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Sun Storage J4500 Array System Overview
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Document Information

Preface

1.  Hardware Overview

Overview of the Sun Storage J4500 Array

Features

Exterior Features, Controls, and Indicators

Front Panel

Back Panel

Supported Server Platforms

Supported Host Bus Adapters

Installation Overview

Sun Storage J4500 Array Rack Slide Rails

Compatible Racks

Tools and Staff Required

Configuration and Cabling

Term Definitions

Configuration Rules

Cabling the SAS Connectors

Example Configurations

Powering On and Off the Array

To Power On the Array

To Place the Array Into Standby Power Mode

To Power Off the Array

AC Power Failure Auto-Recovery

2.  Software Overview

Operating System Support

Updated Driver Files Required for Windows

Clustering Software Not Supported With the J4500 Array

Array Management Overview

Management Term Definitions

About Enclosure Management

Array Management Options

Management Options When Using the StorageTek SAS RAID External HBA (Adaptec-Based)

Management Options When Using the StorageTek SAS External HBA (LSI-Based)

Using the Common Array Manager Software

Viewing Sun Storage J4500 Array Information With CAM

Problem Resolution

Zoning Array Storage Resources Using CAM

Upgrading Sun Storage J4500 Array Firmware Using CAM

Obtaining CAM Software

Using the StorageTek RAID Manager Software

Viewing Sun Storage J4500 Array Information With the Sun StorageTek RAID Manager

3.  Adding and Zoning Array Storage Using CAM

Overview of Zoning

System Requirements

Access Configuration (Zoning) Guidelines

Adding (Cascading) a J4500 Array to An Existing Zoned J4500 Array

To Prepare an Existing Array Prior to Cascading Additional Storage

To Prepare a New J4500 Array for Cascading

To Cascade Arrays Using CAM

Configuring Multiple Host Access for a J4500 Array

To Configure Multiple Host Access for a J4500 Array

4.  SAS Multipathing

System Requirements

Supported Sun Storage J4500 Array Firmware and Common Array Manager (CAM) Software

Supported HBAs

Supported Operating Systems and Drivers

Supported Drives for Multipath

Multipathing Configuration Guidelines

Configuration Examples

Multipathing With One Host, One HBA and One Array

Multipathing With One Host, One HBA and Cascaded Arrays

Multipathing With One Host, Two HBAs and Cascaded Arrays

Multipathing With Two Hosts, Four HBAs and Cascaded Arrays

Multipathing With Two Hosts, Multiple HBAs and Cascaded Arrays

Enabling and Disabling Multipathing in the Solaris Operating System

About Multipathing

stmsboot Options

stmsboot Conditions

To Enable Multipathing on LSI-Based Multipath-Capable Controllers

To Disable Multipathing on LSI-Based Multipath-Capable Controllers

Configuring Multipathing on Selected Ports

Enabling and Disabling Multipathing in the Linux Operating System

About Multipathing

To Enable Multipathing in Linux

To Disable Multipathing in Linux

Enabling and Disabling Multipathing in the Windows Operating System

About Multipathing

How a Failover is Handled by Windows

To Enable Multipathing in Windows Server 2008

To Disable Multipathing in Windows Server 2008

5.  Troubleshooting

CAM Service Advisor

To Access Service Advisor Procedures

Taking Electrostatic Discharge (ESD) Precautions

To Reserve the Array for Maintenance

To Release the Array After Maintenance

Understanding the CAM Event Log

Troubleshooting Problems with the Array

Initial Start-up

Check the Event and Performance Logs

Identifying Disks in the Array Enclosure

Using the Array Management Software to Monitor Enclosure Health

Array Link Problems

Switching SAS Cables or Making New Connections

Disks Problems

To Replace a Disk

Guidelines for Removal and Replacement of RAID Storage

Persistent Affiliation When Changing HBAs

If You Do Not See All of the 48 Disks

Array Environment Problems

Power Problems

Resetting the Enclosure Hardware

To Reset the Enclosure Hardware Using the Reset Button

Clearing the Enclosure Zoning Password

To Clear the Enclosure Zoning Password

Index

CAM Service Advisor

The Sun StorageTek Common Array Manager (CAM) software includes the Service Advisor application, which provides guided wizards with system feedback for hardware replacement of Customer Replaceable Units (CRUs). In addition, Service Advisor provides troubleshooting procedures for alarms.


Note - All Field Replaceable Units (FRUs) are also CRUs in the J4500 array.


Before you can access Service Advisor procedures, you must have already installed the Common Array Manager software, as described in the Sun StorageTek Common Array Manager User Guide for your version of CAM.

Host management, data host management, and remote command line interface (CLI) functions are performed by the Sun StorageTek Common Array Manager software.

The CRU replacement procedures available through the Sun StorageTek Common Array Manager Service Advisor application include (but are not limited to):

To Access Service Advisor Procedures

To launch Service Advisor and access hardware replacement procedures:

  1. Log on to the Sun Java Web Console on the management software host.

    For example, https://management_host_address:6789

  2. In the Storage section of the Sun Java Web Console page, select Sun StorageTek Common Array Manager.

    The navigation pane and the Storage System Summary page appear.

  3. Select an array under Storage Systems.
  4. At the top right of the Storage System Summary page, click the Service Advisor button.

    The Service Advisor application is displayed in a separate window.

  5. In the left pane, select the type of hardware replacement procedure you want to perform:
    • CRU/FRU Removal/Replacement Procedures

    • Array Utilities


    Note - If you see Service-only procedures listed, these are password protected for access by Sun service personnel only. Contact a Sun service representative for further information and assistance with service only procedures.


  6. To view a procedure, in the right pane either select it or expand its category, and select the hardware component that corresponds to the procedure.

Taking Electrostatic Discharge (ESD) Precautions

Follow these steps to prevent damaging any CRU during the removal and replacement process:

To Reserve the Array for Maintenance

Do the following to reserve the array for maintenance. This action will alert other users that a service action is in progress when they login.

  1. From the Service Advisor, click the link to reserve the array for maintenance.
  2. Enter a description of the service action.
  3. Select the estimated duration of the service action in hours from the pull-down.
  4. Select the Reserve button.
  5. Use the back arrow to return to the procedure.

To Release the Array After Maintenance

Once the required maintenance has been performed, release the array for normal operation.