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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.<br>
<br>
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<big> "</big>
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background-color: rgb(255, 255, 255); display: inline !important;
float: none;"><big><font face="sans-serif">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."<br>
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