IBM DS4700 User Manual

IB M System Storag e DS4 700 Express Storag e SubsystemInstallati on, Us e r’s and M ain t en ance G uideGC26-7843-05

viii IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Connecting storage expansion enclosures to the DS4700 ExpressAttentionBefore powering on the DS4700 Express Storage Subsystem, it must bepopulated wit

Overview of steps to connect storage expansion enclosures to astorage subsystemTo connect storage expansion enclosures to the storage subsystem, perfo

1. Follow the instructions in the Installation, User's, and Maintenance Guide foryour DS4000 storage expansion enclosure to set up and mount the

Figure 49 and Figure 50 show the locations of controllers A and B, the single-portedfibre-channel host channels, Ethernet ports, and dual-ported fibre

Table 24. DS4700 Express Storage Subsystem (Model 72) host ports and drivechannels (continued)Number Description3 Drive Channel 1 - Port 2 on Controll

redundant drive channel pair.As Figure 53 shows, when you connect additional storage expansion enclosures,you can connect them by using the additional

One DS4700 Express and three storage expansion enclosuresIf you are cabling one DS4700 Express Storage Subsystem and three storageexpansion enclosures

Figure 57 on page 76 shows a cabling topology that is not recommended becauseall six storage expansion enclosures are connected to a single drive port

One DS4700 Express and two or more storage expansionenclosures in a mixed configurationA mixed configuration is a configuration in which you have more

DS4700 Express Storage Subsystem and supported storage expansionenclosure drive cabling schemesThe following sections show cabling schemes for support

Figures1. DS4700 Express hot-swap drive bays ...72. Back view; connectors, switch, ports, enclosure ID on model 70 ...10

DS4700 Express Storage Subsystem drive cabling rules andrecommendationsRefer to these general rules and recommendations when completing the cablingste

DS4000 storage subsystem. Figure 59 shows the location of the ports.Table 25. DS4700 Express drive ports connected to EXP810 ESM ports labeled 1BNumbe

storage expansion enclosure's ESM ports.Table 26. DS4700 Express drive ports connected to 14-drive storage expansion enclosureESM In and Out port

Perform the following steps to create the recommended cabling scheme as shownin Figure 61:1. Connect either port 2 or port 1 of the dual-ported drive

4. Connect the OUT port (2) on the right ESM in the second EXP100 (4)toport 2 of drive channel 2 on the DS4700 Express.One DS4700 Express and thre

Perform the following steps to create the recommended cabling scheme shown inFigure 64:1. Connect the OUT port (2) on the left ESM in the first EXP1

Perform the following steps to create the recommended cabling scheme shown inFigure 65:1. Connect the OUT port (2) on the left ESM in the first EXP1

One DS4700 Express and one EXP710 storage expansionenclosureFigure 66 shows the recommended cabling scheme for one DS4700 ExpressStorage Subsystem and

2. Connect the OUT port (2) on the right ESM in the first EXP710 (3) to port 1of drive channel 1 on the DS4700 Express.3. Connect port 1 of drive

Perform the following steps to create the recommended cabling scheme shown inFigure 69:1. Connect the OUT port (2) on the left ESM in the first EXP7

54. One DS4700 Express and three storage expansion enclosure — Recommended cabling ...7455. One DS4700 Express and four storage expansion enclosure —

Perform the following steps to create the recommended cabling scheme shown inFigure 70:1. Connect the OUT port (2) on the left ESM in the first EXP7

One DS4700 Express and one EXP810 storage expansionenclosureFigure 71 shows the recommended cabling scheme for one DS4700 ExpressStorage Subsystem and

Perform the following steps to create the recommended cabling scheme shown inFigure 72:1. Connect port 2 of drive channel 1 on the DS4700 Express to p

Perform the following steps to create the recommended cabling scheme shown inFigure 73:1. Connect port 1A on the left ESM in the first EXP810 (2) to

Perform the following steps to create the recommended cabling scheme shown inFigure 74:1. Connect port 1A on the left ESM in the first EXP810 (2) to

Perform the following steps to create the recommended cabling scheme shown inFigure 75:1. Connect port 1A on the left ESM in the first EXP810 (2) to

12. Connect port 2 of drive channel 2 on the DS4700 Express to port 1B (1)onthe right ESM in the sixth EXP810 (7).One DS4700 Express and two or mo

Table 27. Description of Figure 76Number Description1 DS4700 Express Storage Subsystem2 EXP1003 EXP8104 IN port5 OUT port6 Port 1B7 Port 1AFigure 77 o

Table 28. Description of Figure 77Number Description1 DS4700 Express Storage Subsystem2 EXP1003 EXP8104 IN port5 OUT port6 Port 1B7 Port 1AFigure 78 o

Subsystem.Table 29. Description of Figure 78Number Description1 DS4700 Express Storage Subsystem2 EXP1003 EXP8104 EXP710Storage expansion enclosure se

93. DC power supply and fan unit cabling scheme - dual-level redundancy ...11494. DC power supply connector - PIN positions ...

If required, use a small screwdriver or the tip of a pen to push the small buttonsabove and below each enclosure ID digit to change the enclosure ID s

The problem with soft AL_PAs addressing is that addresses may change betweenLIPs. This possibility increases the difficulty of troubleshooting drive c

Connecting secondary interface cablesThis section is applicable to (direct) out-of-band management configurations only. Ifyour configuration uses host

Table 32. DS4700 Express Storage Subsystem (Model 72) location of host ports oncontrollersNumber Description1 Ethernet portsNote: Ethernet ports on th

Then, the server will be able to recognize the storage subsystemcorrectly for host-agent (in-band) management.Host-agent (in-band) management methodTh

You can either use the default controller Ethernet IP addresses for out-of-bandconnection or change the default controller Ethernet IP addresses by us

Connecting hosts to the DS4700 ExpressThe DS4700 Express supports redundant direct attached connections to up to fourhosts (models 72A and 72H). To en

Note: The alignment of the single-ported host channels on controller A areopposite those of controller B. Before inserting an SFP module into ahost po

page 106, or a maximum of four redundant host connections for the DS4700Express Storage Subsystem model 72, as shown in Figure 86 on page 107.Note: Fi

For examples of redundant, partially-redundant, and non-redundant host and driveloop configurations, see “Fibre channel host loop configurations.”Fibr

xii IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Note: The minimum DS4700 Express configuration is two partitions. The maximumis 128 partitions. Configuration upgrades are available as upgrade option

In Figure 89, the fibre channel switches are connected together via the inter-switchlink (ISL) to form a dual SAN fabric.In Figure 90 on page 110, the

Figure 91 shows an example of a two-cluster configuration.Installing the storage subsystem configurationUsing the information gathered in the previous

Attach fiber-optic interface cables to each host adapter. You will connect the otherend of the cables to the controller later in the installation proc

CAUTION:To reduce the risk of electric shock or energy hazards:v This equipment must be installed by trained service personnel in arestricted-access l

Dual-level redundant dc cablingIn a dual-level redundancy dc cabling scheme, both dc power connectors in each ofthe dc power supply and fan units are

Complete the following steps to connect the dc power supply cable:1. Using the supplied strap, tie the power supply cord to the rail to provide strain

4. Complete the wiring from the disconnect device to the terminal marked -48V ofthe Reliably grounded safety extra low voltage (SELV) dc power source.

116 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Chapter 4. Operating the storage subsystemThis chapter describes operating procedures for the DS4700 Express.To ensure optimal operation of your syste

Tables1. Where to find DS4000 installation and configuration procedures ...xxii2. Description of Figure 2 on page 10 ...

Save the storage subsystem profile before performing any controller or ESMfirmware upgrades. Save the storage subsystem profile and all *.cfg files to

v Create and maintain a cabling diagram of the current SAN configuration. Keepthis diagram updated as you make configuration changes, and keep the cab

v Yes - Turn off both power switches on each enclosure that you intend toconnect to the power.v No - Turn off both power switches on all enclosures in

8. Determine the status of all storage subsystems and components in theconfiguration by completing the following steps:a. Check all LEDs on each compo

v Appropriate host kit for your operating system, which includes the DS4000Storage Manager Support CD containing the appropriate Storage Managerversio

In addition, to download the latest version of the DS4000 StorageManager host software, the DS4700 Express Storage Subsystemcontroller firmware and NV

7. Select the Drives tab.8. Scroll through the list to find the drive values such as Product ID.Firmware updatesAttention: Save the storage subsystem

1. Open the Subsystem Management window.2. Select the component button for each storage expansion enclosure in thisstorage subsystem, and view the sta

AC power supply and fan unit LEDsThis section describes the primary power supply and fan unit LEDs on the DS4700Express Storage Subsystem (models 70A,

Table 41. DC power supply and fan unit LEDsNumber LED Normal Status Problem Status11DC power supply and fanunit powerOn Off2 Service Action Allowed(OK

49. Drive LED activity ...15250. Data transfer rates for drive modules ...16251. Symptom-to-FRU index .

Table 42. Front LEDs and controlsNumber LED Normal Status Problem Status1 Drive Activity LED On (not blinking) - Nodata is being processedBlinking - D

Table 43. Battery unit LEDsNumber LED Normal Status Problem Status1 Service ActionAllowed (OK toRemove)Off On2 Service ActionRequired(Fault)Off On3 Ba

Table 44. Rear controller LEDs, controls, and connectorsNumber LED Normal Status Problem Status1 Service Action Allowed(OK to Remove)Off On2 Service A

Table 44. Rear controller LEDs, controls, and connectors (continued)Number LED Normal Status Problem Status3 Cache ActiveOn - Data is in cacheOff - Ca

Table 45. Host and drive channel LED definitionsL1 L2 DefinitionOff Off When both LEDs for a host or drive channel are off, this indicates one or more

display numbers. The diagnostic LED tuns off when the numeric display shows thestorage subsystem enclosure ID. The numeric display shows various diagn

v Instructions in a hardware or software procedure require that you turn off thepower.v An IBM technical support representative instructs you to turn

Attention: Turning off and turning on power without waiting for the storagesubsystem disk drives to spin down can damage the drives and might cause da

5. To diagnose and correct the fault, complete the following steps:a. Run the Recovery Guru by selecting the Recovery Guru toolbar button inthe Subsys

1. If you have time, stop all I/O activity to the storage subsystem by shutting downthe host or disconnecting the storage subsystem logical drives thr

SafetyThe caution and danger statements that this document contains can be referencedin the multilingual IBM®Safety Information document that is provi

the appropriate DS4000 Storage Subsystem Installation, User's, andMaintenance Guide during any attended power-up procedure.v A storage subsystem

If the module temperature exceeds 45° C (113° F), the storage managementsoftware displays a Needs Attention icon in the Subsystem Management window. I

CAUTION:The power switch on the power supply and fan unit does not turn off theelectrical current supplied to the device. The DS4700 Express StorageSu

Attention: There are different replacement FRU part numbers for the DS4700Express controller with certain cache sizes. The DS4700 Express StorageSubsy

Subsystem cache batteryThe battery unit in each controller provides backup power to maintain any cacheddata not written to disks in the event of a pow

Data caching starts after the battery completes the startup tests.Attention: Write caching is suspended while a battery pack is either charging orself

144 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Chapter 5. Replacing componentsThis chapter contains information about replacing a controller, bezel, filter and filterretainer, E-DDM CRU, power supp

AttentionNever remove a controller, power supply and fan unit, or battery unit unlessthe Service Action Allowed status LED is turned on. Doing so can

v Yes – Go to step 4.v No – Another component might require attention before you can remove thecontroller. Use the Recovery Guru function in the DS470

DANGERElectrical current from power, telephone, and communication cables ishazardous.To avoid a shock hazard:v Do not connect or disconnect any cables

c. With the SFP latch in the unlocked position, extract the SFP module.v For SFP modules that contain plastic tabs, slide the SFP module out ofthe por

a. Slide one controller into the empty slot in the storage subsystem. Be surethat the lever is pulled straight out as you slide the controller in, as

v If the new controller is offline, go to step 17.17. If the newly inserted controller is in an offline state, see the DS4000 StorageManager client on

Replacing a filter and filter retainerNote: Inspect the filter as needed. Replace the filter every three months or sooner,depending on your environmen

– For optimum performance, never insert a E-DDM into a storage subsystemwithout first confirming the drive firmware level. In the event of a drivefirm

Table 49. Drive LED activity (continued)LED LED state DescriptionsActivity LED Steady green The green LED lights to indicate that the drive is properl

3. Determine the bay into which you want to install the E-DDM.4. Remove the blank tray by doing the following:a. Release the latch on the E-DDM CRU by

Note: Make sure that the EMC gasket does not snag on the bezel.d. Push the tray handle down until it latches into place.Replacing hot-swap E-DDMsE-DDM

Attention: After you remove a E-DDM CRU, wait 70 seconds before replacingor reseating the E-DDM CRU to allow it to properly spin down. Failure to do s

v Which method most closely matches the recommended drive upgrade procedurethat is provided in the operating system or the storage-management software

CAUTION:When laser products (such as CD-ROMs, DVD drives, fiber optic devices, ortransmitters) are installed, note the following:v Do not remove the c

Attention: When you handle static-sensitive devices, take precautions toavoid damage from static electricity. For details about handling static-sensit

the E-DDMs are powered up after the storage subsystem. For instructionson powering up the storage subsystem, see the storage subsystemdocumentation.c.

2. Use the DS4000 Storage Manager software to check the status of the unit.Correct any problems that are reported.3. Back up the data in the arrays an

v If the Drive fault LED stays on or the Drive activity LED stays off, the newE-DDM might be faulty or might be an uncertified drive. See the DS4000St

Attention: All devices on the loop must have the same data transfer rate, whichmeans that you must set the link rate on the storage expansion enclosur

If both Link Rate indicator LEDs are on, the data transfer rate is set for 4Gbps. If one Link Rate indicator light is on, the data transfer rate is se

b. Use a small screwdriver or the tip of a ball point pen to slide the Link Rateswitch to the left or right to set the desired fibre channel operating

replaceable units (CRUs) and do not require preventive maintenance. Use only thesupported power supply and fan units for your specific storage subsyst

CAUTION:Never remove the cover on a power supply and fan unit or any part that hasthe following label attached.Hazardous voltage, current, and energy

DANGERElectrical current from power, telephone, and communication cables ishazardous.To avoid a shock hazard:v Do not connect or disconnect any cables

Statement 5:CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to

Attention: The left and right power supply and fan units are seated in theDS4700 Express chassis in opposite orientations. If you cannot fully insert

v Yes - Select the Recovery Guru toolbar button in the SubsystemManagement window and complete the recovery procedure. If a problem isstill indicated,

CAUTION:To reduce the risk of electric shock or energy hazards:v This equipment must be installed by trained service personnel in arestricted-access l

Attention: The fans in the dc power supplies draw in fresh air and force out hotair. The dc power supplies are hot-swappable and redundant; however, i

placing the appropriate labels on the dc power supply and fan unit CRUto mark the LEDs correctly. The label sheet contains the peel-off labelsthat you

9. Turn off the dc power supply switch, set disconnect devices to the OFFposition, and then unplug the power cord from the failed dc power supply andf

15. Based on the status of the Power and Fault LEDs, choose one of the followingsteps:v Fault LED is on and dc power LED are off - The new unit might

20. Create, save, and print a new storage subsystem profile.Replacing a battery unitEach RAID controller in the DS4700 Express Storage Subsystem conta

Attention: This product contains a sealed Lithium Ion battery. DischargedLithium and Lithium Ion batteries are currently designated to be disposed of

Save all packing materials in the event you need to return the new battery unit.8. Insert the new battery unit into the controller chassis. Make sure

CAUTION:This equipment is designed to permit the connection of the earthed conductorof the dc supply circuit to the earthing conductor at the equipmen

9. Reconnect the interface cable.10. Check the Bypass and Fault LEDs for the new SFP module.11. Based on the status of the Bypass and Fault LEDs, choo

1. Complete the power-off sequence described in “Turning off the storagesubsystem” on page 134 ensuring that the DS4000 storage subsystem isturned off

Attention: Do not stack E-DDM CRUs on top of each other. Protect theE-DDM CRUs from vibrations or sudden shocks.10. Use a #1 Phillips screwdriver to l

14. Grasp the blue handle in the center of the front cage frame and pull it outwardto slide the front cage frame out approximately two inches. Grab th

23. Re-insert the controllers and reconnect the fibre channel cables.24. Re-insert the power supply and fan units and reconnect the power supplycords.

Chapter 6. Hardware maintenanceThis chapter contains information to help you solve some of the simpler problemsthat you might have with your storage s

Table 51. Symptom-to-FRU indexProblemindicator Component Possible cause Possible solutionsAmber LED is lit Drive CRU(Drive FaultLED)Note: Thegreen Dri

Table 51. Symptom-to-FRU index (continued)Problemindicator Component Possible cause Possible solutionsAmber LED is lit(continued)Front panel(GlobalSum

Table 51. Symptom-to-FRU index (continued)Problemindicator Component Possible cause Possible solutionsAll green LEDsare offAll CRUs Subsystem power is

Table 51. Symptom-to-FRU index (continued)Problemindicator Component Possible cause Possible solutionsOne or moregreen LEDs areoffPower supplyCRUsPowe

Cable Warning:WARNING: Handling the cord on this product or cords associated with accessoriessold with this product, will expose you to lead, a chemic

Table 51. Symptom-to-FRU index (continued)Problemindicator Component Possible cause Possible solutionsHard disk drivenot visible in RAIDmanagementsoft

Table 52. Parts listing (DS4700 Express Storage Subsystem)Index DS4700 Express Storage Subsystem FRU P/N1 Rail kit 41Y51522 AC power supply and fan un

Table 52. Parts listing (DS4700 Express Storage Subsystem) (continued)Index DS4700 Express Storage Subsystem FRU P/N5 2 Gbps FC, 73.4 GB/10K drive mod

Appendix A. RecordsWhenever you add options to your DS4700 Express, be sure to update theinformation in this appendix. Accurate, up-to-date records ma

Storage subsystem and controller information recordTable 53 provides a data sheet for recording storage subsystem names,management types, Ethernet har

Sample information recordTable 54 shows a sample information record. This network contains storagesubsystems that are managed by using both the direct

Installed device recordsUse the following table to record the number of the hard disk drives that youreplaced and the corresponding bay number.Attenti

Appendix B. Rack mounting templateThis appendix provides duplicate copies of the rack mounting templates. If you wantto tear out the templates from th

3U3U2U2U1U1U0U0URail assembly(Front Left)Bezel(Front Left)Bezel(Front Right)Rail assembly(Front Right)FRONTRack MountingTemplateDS4700Install first --

®3U3U2U2U1U1U0U0URail assembly(Rear Left)Rail assembly(Rear right)Printed in the U.S.AREARRack MountingTemplateDS4700Rail mounting guideds470002Figure

About this documentThis document provides instructions for installing and customizing the configurationof your IBM System Storage DS4700 Express Stora

198 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Appendix C. Power cordsFor your safety, IBM provides a power cord with a grounded attachment plug to usewith this IBM product. To avoid electrical sho

Table 56. IBM power cords (continued)IBM power cordpart numberFeaturecode DescriptionUsed in these countries orregions39Y7917 9820 Power Cord (250v,10

Table 56. IBM power cords (continued)IBM power cordpart numberFeaturecode DescriptionUsed in these countries orregions39Y7923 9825 Power Cord (250v,10

202 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Appendix D. Additional DS4000 documentationThe following tables present an overview of the IBM System Storage DS4000Storage Manager, Storage Subsystem

Table 57. DS4000 Storage Manager Version 10 titles by user tasks (continued)Title User tasksPlanning HardwareinstallationSoftwareinstallationConfigura

DS4700 Storage Subsystem libraryTable 59 associates each document in the DS4700 Storage Subsystem library withits related common user tasks.Table 59.

DS4500 Storage Subsystem libraryTable 60 associates each document in the DS4500 (previously FAStT900) StorageSubsystem library with its related common

DS4400 Storage Subsystem libraryTable 61 associates each document in the DS4400 (previously FAStT700) StorageSubsystem library with its related common

Appendix E, “Accessibility,” on page 213 details accessibility information.DS4000 Storage Subsystem installation tasks - General overviewTable 1 provi

DS4300 Storage Subsystem libraryTable 62 associates each document in the DS4300 (previously FAStT600) StorageSubsystem library with its related common

DS4200 Express Storage Subsystem libraryTable 63 associates each document in the DS4200 Express Storage Subsystemlibrary with its related common user

DS4100 Storage Subsystem libraryTable 64 associates each document in the DS4100 (previously FAStT100) StorageSubsystem library with its related common

DS4000 Storage Expansion Enclosure documentsTable 65 associates each of the following documents with its related common usertasks.Table 65. DS4000 Sto

Other DS4000 and DS4000-related documentsTable 66 associates each of the following documents with its related common usertasks.Table 66. DS4000 and DS

Appendix E. AccessibilityThis section provides information about alternate keyboard navigation, which is aDS4000 Storage Manager accessibility feature

Table 67. DS4000 Storage Manager alternate keyboard operations (continued)Short cut ActionAlt+ underlined letter Access menu items, buttons, and other

NoticesThis information was developed for products and services offered in the U.S.A.IBM may not offer the products, services, or features discussed i

Adobe and PostScript are either registered trademarks or trademarks of AdobeSystems Incorporated in the United States and/or other countries.Cell Broa

Some software might differ from its retail version (if available) and might not includeuser manuals or all program functionality.Particulate contamina

Table 1. Where to find DS4000 installation and configuration procedures (continued)Installation task Where to find information or procedures3 Mount th

205/A0153039 E. Cornwallis RoadP.O. Box 12195Research Triangle Park, North Carolina 27709-2195U.S.A.In the request, be sure to include the publication

failure to satisfy the protection requirements resulting from a nonrecommendedmodification of the product, including the fitting of non-IBM option car

Deutschland: Einhaltung des Gesetzes über dieelektromagnetische Verträglichkeit von GerätenDieses Produkt entspricht dem “Gesetz über die elektromagne

GlossaryThis glossary provides definitions for theterminology and abbreviations used in IBMSystem Storage DS4000 publications.If you do not find the t

auto-volume transfer/auto-disk transfer (AVT/ADT).A function that provides automatic failover in case ofcontroller failure on a storage subsystem.AVT/

drive channels. The DS4200, DS4700, and DS4800subsystems use dual-port drive channels that, from thephysical point of view, are connected in the same

(FC-PH) services to transmit SCSI commands, data,and status information between a SCSI initiator and aSCSI target across the FC link by using FC frame

initial program load (IPL). The initialization procedurethat causes an operating system to commenceoperation. Also referred to as a system restart, sy

logical drive data to verify that it can be accessed, andoptionally scans the logical drive redundancyinformation.medium access control (MAC). In loca

Standard Architecture (EISA) bus. ISA and EISA boardsplug into an IA or EISA slot, while high-speed PCIcontrollers plug into a PCI slot. See also Indu

Table 1. Where to find DS4000 installation and configuration procedures (continued)Installation task Where to find information or procedures6 Power up

serial ATA. The standard for a high-speed alternativeto small computer system interface (SCSI) hard drives.The SATA-1 standard is equivalent in perfor

elements must be defined to grant access to hostcomputers and host groups using logical drive-to-LUNmappings.striping. Splitting data to be written in

230 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

IndexAa hot-swap E-DDMreplacing 155a hot-swap hard disk drivereplacing 155about this document xxiac power cords and receptacles 27ac power recovery 27

contamination, particulate and gaseous 217controllerinformation record 192removal 41replacing 48controller information 123controllersdescription 8LEDs

emergency shutdown 136enclosure ID 55enclosure ID settings 97enclosure information 123environmental requirements and specifications 24Ethernetconnecti

link rate setting, verifying 161loop configurationsoverview 107redundant 108loop redundancy, described 68Mmanaged hubin fibre channel loop configurati

restoring powerafter planned shutdown 119after power supply shutdown 138restoring power after an emergency 137RS-232 serial port 100Ssafety informatio

Web sites (continued)premium feature activation xxviiireadme files xxviiSAN support xxviiswitch support xxvii236 IBM System Storage DS4700 Express Sto

Table 1. Where to find DS4000 installation and configuration procedures (continued)Installation task Where to find information or procedures9 Install

Part Number: 94Y8472Printed in USAGC26-7843-05(1P) P/N: 94Y8472

Table 1. Where to find DS4000 installation and configuration procedures (continued)Installation task Where to find information or procedures16 Configu

Finding DS4000 readme files1. Go to the following Web site:www.ibm.com/systems/support/storage/disk2. Click the link for your Storage Subsystem (for e

IB M System Storag e DS4 700 Express Storag e SubsystemInstallati on, Us e r’s and M ain t en ance G uideGC26-7843-05

http://www.ibm.com/systems/support/storage/diskSelect your Storage Subsystem (for example, DS4800).Premium feature activationActivate a DS4000®premium

In the U.S. and Canada, hardware service and support is available 24 hours a day,7 days a week. In the U.K., these services are available Monday throu

xxx IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Chapter 1. IntroductionThis chapter describes the operating specifications, features, and components forthe IBM System Storage DS4700 Express Storage

environments. DS4700 Express Storage Subsystems that shipped before theintroduction of the DS4700 Express models with dc power supply and fan unitssup

Operating system supportFor supported operating systems, see the latest DS4000 Storage Manager hostsoftware readme file and the IBM DS4000 series prod

– Diagnostic wrap plug/coupler (1)– Serial cable adapter (1)– Rack-mounting hardware kit (1), including:- Rails (2) (right and left assembly)- M5 blac

Note: If you ordered additional premium features or entitlements, the premiumfeatures activation or entitlement kits may also be shipped inside the bo

having all the right or all the left power cables plug into the same power circuitenables the DS4000 devices in the configuration to power on simultan

v Filter and filter retainerThe hot-swap features enable you to remove and replace 2 or 4 Gbps fibre channelor SATA hard E-DDMs, power supply and fan

Note:Before using this information and the product it supports, be sure to read the general information in the “Safety” on page xvand “Notices” on pag

subsystems such as DS4100 or DS4300 storage subsystems. The DS4700 ExpressE-DDM option CRUs are not interchangeable with those of the DS4200 Expressan

comprise the enclosure ID are referred to as x10 and x1 digits. The enclosure IDprovides a unique identifier for each enclosure in the storage subsyst

Table 2. Description of Figure 2Number Description1 Controller A2 Controller B3 Host channels4 Ethernet ports5 Serial port6 Dual-ported drive channel7

Setting up IP addresses for DS4000 storage controllersAfter you install DS4000 Storage Manager (as described in the DS4000 StorageManager Installation

2. Start the DS4000 Storage Manager client software. The Enterprise Managementwindow opens.3. Add the DS4000 subsystem to the DS4000 Enterprise Manage

Table 4. Description of Figure 4Number Description1 Power supply and fan unit A2 Power supply and fan unit B3 Power connector4 Power switchTable 5. De

DC power supply and fan unitsThe DS4700 Express Storage Subsystem (models 70S, 70T, 72S, and 72T) hastwo removable dc power supply and fan units. Each

Figure 8 shows the dc power supply and fan unit components for the DS4700Express model 70 and Figure 9 on page 16 shows the dc power supply and fan un

Table 6. DC power supply and fan unit description for DS4700 Express model 70 (continued)Number Description3 DC power connector A214 DC power switch5

Table 7. DC power supply and fan unit description for DS4700 Express model 72 (continued)Number Description3 DC power connector A214 DC power switch5

ContentsFigures ...ixTables...xiiiSafety ...xvAbout this document ...

Table 8. Description of Figure 10Number Description1 Controller A cache backup battery unit2 Controller B cache backup battery unit3 Latch4 Pull handl

SFP modulesThe storage subsystem supports a fiber optic interface for host and storageexpansion enclosure connections. You must install a Small Form-f

Figure 12 shows a front view of the bezel. Figure 13 shows a side view of thebezel, filter, and filter retainer.Table 9. Filter and filter retainer de

Unless stated otherwise, you can find the latest DS4000 publications, firmware, andhost software at the IBM DS4000 System Storage Support Web site:www

To obtain the controller firmware version:Right-click the Controller icon in the Physical View pane of the SubsystemManagement window and select Prope

WeightThe total weight of the storage subsystem depends on the number of componentsinstalled. Table 10 lists the maximum, empty, and shipping weights

Environmental requirements and specificationsThis section describes the environmental requirements and specifications for theDS4700 Express Storage Su

Table 15. Temperature and humidity requirements for storage subsystem in a Telco/NEBS-3compliant environment (continued)Condition Parameter Requiremen

These tabulated power and heat dissipation values are typical for the storagesubsystem. Maximum configuration units are typically operated at higher d

v Circuit overloading – Power circuits and associated circuit breakers must providesufficient power and overload protection. To prevent possible damag

Electrical requirements ...26Power and site wiring requirements for models with ac power supply andfan units ...

are appropriate for use in a typical outlet in the destination country. SeeAppendix C, “Power cords,” on page 199 for more information.Power and site

1220 mm coldaisle width2440 mm betweencenter lines of hotand cold aislePerforated tilesor gratingsbackbackT42 racksT42 racksT42 racksCold aisleHot ais

30 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Chapter 2. Installing the storage subsystemThis chapter provides the information that you need to install the storage subsysteminto a rack cabinet.Bef

5. Before removing the DS4700 Express from the shipping box, remove thecomponents from the DS4700 Express chassis to lighten the unit. See“Removing th

Note: Perform this step if the attached storage expansion enclosures areEXP710s or EXP100s only. The EXP810 storage expansion enclosureIDs are automat

Preparing for installationBefore installing the DS4700 Express Storage Subsystem, create a detailed plan ofhow this unit will be used in your storage

The kit includes a DS4000 Storage Manager Support CD that has theappropriate IBM DS4000 Storage Manager host software. If you order morethan one host

Preparing the rack cabinetImportant: Before you install the storage subsystem in a rack cabinet, keep in mindthe following considerations:v Review the

3U3U2U2U1U1U0U0URail assembly(Front Left)Bezel(Front Left)Bezel(Front Right)Rail assembly(Front Right)FRONTRack MountingTemplateDS4700Install first --

DS4700 Express Storage Subsystem drive cabling rules andrecommendations ...78One DS4700 Express and one EXP100 storage expansion enc

Before installing the DS4700 Express in a rack cabinet, you must install the railsand rack-mounting hardware that come with your storage subsystem. Th

4. The rack-mounted unit is three EIA units high. Decide accordingly where youare going to install the support rails.Attention: Use the rack mounting

12. Continue with “Removing the CRUs.”Installing the DS4700 ExpressThis section provides instructions on installing the DS4700 Express. The installati

The DS4700 Express comes with a rack-mounting hardware kit for installing it in arack. It is easier to lift the DS4700 Express and install it in a rac

3. Place the controller on a level surface.4. Repeat step 1 through step 3 for the second controller.Removing an ac power supply and fan unitStatement

3. Place the power supply and fan unit on a level surface.4. Repeat step 1 through step 3 for the second power supply and fan unit.Removing a dc power

CAUTION:This equipment is designed to permit the connection of the earthed conductorof the dc supply circuit to the earthing conductor at the equipmen

Note: The lever rotates upward or downward 90°, depending on whether the dcpower supply and fan unit you are removing is in the left or right dcpower

5. Place the E-DDM CRU horizontally on a level surface.Attention: Do not stack E-DDM CRUs on top of one another. Protect theE-DDM CRUs from vibrations

2. Using a #2 Phillips screwdriver, remove the four screws from the rails (twoscrews in each rail). See 4 in Figure 20 on page 40. If you do not rem

Restoring power after an unexpected shutdown ...137Recovering from an overheated power supply and fan unit ...138Cache memory and cache b

5. Continue with one of the following actions:v If you did remove the DS4700 Express CRUs before installation (asdescribed in “Removing the CRUs” on p

2. As you slide the controller into the empty slot, make sure the guide pins on theside of the controller fit into the notches. After the guide pins f

CAUTION:Disconnect the power cord before replacing the power supply and fan unit.Complete the following steps to replace the power supply and fan unit

CAUTION:This equipment is designed to permit the connection of the earthed conductorof the dc supply circuit to the earthing conductor at the equipmen

Complete the following steps to replace the dc power supply and fan units that youremoved before the installation:1. Slide one dc power supply and fan

Note: Use Table 55 on page 194 to verify the proper replacement locations of yourE-DDMs.1. Lift up on the handle and gently push the E-DDM CRU into th

ds470067Figure 31. Installing a Telco bezel54 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide

Chapter 3. Cabling the storage subsystemAfter the storage subsystem is installed in its permanent location, you must cable itto hosts, drives, and oth

Table 22. Description of Figure 32Number Description1 Enclosure IDFibre-channel loop and ID settingsWhen you install a hard disk drive in the storage

CAUTION:When laser products (such as CD-ROMs, DVD drives, fiber optic devices, ortransmitters) are installed, note the following:v Do not remove the c

Important notes ...216Particulate contamination...217Documentation format ...217Electronic e

Installing SFP modulesThe DS4700 Express requires SFP modules. SFP modules convert electricalsignals to optical signals that are required for fibre ch

v You must remove the fiber-optic cable from the SFP module before you removethe SFP module from the port. Refer to “Removing SFP modules” on page 60

3. Remove the protective cap from the SFP port. Save the protective cap for futureuse.4. Insert the SFP module into the host port until it clicks into

v For SFP modules that contain wire tabs, unlock the SFP module latch bypulling the wire latch outward 90°, as shown in Figure 37.3. With the SFP latc

Connecting an LC-LC cable to an SFP moduleComplete the following steps to connect an LC-LC fibre-channel cable to an SFPmodule:Statement 3:CAUTION:Whe

4. Carefully insert this end of the LC-LC cable into an SFP module that is installedin the DS4700 Express. The cable connector is keyed to ensure it i

Removing an LC-LC fibre-channel cableComplete the following steps to remove an LC-LC fibre-channel cable:Attention: To avoid damaging the LC-LC cable

For more information about connecting to these devices, see the documentationthat comes with the LC-SC fibre-channel cable adapter.The following secti

2. Connect one end of an LC-LC cable to an SFP module in the DS4700 Express.For instructions, see “Using LC-LC fibre-channel cables” on page 61.3. Rem

Attention: To avoid damaging the LC-LC cable, make sure you press and holdthe lever to release the latches before you remove the cable from an LC-SC c