[Xymon] Xymon, external script question

[David Baldwin]

Taylor,
>
> Hi all, we manage several hundred hosts, and we’ve noticed when doing
> maintenance that requires shutdown/reboot  that occasionally (seldom)
> on restart one or more of the memory modules in a given host isn’t
> detected.  Sometimes it requires reseating the memory, sometimes just
> a reboot, sometimes the memory is bad.  Thus we have a need to write a
> script that will check the amount of memory each host sees, and send
> an email/alert if its below a given amount.
>
>  
>
> So I thought why not make use of xymon and the memory test you get for
> free.  A large percentage of our hosts >60% have exactly 6 GB of
> memory, but a large percentage does not.  So I was wondering if there
> is a way to make use of the hobbit-clients.cfg script where I could
> set alert thresholds for a new external script.
>
>  
>
The MEMORY thresholds are percentage only rather than absolute amounts.
>
> The default value for any host would be alert if less than 6.0 GB of
> memory is detected, but I could set custom alerts for given hosts that
> have more or less than this amount.
>
>  
>
> I don’t believe its possible to use hobbit-client.cfg file in this
> way, but wanted to check with the list and hope I’m wrong.
>
>
You could easily do this by checking the incoming client reports using
check-client:

http://xymonton.org/doku.php/monitors:check-client

The memCheck in that test was written for incorrectly configured ESX
service consoles by checking the [free] section. Easily enough modified
to check [memory] section's "phys" line.

David.

-- 
David Baldwin - IT Unit
Australian Sports Commission          www.ausport.gov.au
Tel 02 62147830 Fax 02 62141830       PO Box 176 Belconnen ACT 2616
david.baldwin at ausport.gov.au          Leverrier Street Bruce ACT 2617


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