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adding hosts (cluster) when SCVMM is a VM

Posted on 2011-02-10
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Last Modified: 2012-05-11
Is it possible to add the cluster on which SCVMM is running as a VM in SCVMM ?  I know it's not supported.  When the cluster is refeshing it seems to freeze because the VM is unavailable.  

Thanks
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Question by:quadrumane
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brent_caskey earned 500 total points
ID: 34882191
I have this running in a lab environment and aside from a few quirks with updating status - and missing status when there was a BSOD (which required a live migrate to the node that SCVMM thought it was on) I havent had any issues. Most of the issues with this setup are with the management of the node that is running SCVMM. You will need to perform some steps with windows failover cluster (like migrate the SCVMM system to the host that is going to stay up while performing maintenance prior to setting the host in maintenance mode). This is a lab environment however - so Im not sure how a production load would perform.

Usually for production I run a physical system. However, SCVMM is supported as a VM. It just requires some additional steps in windows failover cluster that you wouldnt have to do normally if it is on a cluster.
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by:quadrumane
ID: 34885104
Thanks

But when the host cluster is refreshing, SCVMM will freeze before being migrated by  the host.  As you know, SCVMM is managed at the failover cluster level (the other VMs are managed from SCVMM)

I've been adding the host cluster 3 times to reproduce the problem.  Each time the host where SCVMM was installed got a blue screen, rebooted itself.  SCVMM has been moved to another host but the refresh host cluster operation has not been completed.  

I could complete the operation.  But I really think SCVMM shouldn't be placed in a cluster.  
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by:brent_caskey
brent_caskey earned 500 total points
ID: 34885518
I agree - for optimal operation, SCVMM shouldnt be in the cluster that it is managing. However, it will install and function for other tasks like VM deployment, templates, self service portal, etc. The management of the failover cluster does have some quirks when the SCVMM instance is in the cluster it is managing.

So - in short, can it be done - Yes. Should it be done - No.

Im not sure why you are getting BSOD's though. I have not had that problem up to this point.
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