Red Hat SATELLITE 5.3.0 RELEASE NOTES Installationsanleitung PDF herunterladen (Seite 3)

Definitions and Terms

• To use the new provisioning functionality, you need one or more target machines — either physical,

bare metal computer system(s) or virtual machine host(s). If you want to use Satellite's virtual

machine provisioning functionality, your virtual machine host(s) should be configured with either the

Xen or KVM virtualization technologies. Note that RHEL 5.4 and newer support KVM virtualization at

this time.

2. Definitions and Terms

• Provisioning — The process of configuring a machine (real or virtual) to a predefined known state.

Satellite ultimately accomplishes provisioning in all cases through the mechanism of kickstarting.

• * Kickstarting — A process of installing a Red Hat based system in an automated manner requiring

little or no user intervention. Technically, kickstart refers to a mechanism in Red Hat's Anaconda

installation program that allows you supply a concise description of the contents and configuration of

a machine to Red Hat's installer, which it then acts on. Such a concise system definition is referred

to in Satellite 5.3.0 as a Kickstart Profile.

• Kickstart Profile – A kickstart file is a text file that specifies all of the options needed to kickstart

a machine, including partitioning information, network configuration, and packages to install. In

RHN Satellite 5.3.0, a Kickstart Profile is a superset of a traditional Anaconda kickstart definition,

as Satellite's implementation builds on Cobbler's enhancements to kickstarting. A Kickstart Profile

presumes the existence of a Kickstart Tree.

• Kickstart Tree – the software and support files needed in order to kickstart a machine. This is

also often called an "install tree". This is usually the directory structure and files pulled from the

installation media that ships with a particular release. In Cobbler terminology, a Kickstart Tree is part

of a Distro - short for distribution.

• PXE or Preboot eXecution Environment — a low-level protocol that makes it possible to kickstart

bare-metal machines (usually physical or real machines) on power-up with no pre-configuration of

the target machine itself. PXE relies on a dhcp server to inform clients about bootstrap servers (for

purposes of this document, Satellite 5.3.0 installations). PXE must be supported in the firmware of

the target machine in order to be used. It is possible to use the virtualization and reinstall facilities of

Satellite without PXE, though PXE is very useful for booting new physical machines, or reinstalling

machines that are not registered to Satellite.

3. Provisioning Scenarios Supported

• New Installations — With Satellite 5.3.0 it is possible to provision systems that have not previously

had any operating system installed (also known as bare metal installations).

• Virtual Installations — Satellite 5.3.0 supports KVM and Xen Fullvirt guests. Previously only Xen

paravirt was supported as a virtualization type.

• Re-provisioning — Both physical and guest systems can be re-provisioned with Satellite 5.3.0,

provided that they've been registered to a Satellite 5.3.0 instance (this was supported in Satellite 5.2

and earlier)

4. Overview of Preparing a Satellite for Provisioning

1. Sync content - refer to the Satellite Installation Guide for details

2. Optional: Manually setup a kickstart tree

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Red Hat SATELLITE 5.3.0 RELEASE NOTES Installationsanleitung Seite 3