To upgrade by using a spare Virtuozzo 6 server, do the following:
-
Update both the Virtuozzo 6 server to be upgraded and the spare server to the latest version. You can do this by running
yum updateon each server. -
Back up all VMs and containers on the Virtuozzo 6 server to be upgraded. You can do this with the
pbackuptool as described in the Virtuozzo 6 User’s Guide. -
Temporarily migrate VMs and containers from the Virtuozzo 6 server to be upgraded to the spare Virtuozzo 6 server. You can do this with the
pmigratetool as described in the Virtuozzo 6 User’s Guide. - Perform a fresh install of Virtuozzo 7 on the Virtuozzo 6 server to be upgraded. For instructions, see the Virtuozzo 7 Installation Guide.
- Migrate VMs and containers back to the upgraded server from the spare server. For more details, see Chapter 4, Migrating VMs and Containers from Virtuozzo 6 to Virtuozzo 7.
- If you store VM and container backups on a Virtuozzo 6 server, move them to a Virtuozzo 7 server as described in Chapter 5, Restoring Virtuozzo 6 Backups to Virtuozzo 7 Servers.