Sun Microsystems Sun Storage J4200 Parts list manual

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Sun Storage J4200 Array Chassis
Replacement Guide
Part No. 820-4413-11
April 2008, Revision A

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Contents i
Contents
Replacing a J4200 Array Chassis 1
Prerequisites 1
Verifying a Chassis Failure 2
ESD Precautions 2
Removing a Chassis 3
Installing the New Chassis 11
Installing CRUs Into a New Chassis 13
Completing the Chassis Installation 17
Related Documentation 18
Service Contact Information 19

ii Sun Storage J4200 Array Chassis Replacement Guide • April 2008

1
Replacing a J4200 Array Chassis
This document describes replacement procedures for the Sun Storage J4200 array
chassis.
Caution – Only trained service personnel should remove the covers on this
equipment.
Caution – 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.
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.

2Sun Storage J4200 Array Chassis Replacement Guide • April 2008
Verifying a Chassis Failure
To determine that a chassis has failed, check the following:
■The array System Power/Status LED (tray front) is amber.
■The audible alarm is sounding.
■All of the component fault LEDs are green.
■Disk drive ID/Status LEDs (tray front) are green
■SIM Power LED (tray back) is green
■Power supply module LEDs (tray back) are green
■Fan module LEDs (tray 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 CRU only by its edges 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.

Replacing a J4200 Array Chassis 3
Removing a Chassis
Caution – You must remove power from the chassis that needs to be replaced
before starting this procedure. All interconnection trays will be disrupted during this
procedure. Powering off one tray causes loss of access to other trays in the array.
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 2).
2. Disconnect the power cord from each power supply:
a. Pull the power cord latch up and over the power cord.
b. Disconnect the power cable from the power supply connector.
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. 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.
Note – Do not twist the tab or pull it in any direction other than parallel with the
connector body. If the tab were to break, a small sharp object (such as a fine-tipped
screwdriver) would be required to lift the metal spring at the top of the connector
shell to unlatch it.

4Sun Storage J4200 Array Chassis Replacement Guide • April 2008
FIGURE 1 Removing the Power Cables and Mini-SAS Cables
Power Cord
Connection Between
Tray 0 and Tray 1
Connection from Host
or SIM Link IN to
Management Host
Power Cord

Replacing a J4200 Array Chassis 5
5. Remove the two system locking clips from the lower corners of the chassis
(FIGURE 2). You can use a Phillips head screwdriver for leverage to help you
pull out each clip.
FIGURE 2 Removing the System Locking Clips
Mounting Rail
Locking Clip
Locking Clip Installed
J4200 Tray

6Sun Storage J4200 Array Chassis Replacement Guide • April 2008
6. Remove each power supply from the chassis (FIGURE 3).
Caution – 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. Pull the power supply handle out and lift it up to disconnect the power
supply from the tray.
b. Pull the power supply out of the tray.
c. Place the power supply aside.
FIGURE 3 Removing a Power Supply

Replacing a J4200 Array Chassis 7
7. Remove each fan module from the chassis (FIGURE 4).
a. Loosen the captive screw on the fan module.
b. Pull the fan module handle toward you and pull the module out of the tray.
c. Place the fan module aside.
FIGURE 4 Removing a Fan Module

8Sun Storage J4200 Array Chassis Replacement Guide • April 2008
8. Remove each SIM board from the chassis (FIGURE 5).
a. Loosen the two captive screws on the SIM board.
b. Pull both ejector levers outward and pull the SIM board from chassis.
c. Place the SIM board aside.
FIGURE 5 Removing a SIM Board From the Chassis

Replacing a J4200 Array Chassis 9
9. From the front of the cabinet, remove each disk drive and disk filler assembly
(FIGURE 6).
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.
a. Press the release button in and to the right to release the disk handle.
b. Pull the disk handle to eject 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.
d. Record the slot location on the outer drive casing. Use the same slot
location when installing each disk drive in the new chassis.
FIGURE 6 Removing a Disk Drive or Disk Filler Assembly

10 Sun Storage J4200 Array Chassis Replacement Guide • April 2008
10. After you have removed all of the components from the chassis, remove the
chassis from the cabinet (FIGURE 7).
Caution – The empty weight of a chassis is 9kg (20 lbs). You might need two people
to remove the chassis from the cabinet.
a. From the front of the cabinet, loosen the two captive screws on each side of
the tray.
b. Grasp each side of the chassis and pull it toward you, and remove it from
the cabinet.
FIGURE 7 Removing the Failed Chassis From the Cabinet
c. Package the failed chassis and return it to Sun, if instructed to do so, or
properly dispose of the failed chassis.

Replacing a J4200 Array Chassis 11
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, lift and slide the new chassis into the cabinet
until the front flanges of the chassis touch the vertical face of the cabinet
(FIGURE 8).
FIGURE 8 Installing the New Chassis in the Cabinet
2. Tighten the captive screw on each side of the tray front to secure the chassis to
the cabinet.

12 Sun Storage J4200 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 (FIGURE 9). You can use a Phillips head screwdriver for leverage
to help you push in the clip.
FIGURE 9 Installing the System Locking Clips
Mounting Rail
Locking Clip
Locking Clip Installed
J4200 Tray

Replacing a J4200 Array Chassis 13
Installing CRUs Into a New Chassis
1. From the front of the cabinet, install each disk drive and disk filler assembly
into the same slot each component occupied in the failed chassis (FIGURE 10).
For each disk drive and disk filler assembly:
a. Align the disk component with the open slot and slide the drive into the
tray.
b. Push the disk drive into the tray until the disk handle engages with the
tray.
c. Press and close the disk handle to seat the drive into the tray.
FIGURE 10 Installing the Disk Drives and Filler Assemblies in New Chassis

14 Sun Storage J4200 Array Chassis Replacement Guide • April 2008
2. From the back of the cabinet, install the two SIM boards in the SIM slots
(FIGURE 11).
For each SIM board:
a. Align the SIM board with the open slot and slide it into the tray.
b. Push the assembly into the tray until it engages with the tray connectors.
c. Simultaneously push each ejector lever toward the middle of the board to
seat it in the tray.
d. Tighten each captive screw to secure the board.
FIGURE 11 Installing a SIM Board

Replacing a J4200 Array Chassis 15
3. Install the two fan modules in the chassis slots (FIGURE 12).
For each fan module:
a. Align the fan module with the open slot and push in to seat the module in
the tray.
b. Tighten the captive screw to secure the fan module to the tray.
FIGURE 12 Installing a Fan Module

16 Sun Storage J4200 Array Chassis Replacement Guide • April 2008
4. Install the two power supplies into the chassis slots (FIGURE 13).
For each power supply:
a. Holding up the handle, align the power supply with its open slot.
b. Slide the power supply into the tray and carefully push the power supply
to seat it in the chassis.
c. Push the handle down to lock the power supply in the chassis.
The latch tab locks the handle in place.
FIGURE 13 Installing a Power Supply