Return Codes? (was RE: Remotely Checking Windows: Mapped Network Drives)

[Robert Reeves]

Now that I have my mapped network drives on remote hosts being checked,
I'm getting false negatives.

My script is reporting the following string to NRPE NT and then to
Nagios:

CRITICAL U: - Percentage Free = 9% (2200961024/23583522816) 

However, it's saying that's OK when it clearly has CRITICAL at the
beginning of the response. The same for warnings:

WARNING V: - Percentage Free = 16% (5904531456/36124491776) 

I thought that Nagios looking for OK, WARNING and CRITICAL in the return
and classified it accordingly? Do I neet to provide a return code for
warning or critical states?

Thanks!

Robert 

-----Original Message-----
From: Robert Reeves 
Sent: Tuesday, January 03, 2006 3:50 PM
To: Robert Reeves; Subhendu Ghosh
Cc: nagios-users at lists.sourceforge.net
Subject: RE: [Nagios-users] Remotely Checking Windows: Mapped Network
Drives

I got it working.

Add this to your nrpe.cfg file...
command[check_nrpe_new_disk]=C:\WINNT\system32\cscript.exe /Nologo
C:\nrpe\plugins\checkmappednetworkdrives.vbs $ARG1$ $ARG2$ $ARG3$

Here's checkmappednetworkdrives.vbs...

'On Error Resume Next

DeviceName = WScript.Arguments.Item(0)
'Wscript.Echo "DeviceName=" & DeviceName WarningPercentage =
WScript.Arguments.Item(1) 'Wscript.Echo "WarningPercentage=" &
WarningPercentage CriticalPercentage = WScript.Arguments.Item(2)
'Wscript.Echo "CriticalPercentage=" & CriticalPercentage

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer &
"\root\cimv2")

Set colItems = objWMIService.ExecQuery("Select * from
Win32_MappedLogicalDisk WHERE DeviceID=""" & DeviceName & """")

For Each objItem in colItems
	PercentageFree = objItem.FreeSpace / objItem.Size
	PercentageFree = Int(PercentageFree * 100)
	
	If (PercentageFree <= Int(CriticalPercentage)) Then
		ReturnCode = "CRITICAL"
	ElseIf (PercentageFree <= Int(WarningPercentage)) Then
		ReturnCode = "WARNING"
	Else
		ReturnCode = "OK"
	End If

	Wscript.Echo ReturnCode & " " & objItem.DeviceID & " -
Percentage Free = " & PercentageFree & "% (" & objItem.FreeSpace & "/" &
objItem.Size & ")"	
Next


-----Original Message-----
From: nagios-users-admin at lists.sourceforge.net
[mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of Robert
Reeves
Sent: Wednesday, December 21, 2005 10:39 AM
To: Subhendu Ghosh
Cc: nagios-users at lists.sourceforge.net
Subject: RE: [Nagios-users] Remotely Checking Windows: Mapped Network
Drives

All are WindowsXP. 

I'll look into WMI32_MappedLogicalDisk. Have you had success with that
before?

Thanks!

Robert

-----Original Message-----
From: nagios-users-admin at lists.sourceforge.net
[mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of Subhendu
Ghosh
Sent: Wednesday, December 21, 2005 10:03 AM
To: Robert Reeves
Cc: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Remotely Checking Windows: Mapped Network
Drives

On Wed, 21 Dec 2005, Robert Reeves wrote:

> I have several windows servers that use mapped network drives. At 
> times, these drives become unavailable and halt services. I would like

> to be able to monitor these drives.
>
> I have both NRPE_NT and nsclient running on the Windows boxes. Both 
> responses are not working for me:
>
> NRPE
> Status: OK
> Status Information: DEBUG : 12/21/05 08:59:15: GetDiskFreeSpaceEx() 
> returned an error
>
> Nsclient:
> Status: UNKNOWN
> Status Information: Free disk space : Invalid drive
>
> I have attempted to run both services as the SYSTEM account and as a 
> valid domain user. Both result in the same response.
>
> There is an earlier thread that suggests granting the SYSTEM user 
> permissions to the share. However, due to some uniqueness with how we 
> set up the mapped network drives, I am unable to change the 
> permissions on the shares. There are from a Linux box running Samba.
>
> Does anybody have a solution for this? I simply need to make sure the 
> drives are accessible from the Windows server, so I'm willing to go in

> a different location instead of checking free space left.
>
> Thanks,
>
> Robert
>

server os - win2k or win2k3?

Have you tried using NRPE_NT with a script that uses the
WMI32_MappedLogicalDisk to enumerate mapped disks?


--
-sg


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