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Most common problem areas, Table 12: most common problem areas, Table 13: troubleshooting tools – HP StorageWorks MSA 2.8 SAN Switch User Manual

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Troubleshooting

196

Fabric OS Procedures Version 3.1.x/4.1.x User Guide

Most Common Problem Areas

There are many tools available to help troubleshoot the SAN. The following table
describes tools that can be used to troubleshoot specific areas.

Table 12: Most Common Problem Areas

Area

Investigate

Fabric

Missing devices
Marginal links (unstable connections)
Incorrect zoning configurations
Incorrect switch configurations

Storage Devices

Physical issues between switch and devices
Incorrect storage software configurations

Hosts

Incorrect host bus adapter installation
Incorrect device driver installation
Incorrect device driver configuration

Storage Management

Applications

Incorrect installation and configuration of the storage

devices that the software references. For example, if

using a volume-management application, check for:

Incorrect volume installation

Incorrect volume configuration

Table 13: Troubleshooting Tools

Problem Area

Troubleshooting Tool

Fabric

Switch LEDs.
Switch commands for diagnostics (command line).
Web or GUI-based monitoring and management

software tools.
Real-time distributed fabric operating system with

advanced diagnostics.

Storage Devices

Device LEDs
Storage diagnostic tools