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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* <http://www.epicenergy.ca/> *SUSTAINABLE MOBILE ENERGY SOLUTIONS* On Mon, Apr 2, 2018 at 6:07 PM, <dhy336@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@epicenergy.ca> 收件人：dhy336@sina.com 抄送人：users <users@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@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? _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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@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@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@epicenergy.ca> 收件人：dhy336@sina.com 抄送人：users <users@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@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? _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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@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@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@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@epicenergy.ca> 收件人：dhy336@sina.com 抄送人：users <users@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@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? _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
participants (4)
-
Alex K -
dhy336＠sina.com -
FERNANDO FREDIANI -
Vincent Royer