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Sun Storage J4500 Array Service Manual
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Document Information

Preface

1.  Introduction to the Sun Storage J4500 Array

1.1 Features

1.2 Exterior Features, Controls, and Indicators

1.2.1 Front Panel

1.2.2 Back Panel

1.2.3 Sun Storage J4500 Array Internal Components

1.3 Accessory Kit

2.  Configuring and Powering On the Sun Storage J4500 Array

2.1 Configuration and Cabling

2.1.1 Terms and Definitions

2.1.2 Configuration Rules

2.1.3 Cabling the SAS Connectors

2.1.4 Example Configurations

2.2 Powering On and Off the Array

To Power On the Array

To Place the Array Into Standby Power Mode

To Power Off the Array

2.2.1 AC Power Failure Auto-Recovery

3.  Maintaining the Sun Storage J4500 Array

3.1 Options and Replaceable Components

3.2 Tools and Supplies Needed

3.3 Powering Off the Array and Removing It From the Rack

To Power Off the Array

To Remove the Array Enclosure From the Rack

3.4 Removing and Replacing the Hard Disk Drive Access Cover

To Remove the Hard Disk Drive Access Cover

To Replace the Hard Disk Drive Access Cover

3.5 Internal Component Locations

3.6 Replacing Components

To Replace a Fan Module

To Replace the Front Indicator Board

To Replace a Hard Disk Drive

To Replace the Power Distribution Board

To Replace a Power Supply

To Replace the System Controller Module

To Replace the Array Chassis

3.7 Upgrading Enclosure Firmware

3.7.1 Ensure Both SAS Fabrics are Upgraded to the Same Firmware Revision Level

4.  Troubleshooting

4.1 External Status LEDs

4.2 Internal Disk Drive and Fan LEDs

4.3 Diagnostic and Management Tools

4.3.1 SunVTS

4.3.2 Common Array Manager (CAM)

4.4 Troubleshooting Problems with the Array

4.4.1 Initial Start-up

4.4.2 Check the Event and Performance Logs

4.4.3 Using the Array Management Software to Monitor Enclosure Health

4.4.4 Array Link Problems

4.4.5 Disk Problems

4.4.6 Array Environment Problems

4.4.7 Power Problems

4.5 Resetting the Enclosure Hardware

To Reset the Enclosure Hardware Using the Reset Button

4.6 Clearing the Enclosure Zoning Password

To Clear the Enclosure Zoning Password

A.  System Specifications

B.  Connector Pinouts

B.1 Mini-SAS Connectors

B.2 I/O-to-Disk Backplane Connectors

B.2.1 Power Blade Connector

B.2.2 High-Speed Dock Connectors

B.3 Power Supply Connector

B.4 Disk Backplane-to-Front Indicator Connector

B.5 Backplane-to-Disk-Backplane Connector

B.6 Fan Tray Connectors

B.7 Fan Connectors

Index

3.7 Upgrading Enclosure Firmware

The Storage J4500 array enclosure contains upgradable firmware. You may want to upgrade the enclosure firmware to:

The Sun Common Array Management (CAM) software provides firmware upgrade capabilities for the J4500 array connected to any supported HBA. For more information on using the CAM software, see the Sun Storage J4500 Array System Overview (820-3163).

3.7.1 Ensure Both SAS Fabrics are Upgraded to the Same Firmware Revision Level

The J4500 array contains two SAS fabrics (A and B). Each fabric has its own set of SAS expanders. The firmware upgrade process is only performed on the fabric with the active SAS link to the HBA. When upgrading enclosure firmware, Sun recommends that you upgrade firmware on both SAS fabrics to ensure they are at the same revision level.

This will require you to take the following steps:

  1. Using CAM, perform the upgrade on the enclosure's primary SAS fabric.

  2. Then, at a convenient time, move the SAS cable to the enclosure's secondary SAS fabric.

    When performing this action, allow time between the removal of the link from the primary fabric and the reconnection to the secondary fabric for your HBA to recover from the lost and then re-established SAS link. Depending on the HBA, this can take up to 2 minutes each time the link state is changed.

  3. Using CAM, perform the upgrade on the enclosure's secondary SAS fabric.