check_nt - MEMORY USAGE - incorrect results

[omar saddiki]

this because in your server 2008 you will see that there is a virtual
memory activated, go to Computer proprieties and see in performences you
will have for exemple for " R2 (x64) server box (has SQL installed on it) –
12GB ram installed " 12GB of virtual memory.Finaly, Nagios take the some of
memories ( virual memory + RAM).



2013/1/9 Andrew Thompson <andrew at fulgent.co.uk>

>  Hi all,****
>
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>
> Using the supplied check_nt plugin to check Memory Usage on Windows
> servers.****
>
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>
> Some report correctly, others report a complete load of old tosh!!!****
>
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>
> I have tried 3 different versions of Windows OS, the version seems to make
> no odds.****
>
> Doesn’t matter if 32 or 64 bit either.****
>
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>
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>
> Some examples****
>
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> MY primary domain controller – Windows Server 2008 R2 (x64) – 8GB ram
> installed****
>
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>
> Output from the check appears correct:****
>
> Memory usage: total:8205.64 Mb - used: 2902.96 Mb (35%) - free: 5302.67 Mb
> (65%)****
>
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>
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>
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>
> Another 2008 R2 (x64) server box (has SQL installed on it) – 12GB ram
> installed****
>
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>
> Output thinks its got 24GB:****
>
> Memory usage: total:24573.16 Mb - used: 1796.71 Mb (7%) - free: 22776.45
> Mb (93%) ****
>
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>
> A Server 2003 Standard (x86) box (an internal test web server) – 512MB ram
> installed****
>
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>
> Output thinks its got over 1GB:****
>
> Memory usage: total:1257.50 Mb - used: 333.30 Mb (27%) - free: 924.20 Mb
> (73%)****
>
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>
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> A Server 2012 (x64) box (with HyperV installed) – 28GB ram installed****
>
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> Output thinks tis got 32GB:****
>
> Memory usage: total:32500.80 Mb - used: 16709.37 Mb (51%) - free: 15791.43
> Mb (49%)****
>
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> Anybody any ideas as to why check_nt is returning incorrect info. I know
> its incorrect but Nagios doesn’t so where exactly is it reading these
> values from?****
>
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>
> Thanks in advance for anybodies input.****
>
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>
> Regards****
>
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>
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>



-- 
Cordialement,

 Omar SADDIKI
 Master Réseaux et Systèmes
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