IBM TotalStorage DS4500 Manuel utilisateur

IBM TotalStorage DS4500

Fibre Channel Storage

Subsystem Cabling Guide 򔻐򗗠򙳰

Installation overview

Table 1summarizes the steps required to correctly install, cable, and power on your IBM®TotalStorage®

DS4500 Storage Subsystem. Unless otherwise stated, all the following tasks are detailed in the sections

referenced in the IBM TotalStorage DS4500 Installation, User’s, and Maintenance Guide.Review the

multilingual IBM Safety Information document and read all safety information in the DS4500 Installation,

User’s, and Maintenance Guide before you begin the installation.

Attention: Before powering on the DS4500 Storage Subsystem, each attached storage expansion

enclosure must be populated with at least two drives. If at least two drives are not installed in each

attached storage expansion enclosure, when you power on the DS4500 and its attached storage expansion

enclosure(s), your standard storage partition key might be lost and must be regenerated using

instructions on the IBM DS4000™Solutions and Premium Features Web site:

https://www-912.ibm.com/PremiumFeatures/

In addition, the resulting insufficient load to the enclosure power supplies might cause them to

intermittently appear as failed, falsely indicating the power supplies are bad. All drives in the connected

storage expansion enclosure(s) must contain no prior configuration data.

Table 1. Installation Tasks

Task Detailed Description

1Review the DS4500 installation recommendations and requirements. Chapter 2, ″Handling static-sensitive

devices″

″Preparing for installation″

2Fold down and open the sides of the shipping box. Without removing

the DS4500 from box, you can remove the DS4500 rack mounting rails

and hardware from the box. Install the support rails in the rack

cabinet.

Chapter 2, ″Installing the support

rails″

3Before removing the DS4500 from the shipping box, remove the

components to lighten the unit.

Chapter 2, ″Removing the CRUs″

4Record the serial number, machine type, model number, and RAID

controller MAC addresses for your DS4500.

Appendix A, ″Records,″

5Install and secure the DS4500 chassis in the rack cabinet. Chapter 2, ″Installing the DS4500 into

arack on the support rails″

6Replace the components in the installed DS4500 chassis. Chapter 2, ″Replacing the

components″

7Install in the rack cabinet the DS4000 storage expansion enclosures

that you plan to cable to the DS4500.

Installation, User’s, and Maintenance

Guide for your DS4000 storage

expansion enclosure

8If there is any storage expansion enclosure to be attached to the

DS4500, use SFP modules and FC cables to cable the DS4500 to the

DS4000 storage expansion enclosure.

Chapter 3, ″Connecting storage

expansion enclosures to the DS4500″

Table 1. Installation Tasks (continued)

Task Detailed Description

9After you cable the DS4000 storage expansion enclosures, if there are

EXP710 storage expansion enclosures in the DS4500 configuration, set

their enclosure IDs. If there are EXP810 storage expansion enclosures

in the DS4500 configuration, you do not need to set their enclosure

IDs because they are set automatically by the controller.

Chapter 3, ″Storage expansion

enclosure settings″

10 For out-of-band management: Cable the DS4500 Ethernet ports to

either the management workstation or to the hosts.

Chapter 3, ″Connecting secondary

interface cables″

For in-band management: Cable the DS4500 host channels to the FC

HBAs in either the hosts or the FC switch that connects to the host

FC HBAs.

Chapter 3, ″Connecting hosts to the

DS4500″

11 Connect the power cables for the DS4500 and the storage expansion

enclosures if needed.

Chapter 3, ″Cabling the power

supply″

12 Power on the attached storage expansion enclosures and the DS4500

storage subsystem.

Chapter 4, ″Turning on the storage

subsystem″

13 Review the controller firmware and NVSRAM, drive enclosure

firmware, ESM firmware, and Storage Manager software requirements

and obtain upgrades if necessary.

Chapter 1, ″DS4500 hardware and

software compatibility″

14 Install the DS4000 Storage Manager 9.16 host software on the

management workstation (for out-of-band management) or on the

host (for in-band management). Use the DS4000 Storage Manager

software to verify the configuration.

IBM DS4000 Storage Manager 9.16

Installation and Support Guide for your

operating system

15 Review and perform the DS4000 Health Check process. Chapter 4, ″Performing the DS4000

Health Check process″

Installing an SFP module and fibre channel cable

Statement 3:

DANGER: Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the

following: Laser radiation when open. Do not stare into the beam, do not view directly with optical

instruments, and avoid direct exposure to the beam.

All host and drive cabling connections require you to use Small Form-Factor Pluggable (SFP) modules in

the DS4500 host and drive channels used by the cabling connections. The SFP module housing and fibre

channel cable have integrated guide keys that prevent you from inserting these devices incorrectly. You

must insert SFP modules into ports with minimal pressure so that you do not damage either the SFP

module or the port. You can insert an SFP module into an active port without affecting the operational

loop performance. You must connect the fibre channel cable to the SFP module after you insert the SFP

module into the port.

Attention: Remove SFP modules from any unused mini hub ports (both host-side and drive-side) on the

DS4500 Storage Subsystem.

To avoid damage to your fibre-optic cables:

vDo not route the cable along afolding cable-management arm.

vRoute the cable away from places where it can be damaged by other devices in the rack cabinet.

vFor devices on slide rails, leave enough slack in the cable so that it does not bend to adiameter of less

than 76 mm (3 in.) or aradius less than 38 mm (1.5 in.) when extended or become pinched when

retracted.

vDo not use plastic cable ties in place of the provided cable straps.

vDo not put excess weight on the cable at the connection point. Be sure that the cable is well supported.

1. Remove the protective caps from the SFP module and from the fibre channel cable. Do not touch the

exposed fibre-optic cable.

Protective

cap

Plastic

tab

SFP

module

Fibre Channel

cable

Protective

caps

Protective

cap

SFP

module

Wire

tab

2. Insert the SFP module into an SFP module port on an IBM DS4500 mini hub.

3. Connect the fibre channel cable to the SFP module.

Figure 1. SFP modules and fibre channel cables

To remove an SFP module and fibre channel cable:

1. Remove the fibre-optic cable from the SFP module; then, replace the protective caps on the cable

connector.

Attention: Do not grasp the plastic tab that is part of the SFP module while disconnecting the

fibre-optic cable. Pulling the SFP module plastic tab while disconnecting the fibre-optic cable might

damage the SFP module.

2. For SFPs with plastic tabs, pull the SFP module plastic tab outward at a10° angle while you remove

the SFP module. The plastic tab releases the SFP module latch.

3. For SFPs with wire tabs, pull the SFP module wire tab outward at a90° angle and remove the SFP

module. The wire tab releases the SFP module latch.

4. Replace the protective cap on the SFP module.

Direct-attached host-side fibre channel cabling

Attention: Install the DS4500 Storage Subsystem and all storage expansion enclosures in the rack cabinet

before cabling the configuration.

OUT IN

2Gb/s1Gb/s

OUTIN

2Gb/s1Gb/s

OUT IN

2Gb/s1Gb/s

OUTIN

2Gb/s1Gb/s

OUT IN

2Gb/s1Gb/s

OUTIN

2Gb/s1Gb/s

OUTIN

2Gb/s1Gb/s

OUTIN

2Gb/s1Gb/s

Host mini hubs

Controller A

Drive mini hubs

Mini hub

Out ports

Mini hub

In ports

Controller B

34 1

1. Connect ahost adapter to the Host 1(top) port on host-side mini hub 1. For redundancy, connect a

second host adapter to the Host 1(top) port on the host-side mini hub 2.

Note: To connect devices to each other, follow the procedure on the other side of this document for

installing SFP modules and fibre channel cables.

2. For asecond redundant host, connect two host adapters to the Host 2(bottom) ports on host-side

mini hubs 1and 2.

3. For athird redundant host, connect two host adapters to the Host 3(bottom) ports on host-side mini

hubs 3and 4.

4. For afourth redundant host, connect two host adapters to the Host 4(top) ports on host-side mini

hubs 3and 4.

Figure 2. DS4500 Storage Subsystem ports and controllers

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

OUT IN

2 Gb/s1 Gb/s

Host 1, Host Adapter 1 and 2 Host 4, Host Adapter 1 and 2

Host 2, Host Adapter 1 and 2 Host 3, Host Adapter 1 and 2

Host 1 Host 4

Host 2 Host 3

For additional information about host-side cabling, refer to the IBM TotalStorage DS4500 Fibre Channel

Storage Subsystem Installation, User's, and Maintenance Guide.

Drive-side fibre-channel cabling

The DS4500 Storage Subsystem supports up to two redundant drive loops. Aredundant drive loop

consists of one or more storage expansion enclosures connected to acontroller using two sets of fibre

channel cables. If one data path fails, the controller uses the other data path to maintain the connection to

the drive group.

Figure 3. DS4500 Storage Subsystem host adapter connections (direct-attached)

Drive interface ports

DS4500 Storage Subsystems use only redundant drive-loop configurations. Each drive mini hub connects

to Controller Aand Controller Band represents asingle drive loop. The drive loops must be set up in

pairs to support redundant drive loop configurations (two data paths per storage expansion enclosure).

See Figure 4for an illustration of the drive-side mini-hub interface ports.

The maximum number of storage expansion enclosures that can be connected per pair of redundant drive

loops depends on the IBM DS4000 storage expansion enclosure models used. The following DS4000

storage expansion enclosure types are supported by the DS4500 Storage Subsystem:

vFAStT EXP500

vDS4000 EXP700

vDS4000 EXP710

vDS4000 EXP100

vDS4000 EXP810

If the drives are configured using only DS4000 EXP700, EXP710, EXP810, or EXP100 storage expansion

enclosures, the DS4500 Storage Subsystem supports amaximum of 224 hard drives.

If the drives are configured using only FAStT EXP500 storage expansion enclosures, the DS4500 Storage

Subsystem supports amaximum of 220 hard drives.

Important:Ensure that the single digit (x1) of the enclosure ID for every enclosure in aredundant drive

loop pair is unique. Refer to the IBM TotalStorage DS4500 Installation, User's, and Maintenance Guide for

more information on the storage expansion enclosure IDs settings.

To cable two DS4000 10- or 14- drive storage expansion enclosures (EXP500, EXP700, EXP710, or EXP100)

to the DS4500, see “Connecting to EXP500/EXP100/EXP700/EXP710 storage expansion enclosures” on

page 7. To cable two DS4000 16-drive storage expansion enclosures (EXP810) to the DS4500, see

“Connecting to EXP810 storage expansion enclosures” on page 8.

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

OUT

2Gb/s

1Gb/s

Drive

mini-hub

ports

Drive loop C and D for

redundant drive loop pair 2

Drive loop A and B for

redundant drive loop pair 1

Use one port on each

mini hub to connect

a drive loop cable

Leave one port unoccupied

for future upgrades

GS000043

Figure 4. Drive mini-hub ports

Attention: If you need more information about storage expansion enclosure cabling, including how to

cable different storage expansion enclosures types and the latest updates, please see the IBM TotalStorage

DS4500 Installation, User’s and Maintenance Guide and the IBM TotalStorage DS4000 Hard Drive and Storage

Expansion Enclosure Installation and Migration Guide.In addition, you must purchase the FC/SATA

Enclosure Intermix premium option to combine DS4000 EXP100s or DS4000 EXP810s with SATA

enhanced disk drive modules (E-DDMs) with DS4000 EXP700s, DS4000 EXP710s, or DS4000 EXP810s with

fibre channel drives in the same DS4500 Storage Subsystem configuration.

Connecting to EXP500/EXP100/EXP700/EXP710 storage expansion

enclosures

1. If you are cabling two EXP500/EXP100/EXP700/EXP710 storage expansion enclosures to the DS4500,

use afibre channel cable to connect the In port on the left ESM board of the first enclosure to the Out

port on the left ESM board of the second enclosure. Connect the In port on the right ESM board of the

first enclosure to the Out port on the right ESM board of the second enclosure.

If you want to connect additional storage expansion enclosures into drive loops Aand B, then by

starting with the second storage expansion enclosure, connect each additional storage expansion

enclosure into drive loops Aand Bin the same manner. Leave the In port on the right ESM board on

the last storage expansion enclosure in the loop unoccupied.

2. Ensure that each storage expansion enclosure has aunique enclosure ID (switch setting).

3. From the second (or last) enclosure, connect the In port on the left ESM board to the Out (upper) port

on drive-side mini hub 4on the DS4500.

Leave the Out port on the left ESM board on the first enclosure and the In (lower) port on the

drive-side mini hub 4unoccupied.

4. From the first enclosure, connect the Out port on the right ESM board to the In (lower) port on

drive-side mini hub 2on the DS4500.

Leave the In port on the right ESM board on the second (or last) enclosure and the Out (upper) port

on the drive-side mini hub 2unoccupied.

Connecting to EXP810 storage expansion enclosures

1. Make sure that each EXP810 storage expansion enclosure has the enclosure speed set to 2Gbps fibre

channel speed.

2. If you are cabling two EXP810 storage expansion enclosures to the DS4500, use afibre channel cable

to connect port 1B on the ESM Aboard of the first enclosure to port 1A on the ESM Aboard of the

second enclosure. Connect port 1A on the ESM Bboard of the first enclosure to port 1B on the ESM B

board of the second enclosure.

If you want to connect additional storage expansion enclosures into drive loops Aand B, then by

starting with the second storage expansion enclosure, connect each additional storage expansion

enclosure into drive loops Aand Bin the same manner. Leave port 1A on the ESM Bboard on the last

storage expansion enclosure in the loop unoccupied.

3. From the second (or last) enclosure, connect port 1B on the ESM Aboard to the Out (upper) port on

drive-side mini hub 4on the DS4500.

First storage

expansion enclosure

Third storage

expansion enclosure

RightESMLeftESM

Ou t Ou t

d3nu4043d

RightESMLeftESM

Ou t Ou t

Second storage

expansion enclosure

RightESMLeftESM

EXP500/100/7x0

Ou t Ou t

RightESMLeftESM

Ou t Ou t

Fourth (last) storage

expansion enclosure

EXP500/100/7x0

Loop A Loop B

Drive-side

mini hub 4

Figure 5. EXP100/700/710 storage enclosure

Leave port 1A on the ESM Aboard on the first enclosure and the In (lower) port on the drive-side

mini hub 4unoccupied.

4. From the first enclosure, connect port 1B on the ESM Bboard to the In (lower) port on drive-side mini

hub 2on the DS4500.

Leave port 1A on the ESM Bboard on the second (or last) enclosure and the Out (upper) port on the

drive-side mini hub 2unoccupied.

The EXP810 enclosure IDs will automatically set to give each enclosure in the drive loop aunique

enclosure ID.

EXP810

ESM B

ESM A

EXP810

ESM B

ESM A

EXP810

ESM B

ESM A

EXP810

ESM B

ESM A

Port 1B

Port 1A

Port 1B

Port 1A

Port 1B

Port 1A

Port 1B

ds4500_810

Loop B

Loop A

First storage

expansion enclosure

Second storage

expansion enclosure

Third storage

expansion enclosure

Fourth storage

expansion enclosure

Port 1A

Port 1B

Port 1A

Port 1B

Drive-side

mini hub 4

Drive-side

mini hub 2

Figure 6. EXP 810 storage expansion enclosure

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