[ovirt-users] Restoring Hosted Engine to failed

[Simone Tiraboschi]

On Sun, Feb 26, 2017 at 8:02 AM, Yedidyah Bar David <didi at redhat.com> wrote:

> On Fri, Feb 24, 2017 at 6:34 PM, Logan Kuhn <support at jac-properties.com>
> wrote:
> > Hi
> >
> > I'm in the process of trying to restore our previous hosted engine onto
> new,
> > permanent, storage.  I've followed this guide:
> > https://www.ovirt.org/develop/developer-guide/engine/
> migrate-to-hosted-engine/


The point is that the DB you restored contains references to the
hosted-engine storage domain and to the engine VM you used on your initial
hosted-engine env.
You have to clean up these references to let the engine correctly import
the new hosted-engine env.
With 4.1 we introduced two new options to engine-backup in order to make
correctly working for a backup took on a previous hosted engine env, they
are:
 --he-remove-storage-vm             Removes the hosted-engine storage
domain, all its entities and the hosted-engine VM during restore.
 --he-remove-hosts                  Removes all the hosted-engine hosts
during restore.

Hosted-engine host should be redeployed as well since they point to the
previous env as well.

The correct path to migrate from a previous hosted-engine env to a new one
is:
- set global maintenance mode on the previous env
- set maintenance mode for the hosted engine hosts on the previous engine
- take the backup of the previous engine
Follow
https://www.ovirt.org/develop/developer-guide/engine/migrate-to-hosted-engine/
adding  '--he-remove-storage-vm  --he-remove-hosts ' to the DB restore
command.



> > It went pretty smoothly up until the hosted engine deploy tried to add
> the
> > host to the environment. The error was Unable to add HEVM to the manager.
> > However, I can login to the environment just fine, but it does not have
> the
> > HEVM and the host it's currently running on is down.
> >
> > I've attached the hosted engine setup log.  Let me know if there are any
> > other logs that will be helpful
>
> Please check/share also: From the engine:
> /var/log/ovirt-engine/engine.log
> /var/log/ovirt-engine/host-deploy/*
>
> From the host:
> /var/log/vdsm/vdsm.log
> /tmp/ovirt* (if found. If all is ok they are copied to engine and removed)
>
> Best,
>
> >
> > Logan
> >
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>
>
>
> --
> Didi
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
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