On 12/18/24 15:56, Jiří Sléžka via Users wrote:
On 12/18/24 15:47, e...@ecsi.hu wrote:
That's not what you asked, but how to migrate from el8 to 9. Yes, only el9 is supported. What I wrote is my own experience, from the time when el8 was not yet discontinued, and the el9 overwritten engine cannot successfully load the el8 overwritten engine save, but if you don't believe me, try it if you have a few extra free hours for this...

ok, I will (and will report back)

well, it looks like installing engine and restoring db works well on el9. For now I have to stop and convert all old certificates from RC2-40-CBC to AES as RC2 is not supported on el9. Will continue tomorrow.

for reference. I did these steps:

yum install centos-release-ovirt45

dnf copr enable -y ovirt/ovirt-master-snapshot centos-stream-9
dnf install -y ovirt-release-master

cat >/etc/yum.repos.d/CentOS-Stream-Extras-common.repo <<'EOF'
[c9s-extras-common]
name=CentOS Stream $releasever - Extras packages
metalink=https://mirrors.centos.org/metalink?repo=centos-extras-sig-extras-common-$stream&arch=$basearch&protocol=https,http
gpgkey=https://www.centos.org/keys/RPM-GPG-KEY-CentOS-SIG-Extras
gpgcheck=1
repo_gpgcheck=0
metadata_expire=6h
countme=1
enabled=1
EOF

echo "9-stream" > /etc/yum/vars/stream

dnf distro-sync --nobest

dnf install ovirt-engine

engine-backup --mode=restore --file=backup/backup.tar --log=restore.log

Start of engine-backup with mode 'restore'
scope: all
archive file: backup/backup.tar
log file: restore.log
Preparing to restore:
- Unpacking file 'backup/backup.tar'
Restoring:
- Files
------------------------------------------------------------------------------
Please note:

Operating system is different from the one used during backup.
Current operating system: rocky9
Operating system at backup: rocky8

Apache httpd configuration will not be restored.
You will be asked about it on the next engine-setup run.
------------------------------------------------------------------------------
Provisioning PostgreSQL users/databases:
- user 'engine', database 'engine'
- user 'ovirt_engine_history', database 'ovirt_engine_history'
- user 'ovirt_engine_history_grafana' on database 'ovirt_engine_history'
Restoring:
- Engine database 'engine'
  - Cleaning up temporary tables in engine database 'engine'
  - Updating DbJustRestored VdcOption in engine database
- Resetting DwhCurrentlyRunning in dwh_history_timekeeping in engine database
  - Resetting HA VM status
------------------------------------------------------------------------------
Please note:

The engine database was backed up at 2024-12-18 07:30:08.000000000 +0100 .

Objects that were added, removed or changed after this date, such as virtual
machines, disks, etc., are missing in the engine, and will probably require
recovery or recreation.
------------------------------------------------------------------------------
- DWH database 'ovirt_engine_history'
- Grafana database '/var/lib/grafana/grafana.db'
You should now run engine-setup.
Done.

engine-setup

but here I stop for today because

...
[WARNING] Failed to read or parse '/etc/pki/ovirt-engine/keys/engine.p12'
          Perhaps it was changed since last Setup.
          Error was:
          Error outputting keys and certificates
          00DE315FE47F0000:error:0308010C:digital envelope
routines:inner_evp_generic_fetch:unsupported:crypto/evp/evp_fetch.c:355:Global default library
          context, Algorithm (RC2-40-CBC : 0), Properties ()
...

cheers,

Jiri




Cheers,

Jiri

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