[ovirt-users] Replace one engine host

Roy Golan rgolan at redhat.com
Mon Sep 26 15:12:44 UTC 2016


Those ids are hidden in the UI and you can reveal them from the db

```sql
select vds_spm_id,vds_name from vds_spm_id_map map,vds_static static where
map.vds_id = static.vds_id ;
```

On 19 September 2016 at 11:52, Davide Ferrari <davide at billymob.com> wrote:

> Mmmh, how can I check this? And how can I cahnge the id from the engine?
> IDs are not even shown in the GUI for example
>
> 2016-09-19 10:35 GMT+02:00 Roy Golan <rgolan at redhat.com>:
>
>> I'm suspect the host-id is out of sync in the engine now. changing the
>> host-id locally isn't supported. The engine is the only source of id
>> assignment.
>>
>> On 19 September 2016 at 00:21, Davide Ferrari <davide at billymob.com>
>> wrote:
>>
>>> Oh, thanks! You put me on the right way! Now it works:
>>> Steps that I did:
>>> - reinstall + deploy vm03
>>> - manually set from maintenance to none on vm03
>>> - reinstall + undeploy vm04 (I left it deployed again last time, trying
>>> to remove it)
>>>
>>> Then I found the problem: vm03 hosted-engine conf
>>> (/etc/ovirt-hosted-engine/hosted-engine.conf) had host_id set to 4
>>> which conflicted with vm04 host_id. So I changed it to 2 (the only one
>>> free), restarted ovirt-ha-agent (and broker just to be sure) and it worked!
>>> Now from vm-status I see vm01,02 and 03 with 3400 as priority and I can
>>> migrate the HE vm to any of them!
>>>
>>> Thanks a lot for your kind help, Roy!
>>>
>>> 2016-09-18 22:00 GMT+02:00 Roy Golan <rgolan at redhat.com>:
>>>
>>>> Can you share the deploy logs of vm03? /var/log/ovirt-engine/host-dep
>>>> loy/
>>>> Is there an /etc/ovirt-hosted-engine/hosted-engine.conf at all?
>>>>
>>>> On 18 September 2016 at 17:28, Davide Ferrari <davide at billymob.com>
>>>> wrote:
>>>>
>>>>> Hello Roy, I forgot to mention that I already reinstalled (several
>>>>> times) vm03 from the gui with the deploy option checked, but there's no way
>>>>> it appears there. For the record vm04 was the first host deployed (from
>>>>> cli) after the initial vm01 installation, then vm02 and then 03.
>>>>>
>>>>> On Sep 18, 2016 11:06, "Roy Golan" <rgolan at redhat.com> wrote:
>>>>>
>>>>>> vm03 is missing here from the status. Can you reinstall it from UI
>>>>>> (if you added the host vm03 then just go to Management menu and click
>>>>>> reinstall, choose 'Deploy' Option) - After its done, when the host is
>>>>>> activated  you'll need to manually switch the host out of maintenence (we
>>>>>> have a bug on it - solved in master already)
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 18 September 2016 at 10:45, Davide Ferrari <davide at billymob.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hello
>>>>>>>
>>>>>>> Still playing a bit with oVirt, my cluster is ovirt+gluster with a
>>>>>>> replica 3 glusterfs for the engine (on vm01, vm02 and vm03) and 4 hosts for
>>>>>>> the data glusterfs and running virtual machines (vm01, vm02, vm03 and
>>>>>>> vm04). Now, by mistake, I deployed hosted-engine on vm04 but I don't want
>>>>>>> to have the engine on a machine without local data + it's not working
>>>>>>> correctly (weight 0 and marked as in maintenance). Now, I've already tried
>>>>>>> to reinstall it from the the GUI marking the "Undeploy" check, reinstall
>>>>>>> vm03 marking the "deploy" check but nothing seems to work. Here it is the
>>>>>>> hosted-engine --vm-status output from vm04. What can I do to deploy
>>>>>>> correctly the hosted engine on vm03?
>>>>>>>
>>>>>>> --== Host 1 status ==--
>>>>>>>
>>>>>>> Status up-to-date                  : True
>>>>>>> Hostname                           : vm01.mydomain.tld
>>>>>>> Host ID                            : 1
>>>>>>> Engine status                      : {"reason": "vm not running on
>>>>>>> this host", "health": "bad", "vm": "down", "detail": "unknown"}
>>>>>>> Score                              : 3400
>>>>>>> stopped                            : False
>>>>>>> Local maintenance                  : False
>>>>>>> crc32                              : fee2f7d8
>>>>>>> Host timestamp                     : 48911
>>>>>>> Extra metadata (valid at timestamp):
>>>>>>> metadata_parse_version=1
>>>>>>> metadata_feature_version=1
>>>>>>> timestamp=48911 (Sat Sep 17 07:57:02 2016)
>>>>>>> host-id=1
>>>>>>> score=3400
>>>>>>> maintenance=False
>>>>>>> state=EngineDown
>>>>>>> stopped=False
>>>>>>>
>>>>>>>
>>>>>>> --== Host 3 status ==--
>>>>>>>
>>>>>>> Status up-to-date                  : True
>>>>>>> Hostname                           : vm02.mydomain.tld
>>>>>>> Host ID                            : 3
>>>>>>> Engine status                      : {"health": "good", "vm": "up",
>>>>>>> "detail": "up"}
>>>>>>> Score                              : 3400
>>>>>>> stopped                            : False
>>>>>>> Local maintenance                  : False
>>>>>>> crc32                              : 9138d24e
>>>>>>> Host timestamp                     : 48907
>>>>>>> Extra metadata (valid at timestamp):
>>>>>>> metadata_parse_version=1
>>>>>>> metadata_feature_version=1
>>>>>>> timestamp=48907 (Sat Sep 17 07:57:00 2016)
>>>>>>> host-id=3
>>>>>>> score=3400
>>>>>>> maintenance=False
>>>>>>> state=EngineUp
>>>>>>> stopped=False
>>>>>>>
>>>>>>>
>>>>>>> --== Host 4 status ==--
>>>>>>>
>>>>>>> Status up-to-date                  : False
>>>>>>> Hostname                           : vm04.mydomain.tld
>>>>>>> Host ID                            : 4
>>>>>>> Engine status                      : unknown stale-data
>>>>>>> Score                              : 0
>>>>>>> stopped                            : False
>>>>>>> Local maintenance                  : True
>>>>>>> crc32                              : 221d262e
>>>>>>> Host timestamp                     : 17958
>>>>>>> Extra metadata (valid at timestamp):
>>>>>>> metadata_parse_version=1
>>>>>>> metadata_feature_version=1
>>>>>>> timestamp=17958 (Fri Sep 16 23:19:32 2016)
>>>>>>> host-id=4
>>>>>>> score=0
>>>>>>> maintenance=True
>>>>>>> state=LocalMaintenance
>>>>>>> stopped=False
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> 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
>
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