[Nagios-users] check_nt - MEMORY USAGE

Discussion:

[Nagios-users] check_nt - MEMORY USAGE - incorrect results

Andrew Thompson

2013-01-09 17:55:16 UTC

Hi all,

Using the supplied check_nt plugin to check Memory Usage on Windows servers.

Some report correctly, others report a complete load of old tosh!!!

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.

Some examples

MY primary domain controller - Windows Server 2008 R2 (x64) - 8GB ram installed

Output from the check appears correct:
Memory usage: total:8205.64 Mb - used: 2902.96 Mb (35%) - free: 5302.67 Mb (65%)

Another 2008 R2 (x64) server box (has SQL installed on it) - 12GB ram installed

Output thinks its got 24GB:
Memory usage: total:24573.16 Mb - used: 1796.71 Mb (7%) - free: 22776.45 Mb (93%)

A Server 2003 Standard (x86) box (an internal test web server) - 512MB ram installed

Output thinks its got over 1GB:
Memory usage: total:1257.50 Mb - used: 333.30 Mb (27%) - free: 924.20 Mb (73%)

A Server 2012 (x64) box (with HyperV installed) - 28GB ram installed

Output thinks tis got 32GB:
Memory usage: total:32500.80 Mb - used: 16709.37 Mb (51%) - free: 15791.43 Mb (49%)

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?

Thanks in advance for anybodies input.

Regards

omar saddiki

2013-01-10 08:55:20 UTC

Permalink

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).

Hi all,****
** **
Using the supplied check_nt plugin to check Memory Usage on Windows
servers.****
** **
Some report correctly, others report a complete load of old tosh!!!****
** **
I have tried 3 different versions of Windows OS, the version seems to make
no odds.****
Doesnt matter if 32 or 64 bit either.****
** **
** **
** **
Some examples****
** **
** **
** **
MY primary domain controller Windows Server 2008 R2 (x64) 8GB ram
installed****
** **
Output from the check appears correct:****
Memory usage: total:8205.64 Mb - used: 2902.96 Mb (35%) - free: 5302.67 Mb
(65%)****
** **
** **
** **
Another 2008 R2 (x64) server box (has SQL installed on it) 12GB ram
installed****
** **
Output thinks its got 24GB:****
Memory usage: total:24573.16 Mb - used: 1796.71 Mb (7%) - free: 22776.45
Mb (93%) ****
** **
** **
** **
** **
A Server 2003 Standard (x86) box (an internal test web server) 512MB ram
installed****
** **
Output thinks its got over 1GB:****
Memory usage: total:1257.50 Mb - used: 333.30 Mb (27%) - free: 924.20 Mb
(73%)****
** **
** **
** **
A Server 2012 (x64) box (with HyperV installed) 28GB ram installed****
** **
Output thinks tis got 32GB:****
Memory usage: total:32500.80 Mb - used: 16709.37 Mb (51%) - free: 15791.43
Mb (49%)****
** **
** **
** **
** **
Anybody any ideas as to why check_nt is returning incorrect info. I know
its incorrect but Nagios doesnt so where exactly is it reading these
values from?****
** **
Thanks in advance for anybodies input.****
** **
Regards****
** **
** **
** **
------------------------------------------------------------------------------
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_______________________________________________
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--
Cordialement,

Omar SADDIKI
Master Réseaux et Systèmes

Matthew Jurgens

2013-01-10 09:20:50 UTC

Permalink

Try www.edcint.co.nz/checkwmiplus using the checkmem mode and see if it
works ok for you

Post by 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).
Hi all,
Using the supplied check_nt plugin to check Memory Usage on Windows servers.
Some report correctly, others report a complete load of old tosh!!!
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.
Some examples
MY primary domain controller -- Windows Server 2008 R2 (x64) --
8GB ram installed
Memory usage: total:8205.64 Mb - used: 2902.96 Mb (35%) - free: 5302.67 Mb (65%)
Another 2008 R2 (x64) server box (has SQL installed on it) -- 12GB
ram installed
Memory usage: total:24573.16 Mb - used: 1796.71 Mb (7%) - free: 22776.45 Mb (93%)
A Server 2003 Standard (x86) box (an internal test web server) --
512MB ram installed
Memory usage: total:1257.50 Mb - used: 333.30 Mb (27%) - free: 924.20 Mb (73%)
A Server 2012 (x64) box (with HyperV installed) -- 28GB ram installed
Memory usage: total:32500.80 Mb - used: 16709.37 Mb (51%) - free: 15791.43 Mb (49%)
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?
Thanks in advance for anybodies input.
Regards
------------------------------------------------------------------------------
Master Java SE, Java EE, Eclipse, Spring, Hibernate, JavaScript, jQuery
and much more. Keep your Java skills current with LearnJavaNow -
200+ hours of step-by-step video tutorials by Java experts.
http://p.sf.net/sfu/learnmore_122612
_______________________________________________
Nagios-users mailing list
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when
reporting any issue.
::: Messages without supporting info will risk being sent to /dev/null
--
Cordialement,
Omar SADDIKI
Master Réseaux et Systèmes
------------------------------------------------------------------------------
Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS,
MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft
http://p.sf.net/sfu/learnmore_122712
_______________________________________________
Nagios-users mailing list
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
::: Messages without supporting info will risk being sent to /dev/null

--
Smartmon System Monitoring <http://www.smartmon.com.au>
www.smartmon.com.au <http://www.smartmon.com.au>

C. Bensend

2013-01-10 13:57:01 UTC

Permalink

Not entirely accurate.

I just started troubleshooting a Win2008 R2 system yesterday - it has
16GB of physical RAM + 16 GB pagefile for a total of 32GB of virtual
memory.

The system is using 10.9GB of physical RAM, yet check_nt tells me
it's using 2.69GB. Completely wrong, even if check_nt was only
talking about physical, only talking about virtual, or talking about
the sum.

Solution? Remove yet another checkcommand using that outdated
program.

Benny

--
Cordialement,
Omar SADDIKI
Master Réseaux et Systèmes
------------------------------------------------------------------------------
Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS,
MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft
http://p.sf.net/sfu/learnmore_122712_______________________________________________
Nagios-users mailing list
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when
reporting any issue.
::: Messages without supporting info will risk being sent to /dev/null

--
"The very existence of flamethrowers proves that sometime, somewhere,
someone said to themselves, 'You know, I want to set those people
over there on fire, but I'm just not close enough to get the job
done.'" -- George Carlin

Scott Wilkerson

2013-01-10 14:03:11 UTC

Permalink

check_nt 's MEMUSE includes the page file.

If you use checkMem via NRPE you can choose only physical

http://www.nsclient.org/nscp/wiki/CheckSystem/checkMem

Scott Wilkerson
Technical Support Specialist
___
Email: ***@nagios.com
Web: www.nagios.com

Post by Andrew Thompson
Hi all,
Using the supplied check_nt plugin to check Memory Usage on Windows servers.
Some report correctly, others report a complete load of old tosh!!!
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.
Some examples
MY primary domain controller -- Windows Server 2008 R2 (x64) -- 8GB
ram installed
Memory usage: total:8205.64 Mb - used: 2902.96 Mb (35%) - free: 5302.67 Mb (65%)
Another 2008 R2 (x64) server box (has SQL installed on it) -- 12GB ram
installed
Memory usage: total:24573.16 Mb - used: 1796.71 Mb (7%) - free: 22776.45 Mb (93%)
A Server 2003 Standard (x86) box (an internal test web server) --
512MB ram installed
Memory usage: total:1257.50 Mb - used: 333.30 Mb (27%) - free: 924.20 Mb (73%)
A Server 2012 (x64) box (with HyperV installed) -- 28GB ram installed
Memory usage: total:32500.80 Mb - used: 16709.37 Mb (51%) - free: 15791.43 Mb (49%)
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?
Thanks in advance for anybodies input.
Regards
------------------------------------------------------------------------------
Master Java SE, Java EE, Eclipse, Spring, Hibernate, JavaScript, jQuery
and much more. Keep your Java skills current with LearnJavaNow -
200+ hours of step-by-step video tutorials by Java experts.
http://p.sf.net/sfu/learnmore_122612
_______________________________________________
Nagios-users mailing list
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
::: Messages without supporting info will risk being sent to /dev/null

FTL Nagios

2013-01-10 14:50:44 UTC

Permalink

Thankyou I will look at this instead.

Thanks to all for your input and help

From: Scott Wilkerson [mailto:***@nagios.com]
Sent: 10 January 2013 14:03
To: Nagios Users List
Subject: Re: [Nagios-users] check_nt - MEMORY USAGE - incorrect results

check_nt 's MEMUSE includes the page file.

If you use checkMem via NRPE you can choose only physical

http://www.nsclient.org/nscp/wiki/CheckSystem/checkMem

Scott Wilkerson
Technical Support Specialist
___
Email: ***@nagios.com <mailto:***@nagios.com>
Web: www.nagios.com <http://www.nagios.com>

On 1/9/2013 11:55 AM, Andrew Thompson wrote:

Hi all,

Using the supplied check_nt plugin to check Memory Usage on Windows servers.

Some report correctly, others report a complete load of old tosh!!!

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.

Some examples

MY primary domain controller - Windows Server 2008 R2 (x64) - 8GB ram
installed

Output from the check appears correct:

Memory usage: total:8205.64 Mb - used: 2902.96 Mb (35%) - free: 5302.67 Mb
(65%)

Another 2008 R2 (x64) server box (has SQL installed on it) - 12GB ram
installed

Output thinks its got 24GB:

Memory usage: total:24573.16 Mb - used: 1796.71 Mb (7%) - free: 22776.45 Mb
(93%)

A Server 2003 Standard (x86) box (an internal test web server) - 512MB ram
installed

Output thinks its got over 1GB:

Memory usage: total:1257.50 Mb - used: 333.30 Mb (27%) - free: 924.20 Mb
(73%)

A Server 2012 (x64) box (with HyperV installed) - 28GB ram installed

Output thinks tis got 32GB:

Memory usage: total:32500.80 Mb - used: 16709.37 Mb (51%) - free: 15791.43
Mb (49%)

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?

Thanks in advance for anybodies input.

Regards

----------------------------------------------------------------------------
--
Master Java SE, Java EE, Eclipse, Spring, Hibernate, JavaScript, jQuery
and much more. Keep your Java skills current with LearnJavaNow -
200+ hours of step-by-step video tutorials by Java experts.
SALE $49.99 this month only -- learn more at:
http://p.sf.net/sfu/learnmore_122612

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::: Please include Nagios version, plugin version (-v) and OS when reporting
any issue.
::: Messages without supporting info will risk being sent to /dev/null

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