[ovirt-users] Re: Issue upgrading from 4.3 (Centos 7) to 4.4 (Centos 8)

On Wed, May 5, 2021 at 4:20 PM Derek Atkins <derek(a)ihtfp.com&gt; wrote: > > Hi, > > On Wed, May 5, 2021 1:40 am, Yedidyah Bar David wrote: > > > >> And how about engine storage domain? I have a new NFS mount ready but > it > >> did not ask me about which storage domain to use. Will it ask in > later > >> stage? > > > > Yes, storage is handled (also asked about) in a later stage, after the > > engine is up and the host added to it.. This is a change from <= 4.2, > > and was done so that we can use the engine (and vdsm) for this, > > instead of duplicating their functionality in the deploy code. > > Color me confused... How does this work? Please review: https://www.ovirt.org/images/Hosted-Engine-4.3-deep-dive.pdf

> If I'm installing CentOS and then the Engine into the Hosted-Engine VM, > don't I need a storage domain for that OS defined in order for me to > install the OS into the VM? This sounds like a bootstrapping problem? > > Or do I install into some temporary storage and then once the Engine + > VDSM are up and running I can assign the permanent storage and it will > save/copy the temporary storage over to the permanent storage? But in > the latter case, that would imply the ability to move the hosted-engine > storage domain from one place to another? > > Or does 4.4 remove the ability to install the hosted-engine into a > CentOS > OS and instead one must always use a Hosted Engine appliance? > > NB: I installed back at 4.0 and have been upgrading ever since, so I've > never had to re-install the engine from scratch; I know I will need to > do > that if I ever decide to upgrade from 4.3.10 to 4.4 (which, frankly, I > am > not looking forward to doing any time soon). > > > Good luck and best regards,