[ovirt-users] Add more hosts

[Davide Ferrari]

Ok, HE moved to host1...now, sorry for being so silly but, how do I remove
a host from ovirt-engine GUI? "Remove" (just as reinstall) is greyed out too

2016-09-15 18:23 GMT+02:00 Simone Tiraboschi <stirabos at redhat.com>:

>
>
> On Thu, Sep 15, 2016 at 6:20 PM, Davide Ferrari <davide at billymob.com>
> wrote:
>
>> Trying to set the maintenance gives me:
>>
>> [root at vm01 ~]# hosted-engine --set-maintenance --mode=global
>> /usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/storage_backends.py:15:
>> DeprecationWarning: vdscli uses xmlrpc. since ovirt 3.6 xmlrpc is
>> deprecated, please use vdsm.jsonrpcvdscli
>>   import vdsm.vdscli
>>
>>
>> it's not vey clear if it worked and it's just a warning or since it's
>> deprecated it didn't work at all
>>
>
> it's just a warning; to be really sure, you can check the status with:
>    hosted-engine --vm-status
>
>
>>
>> 2016-09-15 17:34 GMT+02:00 Simone Tiraboschi <stirabos at redhat.com>:
>>
>>>
>>>
>>> On Thu, Sep 15, 2016 at 5:29 PM, Davide Ferrari <davide at billymob.com>
>>> wrote:
>>>
>>>> How can I forcefully migrate the engine VM?
>>>>
>>>
>>> You can try to migrate it from the engine.
>>> If it doesn't work you can got to the first host,
>>> set the global maintenance mode with
>>>    hosted-engine --set-maintenance --mode=global
>>> connect to the engine VM and shutdown it
>>> restart the engine VM on the first host with:
>>>    hosted-engine --vm-start
>>>
>>>
>>>>
>>>> 2016-09-15 17:22 GMT+02:00 Simone Tiraboschi <stirabos at redhat.com>:
>>>>
>>>>>
>>>>>
>>>>> On Thu, Sep 15, 2016 at 5:14 PM, Davide Ferrari <davide at billymob.com>
>>>>> wrote:
>>>>>
>>>>>> All from the CLI. Right now in the GUI I have the "Reinstall" button
>>>>>> greyed out. What's happening?
>>>>>>
>>>>>
>>>>> I suggest to forcefully migrate the engine VM to the first host;
>>>>> remove the other hosts from the engine and redeploy from there as
>>>>> hosted-engine-hosts.
>>>>>
>>>>>
>>>>>>
>>>>>> 2016-09-15 16:57 GMT+02:00 Simone Tiraboschi <stirabos at redhat.com>:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Thu, Sep 15, 2016 at 4:13 PM, Davide Ferrari <davide at billymob.com
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> Strange..now it's working :? I've added successfully a fourth
>>>>>>>> server to the cluster without touching anything, a part migrating the HE vm
>>>>>>>> to another host.
>>>>>>>> But now it seems that 2 of the hosts are not recognized as working.
>>>>>>>> When I try to migrate the HostedEngine to another machine I get:
>>>>>>>>
>>>>>>>> The host hosted_engine_1 did not satisfy internal filter HA because
>>>>>>>> it is not a Hosted Engine host.
>>>>>>>> The host hosted_engine_3 did not satisfy internal filter HA because
>>>>>>>> it is not a Hosted Engine host.
>>>>>>>>
>>>>>>>> hosted_engine_2 is in maintanaince mode right now and 4 is the one
>>>>>>>> that is running the VM. The VM was first migrated from 1 to 2, then from 2
>>>>>>>> it started giving those errors, then I successfully added 4 and I could
>>>>>>>> migrate the VM to it, and now it is stuck there.
>>>>>>>> I'm trying to look through the VDMS logs but oh boy, they are so
>>>>>>>> verbose!
>>>>>>>>
>>>>>>>
>>>>>>> Did you added your additional hosted-engine hosts from CLI or from
>>>>>>> the web interface (there is special sub-panel in the add host dialog)?
>>>>>>> I strongly recommend the second way.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> 2016-09-15 15:11 GMT+02:00 Davide Ferrari <davide at billymob.com>:
>>>>>>>>
>>>>>>>>> Hello again
>>>>>>>>>
>>>>>>>>> as I said I'm a beginner with OVirt and I was playing with a
>>>>>>>>> proof-of-concept cluster with OVirt 4.0 + GlusterFS 3.8, following this
>>>>>>>>> guide
>>>>>>>>>
>>>>>>>>> http://www.ovirt.org/blog/2016/03/up-and-running-with-ovirt-3-6/
>>>>>>>>>
>>>>>>>>> (it works smoothly with 4.0 too)
>>>>>>>>> I've created the cluster and the engine is running as an higly
>>>>>>>>> available VM in the cluster itself with hosted-engine --deploy but now I
>>>>>>>>> want to add a fourth machine to the cluster but I get this error:
>>>>>>>>>
>>>>>>>>>  Cannot automatically add the host to cluster Default: Cannot add
>>>>>>>>> Host. There is no available server in the cluster to probe the new server.
>>>>>>>>>
>>>>>>>>> both if I try to add an host from Ovirt AAdmin GUI or if I try to
>>>>>>>>> run "hosted-engine --deploy" on the new machine. Is it possible to have
>>>>>>>>> this cluster conf (with the engine running as a VM) with 4 or more
>>>>>>>>> machines? What thing should I have to do?
>>>>>>>>>
>>>>>>>>> Thanks in advance
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Davide Ferrari
>>>>>>>>> Senior Systems Engineer
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Davide Ferrari
>>>>>>>> Senior Systems Engineer
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Users mailing list
>>>>>>>> Users at ovirt.org
>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Davide Ferrari
>>>>>> Senior Systems Engineer
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Davide Ferrari
>>>> Senior Systems Engineer
>>>>
>>>
>>>
>>
>>
>> --
>> Davide Ferrari
>> Senior Systems Engineer
>>
>
>


-- 
Davide Ferrari
Senior Systems Engineer
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20160915/94ade22e/attachment-0001.html>