On Thu, Jul 30, 2020 at 10:25 AM Alex K <rightkickt...@gmail.com> wrote:
> Hi all! > > I am going though an upgrade from ovirt 4.2 (4.2.8.2-1.el7) to 4.3 for a > two node cluster with self hosted engine. I have done previously upgrades > from 4.1 to 4.2 successfully with minor issues which where fixed. > > I wanted to confirm with you, in case I am missing anything that may have > changed in the mean time, on the steps for minor and major upgrade: > > *# Ovirt procedure for minor upgrade: (4.x.y -> 4.x.z)* > • enable global maintenance mode > • at engine: engine-upgrade-check > • at engine: yum update "ovirt-*-setup*" > • at engine: engine-setup > • at engine: yum update > • at each host from GUI: host -> installation -> upgrade > • at each host: yum update, reboot, activate > > *# Ovirt procedure for major upgrade (4.x -> 4.y)* > • update DC to latest minor version (engine + nodes) > • enable global maintenance > • at engine: install major version repo: yum install > https://resources.ovirt.org/pub/yum-repo/ovirt-release4x.rpm > • at engine: engine-upgrade-check > • at engine: yum update "ovirt-*-setup*" > • at engine: engine-setup > • at engine: remove the old ovirt release from /etc/yum.repos.d > • at engine: yum update > • after completion of engine upgrade disable global maintenance > • verify engine version > • update each host/node: update to minor, then install new repo, remove > old repo, yum update, reboot, activate > • after completion of updates: set DC and cluster compatibility level to > latest version 4.x. > • shutdown guest VMs and confirm they start up again. (you may need to > disable guest disk leases or re-activate guest disks) > • check events for any issues and fix accordingly > > Am I missing anything? I am planning the upgrade hoping to have no issues > since the cluster is hosting production VMs. > Also I am concerned about the minor release upgrade for any package conflicts due to CentOS repos (I have not managed yet to simulate this in a virtual environment). The hosts/nodes are CentOS Linux release 7.6.1810 (Core). Do I have to lock the repos to a specific centos version to avoid possible issues (I am afraid CentOS upgrading to latest 7 and causing dependency issues with 4.2 - I was not able to find out the latest CentOS 7 versino compatible with 4.2). > > Thanx for any feedback! > Alex > > >
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