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Oracle Solaris Administration: Oracle Solaris Zones, Oracle Solaris 10 Zones, and Resource Management     Oracle Solaris 11 Information Library
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Part I Oracle Solaris Resource Management

1.  Introduction to Resource Management

2.  Projects and Tasks (Overview)

3.  Administering Projects and Tasks

4.  Extended Accounting (Overview)

5.  Administering Extended Accounting (Tasks)

6.  Resource Controls (Overview)

7.  Administering Resource Controls (Tasks)

8.  Fair Share Scheduler (Overview)

9.  Administering the Fair Share Scheduler (Tasks)

10.  Physical Memory Control Using the Resource Capping Daemon (Overview)

11.  Administering the Resource Capping Daemon (Tasks)

12.  Resource Pools (Overview)

13.  Creating and Administering Resource Pools (Tasks)

14.  Resource Management Configuration Example

Part II Oracle Solaris Zones

15.  Introduction to Oracle Solaris Zones

Zones Overview

About Oracle Solaris Zones in This Release

Read-Only solaris Non-Global Zones

About Converting ipkg Zones to solaris Zones

About Branded Zones

Processes Running in a Branded Zone

Non-Global Zones Available in This Release

When to Use Zones

How Zones Work

Summary of Zones by Function

How Non-Global Zones Are Administered

How Non-Global Zones Are Created

Non-Global Zone State Model

Non-Global Zone Characteristics

Using Resource Management Features With Non-Global Zones

Monitoring Non-Global Zones

Capabilities Provided by Non-Global Zones

Setting Up Zones on Your System (Task Map)

16.  Non-Global Zone Configuration (Overview)

17.  Planning and Configuring Non-Global Zones (Tasks)

18.  About Installing, Shutting Down, Halting, Uninstalling, and Cloning Non-Global Zones (Overview)

19.  Installing, Booting, Shutting Down, Halting, Uninstalling, and Cloning Non-Global Zones (Tasks)

20.  Non-Global Zone Login (Overview)

21.  Logging In to Non-Global Zones (Tasks)

22.  About Zone Migrations and the zonep2vchk Tool

23.  Migrating Oracle Solaris Systems and Migrating Non-Global Zones (Tasks)

24.  About Automatic Installation and Packages on an Oracle Solaris 11 System With Zones Installed

25.  Oracle Solaris Zones Administration (Overview)

26.  Administering Oracle Solaris Zones (Tasks)

27.  Configuring and Administering Immutable Zones

28.  Troubleshooting Miscellaneous Oracle Solaris Zones Problems

Part III Oracle Solaris 10 Zones

29.  Introduction to Oracle Solaris 10 Zones

30.  Assessing an Oracle Solaris 10 System and Creating an Archive

31.  (Optional) Migrating an Oracle Solaris 10 native Non-Global Zone Into an Oracle Solaris 10 Zone

32.  Configuring the solaris10 Branded Zone

33.  Installing the solaris10 Branded Zone

34.  Booting a Zone, Logging in, and Zone Migration



Zones Overview

The Oracle Solaris Zones partitioning technology is used to virtualize operating system services and provide an isolated and secure environment for running applications. A zone is a virtualized operating system environment created within a single instance of the Oracle Solaris operating system.

The goal of virtualization is to move from managing individual datacenter components to managing pools of resources. Successful server virtualization can lead to improved server utilization and more efficient use of server assets. Server virtualization is also important for successful server consolidation projects that maintain the isolation of separate systems.

Virtualization is driven by the need to consolidate multiple hosts and services on a single machine. Virtualization reduces costs through the sharing of hardware, infrastructure, and administration. Benefits include the following:

When you create a zone, you produce an application execution environment in which processes are isolated from the rest of the system. This isolation prevents processes that are running in one zone from monitoring or affecting processes that are running in other zones. Even a process running with root credentials cannot view or affect activity in other zones. With Oracle Solaris Zones, you can maintain the one-application-per-server deployment model while simultaneously sharing hardware resources.

A zone also provides an abstract layer that separates applications from the physical attributes of the machine on which they are deployed. Examples of these attributes include physical device paths.

Zones can be used on any machine that is running the Oracle Solaris 10 or later Oracle Solaris release. The upper limit for the number of zones on a system is 8192. The number of zones that can be effectively hosted on a single system is determined by the total resource requirements of the application software running in all of the zones, and the size of the system.

These concepts are discussed in Chapter 17, Planning and Configuring Non-Global Zones (Tasks).