[ovirt-devel] Trouble in switch type to OVS process

[Petr Horacek]

2018-01-16 11:05 GMT+01:00 Dmitry Semenov <zend0 at ya.ru>:

> 16.01.2018, 11:39, "Dan Kenigsberg" <danken at redhat.com>:
> > On Tue, Jan 16, 2018 at 10:22 AM, Sandro Bonazzola <sbonazzo at redhat.com>
> wrote:
> >> Adding some relevant people
> >>
> >> 2018-01-15 23:13 GMT+01:00 Dmitry Semenov:
> >>> Hi everyone!
> >>>
> >>> I have installed oVirt ver 4.2 on three nodes with shared storage (FC)
> and linux bridge setting:
> >>> - node01
> >>>
> >>> - node02 (self-hosted Engine host)
> >>>
> >>> - node03 (self-hosted Engine host)
> >>>
> >>> I wanted to set cluster network switch type to OVS (for OVN)
> >>>
> >>> (followed this instruction https://ovirt.org/develop/
> release-management/features/network/provider-physical-network/)
> >
> > Please note that OVN overlays work just fine with Linux Bridge
> switchtype. You need to move to OVS only if you want OVN on non-overlays.
> >
> Dan,
> if I catch you right, I dont need to switch to OVS for creation of
> internal networks with DHCP (for vms) and their routing to external
> networks. Thats true?
>
Yes. You can use default Linux bridge networks. Create an OVN overlay
network with subnet for VMs. Then create a "router" VM that is connected to
both overlay and a physical network, configure routing there.

>
> >>> After this step “Set OVS networking on all vdsm hosts. For each host,
> enable Maintenance mode, Sync All Networks” - my node01 disappeared. I
> don’t know what to do further.
> >
> > In "disappeared" do you mean it became non-responsive? Would you share
> with us your supervdsm.log from the disappearing host?
> >
> After launch of network synchronization all settings of ovirtmgmt
> interface disappeared on node, after that node became unavailable.
>
> supervdsm.log: https://pastebin.com/eW0UpB6j

Thanks, will take a look.

>
>
> >>> For the rest 2 nodes (node02 and node03) i didn’t check this step.
> >>>
> >>> Each node has bond (from 2 NIC), and each bond has configuration with
> 3 VLANS for: ovirtmgmt, migration, display.
> >>>
> >>> How can I return node01 to cluster with OVS and switch other nodes to
> OVS?
> >>>
> >>> Best regards,
> >>>
> >>> _______________________________________________
> >>> Devel mailing list
> >>> Devel at ovirt.org
> >>> http://lists.ovirt.org/mailman/listinfo/devel
> >>
> >> --
> >>
> >> SANDRO BONAZZOLA
> >>
> >> ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
> >>
> >> Red Hat EMEA
> >>
> >> TRIED. TESTED. TRUSTED.
>
>
> --
> Best regards
>
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