For oVirt 3.6.x, these are the rules:
The ENGINE can be hosted on EL 6 or EL7
The HOSTS cannot be EL 6 -- must be EL 7+ or Fedora (I don't recall the
version)
How to upgrade your hosts:
* Put the oVirt EL 6 host into maintenance (that is, migrating or shutting
down all GUESTS from that host)
* Remove that Host from the cluster
* Wipe and install EL 7 onto that physical machine
* Bring that EL 7 machine into the cluster (via web gui Install)
* Repeat for all of the rest of the EL 6 hosts to complete the upgrade to
3.6.x
HOSTS on 3.5.x could either be EL 6 or EL 7, that is no longer the case
with oVirt 3.6.x
HTH
On Fri, May 27, 2016 at 7:14 AM, Giulio D’Ippolito <
gdippolito(a)brighttalk.com> wrote:
Hi all,
We are having a bit of hard time trying to upgrade oVirt from 3.5 release
to 3.6.
This is our setup:
- All the hosts are running Centos 6.7
- The engine is a standalone machine
- The engine is running Centos 6.7
- Upgrading the engine from 3.5.x to 3.6.6 was successful
Now the problem was when we were trying to upgrade the hosts to 3.6
release.
We put one host in maintenance and we were expecting the "Upgrade" option
to be available but it wasn't.
We have imported the 3.6 repository to the host and performed a "yum clean
all" and a "yum update" to see which packages were marked to be upgrade.
No packages in the oVirt 3.6 repository were available to upgrade.
Then we tried to use the "Reinstall" option available in the GUI
The reinstall failed with the following issue:
*2016-05-27 09:46:50 DEBUG otopi.plugins.otopi.packagers.yumpackager
yumpackager.verbose:91 Yum queue package qemu-kvm-tools for
install2016-05-27 09:46:50 DEBUG otopi.plugins.otopi.packagers.yumpackager
yumpackager.verbose:91 Yum processing package
2:qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64 for install2016-05-27
09:46:50 DEBUG otopi.plugins.otopi.packagers.yumpackager
yumpackager.verbose:91 Yum package
2:qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64 queued2016-05-27 09:46:50
DEBUG otopi.plugins.otopi.packagers.yumpackager yumpackager.verbose:91 Yum
queue package vdsm for install/update2016-05-27 09:46:51 DEBUG
otopi.plugins.otopi.packagers.yumpackager yumpackager.verbose:91 Yum queue
package vdsm-cli for install/update2016-05-27 09:46:51 DEBUG otopi.context
context._executeMethod:142 Stage packages METHOD
otopi.plugins.ovirt_host_deploy.vdsmhooks.hooks.Plugin._packages2016-05-27
09:46:51 DEBUG otopi.context context._executeMethod:142 Stage packages
METHOD
otopi.plugins.ovirt_host_deploy.vmconsole.packages.Plugin._packages2016-05-27
09:46:51 DEBUG otopi.context context._executeMethod:148 condition
False2016-05-27 09:46:51 DEBUG otopi.context context._executeMethod:142
Stage packages METHOD
otopi.plugins.otopi.packagers.dnfpackager.Plugin._packages2016-05-27
09:46:51 DEBUG otopi.context context._executeMethod:148 condition
False2016-05-27 09:46:51 DEBUG otopi.context context._executeMethod:142
Stage packages METHOD
otopi.plugins.otopi.packagers.yumpackager.Plugin._packages2016-05-27
09:46:51 DEBUG otopi.plugins.otopi.packagers.yumpackager
yumpackager.verbose:91 Yum Building transaction2016-05-27 09:46:52 ERROR
otopi.plugins.otopi.packagers.yumpackager yumpackager.error:100 Yum
['qemu-kvm-rhev-tools conflicts with
2:qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64']*
We fixed the issue via removing the qemu-kvm-tools and running the
"Reinstall again".
But effectively this was the only package that was installed/upgrade by
running "Reinstall" again.
I can see from the repository
http://resources.ovirt.org/pub/ovirt-3.6/rpm/el6/x86_64/ that not many
packages are available in this repository for Centos 6.
For example vdsm package is still version vdsm-4.16.30-0.el6 which was
installed in oVirt 3.5
Is this the expected outcome of the upgrade in the host?
Thanks,
Giulio
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