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IBM TotalStorage DS4800, User, Installation And Maintenance Manual

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DS4000

 

Storage

 

Expansion

 

Enclosure

 

documents

 

Table

 

33

 

associates

 

each

 

of

 

the

 

following

 

documents

 

with

 

its

 

related

 

common

 

user

 

tasks.

 

 

Table

 

33.

 

DS4000

 

Storage

 

Expansion

 

Enclosure

 

document

 

titles

 

by

 

user

 

tasks

 

Title

 

User

 

Tasks

 

Planning

 

Hardware

 

Installation

 

Software

 

Installation

 

Configuration

 

Operation

 

and

 

Administration

 

Diagnosis

 

and

 

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

 

Installation,

 

User’s,

 

and

 

Maintenance

 

Guide

 

U

 

U

 

U

 

U

 

U

 

Fibre

 

Channel

 

Solutions

 

-

 

IBM

 

DS4000

 

EXP500

 

Installation

 

and

 

User’s

 

Guide

 

U

 

U

 

U

 

U

 

U

 

IBM

 

System

 

Storage

 

DS4000

 

Hard

 

Drive

 

and

 

Storage

 

Expansion

 

Enclosures

 

Installation

 

and

 

Migration

 

Guide

 

U

 

U

 

  

 

 

176

 

IBM

 

System

 

Storage

 

DS4800

 

Storage

 

Subsystem:

 

Installation,

 

User’s,

 

and

 

Maintenance

 

Guide

Summary of Contents for TotalStorage DS4800

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

Page 2: ......

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 233: ......

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

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