Comment 15 for bug 1817833

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melanie witt (melwitt) wrote :

Another note for my QUEENS recreate, after restarting nova-compute process, I tried to boot an instance and it went to ERROR state with:

{"message": "Host 'ubuntu-xenial' is not mapped to any cell", "code": 400, "created": "2019-11-22T04:10:57Z"}

So then I did:

$ nova-manage cell_v2 discover_hosts

and tried to boot an instance again, and it worked.