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SCOM Data Warehouse grooming
So my data warehouse has reached the 150 GB size limit and it’s time to check if everything’s ok. Not that this size is too much, with about 300 agents and 170 MPs in production this is not huge....
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Data warehouse debugging
While I was investigating the data warehouse grooming internals, I found a neat debugging feature that can be turned on to check the internals of DW stored procedures. In the dbo.StandardDataSet table,...
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Troubleshooting Data warehouse arithmetic overflows
In the last weeks, in the wage of R2 RC release, I decided it was time to review all the MPs we developed to prepare an action plan for improvement. I have great expectations for R2. So I started to...
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How to get noisy discovery rules
Frequently changing properties and objects can be one of the causes of poor OpsMgr performance. In RC bits we saw optimizations on this topic, but still you must be aware that every configuration...
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Troubleshooting StateChangeEvent grow
In the past few weeks we had a major issue with our OpsMgr infrastructure. The net effect was the OpsMgr db filling up in a very short period of time (less than 24 hours). Using SQL reporting to check...
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Troubleshooting Exchange 2010 MP aggregations
Here we are once again, many of the errors we found in MPs are related to poor "real world" testing. I guess the tester has an isolated environment where she/he tests only the specific MP and not the...
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A tale of Identity and bad agent behavior
A couple of weeks ago my operational folks notified me of a strange new alert they need to deal with. When I took a look at the RMS I understood a new debugging session was about to start: Alert: Data...
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OpsMgr – Is alert reporting reliable? Reprise with some light.
In my last post Is alert reporting reliable? I focused on three aspects of alerts reporting that make me assert it isn’t reliable: alerts present in the live database, but not present in the data...
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Troubleshooting Exchange 2010 MP aggregations in Operations Manager 2012
A while back in September 2012 I posted about a bug in Exchange 2010 aggregations in the data warehouse(Troubleshooting Exchange 2010 MP aggregations). The issue is still there, at least until version...
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Are your #scom availability reports gray?
After a pretty long time I had to assess IT services availability using some custom Key Health Indicators. Operations Manager with its service based model is the right tool for this kind of assessment...
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