[Engine-devel] hosted engine in 3.4

[Sandro Bonazzola]

Il 14/03/2014 10:22, Jiri Moskovcak ha scritto:
> On 03/14/2014 10:17 AM, Sandro Bonazzola wrote:
>> 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.
>>
> 
> Sure, I'm about to create them, btw, I'm a new developer assigned to the hosted-engine so I'll be probably fixing those issues with you :)

welcome aboard :-)

> 
> --Jirka
> 
>>
>>>
>>> -- 
>>> Martin Sivák
>>> msivak at redhat.com
>>> Red Hat Czech
>>> RHEV-M SLA / Brno, CZ
>>>
>>> _______________________________________________
>>> Engine-devel mailing list
>>> Engine-devel at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/engine-devel
>>>
>>
>>
> 


-- 
Sandro Bonazzola
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