Parallels Virtuozzo Containers User Guide

Parallels
Parallels Virtuozzo Containers 4.6 for Windows
Upgrade Guide
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Contents
About This Document 4
Upgrade Scenarios 5
Upgrading From SWsoft Virtuozzo 3.5.1 Service Pack 1 6
Preparing for Upgrade .................................................................................................................................. 7
Upgrading Li censes Manually ..................................................................................................................... 8
Upgrading Virtuozzo Software .................................................................................................................... 9
Verifying the Upgrade ................................................................................................................................ 11
Known Issues and Restr i ctions .................................................................................................................. 12
Upgrading From Parallels Virtuozzo Containers 4.0 and 4.5 14
Upgrading Standalone Nodes ..................................................................................................................... 14
Upgrading C luster Nod es ........................................................................................................................... 16
Rolling Back to a Previous Version 18
Getting Technical Support 19
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About This Document

This document describes how to upgrade the following products to Parallels Virtuozzo Containers 4.6:
Parallels Virtuozzo Containers 4.6 Release Candidate Parallels Virtuozzo Containers 4.5 Parallels Virtuozzo Containers 4.0 SWsoft Virtuozzo 3.5.1 Service Pack 1
Note: Upgrading Virtuozzo versions earlier than 3.5.1 Service Pack 1 to Parallels Virtuozzo Containers 4.6 is not supported. So, if you are running an earlier version of Virtuozzo (e.g., Virtuozzo 3.5), first upgrade your software to SWsoft Virtuozzo 3.5.1 Service Pack 1, and then proceed with upgrading to Parallels Virtuozzo Containers 4.6.
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Upgrade Scenarios

Before beginning the upgrade process, it is important to choose the proper upgrade scenario. Doing so will allow you to avoid many difficulties you may otherwise encounter and will also ensure you are able to successfully solve any problems that may still occur. You can use one of the following scenarios to upgrade your system:
First Scenario Typically, you shall perform a straightforward upgrade of an existing system. Detailed
information on how to upgrade your system using this scenario is provided in the following sections of this document. However, if you have a spare server at your disposal, you might as well consider a second scenario outlined below.
Second Scenario You have a spare server to perform a new Parallels Containers installation. In this case, follow
the steps below: 1 Install Parallels Virtuozzo Containers 4.6 on the spare server. If the license that you own is
in the old license format, refer to the Upgrading License Manually section (p. 8) below for a way to upgrade the license to the Parallels Virtuozzo Containers 4.6 format, then use it during a fresh installation.
2 Migrate all Containers from the Hardware Node you want to upgrade to the spare server. 3 If you store the Container (called Virtual Environment in SWsoft Virtuozzo 3.5.1 Service
Pack 1) backups on the same Hardware Node, copy the backup folder to the spare server.
4 Check that all the Containers on the spare server can be started and stopped. To do this, use
Parallels Virtual Automation, Parallels Management Console, and Parallels Virtuozzo Containers command-line utilities.
5 Reinstall the operating system on the Hardware Node. 6 Install Parallels Virtuozzo Containers 4.6 on the Hardware Node. 7 Migrate the Containers back from the spare server to the Hardware Node, if necessary.
8 Repeat Steps 1 - 7 for each of your Hardware Nodes.
Please consult the Parallels Virtuozzo Containers 4.6 for Windows User's Guide and Parallels Virtuozzo Containers 4.6 for Windows Installation Guide for detailed information on how to
migrate Containers between Hardware Nodes and to perform a clean installation of Parallels Virtuozzo Containers 4.6, respectively.
Upgrade Specifics When upgrading the Hardware Nodes included in a Virtuozzo Group (called the Virtuozzo
cluster in SWsoft Virtuozzo 3.5.1 Service Pack 1), do the following:
1 First upgrade the Parallels Containers Virtuozzo software on all Slave Nodes in the Group. 2 Then proceed with the Master Node upgrade.
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Upgrading From SWsoft Virtuozzo 3.5.1 Service Pack 1

Upgrading to Parallels Virtuozzo Containers 4.6 is supported on Hardware Nodes running update VZU35164 or later of SWsoft Virtuozzo 3.5.1 Service Pack 1. You can check the number of the latest Virtuozzo update installed on the Node by doing the following:
1 Open Control Panel. 2 Double-click Add or Remove Programs. 3 In the Add or Remove Programs window, navigate to the latest Virtuozzo update in the
Currently installed programs table, and view its version. For example, if you have update VZU35164 installed, it will be shown as Virtuozzo for Windows 3.5.1 update
35164.
Although you can upgrade a Node having update VZU35164 or some later Virtuozzo update installed, we recommend that you install the latest available update on the Hardware Node prior to starting the upgrade procedure.
To check for the latest Virtuozzo updates, use the Virtuozzo for Windows Update wizard. To invoke the wizard, select Programs > SWsoft > Virtuozzo > Virtuozzo Update Wizard on the Windows Start menu. For more information on using the Virtuozzo for Windows Update wizard, see the Virtuozzo for Windows User's Guide.
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