[ovirt-users] 回复：Re: 回复：Re: ovirt engine HA

Wed Apr 11 04:36:58 UTC 2018

Hi

Alex K, thanks. It was not clear the previous answers to me that's why I
specified the quesiton if GUI meant Cockpit or Web Interface which was then
well answered by Martin. Therefore thanks for that.

Best regards
Fernando

2018-04-09 13:35 GMT-03:00 Martin Sivak <msivak at redhat.com>:

> > You mentioned that can be done via the web GUI. Do you mean by cockpit
> or by
> > oVirt Engine Web Interface itself ?
>
> Only via the oVirt web admin interface. You first add a standard storage
> domain, wait for a VM that represents the engine to appear (name:
> HostedEngine) and then you can add an additional host with hosted engine
> bits directly from the webadmin UI (HostedEngine side tab of Add new host
> dialog, select Deploy).
>
> Best regards
>
> Martin Sivak
>
> On Mon, Apr 9, 2018 at 6:21 PM, FERNANDO FREDIANI <
> fernando.frediani at upx.com> wrote:
>
>> Hello Simone
>>
>> The doubt is once one hosted engine is deployed to one of the hosts the
>> process to deploy in the second one is exactly the same or does it have any
>> minor particularity ? You mentioned that can be done via the web GUI. Do
>> you mean by cockpit or by oVirt Engine Web Interface itself ?
>>
>> Thanks
>> Fernando
>>
>> 2018-04-09 7:32 GMT-03:00 Simone Tiraboschi <stirabos at redhat.com>:
>>
>>>
>>>
>>> On Sun, Apr 8, 2018 at 3:53 PM, <dhy336 at sina.com> wrote:
>>>
>>>> sorry. I do not know how to describe my qeustion
>>>>  I want to add a hosted-engine, I use same nfs path with first
>>>> hosted-engine, but has some error.
>>>>           --== STORAGE CONFIGURATION ==--
>>>>
>>>>           Please specify the storage you would like to use (glusterfs,
>>>> iscsi, fc, nfs3, nfs4)[nfs3]:
>>>>           Please specify the full shared storage connection path to use
>>>> (example: host:/path): 192.168.122.218:/exports/hosted-engine-test1
>>>> [ ERROR ] The selected device already contains a storage domain.
>>>> [ ERROR ] Setup of additional hosts using this software is not allowed
>>>> anymore. Please use the engine web interface to deploy any additional hosts.
>>>>
>>>
>>> Since 4.0 you should add additional hosted-engine hosts directly from
>>> the webadmin UI.
>>>
>>>
>>>> [ ERROR ] Failed to execute stage 'Environment customization': Setup of
>>>> additional hosts using this software is not allowed anymore. Please use the
>>>> engine web interface to deploy any additional hosts.
>>>> [ INFO  ] Stage: Clean up
>>>> [ INFO  ] Generating answer file '/var/lib/ovirt-hosted-engine-
>>>> setup/answers/answers-20180408214554.conf'
>>>> [ INFO  ] Stage: Pre-termination
>>>> [ INFO  ] Stage: Termination
>>>> [ ERROR ] Hosted Engine deployment failed
>>>>           Log file is located at /var/log/ovirt-hosted-engine-s
>>>> etup/ovirt-hosted-engine-setup-20180408214515-4vofq6.log
>>>>
>>>>
>>>>
>>>> ----- 原始邮件 -----
>>>> 发件人：Alex K <rightkicktech at gmail.com>
>>>> 收件人：dhy336 at sina.com
>>>> 抄送人：FERNANDO FREDIANI <fernando.frediani at upx.com>, users <
>>>> users at ovirt.org>
>>>> 主题：Re: [ovirt-users] 回复：Re: ovirt engine HA
>>>> 日期：2018年04月08日 19点45分
>>>>
>>>> Are you a troll?
>>>>
>>>>
>>>> On Sun, Apr 8, 2018, 12:15 <dhy336 at sina.com> wrote:
>>>>
>>>>
>>>> Hi, I hava two node, and deploy hosted-engine by #hosted-engine
>>>> --deploy,
>>>>  I find two hosted-engine that  i deploied is independent,  how to make
>>>> my hosted-engine is HA?
>>>>
>>>> ----- 原始邮件 -----
>>>> 发件人：Alex K <rightkicktech at gmail.com>
>>>> 收件人：FERNANDO FREDIANI <fernando.frediani at upx.com>
>>>> 抄送人：users <users at ovirt.org>
>>>> 主题：Re: [ovirt-users] ovirt engine HA
>>>> 日期：2018年04月04日 01点40分
>>>>
>>>> In case you need HA for the engine you need to deploy it to other hosts
>>>> also through the GUI.
>>>>
>>>>
>>>> On Tue, Apr 3, 2018 at 4:47 PM, FERNANDO FREDIANI <
>>>> fernando.frediani at upx.com> wrote:
>>>>
>>>> Is it enough to deploy the Self-Hosted engine in just one Host of the
>>>> cluster or is it necessary to repeat the process in each of the nodes that
>>>> must be able to run it ?
>>>>
>>>> Thanks
>>>> Fernando
>>>>
>>>> 2018-04-03 2:01 GMT-03:00 Vincent Royer <vincent at epicenergy.ca>:
>>>>
>>>> Same thing, the engine in this case is "self-hosted", as in, it runs in
>>>> a VM hosted on the cluster that it is managing.  I am a beginner here, but
>>>> from my understanding, each node is always checking on the health of the
>>>> engine VM.  If the engine is missing (ie, the host running it has gone
>>>> down), then another available, healthy host will spawn up the engine and
>>>> you will regain access.
>>>>
>>>> In my experience this has worked very reliably.  I have 2 hosts, both
>>>> are "able" to run the engine VM.  If I take one host down, I am not able to
>>>> load the engine GUI.  But if I wait a few minutes, then I regain access,
>>>> and see that the engine is now running on the remaining healthy host.
>>>>
>>>> *Vincent Royer*
>>>> *778-825-1057 <(778)%20825-1057>*
>>>>
>>>>
>>>> <http://www.epicenergy.ca/>
>>>> *SUSTAINABLE MOBILE ENERGY SOLUTIONS*
>>>>
>>>>
>>>>
>>>>
>>>> On Mon, Apr 2, 2018 at 6:07 PM, <dhy336 at sina.com> wrote:
>>>>
>>>> what different between self-hosted engine and  hosted engine? I find a
>>>> project ovirt-hosted-engine-ha
>>>> <https://github.com/oVirt/ovirt-hosted-engine-ha>  https:
>>>> //github.com/oVirt/ovirt-hosted-engine-ha
>>>> ----- 原始邮件 -----
>>>> 发件人：Vincent Royer <vincent at epicenergy.ca>
>>>> 收件人：dhy336 at sina.com
>>>> 抄送人：users <users at ovirt.org>
>>>> 主题：Re: [ovirt-users] ovirt engine HA
>>>> 日期：2018年04月03日 08点57分
>>>>
>>>> If your node running self-hosted engine crashes, the hosted engine will
>>>> be started up on another node. It just takes a few minutes for this all to
>>>> happen, but it works reliably in my experience.
>>>>
>>>>
>>>>
>>>> On Mon, Apr 2, 2018 at 5:42 PM, <dhy336 at sina.com> wrote:
>>>>
>>>> How to solute ovirt engine HA, I have a three node cluster, one of is
>>>> deploy engine and node , others are node, if node that deplay engine and
>>>>  node crash, How to ensure my server is up?
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