[Engine-devel] hosted engine in 3.4

[Sandro Bonazzola]

Il 14/03/2014 10:13, Martin Sivak ha scritto:
> Hi,
> 
>>>> 1. You need to have some MAC address with static ip and FQDN, otherwise
>>>> you have to change /etc/hosts at least for the first part of the setup
> 
> I believe you were there when we were discussing this with pstehlik :)
> 
> Btw in this case you have to change /etc/hosts on all hosts and inside the
> engine VM.
> 
>>>> 2. When the VM install is complete I would expect the setup wizard to
>>>> install the engine to the VM automatically - which at least in my case -
>>>> doesn't happen
> 
> I also proposed kickstart based setup to Sandro. You would give a repo to setup
> and it would download the kernel/initrd from it [1] and create a kickstart with
> the right root password, engine setup and so on..

Ohad is preparing an OVA for allowing a quick setup.
But feel free to open a RFE for the kickstart solution as well.

> 
> [1] http://ftp.linux.cz/pub/linux/fedora/linux/releases/20/Fedora/x86_64/os/images/pxeboot/
> 
>>>> 1. once I managed to install the engine to the vm it tried to add the
>>>> host it was running on to the engine and it failed with a message "Host
>>>> compatibility version doesn't match the cluster compatibility version",
>>>> and then it marked the host as non operational which killed the vm with
>>>> the engine, so the engine actually committed suicide…
> 
> Check your VDSM version. Especially the content of /usr/share/vdsm/dsaversion.py
> file. There are couple of lists specifying the cluster and engine versions that
> the VDSM supports.
> 
> If you use 3.4 engine it needs 3.4 VDSM as well.. and the prerelease repo is not
> enabled by default.
> 
>>>> mistake I think the engine should be a bit more clever and not kill itself
>>>
> 
> I think it is the VDSM that does the actual killing :)
> 
> But overall I agree, the setup is too fragile and I encountered all of the issues
> when installing hosted engine for the first time too.

Please be sure to have a BZ for each issue you encountered.
We'll try to address them.


> 
> --
> Martin Sivák
> msivak at redhat.com
> Red Hat Czech
> RHEV-M SLA / Brno, CZ
> 
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> 


-- 
Sandro Bonazzola
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