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SCOM 2012 Monitoring Windows Cluster servers

Posted on 2012-08-16
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SCOM 2012 Monitoring has 2 maintenance modes : SCOM Agents and Server Up/Down.

I would like to know when putting Windows cluster (SQL or Exchange) nodes in maintenance mode, which type of the maintenance mode they should be on?
I am not sure whether when manually failing over resources from one node to another if this will generate alerts. if so this might require SCOM Agents  maintenance mode.
When rebooting, I believe this requires Server Up/Down maintenance mode.


Any comments on my statement above to see if I am understanding well the SCOM maintenance modes.

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Question by:jskfan
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Nagendra Pratap Singh earned 2000 total points
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When you failover certain services, the host obviously does not go down so Server Up/Down does not help much.

You have to downtime only the services which are being failed over and also the ones which depend on this for a reasonable time only.

For the SQL case, you should downtime services like the DB engine only.

http://support.microsoft.com/kb/2704170

http://www.fortypoundhead.com/showcontent.asp?artid=23879
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by:jskfan
ID: 38304321
<<When you failover certain services, the host obviously does not go down so Server Up/Down does not help much.>>

What about the SCOM Agents, would this trigger an alert ?
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by:Nagendra Pratap Singh
Nagendra Pratap Singh earned 2000 total points
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You want to disable SCOM agents? This will generate alerts for sure.

You can just disable the exact checks for 15 minutes or so.
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by:jskfan
ID: 38304338
when you failover cluster resources would SCOM Agents trigger an alert ?
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by:jskfan
ID: 38307921
npsingh123:

Let me make sure you understood my question:

Case 1: when I want to reboot a single server (which is not part of the cluster) , I can just use the Server UP/DOWN maintenance mode. Correct ?

Case2: When I want to manually fail over resources from one server (an active  node which is part of the cluster to a passive node) then reboot the ex. active node that is now the passive. Do I need to enable both SCOM agents Maintenance mode as well as Server Up/Down Maintenance mode ?

Case 3: When I want to just reboot a passive node of a cluster ( with no fail over  of any resources, seeing that as a passive node it has no resources at all). Do I need just to enable Server Up/Down maintenance mode Or I need to enable SCOM agents as well, considering the heart beat that might generate unwanted alerts?


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by:jskfan
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