Novell PLATESPIN ORCHESTRATE 2.0.2 - ADMINISTRATOR REFERENCE... Manuale di servizio

Novell®

www.novell.com

novdocx (en) 13 May 2009

AUTHORIZED DOCUMENTATION

PlateSpin Orchestrate 2.0 Administrator Reference

PlateSpin

Orchestrate

2.0.2

June 17, 2009

Administrator Reference

novdocx (en) 13 May 2009

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4PlateSpin Orchestrate 2.0 Administrator Reference

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Contents 5

Contents

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About This Guide 7

1 Basic PlateSpin Orchestrate Concepts 9

1.1 Understanding PlateSpin Orchestrate Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1.1 The PlateSpin Orchestrate Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.1.2 The Resource Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.1.3 Entity Types and Managers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.1.4 Jobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.1.5 Constraint-Based Job Scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.1.6 Understanding PlateSpin Orchestrate API Interfaces . . . . . . . . . . . . . . . . . . . . . . . . 18

1.2 Understanding PlateSpin Orchestrate Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.2.1 Resource Virtualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.2.2 Policy-Based Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1.2.3 Grid Object Visualization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1.2.4 Understanding Job Semantics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

1.2.5 Distributed Messaging and Failover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

1.2.6 Web-Based User Interaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

A PlateSpin Orchestrate Security 27

A.1 User and Administrator Password Hashing Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

A.2 User and Agent Password Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

A.3 Password Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

A.4 TLS Encryption. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

A.5 Security for Administrative Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

A.6 Plain Text Visibility of Sensitive Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

B Server Discovery and Multicasting 31

B.1 Multicast Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

B.2 Multicast Routes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

B.3 Multi-homed Hosts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

B.4 Multiple Subnets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

B.5 Datagrid and Multicasting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

B.6 Datagrid Multicast Interface Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6PlateSpin Orchestrate 2.0 Administrator Reference

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About This Guide 7

novdocx (en) 13 May 2009

About This Guide

This Administration Guide introduces the processes you can use with PlateSpin®Orchestrate 2.0

from Novell®, including the applied use of the PlateSpin Orchestrate Development Client and

various command line tools. The guide provides an introductory overview of PlateSpin Orchestrate

and explains how it administers and manages work on the resources of the data center. The guide is

organized as follows:

Chapter 1, “Basic PlateSpin Orchestrate Concepts,” on page 9

Appendix A, “PlateSpin Orchestrate Security,” on page 27

Appendix B, “Server Discovery and Multicasting,” on page 31

For reference information about the Orchestrate Server or the Orchestrate Development Client, see

the PlateSpin Orchestrate 2.0 Development Client Reference. For information about the Orchestrate

Command Line Tools, see PlateSpin Orchestrate 2.0 Command Line Reference.

Audience

This book is intended for data center managers and IT or Operations administrators. It assumes that

users of the product have the following background:

General understanding of network operating environments and systems architecture.

Knowledge of basic UNIX* shell commands and text editors.

Feedback

We want to hear your comments and suggestions about this manual and the other documentation

included with this product. Please use the User Comments feature at the bottom of each page of the

online documentation, or go to www.novell.com/documentation/feedback.html (http://

www.novell.com/documentation/feedback.html) and enter your comments there.

Documentation Updates

For the most recent version of this Administration Guide, visit the PlateSpin Orchestrate Web site

(http://www.novell.com/documentation/pso_orchestrate20/).

Documentation Conventions

In Novell documentation, a greater-than symbol (>) is used to separate actions within a step and

items in a cross-reference path.

A trademark symbol (®, TM, etc.) denotes a Novell trademark. An asterisk (*) denotes a third-party

trademark.

When a single pathname can be written with a backslash for some platforms or a forward slash for

other platforms, the pathname is presented with a backslash. Users of platforms that require a

forward slash, such as Linux* or UNIX, should use forward slashes as required by your software.

8PlateSpin Orchestrate 2.0 Administrator Reference

novdocx (en) 13 May 2009

Basic PlateSpin Orchestrate Concepts

novdocx (en) 13 May 2009

Basic PlateSpin Orchestrate

Concepts

This section contains the followings information:

Section 1.1, “Understanding PlateSpin Orchestrate Architecture,” on page 9

Section 1.2, “Understanding PlateSpin Orchestrate Functionality,” on page 20

1.1 Understanding PlateSpin Orchestrate

Architecture

PlateSpin Orchestrate from Novell is an advanced datacenter management solution designed to

manage all network resources. It provides the infrastructure that manages group of ten, one hundred,

or thousands of physical or virtual resources.

PlateSpin Orchestrate is equally apt at performing a number of distributed processing problems.

From high performance computing, the breaking down of work into lots of small chunks that can be

processed in parallel through distributed job scheduling. The following figure shows the product’s

high-level architecture:

Figure 1-1 PlateSpin Orchestrate Architecture

10 PlateSpin Orchestrate 2.0 Administrator Reference

novdocx (en) 13 May 2009

This section contains information about the following topics:

Section 1.1.1, “The PlateSpin Orchestrate Agent,” on page 10

Section 1.1.2, “The Resource Monitor,” on page 11

Section 1.1.3, “Entity Types and Managers,” on page 11

Section 1.1.4, “Jobs,” on page 14

Section 1.1.5, “Constraint-Based Job Scheduling,” on page 17

Section 1.1.6, “Understanding PlateSpin Orchestrate API Interfaces,” on page 18

1.1.1 The PlateSpin Orchestrate Agent

Agents are installed on all managed resources as part of the product deployment. The agent connects

every managed resource to its configured server and advertises to the PlateSpin Orchestrate Server

that the resource is available for tasks. This persistent and auto-reestablishing connection is

important because it provides a message bus for the distribution of work, collection of information

about the resource, per-job messaging, health checks, and resource failover control.

After resources are enabled, PlateSpin Orchestrate can discover, access, and store detailed

abstracted information—called “facts”—about every resource. Managed resources, referred to as

“nodes,” are addressable members of the Orchestrate Server “grid” (also sometimes called the

“matrix”). When integrated into the grid, nodes can be deployed, monitored, and managed by the

Orchestrate Server, as discussed in Section 1.2, “Understanding PlateSpin Orchestrate

Functionality,” on page 20.

An overview of the PlateSpin Orchestrate grid architecture is illustrated in the figure below, much of

which is explained in this guide:

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