On Tue, May 22, 2018 at 5:35 PM, Simone Tiraboschi <stira...@redhat.com> wrote:
> > > On Tue, May 22, 2018 at 5:27 PM, Simone Tiraboschi <stira...@redhat.com> > wrote: > >> Hi, >> Adding also Marcin here. >> I reproduced it as well and I can confirm that the external provider was >> called 'OVN' by default at 4.1 time but now engine-setup will create by >> default a new provider called 'ovirt-provider-ovn'. >> Both the two providers are now configured in the engine to be reached at >> https://<enginevm_ip>:9696 >> >> The engine can successfully talk with ovirt-provider-ovn while I get >> errors like 'Error while listing external networks: EngineException: >> (Failed with error Connection reset and code 5050)' when I try to query >> the old OVN provider. >> Logical networks previously attached to the old OVN provider are still >> there in the engine and they are still attached to the old OVN provider. >> Unfortunately I'm not able to start/restart VMs with interfaces on a >> logical network defined on the OVN provider. >> I manually recreated the missing networks on the new 'ovirt-provider-ovn' >> provider and I reattached my VMs there and at that point I was finally able >> to start again my VMs. >> > > > Another strange behavior. > I was't able to remove the old OVN provider since a few logical networks > was still attached to that. > So I removed all of them from the engine and then I manually removed the > old OVN provider and only at this point all of my old logical networks > manually reappeared in the engine as attached to the new 4.2 > 'ovirt-provider-ovn'. > > Thank you very much Simone for your tests! This is a test environment, but with about 40 VMs of a certain importance and I would like to preserve it in 4.2 So with your tests you are confirming that the engine-setup for updating engine completes without problems and impacts on current databases and then the update of the hosts doesn't go into exception, correct? I can manage to have a temporary downtime for the few VMs defined on ovn (mainly used as intracluster network) and re-setup them on the new provider in 4.2 Just a curiosity: does this mean that when the engine-setup should configure the Northbound and Southbound DBs (and not... bridge... as I wrote before ;-) it simply skips without aborting? This was one of my major concerns... Gianluca
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