Logical Disk Space Results - Convert to GBytes

Hi there
I'm using my own logical disk space alerts that's not part of the built-in two-state monitor. The only problem I'm facing at the moment is that within the alert description, I need to get the attribute that shows Mbytes converted/changed to Gbytes.
The way I understand is that I would be able to do this via the Attribute wizard, over a WMI query.
Once I have my query working, I can then edit my monitor description and add in this new attribute which then insert the results into my description - if this all makes sens.
So.
My issue:
I need this query: SELECT Size FROM Win32_LogicalDisk WHERE DeviceID ='$Target/Property[Type="Windows!Microsoft.Windows.LogicalDevice"]/DeviceID$'
To divide the result by 1024/1024/1024 (Three times) in order to get the logical disk size in GBytes.
A TB drive returning in MB's in 3AM in the morning is a little tough to read :-) - So showing in Gbytes will be a lot simpler for the monitoring team.
Thanks!

Hi guys
Thanks for all of the replies.
I can get it working as a rule. The big challenge for me is to get that GBytes result into my alert description.
An example of my alert description would be:
10GB of 100GB Free
Instead of
10240MB of 102400MB Free
This should be displayed within my e-mail/sms notification once the monitor is triggered.
So getting the performance rule to work with VBScript is fine, but getting that rule result into an alert description is my issue.
Thanks again
Alert description is a direct correlation to the data evaluated during runtime. If your WMI query returns 1, the alert description will display 1. Without using a script and performing calculations for your property bags, you could use the System.Computation
example from bobgreen. The only drawback to this is, your monitoring thresholds will need to be updated to reflect the result of this computation.
Jonathan Almquist | SCOMskills, LLC (http://scomskills.com)

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Hi,
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Writing monitors to target Logical or Physical Disks
http://blogs.technet.com/b/kevinholman/archive/2009/11/24/writing-monitors-to-target-logical-or-physical-disks.aspx
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http://blogs.technet.com/b/kevinholman/archive/2011/11/17/opsmgr-logical-disk-free-space-alerts-don-t-show-percent-and-mb-free-values-in-the-alert-description.aspx
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Do this
Change startup type to Window Management Instrumentation (WMI) Service to disabled
Stop the WMI Service; you may need to stop IP Helper Service first or other dependent services before it allows you to stop WMI Service
Rename the repository folder: C:\WINDOWS\system32\wbem\Repository to Repository.old
Open a CMD Prompt with elevated privileges
CD windows\system32\wbem
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cd /d c:\ ((go to the root of the c drive, this is important))
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Blog: http://theinfraguys.com
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Please remember to click Mark as Answer on the answer if it helps you in anyway

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=> I did this N number of times.
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=> I did this too.
3) ensure that monitor properties are set for the correct Windows OS (same as that of the server).
=>What Do you mean here ?. I did not change any settings , it was there by default. No change was done at all.
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hi
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Does you using Logical Disk Free Space, from Windows Server OS Management Pack, in monitoring the free disk space?
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http://blogs.technet.com/b/kevinholman/archive/2009/11/24/writing-monitors-to-target-logical-or-physical-disks.aspx
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Hi Kevsharp,
Quite confusing after reading your question.
So based on your requirement, What i understand is you need separate alerts for all the drives of the disk is running at low or out of space right ?
For the above just create a simple performance counter monitor and use the same counters as kevin has used in his blog.
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I wanted to see for myself if there was anything else that I might be missing, so I opened up the Windows 2008 Logical Disk Free Space monitor XML and noticed that there is a NumSamples configuration that is set to 4. So, if the interval is 15 minutes, the
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<UnitMonitor ID="Microsoft.Windows.Server.2008.LogicalDisk.FreeSpace" Accessibility="Public" Enabled="true" Target="Server2008!Microsoft.Windows.Server.2008.LogicalDisk" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.Windows.Server.2008.FreeSpace.Monitortype" ConfirmDelivery="true">
<Category>Custom</Category>
<AlertSettings AlertMessage="Microsoft.Windows.Server.2008.LogicalDisk.FreeSpace.AlertMessage">
<AlertOnState>Warning</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>MatchMonitorHealth</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Target/Property[Type="Windows!Microsoft.Windows.LogicalDevice"]/DeviceID$</AlertParameter1>
<AlertParameter2>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</AlertParameter2>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="UnderWarningThresholds" MonitorTypeStateID="UnderWarningThresholds" HealthState="Success" />
<OperationalState ID="OverWarningUnderErrorThresholds" MonitorTypeStateID="OverWarningUnderErrorThresholds" HealthState="Warning" />
<OperationalState ID="OverErrorThresholds" MonitorTypeStateID="OverErrorThresholds" HealthState="Error" />
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<DiskLabel>$Target/Property[Type="Windows!Microsoft.Windows.LogicalDevice"]/DeviceID$</DiskLabel>
<IntervalSeconds>900</IntervalSeconds>
<SystemDriveWarningMBytesThreshold>500</SystemDriveWarningMBytesThreshold>
<SystemDriveWarningPercentThreshold>10</SystemDriveWarningPercentThreshold>
<SystemDriveErrorMBytesThreshold>300</SystemDriveErrorMBytesThreshold>
<SystemDriveErrorPercentThreshold>5</SystemDriveErrorPercentThreshold>
<NonSystemDriveWarningMBytesThreshold>2000</NonSystemDriveWarningMBytesThreshold>
<NonSystemDriveWarningPercentThreshold>10</NonSystemDriveWarningPercentThreshold>
<NonSystemDriveErrorMBytesThreshold>1000</NonSystemDriveErrorMBytesThreshold>
<NonSystemDriveErrorPercentThreshold>5</NonSystemDriveErrorPercentThreshold>
<NumSamples>4</NumSamples>
</Configuration>
</UnitMonitor>
This proves 2 things:
1. Your testing proved that the monitor is working as designed - you got an alert in about an hour
2. This is a bad design at best, or a bug if you wish, as NumSamples should not be a hidden configuration - it should be exposed in override parameters in the console.
This should be fixed by Microsoft.
Jonathan Almquist | SCOMskills, LLC (http://scomskills.com)

How to make a proactive view of the Logical Disk Free Space

Hello,
I was wondering how I could make a view (preferably within a dashboard) that monitors the state of the Logical Disk Free Space values for one or more predefined groups. I can only get this to work with line diagrams but that is pretty hard to read.
I would like to make views like:
1) A simple state view that shows the state of the servers (or disks) in three state form (1. Healthy: 80% or lower; 2. Warning: Between 80% and 90%; 3. Alert: 90% or higher).
2) A view of actual percentages of the disk drives in a table form rather than the usual line diagram.
I prefer the first one the most and seems to be the easiest aswell but I can't seem to get this to work.
I hope that this is possible any like to know how to achieve this.
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Hi Bram,
I think you need to create a new dashboard view for this.
Make a new management pack for this.
Once you create a new management pack.
Go to monitoring TAB
Locate the management pack there and right click and select new Dashboard.
Create a summary view dashboard and then once it is created on the right hand side you will see something like
Performance (Which i edited as LDS report for last 24 hrs as per the screenshot)
Above that you will have a configure option. Click on it and mention the Object, counter and instance and of the LDS performance counter and mention the report duration (Last 1hr or 24 hrs )once you do this dashboard will start collecting the report
for you.
Once you scroll down the report you will get the list of servers in which space is low and how old is that alert
Below is the screenshot for your reference.
Gautam.75801

Logical Disk Space Results - Convert to GBytes

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