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System Administration Guide: Oracle Solaris Zones, Oracle Solaris 10 Containers, and Resource Management     Oracle Solaris 11 Express 11/10
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Document Information


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

16.  Non-Global Zone Configuration (Overview)

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

Planning and Configuring a Non-Global Zone (Task Map)

Evaluating the Current System Setup

Disk Space Requirements

Restricting Zone Size

Determine the Zone Host Name and the Network Requirements

Zone Host Name

Shared-IP Zone Network Address

IPv4 Zone Network Address

IPv6 Zone Network Address

Exclusive-IP Zone Network Address

File System Configuration

Creating, Revising, and Deleting Non-Global Zone Configurations (Task Map)

Configuring, Verifying, and Committing a Zone

How to Configure the Zone

Where to Go From Here

Script to Configure Multiple Zones

How to Display the Configuration of a Non-Global Zone

Using the zonecfg Command to Modify a Zone Configuration

How to Modify a Resource Type in a Zone Configuration

How to Clear a Property Type in a Zone Configuration

How to Rename a Zone

How to Add a Dedicated Device to a Zone

How to Set zone.cpu-shares in the Global Zone

Using the zonecfg Command to Revert or Remove a Zone Configuration

How to Revert a Zone Configuration

How to Delete a Zone Configuration

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

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

20.  Non-Global Zone Login (Overview)

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

22.  Moving and Migrating Non-Global Zones (Tasks)

23.  About Packages on an Oracle Solaris 11 Express System With Zones Installed

24.  Oracle Solaris Zones Administration (Overview)

25.  Administering Oracle Solaris Zones (Tasks)

26.  Troubleshooting Miscellaneous Oracle Solaris Zones Problems

Part III Oracle Solaris 10 Zones

27.  Introduction to Oracle Solaris 10 Zones

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

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

30.  Configuring the solaris10 Branded Zone

31.  Installing the solaris10 Branded Zone

32.  Booting a Zone and Zone Migration

33.  solaris10 Branded Zone Login and Post-Installation Configuration



Evaluating the Current System Setup

Zones can be used on any machine that runs the Oracle Solaris 10 or later release. The following primary machine considerations are associated with the use of zones.

Disk Space Requirements

There are no limits on how much disk space can be consumed by a zone. The global administrator or a user with appropriate authorizations is responsible for space restriction. The global administrator must ensure that local storage is sufficient to hold a non-global zone's root file system. Even a small uniprocessor system can support a number of zones running simultaneously.

The nature of the packages installed in the non-global zone affects the space requirements of the zones. The number of packages is also a factor.

The whole root zone model provides the maximum configurability. All of the required and any selected optional Oracle Solaris packages are installed into the private file systems of the zone. The advantages of this model include the capability for global administrators to customize the file system layout of their zones. This would be done, for example, to add arbitrary unbundled or third-party packages.

The disk requirements for this model are determined by the disk space used by the packages currently installed in the global zone and the installed software.

A zone requires a minimum of 150 megabytes of free disk space per zone. However, the free disk space needed is generally from 500 megabytes to 1 gigabyte when the global zone has been installed with all of the standard Oracle Solaris packages. That figure can increase if more software is added.

An additional 40 megabytes of RAM per zone are suggested, but not required on a machine with sufficient swap space.

Restricting Zone Size

You can use ZFS dataset quotas with zones that have zonepaths backed by ZFS datasets to restrict zone size. Administrators that can access zonepath datasets can modify the datasets' quota, userquota, groupquota, and refquota properties to control the maximum amount of disk space that each zone can consume. These properties are described in the zfs(1M) man page.

Administrators can also create ZFS volumes with fixed sizes and install zones in the volume's datasets. The volumes will limit the sizes of the zones installed within them.