[ovirt-users] Deploying hosted engine on second host with different CPU model

[Itamar Heim]

On 07/18/2014 02:05 AM, Andrew Lau wrote:
> I think you should be able specify this within the ovirt-engine, just
> modify the cluster's cpu compatibility. I hit this too, but i think I
> just ended up provisioning the older machine first then the newer ones
> joined with the older model

1. first the host needs to have a compatible cpu model.
    what does 'vdsClient -s 0 getVdsCaps | grep -i flag' returns

2. cluster cpu level is easy, but hosted engine vm config resides on the 
disk, and needs to be manually edited in this case iirc.

>
> On Thu, Jul 17, 2014 at 11:05 PM, George Machitidze
> <gmachitidze at greennet.ge> wrote:
>> Hello,
>>
>> I am deploying hosted engine (HA) on hosts with different CPU models on one
>> of my oVirt labs.
>>
>> Host have different CPU's or there is also the problem: virtualization
>> platform cannot detect CPU at all, "The following CPU types are supported by
>> this host:" is empty:
>>
>>
>> 2014-07-17 16:51:42 DEBUG otopi.plugins.ovirt_hosted_engine_setup.vdsmd.cpu
>> cpu._customization:124 Compatible CPU models are: []
>>
>> Is there any way to override this setting and use CPU of old machine for
>> both hosts?
>>
>> ex.
>> host1:
>>
>> cpu family      : 6
>> model           : 15
>> model name      : Intel(R) Xeon(R) CPU            5160  @ 3.00GHz
>> stepping        : 11
>>
>> host2:
>>
>> cpu family      : 6
>> model           : 42
>> model name      : Intel(R) Xeon(R) CPU E31220 @ 3.10GHz
>> stepping        : 7
>>
>>
>>
>> [root at ovirt2 ~]# hosted-engine --deploy
>> [ INFO  ] Stage: Initializing
>>            Continuing will configure this host for serving as hypervisor and
>> create a VM where you have to install oVirt Engine afterwards.
>>            Are you sure you want to continue? (Yes, No)[Yes]:
>> [ INFO  ] Generating a temporary VNC password.
>> [ INFO  ] Stage: Environment setup
>>            Configuration files: []
>>            Log file:
>> /var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20140717165111-7tg2g7.log
>>            Version: otopi-1.2.1 (otopi-1.2.1-1.el6)
>> [ INFO  ] Hardware supports virtualization
>> [ INFO  ] Stage: Environment packages setup
>> [ INFO  ] Stage: Programs detection
>> [ INFO  ] Stage: Environment setup
>> [ INFO  ] Stage: Environment customization
>>
>>            --== STORAGE CONFIGURATION ==--
>>
>>            During customization use CTRL-D to abort.
>>            Please specify the storage you would like to use (nfs3,
>> nfs4)[nfs3]:
>>            Please specify the full shared storage connection path to use
>> (example: host:/path): ovirt-hosted:/engine
>>            The specified storage location already contains a data domain. Is
>> this an additional host setup (Yes, No)[Yes]?
>> [ INFO  ] Installing on additional host
>>            Please specify the Host ID [Must be integer, default: 2]:
>>
>>            --== SYSTEM CONFIGURATION ==--
>>
>> [WARNING] A configuration file must be supplied to deploy Hosted Engine on
>> an additional host.
>>            The answer file may be fetched from the first host using scp.
>>            If you do not want to download it automatically you can abort the
>> setup answering no to the following question.
>>            Do you want to scp the answer file from the first host? (Yes,
>> No)[Yes]:
>>            Please provide the FQDN or IP of the first host: ovirt1.test.ge
>>            Enter 'root' user password for host ovirt1.test.ge:
>> [ INFO  ] Answer file successfully downloaded
>>
>>            --== NETWORK CONFIGURATION ==--
>>
>>            The following CPU types are supported by this host:
>> [ ERROR ] Failed to execute stage 'Environment customization': Invalid CPU
>> type specified: model_Conroe
>> [ INFO  ] Stage: Clean up
>> [ INFO  ] Stage: Pre-termination
>> [ INFO  ] Stage: Termination
>>
>> --
>> BR
>>
>> George Machitidze
>>
>>
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>> http://lists.ovirt.org/mailman/listinfo/users
>>
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