Red Hat ENTERPRISE LINUX 4.5.0 - Przewodnik Instalacji Pobierz pdf (Strona 27)

CHAPTER 6

Upgrade Instruction from 4.4.x

This section will guide you from CloudStack 4.4.x to CloudStack 4.5.

Any steps that are hypervisor-speciﬁc will be called out with a note.

We recommend reading through this section once or twice before beginning your upgrade procedure, and working

through it on a test system before working on a production system.

Note: The following upgrade instructions should be performed regardless of hypervisor type.

Upgrade Steps:

1. Backup CloudStack database (MySQL)

2. Upgrade CloudStack management server(s)

3. Update hypervisors speciﬁc dependencies

6.1 Packages repository

Most users of CloudStack manage the installation and upgrades of CloudStack with one of Linux’s predominant

package systems, RPM or APT. This guide assumes you’ll be using RPM and Yum (for Red Hat Enterprise Linux or

CentOS), or APT and Debian packages (for Ubuntu).

Create RPM or Debian packages (as appropriate) and a repository from the 4.5 source, or check the Apache Cloud-

Stack downloads page at http://cloudstack.apache.org/downloads.html for package repositories supplied by commu-

nity members. You will need them for Management Server on Ubuntu or Management Server on CentOS/RHEL and

Hypervisor: KVM hosts upgrade.

Instructions for creating packages from the CloudStack source are in the CloudStack Installation Guide.

6.2 Update System-VM templates

1. While running the existing 4.4.x system, log in to the UI as root administrator.

2. In the left navigation bar, click Templates.

3. In Select view, click Templates.

4. Click Register template.

The Register template dialog box is displayed.

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Red Hat ENTERPRISE LINUX 4.5.0 - Przewodnik Instalacji Strona 27