[Users] Removing orphaned hosts

[Alon Bar-Lev]

----- Original Message -----
> From: "Rob Abshear" <rabshear at citytwist.net>
> To: users at ovirt.org
> Sent: Friday, November 8, 2013 4:41:53 PM
> Subject: [Users] Removing orphaned hosts
> 
> 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.

it happened to me once, after I restarted the engine I could move hosts to maintenance mode and remove.

can you please try it out?

> 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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