Sun Microsystems Sun Storage J4400 Replacement Manual

Marque: Sun Microsystems

Modèle: Sun Storage J4400

Taper: Replacement Manual

Sun Microsystems, Inc.

www.sun.com

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Sun Storage J4400 Array

Chassis Replacement Guide

Part No. 820-4601-10

April 2008, Revision A

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iii

Contents

Replacing a J4400 Array Chassis 1

Prerequisites 1

Verifying a Chassis Failure 1

ESD Precautions 2

Removing a Chassis 2

Installing the New Chassis 9

Installing CRUs Into a New Chassis 11

Completing the Chassis Installation 14

Related Documentation 15

iv Sun Storage J4400 Array Chassis Replacement Guide • April 2008

Replacing a J4400 Array Chassis

This document describes replacement procedures for the Sun Storage J4400 Array

chassis.

Caution – Only trained service personnel should remove the covers on this

equipment.

This product is intended for restricted access whereby access is controlled through

the use of a means of security (for example, key, lock, tool, badge access), and

personnel authorized for access have been instructed on the reasons for the

restrictions and any precautions that need to be taken.

Prerequisites

Before you start to replace a failed chassis, you must:

■ Back up all data stored on the array.

■ Stop all system I/O to the array.

■ Verify that the failed chassis is ready to be removed.

■ Prepare the work site and observe all “ESD Precautions” on page 2.

■ Remove all power from the chassis and chassis components.

Verifying a Chassis Failure

To determine that a chassis has failed, check the following:

■ The array System Power/Status LED (front) is amber.

2 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

■ The audible alarm is sounding.

■ All of the component fault LEDs are green.

■ Disk drive ID/Status LEDs (front) are green

■ SIM Power LED (back) is green

■ Power supply module LEDs (back) are green

Note – A steady amber LED on any component indicates a problem with that

component.

ESD Precautions

Observe the following electrostatic discharge (ESD) precautions:

■ Remove all plastic, vinyl, and foam material from the work area.

■ Wear an antistatic wrist strap at all times when handling any CRU.

■ Before handling any CRU, discharge any static electricity by touching a grounded

surface.

■ After removing a CRU from the cabinet, immediately place it on an antistatic mat.

■ Handle any card that is part of a CRU by its edges only and avoid touching the

components or circuitry.

■ Do not slide a CRU over any surface.

■ Limit body movement (which builds up static electricity) during the removal and

replacement of a CRU.

Removing a Chassis

Caution – You must remove power from the chassis that needs to be replaced

before starting this procedure. All interconnected trays will be disrupted during this

procedure. Powering off one J4400 Array tray causes loss of access to other

interconnected trays.

1. From the back of the cabinet, locate the chassis (also referred to as a tray) that is

being replaced (see “Verifying a Chassis Failure” on page 1).

2. Disconnect the power cord from each power supply (see

FIGURE 1):

Replacing a J4400 Array Chassis 3

a. Remove the power cord tie strap from each power cord.

b. Disconnect each power cord from its power supply connector (see

FIGURE 1).

FIGURE 1 Removing the Power Cable and Mini-SAS Cables

Caution – For products with multiple power cords, all power cords must be

disconnected to completely remove power from the system.

3. Label each mini-SAS cable connection (see

FIGURE 1) for reconnection to the

same connectors on the replacement chassis. For example, “Tray 1, SIM Link

Out to Tray 0, Host or SIM Link IN.”

4. Disconnect the labeled mini-SAS cables from each SIM board.

a. Grasp the metal body of the connector with one hand, and use your other

hand to firmly grasp and pull the tab.

b. Pull the tab gently toward the connector body, and, then with your other

hand, extract the connector from the bulkhead.

Connection Between

Tray 0 and Tray 1

Connection from Host

or SIM Link IN to

Management Host

Power Cord

4 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

Caution – Do not twist the tab or pull it in any direction other than parallel with

the connector body. If the tab breaks, use a small sharp object (such as a fine-tipped

screwdriver) to lift the metal spring at the top of the connector shell to unlatch it (see

FIGURE 1).

Caution – Electrical Shock Hazard. The power supplies in this equipment can

produce high energy hazards. Only instructed personnel with authorized access to

this equipment can remove and replace modules in the system.

a. Loosen the two captive thumb screws on the power supply ejection levers

and swing the ejection levers fully outward to partially eject the power

supply from the tray (see

FIGURE 2).

b. Pull the power supply out of the tray.

c. Place the power supply aside.

FIGURE 2 Removing a Power Supply

Replacing a J4400 Array Chassis 5

5. Remove each SIM board from the chassis (see FIGURE 3).

Caution – Possible lose of configuration data. Label the SIM boards (SIM 0 and

SIM 1) as you remove them from the faulty chassis, and reinstall them in the new

chassis in the same slot order to prevent possible loss of driver configuration data.

a. Loosen the captive thumb screws on the ejection levers and pull the

ejections levers out fully to partially eject the SIM board from the tray.

b. Pull the SIM board from chassis (see

FIGURE 3).

c. Place the SIM board aside in a static-free environment.

FIGURE 3 Removing a SIM Board From the Chassis

6 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

6. From the front of the cabinet, remove each disk drive and disk filler assembly

(see

FIGURE 4).

Caution – Potential loss of data access - Data might be lost if an active disk drive

is removed. If you remove an active disk drive accidentally, wait at least 30 seconds

before reinserting it.

Caution – Potential loss of configuration information or data - Label each disk

drive with the slot from which it was removed, and reinstall each drive in the

identical slot location in the replacement chassis.

a. Press the release button in and to the right to release the disk extraction

lever.

b. Swing the extraction lever fully out and to the right to partially extract the

disk drive from the tray.

c. Grasp the middle of the disk drive and pull it toward you to remove it from

the tray (see

FIGURE 4).

FIGURE 4 Removing a Disk Drive or Disk Filler Assembly

Replacing a J4400 Array Chassis 7

d. Record the slot location on the outer drive casing. Use the same slot location

when installing each disk drive in the new chassis.

e. Store each disk drive in a static-free environment.

7. After you have removed all of the components from the chassis, remove the

chassis from the cabinet (see

FIGURE 6).

Caution – The empty weight of a chassis is 14 kg (32 lbs). You might need two

people to remove the chassis from the cabinet.

a. Remove the two system locking clips from the lower corners of the rear

chassis (see ). You can use a Phillips head screwdriver for leverage to help

you pull out each clip. Set the clips aside.

FIGURE 5 Removing the System Locking Clips

b. From the front of the cabinet, loosen the four captive screws, two on either

side of the tray.

Locking Clip Installed

Locking Clip

Mounting Rail

J4400 Tray

8 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

c. Grasp each side of the chassis and pull it toward you, and remove it from the

cabinet (see

FIGURE 6).

FIGURE 6 Removing the Failed Chassis From the Cabinet

d. Package the failed chassis and return it to Sun, if instructed to do so, or

properly dispose of it.

Replacing a J4400 Array Chassis 9

Installing the New Chassis

Caution – Follow all “ESD Precautions” on page 2 and use care when handling all

components.

1. From the front of the cabinet, slide the new chassis into the cabinet until the

front flanges of the chassis touch the vertical face of the cabinet (see

FIGURE 7).

FIGURE 7 Installing the New Chassis in the Cabinet

2. Tighten the captive screws on each side of the tray front to secure the chassis to

the cabinet.

10 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

3. At the back of the cabinet, slide a system locking clip onto each lower corner of

the chassis (see

FIGURE 8). You can use a Phillips head screwdriver for leverage

to help you push in the clip.

FIGURE 8 Installing the System Locking Clips

Locking Clip Installed

Locking Clip

Mounting Rail

J4400 Tray

Replacing a J4400 Array Chassis 11

Installing CRUs Into a New Chassis

1. From the front of the cabinet, install each disk drive and disk filler assembly

into (see

FIGURE 9). For each disk drive and disk filler assembly:

Caution – Possible loss of configuration information or data - Reinstall each drive

into the identical slot location from which it was removed in the failed chassis, as

defined by the notation written on the drive outer case when each drive was

removed.

a. Unlatch and swing the extraction lever to its fully open position.

b. Align the disk component with the open slot and slide the drive into the tray

until the extraction lever engages with the tray connectors and the lever

begins to swing closed.

c. Press the extraction lever closed until it snaps in place on the disk front

panel to seat the drive into the tray.

FIGURE 9 Installing the Disk Drives and Filler Assemblies in New Chassis

12 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

2. From the back of the cabinet, install the two SIM boards in the SIM slots (see

FIGURE 10).

Caution – Possible incorrect configuration or driver information - Reinstall the

SIM boards into the identical slot locations from which they were removed in the

failed chassis.

For each SIM board:

a. Swing both extraction levers to the fully open position.

b. Align the SIM board with the open slot and slide it into the tray until it

engages with the tray connectors and the extraction levers begin to swing

closed.

c. Simultaneously push both extraction levers toward the middle of the board

to seat it in the tray.

d. Tighten the extraction lever captive screws to secure the board.

FIGURE 10 Installing a SIM Board

Replacing a J4400 Array Chassis 13

3. Install the two power supplies into the chassis slots (see FIGURE 11).

For each power supply:

a. Swing both extraction levers to the fully open position.

b. Align the power supply with the open slot and slide it into the tray until it

engages with the tray connectors and the extraction levers begin to swing

closed.

c. Simultaneously push both extraction levers toward the middle of the power

supply to seat it in the tray.

d. Tighten the extraction lever captive screws to secure the power supplies.

FIGURE 11 Installing a Power Supply

14 Sun Storage J4400 Array Chassis Replacement Guide • April 2008

Completing the Chassis Installation

Caution – Possible incorrect configuration or loss of data - Reconnect all mini-SAS

cables to their original locations on each SIM board in the new chassis.

1. From the back of the cabinet (see

FIGURE 12), reconnect the country-specific

power cables into each of the power supply connectors.

2. Replace the power cord tie strap on each power cord.

3. Turn on power to both power supplies.

FIGURE 12 Reconnecting the Mini-SAS and Power Cables

Connection Between

Tray 0 and Tray 1

Power Cord

Connection from Host

or SIM Link IN to

Management Host

Replacing a J4400 Array Chassis 15

4. Check the status of the tray.

After the power-on sequence is complete, confirm the following:

■ The green OK/Power LEDs on each drive in the tray are steady on.

If all tray and drive OK/Power LEDs are steady green and the amber Service

Required LEDs are off, the power-on sequence is complete and no faults have

been detected.

■ The amber LED is blinking for any module.

Reseat the module to make sure that it is properly installed. If the LED is now

green, the module is functioning properly. If the module remains blinking amber,

contact Sun Customer Service Personnel.

■ The alarm shuts off after connecting the second power cord.

If an alarm sounds after plugging in the first power cord, the alarm will shut off

once the second power cord is connected.

Sun Microsystems Sun Storage J4400 Replacement Manual

Marque: Sun Microsystems

Modèle: Sun Storage J4400

Taper: Replacement Manual

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