From Summerseas

DRAFT
The goal of this iSCSI Protocol Analysis and Troubleshooting Guide is to assist with diagnosing and resolving iSCSI implementation or interoperability problems. This document will strive to be generic enough to be applicable in all situations and will be vendor neutral.

Contents 1 To Do List 2 Overview 3 Tools for Analysis 3.1 Wireshark 3.2 tcpdump 4 Real World Examples with Analysis 4.1 Login Failures 4.1.1 Security Incorrectly Configured 4.1.2 TPGT Mismatch 4.1.3 RFC Violations 4.2 Performance Issues 4.2.1 Target Portal Address Unreachable 4.2.2 Nagle 4.3 Interoperability Issues 4.3.1 Target Drops iSCSI Boot Initiator

To Do List

• 1. Solicit real world analysis examples from open-iscsi and OpenSolaris groups.
• 2. Recruit existing and new members to help with the doc.
• 3. Recruit a tech writer

Overview

Tools for Analysis

Wireshark

tcpdump

Real World Examples with Analysis

Login Failures

Security Incorrectly Configured

TPGT Mismatch

RFC Violations

Performance Issues

Target Portal Address Unreachable

Nagle

Interoperability Issues

Target Drops iSCSI Boot Initiator