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Oracle Solaris 11.1 Administration: Oracle Solaris Zones, Oracle Solaris 10 Zones, and Resource Management     Oracle Solaris 11.1 Information Library
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Document Information

Preface

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)

Introduction to Resource Pools

Introduction to Dynamic Resource Pools

About Enabling and Disabling Resource Pools and Dynamic Resource Pools

Resource Pools Used in Zones

When to Use Pools

Resource Pools Framework

/etc/pooladm.conf Contents

Pools Properties

Implementing Pools on a System

project.pool Attribute

SPARC: Dynamic Reconfiguration Operations and Resource Pools

Creating Pools Configurations

Directly Manipulating the Dynamic Configuration

poold Overview

Managing Dynamic Resource Pools

Configuration Constraints and Objectives

Configuration Constraints

pset.min Property and pset.max Property Constraints

cpu.pinned Property Constraint

pool.importance Property Constraint

Configuration Objectives

wt-load Objective

The locality Objective

utilization Objective

Configuration Objectives Example

poold Properties

poold Functionality That Can Be Configured

poold Monitoring Interval

poold Logging Information

Configuration Information Logging

Monitoring Information Logging

Optimization Information Logging

Logging Location

Log Management With logadm

How Dynamic Resource Allocation Works

About Available Resources

Determining Available Resources

Identifying a Resource Shortage

Determining Resource Utilization

Identifying Control Violations

Determining Appropriate Remedial Action

Using poolstat to Monitor the Pools Facility and Resource Utilization

poolstat Output

Tuning poolstat Operation Intervals

Commands Used With the Resource Pools Facility

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)

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 11.1 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

Glossary

Index

When to Use Pools

Resource pools offer a versatile mechanism that can be applied to many administrative scenarios.

Batch compute server

Use pools functionality to split a server into two pools. One pool is used for login sessions and interactive work by timesharing users. The other pool is used for jobs that are submitted through the batch system.

Application or database server

Partition the resources for interactive applications in accordance with the applications' requirements.

Turning on applications in phases

Set user expectations.

You might initially deploy a machine that is running only a fraction of the services that the machine is ultimately expected to deliver. User difficulties can occur if reservation-based resource management mechanisms are not established when the machine comes online.

For example, the fair share scheduler optimizes CPU utilization. The response times for a machine that is running only one application can be misleadingly fast. Users will not see these response times with multiple applications loaded. By using separate pools for each application, you can place a ceiling on the number of CPUs available to each application before you deploy all applications.

Complex timesharing server

Partition a server that supports large user populations. Server partitioning provides an isolation mechanism that leads to a more predictable per-user response.

By dividing users into groups that bind to separate pools, and using the fair share scheduling (FSS) facility, you can tune CPU allocations to favor sets of users that have priority. This assignment can be based on user role, accounting chargeback, and so forth.

Workloads that change seasonally

Use resource pools to adjust to changing demand.

Your site might experience predictable shifts in workload demand over long periods of time, such as monthly, quarterly, or annual cycles. If your site experiences these shifts, you can alternate between multiple pools configurations by invoking pooladm from a cron job. (See Resource Pools Framework.)

Real-time applications

Create a real-time pool by using the RT scheduler and designated processor resources.

System utilization

Enforce system goals that you establish.

Use the automated pools daemon functionality to identify available resources and then monitor workloads to detect when your specified objectives are no longer being satisfied. The daemon can take corrective action if possible, or the condition can be logged.