HP-UX iSCSI Software Initiator Support Guide: HP-UX 11i v1 & 11i v2

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HP Part Number: T1452-90011

Edition: Edition 5

Published: E0705

© Copyright 2005 Hewlett-Packard Development Company L.P.

Table of Contents

About This Document

Intended Audience
New and Changed Documentation in This Edition
Publishing History
Related Documents
HP Encourages Your Comments

1 iSCSI Overview

iSCSI Protocol Overview
The iSCSI PDU
iSCSI Layering
iSCSI Session and TCP Connections
iSCSI Login
iSCSI Concepts: Network Entities, Portals, and Nodes

2 HP-UX iSCSI Software Initiator Product Overview

HP-UX iSCSI Software Initiator Features

HP-UX iSCSI Software Initiator Components

Hardware Path Representation
Device Discovery

3 Installation

Locating and Installing the iSCSI Software Initiator
iSCSI Software Initiator Components
Kernel Build
Verifying the Installation

4 Configuration

Configuring the iSCSI Software Initiator

Challenge-Handshake Authentication Protocol (CHAP) Configuration

Configuring CHAP Authentication Uni-directional
Configuring CHAP Authentication Bi-directional
Starting the iradd (iSCSI CHAP) Daemon

Configuring iSCSI Service Location Protocol Daemon "Start on Boot"

Configuring iSCSI Service Location Protocol (SLP) Scope

5 Management

The iscsiutil tool

iscsiutil Command Utilization

iSCSI Transport Statistics

Diagnostic Messages

iSCSI Software Initiator Daemons

iSCSI Software Initiator Name Resolution Daemon (iscsi_resolvd)
iSCSI Challenge-Handshake Authentication Protocol Daemon (iradd)
iSCSI Service Location Protocol Daemon (islpd)

6 Troubleshooting

Troubleshooting the iSCSI Software Initiator Installation
Troubleshooting Undetected Target Devices
Troubleshooting issues with iswd daemon
Diagnostics

7 The iSCSI Software Interface Driver

iSCSI Software Interface Driver Overview

iSCSI Software Interface Driver Technical Overview

System Startup

iSCSI Software Interface Driver Technical Specifications

Features
Limitations

iSCSI Software Interface Driver Configuration

Kernel Build

iSCSI Software Interface Driver Management

iSCSI Software Interface Driver Statistics

iSCSI Software Interface Driver Diagnostic Messages

iSCSI Software Interface Driver Daemons

iSCSI Software Interface Driver Daemon (iswd)

A Login Key Configuration

Configuring iSCSI Login Keys

Header and Data Digest Configuration Examples
Authentication Method Configuration Examples
Displaying Login Keys

B Transport Statistics

Transport Statistics

C Diagnostic Messages

Diagnostic Messages

Message Descriptions

D iSCSI Software Interface Driver Statistics

iSCSI Software Interface Driver Statistics

E iSCSI Software Interface Driver Diagnostic Messages

iSCSI Software Interface Driver Diagnostic Messages

Terminology
Acronyms

List of Figures

1-1 iSCSI: A Transport Protocol Alternative that Operates Over TCP/IP
1-2 iSCSI Protocol Data Unit (PDU)
1-3 TCP Segment Data Area of an Ethernet Frame
1-4 iSCSI Layering
1-5 An iSCSI Session
1-6 iSCSI Session Establishment and Phases
1-7 Network Entities, Portals and Nodes
1-8 iSCSI Target Sharing Two Target Portal Groups
2-1 HP-UX iSCSI Software Initiator Block Diagram
2-2 Service Location Protocol

List of Tables

1 iSCSI Software Initiator Support Guide Publishing History
2-1 SLP Server Installation Information and Related Documents
4-1 CHAP and RADIUS Server Documentation
B-1 Transport Statistics
C-1 Logging Levels for the syslog.log File
D-1 Software Interface Driver Statistics