Hi Alon, you just need the backup/restore backup procedure if you have to change the OS of the server where you installed your engine. It it was already at el7 you don't need that. In every case the upgrade to 4.0 is requiring that all your cluster and all your data center should be at 3.6 compatibility level before the upgrade.
From the error you got, it seams that you still have something at 3.5.
On Thu, Oct 6, 2016 at 11:31 AM, Alon Dotan <alon1.dotan@gmail.com> wrote:
Hey all, Im trying to upgrade my ovirt installation, CentOS 7.2 fully updated
engine version: oVirt Engine Version: 3.6.7.5-1.el7.centos
hosts version: OS Version: RHEL - 7 - 2.1511.el7.centos.2.10 Kernel Version: 3.10.0 - 327.36.1.el7.x86_64 KVM Version: 2.3.0 - 31.el7_2.10.1 LIBVIRT Version: libvirt-1.2.17-13.el7_2.5 VDSM Version: vdsm-4.17.32-1.el7 SPICE Version: 0.12.4 - 15.el7_2.2 GlusterFS Version: [N/A] CEPH Version:
got the following error after deploying the backup tar (following this guide http://www.ovirt.org/documentation/migration-engine-3.6-to-4.0/)
Failed to execute stage 'Setup validation': Trying to upgrade from unsupported versions: 3.5
attaching the engine-setup answer and log
Thanks,
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