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SCOM 2012 disk space monitoring

Posted on 2014-09-10
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Last Modified: 2014-09-22
Hi,

I am looking for a guide on how to setup monitoring for disk space in SCOM. I would like to set a different thresholds for different servers. Could you advise what is the easiest way to accomplish this?

Any help would be much appreciated.
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Question by:Contigo1
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by:Rich Weissler
ID: 40316915
Have you already found the Technet Documentation on Tuning and Overrides?
I believe the Windows 2012 Operating System Management Pack is built in to the default install of SCOM... but whether it is or not, you can pull down the latest version from the MIcrosoft Download Center.  

If you have different thresholds you want to set, but have a few different classes of those thresholds, I'd be tempted to create groups of drives ('Authoring', 'Groups', Create new group, and use the wizard to define which Logical drives you want in each group.)...

Then in Authoring, Management Pack Objects, Monitoring, find the what you want to monitor.  I assume, for example, Windows Server 2012 Logical Disk : Logical Disk Free Space, and Override > Override the monitor > for a group, and define the differences for the that group of logical disks.

Creating the groups are optional, you CAN define different thresholds for each different disk.
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by:Contigo1
ID: 40323205
Hi,

Thanks for your response. I have gone through the steps you mentioned above. In order for the override to take effect could you advise if I have checked the relevant boxes in order for the override to take effect? Could you also advise if an alert will be generated if the disk space exceeds the threshold?

I have attached a screenshot override properties.

Thanks,
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by:Contigo1
ID: 40323206
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Rich Weissler earned 500 total points
ID: 40323919
Looking at the screenshot, two specifics:

1. In the override, you'll want to set 'enabled' to true.  While it's false, it's essentially inactive.

2. Be aware that both the % AND fixed amount of free space have to 'trip' before an alert is raised. (If for example, you hit 3% of free space, and still have 1000 MB of free space on a non-system drive, I don't believe you'll get a Critical 'unhealthy'.  Both thresholds have to be passed before you'd get 'Critical'.) And once an alert is raised for the monitor... you'll only get one alert unless that state changes.  (I.e. You'll trigger an alert at Healthy to Warning, (and possibly Warning to Healthy as an alert with 'resolved' state), but you won't receive a Warning to Critical alert... because an unhealthy state has already been reached.)
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