On Sat, Aug 22, 2020 at 6:26 PM Michael Jones <m...@mikejonesey.co.uk> wrote:
>
> On 20/08/2020 20:55, Michael Jones wrote:
>
> On 19/08/2020 14:48, Michael Jones wrote:
>
> On 19/08/2020 12:12, Michael Jones wrote:
>
> On 19/08/2020 10:41, Nir Soffer wrote:
>
> There is no warning the method was deprecated and will be missing 
> functionality.
>
> The steps detailed on the alt install page are for the all-in-one running 
> engine-setup.
>
> It's also worth noting this works fine in;
>
> Version 4.3.1.1-1.el7
>
> but not in;
>
> Version 4.4.1.10-1.el8
>
> (el8 has the change in imageio daemons)
>
> The alternate install method is still useful to have, but i think a red 
> warning about all-in-one on el8 on that page would be good.
>
> Kind Regards,
> Michael Jones
>
> Micheal, can you file a bug for this?
>
> If you have a good use case for all-in-one deployment (not using
> hosted engine), please explain
> it in the bug.
>
> Personally I think simple all-in-one deployment without the complexity
> of hosted engine is better,
> and we should keep it, but for this we need to teach engine to handle
> the case when the proxy
> and the daemon are the same server.
>
> In this case engine will not try to setup a proxy ticket, and image
> transfer would work directly
> with the host daemon.
>
> I'm not very optimistic that we will support this again, since this
> feature is not needed for RHV
> customers, but for oVirt this makes sense.
>
> Nir
>
> Yes, I can file a bug,
>
> The main usage / setup's I have are;
>
> on-prem installs:
>
> - hosted engine
> - gluster
> - high availiblity
> - internal ip address
> - easy great...
>
> dedicated host provider for example OVH single machine:
>
> - alternate install
> - all-in-one
>
> The main reason for the separation is that using the cockpit install / hosted 
> engine install causes problems with ip allocations;
>
> cockpit method requires 1x ip for host, and 1x ip for engine vm, and both ip 
> must be in the same subnet...
>
> applying internal ip would cut off access, and to make it even harder, 
> getting public ip blocks didn't work as the box main ip wouldn't be in the 
> same subnet, adding nic alias ip doesn't work either (fail on install due to 
> failing to setup ovirtmgmt network).
>
> atm, i'll struggle with changing the machine's main ip to be one of the same 
> subnet with the engine one... (currently causes host to be taken offline due 
> to hosting provider, health checks)
>
> provided i can change the host primary ip to be one of the OVH failover ip 
> allocated in a block... i will be able to install using the cockpit.
>
> and after the install i can setup internal ip with the network tag.
>
> Kind Regards,
>
> Mike
>
> despite managing to get OVH to disable monitoring (ping to the main ip, and 
> rebooting host) and getting the host in the same ip range as the engine vm...
>
> ie:
>
> host ip: 158.x.x.13/32 = not used anymore
>
> new subnet: 54.x.x.x/28
>
> and reserving;
> host = 54.x.x.16
> engine = 54.x.x.17
>
> [ ERROR ] The Engine VM (54.x.x.17/28) and the default gateway (158.x.x.254) 
> will not be in the same IP subnet.
>
> the hosted engine installer crashes due to the gw being in a different 
> subnet, so all three;
>
> - host
> - engine
> - gateway
>
> must be in the same subnet...
>
> this rules out an install on ovh dedicated server.
>
> unless... I can install the all-in-one again (this bit works), and then 
> install the engine vm in an existing all-in-one setup...
>
> essentially the cockpit installation is not compatible with this infra setup.
>
> After going through the documentation again, I understand the best way to 
> approach this would be to have a remote manager, ie;
>
> self hosted engine (on-prem) > host/2nd DC/Cluster (remote/ovh)
>
> standalone manager (on-prem) > host/2nd DC/Cluster (remote/ovh)
>
> That way resolves the ip issues (only need host ip, just don't install the 
> manager on the remote server)
>
> outstanding... i need to workout the security implications of this.
>
> shame all-in-one is gone, but the above does work, and even means the remote 
> host can again use local storage.
>
> I'll raise the bug report now i've finished testing, as I think stand alone, 
> all-in-one, dedicated hosts are affordable and open ovirt to a wider user 
> base (keeping hardware requirements minimal).
>
> Thanks again,
>
> Mike
>
> Bug raised:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1871348

Thanks, but we need more info why you cannot use the recommended deployment.
See my questions in the bug.
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