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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

Staff Required

Removing Components to Reduce Weight

Configuration and Cabling

Term Definitions

Configuration Rules

General Rules

Connecting Host Bus Adapters (HBAs)

Connecting Multiple Sun Storage J4500 Arrays

SAS Target Limits

Configuration with Blade Servers

Cabling the SAS Connectors

Example Configurations

Single Host Direct Connection

Single Host With Cascaded Arrays

Single Host Direct Connection to Two Arrays

Multipath Connection to the Array

Multi-host Zoned Connection to the Array

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

Using the Array Management Software to Monitor Enclosure Health

Array Link Problems

Disks Problems

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

Exterior Features, Controls, and Indicators

This section describes the features and the controls and indicators on the front and rear panels of the J4500 array.

Front Panel

Sun Storage J4500 Array Front Panel Features shows the front panel. Sun Storage J4500 Array Front Panel Controls and Indicators shows a close up of the controls and indicators. Front Panel Controls and Indicators lists and describes the front panel controls and indicators.

Figure 1-2 Sun Storage J4500 Array Front Panel Features

image:This graphic shows the front panel of the Sun Storage J4500 Array.

Figure Legend

1 USB ports—Not used

2 Serial numbers on ledge

Figure 1-3 Sun Storage J4500 Array Front Panel Controls and Indicators

image:This graphic shows the front panel controls for the Sun Storage J4500 Array.

Table 1-2 Front Panel Controls and Indicators

#
Name
Description
1
Locate button/LED
Using array management software, operators can turn this LED on remotely to help them to locate the array enclosure in a crowded server room. Press to turn off.
2
System fault
On – service action is required
3
Power LED
On – Power is on Blinking – Standby power is on but main power is off Off – Power is off
4
Enclosure power button
See Powering On and Off the Array for details.
5
Top fault LED
On – Hard disk or fan fault
6
Rear fault LED
On – Power supply, or system controller fault (service is required)
7
Over temperature LED
On – The array enclosure has exceeded the operating temperature

Back Panel

Sun Storage J4500 Array Back Panel SAS Ports shows the features of the back panel. Rear Panel Features  lists and describes each feature.

Figure 1-4 Sun Storage J4500 Array Back Panel

image:This graphic shows the back panel components of the Sun Storage J4500 Array.

Table 1-3 Rear Panel Features 

#
Name
Description
1
Power supply fault LED (amber)
On – Service action is required
2
Power supply LED (green)
On – Power is on (AC/DC are OK) Blinking – Standby power is on (AC is OK) Off – Power is off
3
AC power connector
Each power supply has its own AC connector with a clip to secure its power cable.
4
Chassis ground
Connect grounding straps here.
5
Filler panel
This filler panel seals an access area in the chassis used by service personnel.
6
Locate button/LED (white)
Using array management software, operators can turn this LED on remotely to help them to locate the enclosure in a crowded server room. Press to turn off.
7
System fault LED (amber)
On – Service action is required
8
System power LED (green)
On – Power is on Blinking – Standby power is on but main power is off Off – Power is off
9
SAS link activity LED (green)
Each SAS port has a SAS Link Activity LED:

On – 1 to 4 links are ready Blinking – Read/Write port activity Off – Link is lost
10
Two mini-SAS x4 connector ports (SAS B)
Secondary (redundant) SAS ports 0 and 1, each with SAS Link activity LEDs. Port 0 uses subtractive or direct routing and connects to a host or upstream devices. Port 1 is universal, using table and direct routing, and connects to a host or downstream devices.
11
SAS ID (or WWN)
The label placed here lists the unique SAS ID address (also known as World-Wide Name) of the enclosure.
12
Two mini-SAS x4 connector ports (SAS A)
Primary SAS ports 0 and 1, each with SAS Link activity LEDs. Port 0 uses subtractive or direct routing and connects to a host or upstream devices. Port 1 is universal, using table and direct routing, and connects to a host or downstream devices.
13
Enclosure reset button
Resets the array enclosure hardware without powering down the array. For more information, see Chapter 5, Troubleshooting.
14
System controller status LEDs
Blue – Ready to remove (service action allowed)

Amber – Fault (Service action required)

Green – OK (no action required)
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