Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
        8272306
Email: ydary@redhat.com
IRC : ydary

On Wed, Nov 16, 2016 at 2:07 PM, Demeter Tibor <tdemeter@itsmart.hu> wrote:

Hi,
Thank you for your reply.

I have a short plan for the migration, but I have some question about it. Please correct me if something wrong.

- I will install ovirt nodes to the new machines.
- I would like to use same storage, so i will make an new NFS export for the new ovirt-engine.
- I will make hosted engine setup that will placed on the new nfs share.
- I want to come some new features , like vlans and new IP range for engine, management, etc, so I will make these settings on the new setup
- This is the point where I will stop the whole old system. I have to stop VM-s, disconnect storge from old cluster and I will attach to the new cluster.

You attach to a DC not a cluster.

- This is the point, where I'm not sure in all things. If I had attach to the new cluster, the VM-s will show on the new ovirt-engine? What about the settings for example, memory, cpu, etc? It will be came from storage? Or I have to recreate these settings on every VM-s?

You will choose the 'import VMs' subtab of the storage domain and import all the VMs.

This will include all the info on the settings. Please note that until 4.1 is out (which has a new feature to map netowrks), all VMs that have networks that doesn't exists by the same name on the new setup will not have network assigned.

- Need I'm doing other things, or it will be enought to start vms in the new cluster?

Assign networks if the names are not the same. That should be it.

Thanks in advance.

Regards,

Tibor
----- 2016. nov.. 15., 16:45, Yaniv Dary <ydary@redhat.com> írta:
Yes, this is possible, since import storage domain exists since oVirt 3.5.
Doing a test is always advised due.
Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
        8272306
Email: ydary@redhat.com
IRC : ydary
On Tue, Nov 15, 2016 at 4:37 PM, Demeter Tibor <tdemeter@itsmart.hu> wrote:
Dear users,

We have an ovirt cluster with three nodes and centralized storage.(nfs based). The clusters based on centos6 os.

We bought some new server for more resources, but we want to upgrade to 4.0 . Is it possible to make brand new install and import all of VM-s from storage?
The storage will be remain, so I just wondering, I will make a clean install and connect the storage to this cluster.
Is it possible?

We don't have users, or special settings on this cluster, but I don't want to make the difficult upgrade process from 3.5 to 4.x and centos 6 to 7.

What is our possibilities?

Thank in advance,

Regards,

Tibor.

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