page mentions that the agent caches the
return values of 'exec' script, it seems that with newer versions of the
agent this caching is not working anymore. Is there a way to change that
situation, e.g., with some special options for compiling the source?

br,
risto

Risto Vaarandi wrote:
> hi folks,
>
> I am experiencing a problem with the 'exec' directive in the snmpd.conf
> file of the snmpd daemon. I have the following lines in the script that
> is configured for 'exec':
>
> echo Process OK
> exit 0
> ...
> echo Process fault
> exit 1
>
> However, in many occasions the snmpd agent reports the "Process fault"
> string, but 0 as the exit status of the script. I am experiencing this
> problem on SuSe SLES9 platform - both with snmpd 5.1 agent that comes
> with SLES9, and snmpd 5.2.1 agent that I have compiled from the source.
>
> I have been using the exec script described above for years on RedHat
> and Solaris (both with snmpd 4* and 5.0.*), and have never experienced
> anything like this. How can I overcome this problem? If the snmpd agent
> is caching the exit values somewhere, is there a way to switch that
> cache off? Right now I am considering a downgrade from 5.2.1 to 5.0.9 or
> 5.0.8.
>
> br,
> risto
>
>
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Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20
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