[ovirt-users] HostedEngine VM not visible, but running

Martin Sivak msivak at redhat.com
Wed Jun 21 09:51:37 UTC 2017


Hi,

you do not have to install it on all hosts. But you should have more
than one and ideally all hosted engine enabled nodes should belong to
the same engine cluster.

Best regards

Martin Sivak

On Wed, Jun 21, 2017 at 11:29 AM, cmc <iucounu at gmail.com> wrote:
> Hi Jenny,
>
> Does ovirt-hosted-engine-ha need to be installed across all hosts?
> Could that be the reason it is failing to see it properly?
>
> Thanks,
>
> Cam
>
> On Mon, Jun 19, 2017 at 1:27 PM, cmc <iucounu at gmail.com> wrote:
>> Hi Jenny,
>>
>> Logs are attached. I can see errors in there, but am unsure how they arose.
>>
>> Thanks,
>>
>> Campbell
>>
>> On Mon, Jun 19, 2017 at 12:29 PM, Evgenia Tokar <etokar at redhat.com> wrote:
>>> From the output it looks like the agent is down, try starting it by running:
>>> systemctl start ovirt-ha-agent.
>>>
>>> The engine is supposed to see the hosted engine storage domain and import it
>>> to the system, then it should import the hosted engine vm.
>>>
>>> Can you attach the agent log from the host
>>> (/var/log/ovirt-hosted-engine-ha/agent.log)
>>> and the engine log from the engine vm (/var/log/ovirt-engine/engine.log)?
>>>
>>> Thanks,
>>> Jenny
>>>
>>>
>>> On Mon, Jun 19, 2017 at 12:41 PM, cmc <iucounu at gmail.com> wrote:
>>>>
>>>>  Hi Jenny,
>>>>
>>>> > What version are you running?
>>>>
>>>> 4.1.2.2-1.el7.centos
>>>>
>>>> > For the hosted engine vm to be imported and displayed in the engine, you
>>>> > must first create a master storage domain.
>>>>
>>>> To provide a bit more detail: this was a migration of a bare-metal
>>>> engine in an existing cluster to a hosted engine VM for that cluster.
>>>> As part of this migration, I built an entirely new host and ran
>>>> 'hosted-engine --deploy' (followed these instructions:
>>>>
>>>> http://www.ovirt.org/documentation/self-hosted/chap-Migrating_from_Bare_Metal_to_an_EL-Based_Self-Hosted_Environment/).
>>>> I restored the backup from the engine and it completed without any
>>>> errors. I didn't see any instructions regarding a master storage
>>>> domain in the page above. The cluster has two existing master storage
>>>> domains, one is fibre channel, which is up, and one ISO domain, which
>>>> is currently offline.
>>>>
>>>> > What do you mean the hosted engine commands are failing? What happens
>>>> > when
>>>> > you run hosted-engine --vm-status now?
>>>>
>>>> Interestingly, whereas when I ran it before, it exited with no output
>>>> and a return code of '1', it now reports:
>>>>
>>>> --== Host 1 status ==--
>>>>
>>>> conf_on_shared_storage             : True
>>>> Status up-to-date                  : False
>>>> Hostname                           : kvm-ldn-03.ldn.fscfc.co.uk
>>>> Host ID                            : 1
>>>> Engine status                      : unknown stale-data
>>>> Score                              : 0
>>>> stopped                            : True
>>>> Local maintenance                  : False
>>>> crc32                              : 0217f07b
>>>> local_conf_timestamp               : 2911
>>>> Host timestamp                     : 2897
>>>> Extra metadata (valid at timestamp):
>>>>         metadata_parse_version=1
>>>>         metadata_feature_version=1
>>>>         timestamp=2897 (Thu Jun 15 16:22:54 2017)
>>>>         host-id=1
>>>>         score=0
>>>>         vm_conf_refresh_time=2911 (Thu Jun 15 16:23:08 2017)
>>>>         conf_on_shared_storage=True
>>>>         maintenance=False
>>>>         state=AgentStopped
>>>>         stopped=True
>>>>
>>>> Yet I can login to the web GUI fine. I guess it is not HA due to being
>>>> in an unknown state currently? Does the hosted-engine-ha rpm need to
>>>> be installed across all nodes in the cluster, btw?
>>>>
>>>> Thanks for the help,
>>>>
>>>> Cam
>>>>
>>>> >
>>>> > Jenny Tokar
>>>> >
>>>> >
>>>> > On Thu, Jun 15, 2017 at 6:32 PM, cmc <iucounu at gmail.com> wrote:
>>>> >>
>>>> >> Hi,
>>>> >>
>>>> >> I've migrated from a bare-metal engine to a hosted engine. There were
>>>> >> no errors during the install, however, the hosted engine did not get
>>>> >> started. I tried running:
>>>> >>
>>>> >> hosted-engine --status
>>>> >>
>>>> >> on the host I deployed it on, and it returns nothing (exit code is 1
>>>> >> however). I could not ping it either. So I tried starting it via
>>>> >> 'hosted-engine --vm-start' and it returned:
>>>> >>
>>>> >> Virtual machine does not exist
>>>> >>
>>>> >> But it then became available. I logged into it successfully. It is not
>>>> >> in the list of VMs however.
>>>> >>
>>>> >> Any ideas why the hosted-engine commands fail, and why it is not in
>>>> >> the list of virtual machines?
>>>> >>
>>>> >> Thanks for any help,
>>>> >>
>>>> >> Cam
>>>> >> _______________________________________________
>>>> >> Users mailing list
>>>> >> Users at ovirt.org
>>>> >> http://lists.ovirt.org/mailman/listinfo/users
>>>> >
>>>> >
>>>
>>>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users


More information about the Users mailing list