[Users] Removing orphaned hosts

[Rob Abshear]

I have an oVirt installation with two datacenters.  One datacenter 
called "Dev" has three nodes that are just PCs and live in a datacenter 
called "Development". The other is a production cluster called "DMZ" 
with two Dell servers and it lives in a data center called 
"Production".  I had to bring all our servers down for some electrical 
maintanance in the building, so I brought down all running VMs 
gracefully and brought down all hosts gracefully.  When I brought the 
servers back up, the Dev cluster came up fine, but the DMZ cluster's 
hosts would never go green.  I could put them in maintenance mode and 
reinstall them, but they would still not come "UP".  I worked with this 
for hours with no change in my situation. Finally, I made the decision 
to remove the datacenter and rebuild it.  I force removed the Production 
data center.

Now here is my situation.  I have two nodes in a cluster called DMZ that 
are not in any datacenter.  I can put them in maintenance mode and 
reinstall them, but they never come up afterward.  I can't remove either 
one because" Error while executing action: Cannot remove Host. Related 
operation is currently in progress. Please try again later."  I just 
don't know how to get back from this.  All the VMs from this datacenter 
are sitting on a NAS.  I tried to create another data center and import 
the data domain, but I realize this isn't supported, so that is one 
issue.  When I try to just remove the DMZ cluster, it won't let me 
because "Error while executing action: Cannot remove default Host Cluster."

-- 


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