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Chapter

 

1.

 

Introduction

 

This

 

chapter

 

describes

 

the

 

operating

 

specifications,

 

features,

 

and

 

components

 

for

 

the

 

IBM

 

System

 

Storage

®

 

DS4800

 

(Machine

 

Type

 

1815)

 

Storage

 

Subsystem

 

(hereafter

 

referred

 

to

 

as

 

DS4800

 

or

 

storage

 

subsystem

).

 

This

 

chapter

 

also

 

includes

 

an

 

inventory

 

checklist

 

and

 

important

 

information

 

on

 

best

 

practices

 

guidelines

 

and

 

product

 

updates

 

for

 

your

 

DS4800.

 

Overview

 

IBM

 

DS4000

 

solutions

 

support

 

the

 

large

 

and

 

growing

 

data

 

storage

 

requirements

 

of

 

business-critical

 

applications.

 

These

 

scalable

 

IBM

 

DS4000

 

solutions

 

offer

 

you

 

data

 

access

 

and

 

protection

 

to

 

meet

 

your

 

existing

 

enterprise

 

storage

 

requirements

 

and

 

prepare

 

for

 

the

 

future.

 

The

 

IBM

 

System

 

Storage

 

DS4800

 

storage

 

system

 

is

 

designed

 

to

 

provide

 

solutions

 

to

 

meet

 

the

 

needs

 

of

 

midrange/departmental

 

storage

 

requirements,

 

delivering

 

high

 

performance,

 

advanced

 

function,

 

high

 

availability,

 

modular

 

and

 

scalable

 

storage

 

capacity,

 

with

 

SAN-attached

 

4-Gbps

 

Fibre

 

Channel

 

(FC)

 

connectivity,

 

and

 

support

 

for

 

RAID

 

levels

 

0,

 

1,

 

3,

 

and

 

5

 

up

 

to

 

over

 

89

 

terabytes

 

(TB).

 

Note:

  

The

 

stated

 

maximum

 

capacity

 

was

 

calculated

 

using

 

224

 

drives

 

of

 

the

 

currently

 

available

 

400G

 

SATA

 

hard

 

drives.

 

The

 

DS4800

 

is

 

designed

 

to

 

deliver

 

up

 

to

 

a

 

twofold

 

IOP

 

performance

 

increase

 

over

 

the

 

current

 

DS4500

 

offering

 

and

 

represents

 

the

 

sixth-generation

 

architecture

 

of

 

the

 

DS4000

 

series

 

family.

 

A

 

4-U

 

rack-mountable

 

enclosure

 

houses

 

the

 

DS4800

 

redundant,

 

dual-active

 

intelligent

 

RAID

 

controllers

 

equipped

 

with

 

sixteen

 

4-Gbps

 

fibre

 

channel

 

ports

 

(eight

 

ports

 

per

 

controller),

 

for

 

attachment

 

of

 

host

 

servers

 

and

 

DS4000

 

storage

 

expansion

 

enclosures.

 

The

 

DS4800

 

supports

 

attachment

 

of

 

up

 

to

 

16

 

DS4000

 

EXP100

 

or

 

EXP710

 

storage

 

expansion

 

enclosures,

 

or

 

up

 

to

 

14

 

DS4000

 

EXP810

 

storage

 

expansion

 

enclosures,

 

resulting

 

in

 

the

 

capability

 

to

 

connect

 

to

 

up

 

to

 

224

 

disk

 

drives

 

and

 

enabling

 

storage

 

configurations

 

of

 

over

 

89

 

TB.

 

DS4800

 

models

 

82A/H,

 

84A/H

 

and

 

88A/H

 

support

 

the

 

attachment

 

of

 

up

 

to

 

224

 

drives

 

as

 

standard.

 

The

 

DS4800

 

model

 

80A/H

 

supports

 

only

 

the

 

attachment

 

of

 

up

 

to

 

112

 

drives

 

as

 

standard.

 

An

 

entitlement

 

must

 

be

 

purchased

 

to

 

connect

 

up

 

to

 

224

 

drives

 

behind

 

a

 

DS4800

 

model

 

80A/H.

 

The

 

DS4800

 

supports

 

configurations

 

of

 

FC

 

or

 

Serial

 

Advanced

 

Technology

 

Attachment

 

(SATA)

 

disks,

 

or

 

a

 

mix

 

of

 

both

 

types

 

of

 

disk

 

drives

 

by

 

use

 

of

 

the

 

optional

 

DS4800

 

Fibre

 

Channel/SATA

 

Enclosure

 

Intermix

 

feature.

 

Advanced

 

DS4000

 

storage

 

management,

 

copy

 

service

 

options,

 

and

 

optional

 

advanced

 

disaster

 

recovery

 

functions

 

are

 

available

 

for

 

the

 

DS4800,

 

including

 

FlashCopy

®

,

 

VolumeCopy,

 

and

 

Enhanced

 

Remote

 

Mirroring.

 

The

 

DS4000

 

Storage

 

Manager

 

client

 

is

 

also

 

available

 

for

 

the

 

DS4800.

 

This

 

storage

 

management

 

software

 

is

 

designed

 

to

 

help

 

centralize

 

storage

 

management,

 

help

 

simplify

 

partitioning

 

of

 

the

 

DS4000

 

series

 

storage

 

into

 

as

 

many

 

as

 

64

 

virtual

 

servers,

 

and

 

strategically

 

allocate

 

storage

 

capacity

 

to

 

maximize

 

storage

 

space.

 

The

 

DS4800

 

RAID

 

controller

 

cache

 

size

 

varies

 

depending

 

the

 

DS4800

 

model.

 

Currently,

 

the

 

cache

 

size

 

is

 

either

 

2

 

GB,

 

4

 

GB

 

or

 

8

 

GB.

 

Depending

 

on

 

the

 

model,

 

 

©

 

Copyright

 

IBM

 

Corp.

 

2006

 

1

Содержание TotalStorage DS4800

Страница 1: ...IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide GC26 7845 00...

Страница 2: ......

Страница 3: ...IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide GC26 7845 00...

Страница 4: ...ead the general information in Notices on page 189 First Edition May 2006 Copyright International Business Machines Corporation 2006 All rights reserved US Government Users Restricted Rights Use dupli...

Страница 5: ...re step or situation v Caution These statements indicate situations that can be potentially hazardous to you A caution statement is placed just before the description of a potentially hazardous proced...

Страница 6: ...water or structural damage v Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and c...

Страница 7: ...ining a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not v Throw...

Страница 8: ...f controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure DANGER Some laser products contain an embedded Class 3A or Class 3...

Страница 9: ...ower control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove a...

Страница 10: ...these components If you suspect a problem with one of these parts contact a service technician Statement 7 DANGER Handling the cord on this product or cords associated with accessories sold with this...

Страница 11: ...ctions 11 Controller memory 14 Power supply fans 15 Interconnect battery unit 16 SFP Modules 18 Specifications 19 Area requirements 19 Dimensions 19 Weight 19 Shipping dimensions 20 Environmental requ...

Страница 12: ...EXP810 and eight EXP710 storage expansion enclosures 75 Cabling the storage expansion enclosures to a DS4800 storage subsystem 76 Storage expansion enclosure settings 77 Fibre channel loop and ID set...

Страница 13: ...42 Replacing a power supply fan 144 Replacing the interconnect battery unit 148 Replacing a backup battery pack 152 Replacing an SFP module 155 Installing SFPs and fiber optic cables 158 Chapter 6 Har...

Страница 14: ...compliance statement 192 Industry Canada Class A emission compliance statement 193 Australia and New Zealand Class A statement 193 European Union EMC Directive conformance statement 193 Taiwanese Clas...

Страница 15: ...r optic cables 52 30 Connecting fiber optic cable to SFP 52 31 LC LC fibre channel cable 53 32 Removing fiber optic cable protective caps 54 33 Inserting an LC LC fibre channel cable into an SFP modul...

Страница 16: ...ntion LEDs 125 77 RAID controller connections 126 78 Removing the controller from the storage subsystem 127 79 Circuit breaker access holes 127 80 Cache Active LEDs 130 81 Battery LEDs 131 82 Componen...

Страница 17: ...scheme 78 17 Firmware requirements 106 18 Front bezel LEDs 111 19 RAID controller LEDs 113 20 Host and drive channel LED definitions 116 21 Numeric display diagnostic codes 118 22 Power supply fan LED...

Страница 18: ...xvi IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 19: ...ct Name Current DS4000 Product Name IBM TotalStorage FAStT Storage Server IBM TotalStorage DS4000 FAStT DS4000 FAStT Family DS4000 Mid range Disk System FAStT Storage Manager vX Y for example v9 10 DS...

Страница 20: ...parts listing for the DS4800 Storage Subsystem Appendix A Additional DS4000 documentation on page 169 provides references to other DS4000 publications Appendix B Records on page 179 provides a table...

Страница 21: ...ons that can be potentially hazardous to you A caution statement is placed just before the description of a potentially hazardous procedure step or situation v Danger These statements indicate situati...

Страница 22: ...xx IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 23: ...t RAID controllers equipped with sixteen 4 Gbps fibre channel ports eight ports per controller for attachment of host servers and DS4000 storage expansion enclosures The DS4800 supports attachment of...

Страница 24: ...r from the DS4800 to DS4000 storage expansion enclosure ports is a 4 Gbps fibre channel connection that supports a data transfer rate up to 400 MBps at half duplex and 800 MBps at full duplex SATA def...

Страница 25: ...XP710 and 2 Gbps 4 Gbps EXP810 storage expansion enclosures Note DS4000 EXP700s are not supported by the DS4800 unless they have been upgraded with the DS4000 EXP700 Models 1RU 1RX Switched ESM Option...

Страница 26: ...appropriate IBM DS4000 Storage Manager host software The CD also contains includes firmware online help and publications in Adobe Acrobat Portable Document Format PDF For a list of available IBM DS400...

Страница 27: ...tial installation and when product updates become available To be notified of important product updates you must first register at the IBM Support and Download Web site www 1 ibm com servers storage s...

Страница 28: ...will have power in the event that only one power circuit is available In addition having all the right or all the left power cables plug into the same power circuit enables the DS4000 devices in the...

Страница 29: ...es the I O activity between a host and the drives in a RAID array The storage subsystem has eight single ported host channels 4 per controller and can support up to 256 hosts with two FC connections t...

Страница 30: ...the DS4800 All DS4800 models support hot swap RAID controllers power supply fans cache protected batteries and interconnect battery units so you can remove and replace these components without turnin...

Страница 31: ...m models 82A H 84A H and 88A H support the following DS4000 storage expansion enclosures v EXP100 v EXP710 v EXP810 The DS4800 storage subsystem models 80A H support only the following DS4000 storage...

Страница 32: ...age expansion enclosures in the intermixed drive channel must be set to 2 Gbps There are maximum limits to the number of fibre channel hard drives that you can configure in redundant drive channel pai...

Страница 33: ...s Information about the condition of the controllers is conveyed by indicator LEDs on the back of each controller RAID controller LEDs on page 113 identifies the indicator LEDs on the RAID controller...

Страница 34: ...pes SeeTable 3 on page 9 for more information The drive channel port speeds are auto negotiated between 2 Gbps and 4 Gbps fibre channel speeds Both ports of a dual ported drive channel must be connect...

Страница 35: ...or the fibre channel switch to determine the fastest compatible speed between the controllers and the host or switch The fastest compatible speed becomes the operating speed of the link If the host or...

Страница 36: ...addresses for the controller B Ethernet ports 1 and 2 are 192 168 128 102 and 192 168 129 102 respectively The default subnet mask for all four Ethernet ports is 255 255 255 0 RS 232 serial port The...

Страница 37: ...nclosures with 16 drives each See Table 3 on page 9 Maximum number of drives supported by one DS4800 224 drives 2 redundant drive channel pairs with 112 drives in each drive channel pair Data transfer...

Страница 38: ...Note The order of the LEDs on the power supply fan is different depending on whether the power supply fan is installed in the left or right bay In the DS4800 Storage Subsystem the right power supply f...

Страница 39: ...s of data access Figure 7 shows how the interconnect battery unit slides into the front of the storage subsystem The levers securing the interconnect battery units to the storage subsystem are shown i...

Страница 40: ...all DS4800 Configuration Needs Attention v Locate Identify Note The displayed order of the Overall DS4800 Configuration Needs Attention and Locate Identify LEDs on the interconnect battery unit are re...

Страница 41: ...pment sufficient space to install operate and service the storage subsystem and sufficient ventilation to provide a free flow of air to the unit Dimensions Figure 9 shows the dimensions of the DS4800...

Страница 42: ...ton dimensions Height Width Depth 44 4 cm 17 5 in 62 2 cm 24 5 in 78 7 cm 31 0 in Environmental requirements and specifications This section describes the environmental conditions that are prerequisit...

Страница 43: ...l expose the unit to greater risk of failure from external causes Altitude Table 10 lists the acceptable altitudes for operating storing and shipping the DS4800 Storage Subsystem Table 10 DS4800 Stora...

Страница 44: ...803 7 Acoustic Noise Table 12 lists the maximum sound levels emitted by the storage subsystem Table 12 DS4800 Storage Subsystem sound levels Measurement Level Sound power normal operation 6 0 bels Sou...

Страница 45: ...264 VAC Frequency Hertz 50 to 60 Hz 50 to 60 Hz Minimum Operating Current 3 0 Aa 1 5 Ab Maximum Operating Current 3 0 Aa 1 5 Ab Maximum Surge Current 4 0 Aa 2 0 Ab a Typical voltage 120 V AC 60 Hz ass...

Страница 46: ...stribution units PDUs If you need the AC power cords to connect the DS4800 to wall receptacle outlets you must purchase the appropriate power cords for your country or region as described in Appendix...

Страница 47: ...binet The following steps summarize the DS4800 installation process Each step below is detailed in this chapter or in the next two chapters Chapter 3 Cabling the storage subsystem and Chapter 4 Operat...

Страница 48: ...www 912 ibm com PremiumFeatures All drives in the connected storage expansion enclosure or enclosures must contain no prior configuration data Additionally if at least two drives are not installed in...

Страница 49: ...ite Attention This version of controller firmware does not support the attachment of EXP100 enclosures Do not load the controller firmware version 6 16 xx xx to DS4800 controllers that have EXP100 exp...

Страница 50: ...k cabinets in alternate rows back to back and front to front This arrangement is known as cold aisle hot aisle and is shown in Figure 11 on page 29 v Where rack cabinets are in rows each rack cabinet...

Страница 51: ...the site to meet all area environmental power and site requirements For more information see Specifications on page 19 2 Move the shipping box that contains the DS4800 to the site Attention The DS480...

Страница 52: ...ibre channel and Ethernet interface cables and cable straps v SFP modules v The line cord jumper power cords that are shipped with the DS4800 v The rack mounting hardware that ships with the DS4800 v...

Страница 53: ...Route interface cables from the hosts or switches to the installation area v Route main power cords to the installation area For information on interface cables and connections see Chapter 3 Cabling...

Страница 54: ...screws when mounting the support rails and DS4800 to a rack cabinet The locations for the M5 screws are highlighted in the templates Hold the appropriate template up to each side of the rack cabinet a...

Страница 55: ...ds48020 Figure 12 DS4800 front rack mounting template Chapter 2 Installing the storage subsystem 33...

Страница 56: ...he distance between EIA rails from the front to the rear of the rack cabinet is 60 96 cm 24 in minimum and 81 28 cm 32 in maximum This rack cabinet conforms to the EIA standard Where you place the sup...

Страница 57: ...t removing the DS4800 open the two long sides of the shipping box Then open and fold flat the two short sides of the shipping box This enables you to access the mounting rails mounting hardware and li...

Страница 58: ...ates on page 181 to locate the proper rack mounting hole for installing this screw Attention Do not completely tighten the screw until you have installed the DS4800 in the rack cabinet 9 From the rear...

Страница 59: ...king levers Each lever engages a pin on the DS4800 Storage Subsystem enclosure to pull the component securely into the enclosure Figure 16 on page 38 shows the lever the latch that locks the lever int...

Страница 60: ...icular to the face of the component slide the back of the component into the appropriate slot 2 Push the component into the slot and when the component is almost fully installed ensure that the notche...

Страница 61: ...it in the rack cabinet v RAID controllers v Power supply fan units v Interconnect battery unit Statement 4 18 kg 39 7 lb 32 kg 70 5 lb 55 kg 121 2 lb CAUTION Use safe practices when lifting Attention...

Страница 62: ...ery unit levers 5 At the back of the DS4800 Storage Subsystem use an adhesive note to label each of the controllers Controller A is in the upper slot controller B is in the lower slot Figure 19 on pag...

Страница 63: ...800 Storage Subsystem in Appendix B Records on page 179 as described in step 7 Use the following procedure to install the DS4800 Storage Subsystem on support rails in a rack cabinet To mount a storage...

Страница 64: ...re used later to secure the front of the storage subsystem to the rack b Move the empty storage subsystem from the shipping box and to the front of the cabinet c With help from another person place th...

Страница 65: ...proper orientation When the component is oriented correctly a relief along one edge of each component aligns with a ledge in the enclosure Before installing the component turn the component so that t...

Страница 66: ...grees from that of controller A 4 Attach the DS4800 front bezel Install the front bezel by aligning the pins on the storage subsystem chassis with the spring steel retainers on the cover and then Leve...

Страница 67: ...ns snap into place Figure 24 shows how to install the front bezel in the storage subsystem 5 Continue with Chapter 3 Cabling the storage subsystem on page 47 ds48025 Figure 24 Removing the front bezel...

Страница 68: ...46 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 69: ...tions and two dual ported drive channel connections You use a small form factor pluggable transceiver SFP to connect each host channel port and drive channel port to hosts and storage expansion enclos...

Страница 70: ...FPs in DS4800 host or drive ports In DS4800 configurations you may use long wave SFPs only in fibre channel switches that connect DS4800s over long distances v The SFP module housing has an integral g...

Страница 71: ...specified herein might result in hazardous radiation exposure DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare...

Страница 72: ...ports in controller B SFPs should be inserted with the exposed printed circuit facing down 5 Connect a fibre channel cable Removing SFP modules To remove the SFP module from the fibre channel port pe...

Страница 73: ...port 4 Replace the protective cap on the SFP module 5 Place the SFP module into a static protective package 6 Replace the protective cap on the port Installing fiber optic cables To connect the fiber...

Страница 74: ...he protective caps Using LC LC fibre channel cables The LC LC fibre channel cable is a fiber optic cable that you use to connect DS4800 fibre channel ports to one of the following devices v An SFP mod...

Страница 75: ...on page 55 Connecting an LC LC cable to an SFP module Complete the following steps to connect an LC LC fibre channel cable to an SFP module Statement 3 CAUTION When laser products such as CD ROMs DVD...

Страница 76: ...4 Carefully insert this end of the LC LC cable into an SFP module that is installed in the DS4800 The cable connector is keyed to ensure it is inserted into the SFP module correctly Holding the conne...

Страница 77: ...nd of the LC LC cable that connects into the SFP module or host bus adapter press down and hold the lever to release the latches as shown in Figure 34 Lever Latches f10ug018 2 Carefully pull on the co...

Страница 78: ...to connect an LC SC fibre channel cable adapter to a device Statement 3 CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following v D...

Страница 79: ...s for future use 4 Carefully insert the other end of the LC LC cable into the LC connector end of the LC SC cable adapter as shown in Figure 38 Push in the connector until it clicks into place 5 If yo...

Страница 80: ...d of the cable that connects into the LC connector end of the LC SC cable adapter press down and hold the lever to release the latches Figure 39 shows the location of the lever and latches Lever Latch...

Страница 81: ...mproper drive migration might cause loss of configuration and other storage subsystem problems Contact your IBM support representative for additional information For the DS4800 each drive channel is a...

Страница 82: ...both ports 4 and 3 of channel 1 and port 1 and 2 of channel 3 are used Note In the following drive cabling figures the DS4800 graphics are simplified to show only the drive ports of each controller 60...

Страница 83: ...igure 42 on page 62 shows a second example of the drive channel cabling for redundant drive channel pairs Figure 41 Example 1 of redundant drive channel pairs Chapter 3 Cabling the storage subsystem 6...

Страница 84: ...mounting the storage expansion enclosures 2 Select a cabling topology appropriate for the number of storage expansion enclosures you will connect to the DS4800 You must connect at least one storage ex...

Страница 85: ...name of the ESM ports in the EXP100 EXP710 storage expansion enclosures a Start with the first storage expansion enclosure from the group of drive expansion enclosures that will be cabled together beh...

Страница 86: ...of the last storage expansion enclosure in the group See callout 5 in Figure 44 You have now completed the redundant fibre channel cabling of the first group of storage expansion enclosures to the DS4...

Страница 87: ...board to the 1B port on the left ESM board of the second next enclosure See callout 2 in Figure 46 on page 66 b On the first storage expansion enclosure from the group of drive expansion enclosures th...

Страница 88: ...e left ESM board of the first storage expansion enclosure in the group of drive expansion enclosures See callout 1 in Figure 46 Important Always Figure 46 Connecting EXP810 enclosures to DS4800 66 IBM...

Страница 89: ...res to the DS4800 using the second ports of the same dual ported drive channel pair and the first and second ports in the other dual ported drive channel pair replacing the DS4800 drive ports mentione...

Страница 90: ...ix of storage expansion enclosures operating at different Fibre Channel speeds in the same redundant drive channel pair f DS4800 does support a mix of EXP710 and EXP810 storage expansion enclosures in...

Страница 91: ...t any errors found and configure the new drives DS4800 Storage Subsystem drive cabling topologies The following sections provide preferred cabling topologies for cabling storage expansion enclosures t...

Страница 92: ...ts Do not use these graphics for actual cabling diagrams instead use the relevant instructions found in Connecting storage expansion enclosures to the DS4800 on page 59 One DS4800 and one storage expa...

Страница 93: ...tinuing the connection from the existing redundant drive channel pair View 1 is the recommended cabling topology View 2 is a possible cabling topology however it is not recommended 4 2 1 3 4 2 1 3 Dri...

Страница 94: ...e Subsystem to four storage expansion enclosures Figure 51 on page 73 shows the recommended cabling scheme Figure 50 View 2 One DS4800 and two storage expansion enclosures cabling Not recommended 72 I...

Страница 95: ...losure 1 DS4000 Storage Expansion Enclosure 2 DS4000 Storage Expansion Enclosure 3 DS4000 Storage Expansion Enclosure 4 4 2 1 3 4 2 1 3 Drive Channel 3 Drive Channel 4 Drive Channel 1 Drive Channel 2...

Страница 96: ...n Enclosure 3 DS4000 Storage Expansion Enclosure 4 DS4000 Storage Expansion Enclosure 8 DS4000 Storage Expansion Enclosure 7 DS4000 Storage Expansion Enclosure 6 DS4000 Storage Expansion Enclosure 5 d...

Страница 97: ...XP810 and eight EXP710 storage expansion enclosures If you are cabling one DS4800 Storage Subsystem to seven EXP810 storage expansion enclosures operating at 4 Gbps and eight EXP710 storage expansion...

Страница 98: ...800 Storage Subsystem Install an SFP module in the drive mini hub port on the back of the DS4800 Storage Subsystem as shown in Figure 56 on page 77 Connect an LC LC fiber optic cable into the SFP modu...

Страница 99: ...pansion enclosure settings This section provides information about storage expansion enclosure settings For additional detail refer to the Installation User s and Maintenance Guide for your storage ex...

Страница 100: ...the enclosure ID and the number of the physical slots that a hard drive occupies to create a unique fibre channel loop address or arbitrated loop physical address AL_PA for each drive in a fibre chan...

Страница 101: ...oblems since one cannot easily ascertain whether the same device with a different address or different device may be causing a problem Connecting hosts to the DS4800 The DS4800 supports redundant conn...

Страница 102: ...dundant and non redundant host and drive channel configurations see Fibre channel host loop configurations on page 84 Host A Host adapter 2 or from managed hub or switch Controller B Controller A Host...

Страница 103: ...bnet Use a local private network for the DS4800 and the management station Ethernet ports 3 To ensure proper EMI shielding always use quality braided and shielded serial cables Connect a pair of Ether...

Страница 104: ...hat the storage subsystem logical drives are mapped to is not Microsoft Windows 2000 or Server 2003 then you have to make a direct out of band management connection to the storage subsystem to set the...

Страница 105: ...install the storage subsystem Figure 62 on page 84 shows the direct out of band management method Note Do not connect the DS4800 Storage Subsystem Ethernet ports to a public network or public subnet I...

Страница 106: ...S4800 Storage Subsystem the storage expansion enclosures fibre channel cables and SFPs The DS4800 supports redundant drive channel pair configurations You can build a redundant drive channel pair by c...

Страница 107: ...of DS4800 host fibre channel configurations v Redundant host and drive fibre channel loop configurations as shown in Figure 63 on page 86 v Single SAN fabric configuration as shown in Figure 64 on pa...

Страница 108: ...wo host adapters Host system with two host adapters DS4800 Switch Switch Note Node level redundancy with cluster software Host system with two host adapters Host system with two host adapters ds48001...

Страница 109: ...tem with two host adapters Switch Switch Interswitch link ds48003 DS4800 Figure 64 Example of a single SAN fabric configuration Host system with two host adapters Host system with two host adapters Sw...

Страница 110: ...can connect the power cords to a primary power unit inside the rack cabinet such as a properly grounded ac distribution unit or to an external source such as a properly grounded electrical outlet The...

Страница 111: ...turned off 2 If you have not already done so turn off all power switches on each storage subsystem and storage expansion enclosure in the cabinet Figure 67 shows the locations of the power switches a...

Страница 112: ...e To maintain power redundancy plug the PDUs that power the storage subsystem s right and left RAID controllers and the right and left power supplies of the DS4000 storage expansion enclosures into tw...

Страница 113: ...remium Features Web site https www 912 ibm com PremiumFeatures Additionally if at least two drives are not installed in each attached storage expansion enclosure the resulting insufficient load to the...

Страница 114: ...92 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 115: ...our storage expansion enclosures for information on power requirements Contact your IBM service representative for additional information if needed v Before any planned system shutdown or after any sy...

Страница 116: ...In addition you should also collect event logs for the host servers that have mapped logical drives from the storage subsystem Attention Save these event log files to a server disk that will remain a...

Страница 117: ...aintenance helps to support the optimal performance of your DS4000 storage configuration You should periodically inspect the Fibre Channel components of your DS4000 storage configuration IBM suggests...

Страница 118: ...ributes to the overall health of the system Removing and replacing the front bezel The storage subsystem is equipped with a front bezel which you must remove in order to access the power supply fans a...

Страница 119: ...nnections are optimal by checking the indicator LEDs before you turn on the DS4800 The controllers might not recognize the correct configuration if the storage expansion enclosure hard disk drives are...

Страница 120: ...nd off intermittently Depending on your configuration it can take several minutes for each storage expansion enclosure to power up Check the LEDs on the front and back of all the storage expansion enc...

Страница 121: ...see Checking the LEDs on page 111 c Open the DS4000 Storage Manager Subsystem Management Window and display the Physical View for the configuration The status for each component will be either Optima...

Страница 122: ...lowing situations v Instructions in a hardware or software procedure require you to turn off the power v A service technician tells you to turn off the power v A planned power outage or emergency situ...

Страница 123: ...require you to perform other procedures before you turn off the power 1 Stop all I O activity to the storage subsystems 2 Determine the status of all storage subsystems and components in the configur...

Страница 124: ...e procedure in Turning on the storage subsystem on page 97 Restoring power after an unexpected shutdown The storage subsystem might shut down unexpectedly under any of the following conditions Attenti...

Страница 125: ...you can correct the problem when you turn on the power again 3 Turn off all power supply switches then unplug the power cords from the storage subsystem Restoring power after an emergency shutdown Us...

Страница 126: ...ler The storage subsystem might take several minutes to power up depending on the number of attached storage expansion enclosures The battery self test might take an additional 15 minutes The LEDs wil...

Страница 127: ...etects a subsystem failure that has been detected by the controllers prior to the enabling of the alarm The GUI indicates alarm status for the storage subsystem as follows v Alarm control enabled disa...

Страница 128: ...15 xx xx is required to support EXP100 storage expansion enclosure attachment It also supports EXP710 storage expansion enclosures but does not support EXP810 storage expansion enclosure attachment EX...

Страница 129: ...er the Microsoft Windows host software attachment kit or with your choice of host software kits Windows AIX Linux Netware SUN Solaris HP UX Linux on POWER or VMware The host software kit grants you pe...

Страница 130: ...nstalled version of the DS4000 Storage Manager client code is actually 9 16 The DS4000 Storage Manager client provides the best way to diagnose and repair storage server failures The software can help...

Страница 131: ...ary updates before configuring the storage subsystem arrays and logical drives Subscribe to My Support for automatic notifications of firmware or Storage Manager software updates or any important info...

Страница 132: ...6 Do any components have a Needs Attention status v Yes Go to step 7 v No All components are Optimal Go to step 8 7 Select the Recovery Guru toolbar button Perform the procedure in the Recovery Guru...

Страница 133: ...remove the front bezel in order to see all of the interconnect battery unit LEDs With the bezel in place only the following LEDs are visible v Power v Overall DS4800 Configuration Needs Attention v Lo...

Страница 134: ...s on page 119 Off On Storage subsystem locate Overall DS4800 Configuration Needs Attention Amber LED Off On There are one or more failures in the DS4800 storage subsystem configuration The cause of fa...

Страница 135: ...Host Channel Speed L1 Green LED See Table 20 on page 116 2 Host Channel Speed L2 Green LED Controller A Controller B ds48041 12 12 7 8 9 9 8 7 3 4 5 6 3 4 5 6 3 4 5 6 3 4 5 6 10 10 11 11 10 10 11 11...

Страница 136: ...On Bypass problem v An SFP module is inserted in the port and the connected fibre channel is either absent or not properly connected v The storage expansion enclosure connected to this port is not po...

Страница 137: ...The storage expansion enclosure connected to this port is not powered on v There is a problem with the fibre channel connection between this port and the fibre channel port of the connected ESM in the...

Страница 138: ...L1 and L2 LEDs for each host and drive channel combine to indicate the status and the operating speed of each host or drive channel Table 20 Host and drive channel LED definitions L1 L2 Definition Off...

Страница 139: ...hat appears as a decimal point between the display numbers The diagnostic LED tuns off when the numeric display shows the storage subsystem enclosure ID The numeric display shows various diagnostic co...

Страница 140: ...offline controller 88 Reset Controller is held in reset by alternate controller Power supply fan LEDs The LED positions on the right and left power supply fan units differ as shown in the following fi...

Страница 141: ...roller B v The connected PDUs are turned off or have been tripped v There is no power at the wall circuit v The power supply fan unit is bad Battery 1 Charging Green LED On Battery charged and ready B...

Страница 142: ...y fan units the connected PDUs and the connected power circuits for any of the following conditions v Both power supply fan units are not turned on v A circuit breaker has tripped v The connected PDUs...

Страница 143: ...ntion LED on the individual CRU to light but they will cause this Overall DS4800 Configuration Needs Attention LED to light For example a hard disk drive that exceeds its PFA errors will cause this LE...

Страница 144: ...35 C 50 F to 95 F the cooling fans maintain a proper operating temperature inside the storage subsystem Several factors can cause the power supplies to overheat These factors include v Unusually high...

Страница 145: ...around the storage subsystem cools The storage subsystem is capable of power up recovery without operator intervention after the temperature inside the power supply fan cools to below 70 C 158 F After...

Страница 146: ...Note DC power input is not currently supported for the DS4800 Contact your IBM service representative or reseller for information about possible future support for DC power input The internal power c...

Страница 147: ...fan on page 144 v No Go to step 6 on page 126 Attention Fiber optic cables are fragile Bending twisting folding or pinching fiber optic cables can cause damage to the cables degraded performance or da...

Страница 148: ...h the latches to release the levers and rotate the levers to disengage them from the locking pins b Use the levers to slide the controller from the storage subsystem chassis Figure 78 on page 127 show...

Страница 149: ...tive controller slots in the DS4800 the location of the circuit breaker access holes are as follows On Controller A the circuit breaker access holes are located on the left side on the bottom of the c...

Страница 150: ...D status proceed to one of the following steps v All channel speed LEDs are on and the Needs Attention LED is off Go to step 16 v All channel speed LEDs are off or the Needs Attention LED is on Verify...

Страница 151: ...orrect FRU part number for the DS4800 controller In addition the DS4800 model 80A H has different replacement FRU part numbers than the DS4800 model 82A H controllers even though they both have the sa...

Страница 152: ...m and can explode if not properly used handled or disposed of Do not v Throw or immerse into water v Heat to more than 100 C 212 F v Repair or disassemble Dispose of the battery as required by local o...

Страница 153: ...e battery is fully charged v The LED flashes when the battery is charging or performing a self test v The LED is off if the battery or the battery charger has failed The interconnect battery unit also...

Страница 154: ...132 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 155: ...0 configuration You can perform all replacement procedures in this chapter as hot swap procedures Hot swap refers to the ability to remove and replace a storage subsystem component while the storage s...

Страница 156: ...ructions in the DS4000 Storage Manager Subsystem Management window or refer to the appropriate component replacement instructions in this chapter for the additional diagnostics required in this case T...

Страница 157: ...ight on any of the components that need attention For example if both the right power supply fan which is linked to Controller A and Controller B need attention then neither of the Service Action Allo...

Страница 158: ...ponent lever and the latch that secures the lever The top view shows the lever in the closed and latched position The bottom view shows the lever in the released position To release both latches on a...

Страница 159: ...ock down state v Both power supply fan units must be connected and powered on with no Needs Attention LEDs lit Ensure that the Power LEDs on each of the power supply fan units are lit If either of the...

Страница 160: ...roller bay Controller B is inserted in the bottom controller bay and then apply the controller labels for host channels drive channels power inputs and numeric display to the replacement controller Th...

Страница 161: ...odules that contain wire tabs unlock the SFP module latch by pulling the wire latch outward 90 as shown in Figure 86 on page 140 Host channels RS 232 serial port Ethernet ports Dual ported drive chann...

Страница 162: ...outlet and then disconnect the power cord from the ac power connector on the controller 10 Release the controller levers and remove the failed controller Figure 87 shows the controller sliding from t...

Страница 163: ...tion end Leave some slack between the clamp and the controller end of the power cord Replace the strain relief nut and tighten it securely to secure the clamp to the controller unit 13 Connect the pow...

Страница 164: ...of cache memory per controller v DS4800 Model 84A H Cache upgrade to 16 GB This option upgrades the DS4800 controllers with 4 GB of cache memory per controller to DS4800 controllers with 8 GB of cach...

Страница 165: ...ld upgrades 6 If the DS4800 host ports are connected to a FC switch use the switch monitor tool to make sure that the DS4800 host ports and the server FC HBA ports are operating optimally No unexpecte...

Страница 166: ...curred all electrical outlets are working and so on For more information see Restoring power after an unexpected shutdown on page 102 The storage subsystem cooling system consists of two fans in each...

Страница 167: ...are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician 1 Use the DS4000 Storage Manager client software to print a storage subsy...

Страница 168: ...the storage subsystem or its components without using a proper ground might damage the equipment To avoid damage use proper antistatic protection while handling any components 6 Put on antistatic pro...

Страница 169: ...Verify that the power supply fan does not snag any other DS4800 cables when you slide it into the bay d Press the power supply fan fully into the slot engaging the pins on the enclosure e Hold open bo...

Страница 170: ...n addition do not replace the interconnect battery unit in any of the following situations v The DS4800 Controller A is not in optimal state v The FC paths from the hosts to the host ports in Controll...

Страница 171: ...el by grasping the sides and pulling the cover toward you Attention Never remove a power supply fan unless the Service Action Allowed status LED is turned on 4 Is the Service Action Allowed status LED...

Страница 172: ...levers straight out simultaneously to remove the failed interconnect battery unit Figure 93 on page 151 shows the interconnect battery unit sliding from the storage subsystem chassis Service Action A...

Страница 173: ...unit slide the back of the unit into the appropriate slot c Holding both levers slowly push the interconnect battery unit until the notches in both the left and right levers are aligned with the pins...

Страница 174: ...heck the status of the battery Because write caching is disabled when either one of the backup battery packs fail IBM recommends that you replace the failed battery pack as soon as possible to minimiz...

Страница 175: ...materials in the event you need to return the new battery pack 7 Remove the battery access cover from the front of the interconnect battery unit by removing the thumb screws that secure the cover to t...

Страница 176: ...have the IBM part number listed on the battery available prior to your call For information on disposal of sealed Lithium Ion batteries outside the United States go to http www ibm com ibm environment...

Страница 177: ...er 24 hours check the Needs Attention and Battery LEDs to ensure that the battery is working properly If the replacement battery indicates a fault contact your IBM support representative Replacing an...

Страница 178: ...h devices When working with fiber optic cables do not pinch them step on them or locate them in aisles or walkways Do not overtighten the cable straps or bend the cables to a radius smaller than 38 mm...

Страница 179: ...and Needs Attention LED are off Go to step 12 11 Is the problem corrected v Yes Go to step 12 v No Contact your IBM support representative 12 Remove the antistatic protection 13 Use the DS4000 Storag...

Страница 180: ...ported drive channels SFPs are inserted into the ports and then fibre channel cables are connected to the SFPs For information on installing SFPs and fiber optic cables see Working with SFPs and fiber...

Страница 181: ...mination Guide for more information The loopback test and the sendEcho test are described in the IBM System Storage DS4000 Problem Determination Guide In the IBM System Storage SAN Integration Server...

Страница 182: ...fibre channel cables Verify that the fibre channel cables are in good condition and that there are no cable management issues such as using plastic ties to wrap the cables or bending the cable loops...

Страница 183: ...ords are plugged in and all power switches are on If applicable check that the main circuit breakers for the rack cabinet are turned on AC power failure Check the main circuit breaker and ac outlet Bo...

Страница 184: ...ly fan is not lit Call IBM Support if needed Interconnect battery unit v Amber Battery Needs Attention LED on the interconnect battery unit is on v Green Battery LED on the power supply fan is off Bat...

Страница 185: ...o place it online If one controller has been placed offline by the other controller contact IBM support This is the case if you use the DS4000 Storage Manager client software to make repeated attempts...

Страница 186: ...DS4800s are shipped with both cache battery packs installed Call IBM support if a cache battery pack is missing and you did not remove any of the cache battery packs from the DS4800 L1 and L2 Link Spe...

Страница 187: ...by both the blue Service Action Allowed LED and the amber Needs Attention LED has failed and can be replaced Unable to access drives Expansion drive channel Fibre channel cabling has failed Ensure tha...

Страница 188: ...stem controller as an independent storage subsystem or a partially managed device contact IBM support for instructions on how to force firmware synchronization in the replacement controller The DS4800...

Страница 189: ...and without batteries 23R0532 4 DS4800 chassis 23R1980 Model 80H 23R1982 Model 80A Non Korea 23R1981 Model 80A Korea 22R4272 Model 82H 22R4491 Model 84H 22R4493 Model 82A Non Korea 22R4494 Model 82A...

Страница 190: ...ory Model 88A H 23R0537 6 DS4800 mounting rail assembly 22R4839 7 DS4800 battery cover plate with 4 screws 22R4874 DS4800 battery 22R4875 LC wrap plug assembly 24P0950 LC SC fibre channel cable adapte...

Страница 191: ...document in the DS4000 Storage Manager Version 9 library with its related common user tasks Table 26 DS4000 Storage Manager Version 9 1 titles by user tasks Title User tasks Planning Hardware installa...

Страница 192: ...Planning Hardware Installation Software Installation Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage DS4800 Installation User s and Maintenance Guide U U U U U...

Страница 193: ...tem document titles by user tasks Title User Tasks Planning Hardware Installation Software Installation Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage DS4700 I...

Страница 194: ...le User Tasks Planning Hardware Installation Software Installation Configuration Operation and Administration Diagnosis and Maintenance IBM TotalStorage DS4500 Installation and Support Guide U U U IBM...

Страница 195: ...age Server document titles by user tasks Title User Tasks Planning Hardware Installation Software Installation Configuration Operation and Administration Diagnosis and Maintenance IBM DS4400 Fibre Cha...

Страница 196: ...n Configuration Operation and Administration Diagnosis and Maintenance IBM TotalStorage DS4300 Fibre Channel Storage Server Installation and User s Guide U U U IBM TotalStorage DS4300 Rack Mounting In...

Страница 197: ...able 32 DS4100 SATA Storage Server document titles by user tasks Title User Tasks Planning Hardware Installation Software Installation Configuration Operation and Administration Diagnosis and Maintena...

Страница 198: ...nd Maintenance IBM System Storage DS4000 EXP810 Storage Expansion Enclosures Installation User s and Maintenance Guide U U U U U IBM TotalStorage DS4000 EXP700 and EXP710 Storage Expansion Enclosures...

Страница 199: ...DS4000 Hardware Maintenance Manual U IBM System Storage DS4000 Problem Determination Guide U IBM Fibre Channel Planning and Integration User s Guide and Service Information U U U U IBM TotalStorage D...

Страница 200: ...178 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 201: ...each RAID controller as shown in Figure 100 Product name IBM System Storage DS4800 Storage Subsystem Machine type 1815 Model number Serial number RAID controller MAC addresses Controller firmware ver...

Страница 202: ...180 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 203: ...Figure 102 on page 183 to identify the proper locations for inserting M5 screws when mounting the support rails and DS4800 in a rack cabinet The locations for the M5 screws are highlighted in the temp...

Страница 204: ...ds48020 Figure 101 DS4800 front rack mounting template 182 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 205: ...ds48021 Figure 102 DS4800 rear rack mounting template Appendix C Rack mounting templates 183...

Страница 206: ...184 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 207: ...only in that country or region IBM power cord part number Cord specifics Used in these countries or regions 13F9940 250V 10A 2 8M Australia Fiji Kiribati Nauru New Zealand Papua New Guinea 39Y7917 25...

Страница 208: ...riya 39Y7920 250V 10A 2 8M Israel 39Y7931 250V 10A 2 8M Antigua and Barbuda Aruba Bahamas Barbados Belize Bermuda Bolivia Brazil Caicos Islands Canada Cayman Islands Costa Rica Columbia Cuba Dominican...

Страница 209: ...host software components Table 35 defines the keyboard operations that enable you to navigate select or activate user interface components The following terms are used in the table v Navigate means t...

Страница 210: ...want to select press Ctrl Spacebar to select the drive If you press Spacebar alone when multiple drives are selected then all selections are removed Use the Ctrl Spacebar combination to deselect a dri...

Страница 211: ...Y OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disc...

Страница 212: ...ssor storage real and virtual storage or channel volume KB stands for approximately 1000 bytes MB stands for approximately 1 000 000 bytes and GB stands for approximately 1 000 000 000 bytes When refe...

Страница 213: ...way Appliances are labeled in accordance with European Directive 2002 96 EC concerning waste electrical and electronic equipment WEEE The Directive determines the framework for the return and recyclin...

Страница 214: ...lded and grounded cables and connectors must be used in order to meet FCC emission limits Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits IBM is...

Страница 215: ...ion of the laws of the Member States relating to electromagnetic compatibility IBM cannot accept responsibility for any failure to satisfy the protection requirements resulting from a nonrecommended m...

Страница 216: ...Japanese Voluntary Control Council for Interference VCCI statement 194 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 217: ...tandard for IBM compatibles It extends the XT bus architecture to 16 bits and also allows for bus mastering although only the first 16 MB of main memory are available for direct access agent A server...

Страница 218: ...t customer replaceable unit CRU An assembly or part that a customer can replace in its entirety when any of its components fail Contrast with field replaceable unit FRU cyclic redundancy check CRC 1 A...

Страница 219: ...or IBM compatibles that extends the Industry Standard Architecture ISA bus architecture to 32 bits and allows more than one central processing unit CPU to share the bus See also Industry Standard Arch...

Страница 220: ...n be both a storage management station and a host simultaneously host bus adapter HBA An interface between the fibre channel network and a workstation or server host computer See host host group An en...

Страница 221: ...physical partition 3 One to three physical partitions copies The number of logical partitions within a logical volume is variable logical unit number LUN An identifier used on a small computer system...

Страница 222: ...device whose contents are not lost when power is cut off N_port See node port NVS See nonvolatile storage NVSRAM Nonvolatile storage random access memory See nonvolatile storage Object Data Manager O...

Страница 223: ...transparently reroutes I Os to the other controller in the redundant set if a controller or I O path fails remote mirroring Online real time replication of data between storage subsystems that are mai...

Страница 224: ...p It is called static because it retains a value as long as power is supplied unlike dynamic random access memory DRAM which must be regularly refreshed It is however still volatile meaning that it ca...

Страница 225: ...etworks It uses the Internet Protocol IP as the underlying protocol Transmission Control Protocol Internet Protocol TCP IP A set of communication protocols that provide peer to peer connectivity funct...

Страница 226: ...204 IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide...

Страница 227: ...opy Services Guide 169 customer replaceable units CRUs removing an interconnect battery unit 40 removing power supply fans 40 removing the controllers 40 replacing an SFP module 155 replacing the back...

Страница 228: ...o RAID controller 79 host channels 13 host software kits 4 host agent management method 82 hot swap procedures 133 hub See managed hub 79 I IBM Safety Information 176 177 IBM System Storage DS4800 aud...

Страница 229: ...gnostic 116 front bezel 111 interconnect battery unit 119 power supply fan 118 levers and latches 37 136 line cord jumpers 3 loop configurations overview 84 redundant 85 M MAC address recording 179 ma...

Страница 230: ...all form factor pluggable module SFP connecting to an LC LC fibre channel cable 53 port location 76 removing an LC LC cable 55 software inventory 4 specifications 19 static sensitive devices handling...

Страница 231: ...on in this book is Very Satisfied Satisfied Neutral Dissatisfied Very Dissatisfied Accurate h h h h h Complete h h h h h Easy to find h h h h h Easy to understand h h h h h Well organized h h h h h Ap...

Страница 232: ...Development Dept GZW 9000 South Rita Road Tuscon AZ U S A 85744 0001 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Страница 233: ......

Страница 234: ...Part Number 23R1992 Printed in USA GC26 7845 00 1P P N 23R1992...

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