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IBM TotalStorage DS4400 User Manual
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IBM TotalStorage DS4400 User Manual

IBM TotalStorage DS4400 User Manual

Fibre channel storage server
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IBM TotalStorage DS4400
Fibre Channel Storage Server
User's Guide
GC26-7730-00

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Summary of Contents for IBM TotalStorage DS4400

  • Page 1 IBM TotalStorage DS4400 Fibre Channel Storage Server User’s Guide GC26-7730-00...
  • Page 3 IBM TotalStorage DS4400 Fibre Channel Storage Server User’s Guide GC26-7730-00...
  • Page 4 Before using this information and the product it supports, be sure to read the general information under “Notices” on page 69. First Edition (January 2005) © Copyright International Business Machines Corporation 2005. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

  • Page 5: Table Of Contents

    ..... . 24 Turning off the power ..... . 25 © Copyright IBM Corp. 2005...
  • Page 6 Japanese Voluntary Control Council for Interference (VCCI) statement . . . 72 Power cords ......72 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 7 Glossary ......75 Index ......85 Contents...
  • Page 8 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 9: Figures

    ... . 3 4. IBM TotalStorage DS4400 Fibre Channel Storage Server - back view ... . 4 5. Fibre Channel interface connections ......5 6.
  • Page 10 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 11: Tables

    ..xx 3. TotalStorage DS4400 Fibre Channel Storage Server document titles by user tasks ..xxi 4. TotalStorage DS4300 Fibre Channel Storage Server document titles by user tasks ..xxii 5.
  • Page 12 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 13: Safety

    Vor der Installation dieses Produkts die Sicherheitshinweise lesen. Prima di installare questo prodotto, leggere le Informazioni sulla Sicurezza. Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet. Antes de instalar este produto, leia as Informações sobre Segurança. © Copyright IBM Corp. 2005...
  • Page 14 2. First, remove power cords from outlet. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlet. 4. Remove all cables from devices. 5. Turn device ON. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 15 Statement 2: CAUTION: When replacing the lithium battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer.
  • Page 16 The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 17 Statement 8: CAUTION: Never remove the cover on a power supply or any part that has the following label atteched. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components.
  • Page 18 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 19: About This Book

    Storage Server publications” on page xix. FAStT product renaming IBM is in the process of renaming some FAStT family products. Table 1 identifies each new DS4000 product name with its corresponding FAStT product name. Note that this change of product name only indicates no change in functionality or warranty.

  • Page 20: How This Book Is Organized

    (New Feature = Asynchronous Mirroring with Consistency Group) How this book is organized Chapter 1, “Introduction,” on page 1 introduces the IBM DS4400 Fibre Channel Storage Server and its primary components. Chapter 2, “Operating the DS4400 Storage Server,” on page 21 describes the tasks required to operate the DS4400 Storage Server.

  • Page 21: Ds4000 Storage Server Publications

    Each table lists documents that are included in the libraries and what common tasks they address. You can access the documents listed in these tables at one of the following Web sites: www.ibm.com/servers/storage/support/disk/ www.ibm.com/shop/publications/order/ DS4500 storage server library Table 2 on page xx associates each document in the DS4500 (previously FAStT900) storage server library with its related common user tasks.

  • Page 22: Totalstorage Ds4500 Fibre Channel Storage Server Document Titles By User Tasks

    IBM TotalStorage DS4500 Installation and Support Guide, GC26-7727 IBM TotalStorage DS4500 Fibre Channel Cabling Instructions, GC26-7729 IBM TotalStorage DS4500 Storage Server User’s Guide, GC26-7726 IBM TotalStorage DS4500 Rack Mounting Instructions, GC26-7728 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 23: Ds4400 Storage Server Library

    DS4400 storage server library Table 3 associates each document in the DS4400 (previously FAStT700) storage server library with its related common user tasks. Table 3. TotalStorage DS4400 Fibre Channel Storage Server document titles by user tasks Title User Tasks Planning...

  • Page 24: Ds4300 Storage Server Library

    DS4300 Fibre Channel Cabling Instructions, GC26-7725 IBM TotalStorage DS4300 SCU Base Upgrade Kit, GC26-7740 IBM TotalStorage DS4300 SCU Turbo Upgrade Kit, GC26-7741 IBM TotalStorage DS4300 Turbo Models 6LU/6LX Upgrade Kit, GC26-7723 xxii IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 25: Ds4100 Storage Server Library

    Table 5. TotalStorage DS4100 SATA Storage Server document titles by user tasks Title User Tasks Planning Hardware Software Configuration Operation and Diagnosis and Installation Installation Administration Maintenance IBM TotalStorage DS4100 Installation, User’s and Maintenance Guide, GC26-7733 IBM TotalStorage DS4100 Cabling Guide, 24P8973 xxiii About this book...

  • Page 26: Ds4000 Storage Manager Version 9 Publications

    AIX, HP-UX, Solaris and Linux on POWER, GC26-7705 IBM TotalStorage DS4000 Storage Manager Version 9 Copy Services User’s Guide, GC26-7707 IBM TotalStorage DS4000 Storage Manager Version 9 Concepts Guide, GC26-7734 xxiv IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 27: Other Ds4000 And Ds4000-Related Documents

    DS4000 Quick Start Guide, GC26-7738 IBM TotalStorage DS4000 Hardware Maintenance Manual,GC26-7702 IBM TotalStorage DS4000 Problem Determination Guide, GC26-7703 IBM Fibre Channel Planning and Integration: User’s Guide and Service Information, SC23-4329 IBM TotalStorage DS4000 FC2-133 Host Bus Adapter Installation and User’s Guide,...

  • Page 28: Figures Used In This Document

    If you need help, service, or technical assistance or just want more information about IBM products, you will find a wide variety of sources available from IBM to assist you. This section contains information about where to go for additional...

  • Page 29: Using The Documentation

    Use an IBM discussion forum on the IBM Web site to ask questions. You can solve many problems without outside assistance by following the troubleshooting procedures that IBM provides in the online help or in the documents that are provided with your system and software.

  • Page 30: Software Service And Support

    For information about which products are supported by Support Line in your country or region, go to the following Web site: www.ibm.com/services/sl/products/ For more information about the IBM Support Line and other IBM services, go to the following Web sites: v www.ibm.com/services/ v www.ibm.com/planetwide/...
  • Page 31 Fill out the Readers’ Comments form (RCF) at the back of this document and return it by mail or fax (1-800-426-6209) or give it to an IBM representative. If the RCF has been removed, you can address your comments to:...
  • Page 32 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 33: Chapter 1. Introduction

    Chapter 1. Introduction The IBM TotalStorage DS4400 Fibre Channel Storage Server (referred to throughout this book as DS4400 Storage Server) is a high-performance unit that provides dual, redundant array of independent disks (RAID) controllers and Fibre Channel interfaces to both the host and drive channels.

  • Page 34: Product Updates

    ® 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/support/disk/index.html In the Additional Support section of the Web page, click My support. On the next page, if you have not already done so, register to use the site by clicking register now.

  • Page 35: Front View

    Controllers - Two removable units that each contain one RAID controller with 1 Gb cache memory and status indicator lights. Note: The illustrations in this document might differ slightly from your hardware. Removable bezel Figure 2. IBM TotalStorage DS4400 Fibre Channel Storage Server front bezel Storage server fan Controllers Battery Figure 3.

  • Page 36: Fibre Channel Connections

    1 Gb/s Power supply Power supply Figure 4. IBM TotalStorage DS4400 Fibre Channel Storage Server - back view Fibre Channel connections When fully configured, the back of the DS4400 Storage Server can accommodate up to four host-side and four drive-side mini-hubs. Each mini-hub is a single, removable unit that provides the Fibre Channel interface between a DS4400 Storage Server, host computers, and drives.

  • Page 37: Handling Fiber-Optic Cables

    Figure 5. Fibre Channel interface connections The DS4400 Storage Server uses fiber-optic cables to connect to other Fibre Channel devices. The fiber-optic cables that you need depend on the type of optical connectors in the device to which you are connecting the DS4400 Storage Server. If the device uses SFP modules or optical interface connectors, then you must use LC-LC Fibre Channel cables.

  • Page 38: Using Lc-Lc Fibre Channel Cables

    LC-LC Fibre Channel cable. Note: If you are connecting a DS4400 Storage Server to a DS4000 EXP500 expansion unit or to an IBM DS4000 host adapter, you must also use an Fibre Channel cable adapter. For more information about using the LC-SC Fibre Channel cable adapter, see “Using LC-SC Fibre Channel cable...

  • Page 39: Connecting An Lc-Lc Cable To An Sfp Module

    Connecting an LC-LC cable to an SFP module To connect an LC-LC Fibre Channel cable to an SFP module, complete the following steps. Statement 3: CAUTION: When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following: v Do not remove the covers.

  • Page 40: Inserting An Lc-Lc Fibre Channel Cable Into An Sfp Module

    Figure 9. Inserting an LC-LC Fibre Channel cable into an installed SFP module 5. Remove the two protective caps from the other end of the LC-LC cable, as shown in Figure 7 on page 7. Save the protective cap for future use. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 41 SFP module that is installed in an IBM Fibre Channel switch v Optical interface connector on either an IBM DS4000 FC-2 Host Bus Adapter (Part Number 19K1246) or an IBM DS4000 FC2-133 Host Bus Adapter (Part Number 24P0960) v LC-SC Fibre Channel cable adapter (For information about using an LC-SC cable adapter, see “Using LC-SC Fibre Channel cable adapters”...

  • Page 42: Removing An Lc-Lc Fibre Channel Cable

    DS4000 host adapter (Part number 00N6881) v DS4000 EXP500 expansion unit (Machine type 3560) v 1 Gb Fibre Channel switch (Machine type 2109) v 1 Fibre Channel Managed hub (Machine type 3534) IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 43: Connecting An Lc-Sc Cable To A Device

    For more information about connecting to these devices, see the documentation that comes with the device. Figure 12 shows an LC-SC Fibre Channel cable adapter. LC connector SC connector Figure 12. LC-SC Fibre Channel cable The following sections provide the procedures for properly connecting and removing an LC-SC Fiber Channel cable adapter.
  • Page 44 5. Connect the SC connector end of the LC-SC cable to one of the following devices: v Optical interface connector on an IBM DS4000 Host Bus Adapter (Part number 00N6881) v GBIC installed in a DS4000 EXP500 expansion unit (Machine type 3560)

  • Page 45: Removing An Lc-Lc Cable From An Lc-Sc Cable Adapter

    For more information about connecting to these devices, see the documentation that comes with the device. Removing an LC-LC cable from an LC-SC cable adapter To remove an LC-LC cable from an LC-SC cable adapter, do the following: Attention: To avoid damaging the LC-LC cable, make sure you press and hold the lever to release the latches while you remove the cable from an LC-SC cable adapter.

  • Page 46: Interface Ports

    For more information about connecting the DS4400 Storage Server and storage expansion enclosures (sometimes referred to as expansion units) using the host and drive interface ports, refer to the IBM DS4400 Fibre Channel Storage Server Installation Guide. Host interface ports The DS4400 Storage Server comes with host-side mini-hubs 1 and 2 installed.

  • Page 47: Drive Interface Ports

    Figure 19. Drive-side mini-hub interface ports The maximum number of storage expansion enclosures that can be connected per pair of redundant drive loops depends on the IBM DS4000 storage expansion enclosure models used. The following DS4000 storage expansion enclosure types...

  • Page 48: Intermixing Storage Expansion Enclosure Models

    The maximum Fibre Channel transfer speed in all of the DS4000 EXP700s must be set to 1 Gbps because the maximum FC transfer speed of the IBM FAStT EXP500 storage expansion enclosures is 1 Gbps. Otherwise, a drive channel mini-hub data rate mismatch error will be generated.

  • Page 49: Possible Combinations Of Fastt Exp500 And Ds4000 Exp700 Storage Expansion Enclosures Per Drive Loop

    EXP700 storage expansion enclosures, refer to the IBM TotalStorage DS4000 EXP700 and EXP710 Storage Expansion Enclosures Installation, User’s, and Maintenance Guide. You can also refer to the IBM TotalStorage DS4000 Hard Drive and Storage Expansion Enclosure Installation and Migration Guide.
  • Page 50 Storage Server, the DS4400 Storage Server controller firmware must be at version 06.xx.xx.xx or higher. A fully configured DS4400 Storage Server supports a maximum of 16 IBM DS4000 EXP700 or EXP710 storage expansion enclosures (8 storage expansion enclosures per drive-loop pair), or 224 drives, using dual pairs of redundant drive loops.

  • Page 51: Ethernet Interface Ports

    A fully configured DS4400 Storage Server supports a maximum of 16 IBM DS4000 EXP700, EXP710, or EXP100 storage expansion enclosures (8 storage expansion enclosures per drive-loop pair), or 224 drives, using dual pairs of redundant drive loops. Ethernet interface ports There are two Ethernet interface ports, one for each controller (Controller A and Controller B).
  • Page 52 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 53: Chapter 2. Operating The Ds4400 Storage Server

    A storage system in an optimal state should recover automatically from an unexpected shutdown and unattended simultaneous restoration of power to system components. After power is restored, call IBM support if any of the following conditions occur: – The storage subsystem logical drives and arrays are not displayed in the DS4000 Storage Manager graphical user interface (GUI).

  • Page 54: Removing The Front Bezel To Access The Ds4000 Storage Server Components

    Removing the front bezel to access the DS4000 Storage Server components To access the controllers, battery, storage server fan, and indicator lights, you must remove the DS4400 Storage Server bezel, as shown in Figure 21 on page 23. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 55: Removing The Ds4400 Storage Server Bezel

    Attention: Pulling the cover out too far can damage the plastic hooks at the top. To avoid damaging the hooks, place the DS4400 Storage Server on a flat surface. Be sure the front of the DS4400 Storage Server extends beyond the edge approximately 5 cm (2 in.).

  • Page 56: Turning On The Power

    Turn on the power-supply switches on the back of the DS4400 Storage Server (see Figure 23 on page 25). You must turn on both power-supply switches to take advantage of the redundant power supplies. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 57: Turning Off The Power

    b /s b /s b /s b /s b /s b /s b /s Power switch b /s b /s b /s b /s b /s b /s b /s b /s b /s ac power cord Power switch ac power cord Figure 23.
  • Page 58 Turn off both power supply switches on the back of the storage server. See Figure 23 on page 25. c. Turn off power to other supporting devices (for example, management stations, Fibre Channel switches, or Ethernet switches). IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 59: Monitoring Status Through Software

    NVSRAM (for controllers only) must be up to date. Go to the following Web site to get the latest updates. www.ibm.com/servers/storage/support/disk/ Apply the necessary updates before configuring the DS4400 arrays and logical drives. Subscribe to My Support for automatic notifications of firmware or storage manager software updates or any important information about your DS4000 subsystems (see “Product updates”...

  • Page 60: Storage Server Indicator Lights

    Normal status: Off Problem status: On Fast Write Cache Green light indicates data in cache. Figure 24. Storage server indicator lights Table 10 on page 29 describes the storage server indicator lights. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 61: Raid Controller Indicator Lights

    Table 10. Storage server indicator lights Normal Problem Possible conditions indicated by the Indicator light Color operation indicator problem indicator Power Green v No power to DS4400 Storage Server v Power supply cables are loose or the switches are off v Both power supplies have failed, are missing, or are not fully seated in DS4400 Storage Server...
  • Page 62 Problem status: Off Reset switch Controller status indicator lights Controller A Controller B Figure 25. RAID controller indicator lights Table 11 on page 31 describes the DS4400 RAID controller indicator lights. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 63: Battery Indicator Lights

    Table 11. RAID controller indicator lights Normal Problem Possible conditions indicated by the Indicator light Color operation indicator problem indicator Power Green v No power to storage subsystem v Cables are loose or the switches are off v Power supply has failed, is missing, or is not fully seated v Overtemperature condition Fault...

  • Page 64: Fan And Communications Module Indicator Light

    Fan and Amber v Fan and communications module has communications fault failed or is installed incorrectly v Overtemperature condition Always use the storage-management software to identify the failure. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 65: Power Supply Indicator Light

    Power supply indicator light The power supply has one indicator light, as shown in Figure 28. 2 Gb/s 2 Gb/s 2 Gb/s 2 Gb/s 2 Gb/s 2 Gb/s 2 Gb/s 2 Gb/s 1 Gb/s 1 Gb/s 1 Gb/s 1 Gb/s 1 Gb/s 1 Gb/s 1 Gb/s...

  • Page 66: Host-Side And Drive-Side Mini-Hub Indicator Lights

    However, the drive-side mini-hub bypass indicator light will be lit when there is one SFP module installed in the mini-hub and the mini-hub has no Fibre Channel cable connection. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 67 Table 15. Host-side and drive-side mini-hub indicator lights (continued) Normal Problem Possible condition indicated by Icon Indicator light Color operation indicator the problem indicator Loop good Green v The loop is not operational, no devices are connected v mini-hub has failed or a faulty device is connected to the mini-hub v If there is no SFP module...

  • Page 68: Overtemperature Condition And Power Supply Shutdown

    If your DS4400 Storage Server shuts down unexpectedly, use the storage-management software to determine if the DS4400 Storage Server is overheated. If an overtemperature shutdown is indicated, use the following procedure to regain normal system operation. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 69: Turning On The Power After An Emergency Shutdown

    1. Turn off the power switches to allow the DS4400 Storage Server to cool. 2. When the room temperature is below the upper operating temperature of 35° C (95° F), turn on the power switches. 3. Check the DS4400 Storage Server for faults or damage. Use the storage-management software to check the overall status of the DS4400 Storage Server and its components.

  • Page 70: Preparing To Move The Ds4400 Storage Server

    Storage Server” on page 39 to safely move the equipment to its new location. If you are moving the DS4400 Storage Server a significant distance, be sure to pack it in its original shipping container. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 71: Moving Or Relocating The Ds4400 Storage Server

    Moving or relocating the DS4400 Storage Server Use the following procedure to remove all component CRUs before moving or relocating the DS4400 Storage Server. 1. Prepare the DS4400 Storage Server for shutdown. Refer to “Turning off the power” on page 25. 2.
  • Page 72 11. Connect the remaining cables to the DS4400 Storage Server. 12. Turn on power to the DS4400 Storage Server. Use the procedure in “Turning on the power” on page 24. 13. Replace the DS4400 Storage Server bezel. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 73: Chapter 3. Replacing Ds4400 Storage Server Components

    DS4400 Storage Server, label controllers A and B with the white tape dots that are included in the rack mounting assembly kit. To prevent data loss, the controllers must be installed into their original location. © Copyright IBM Corp. 2005...

  • Page 74: Servicing Notes

    “RAID controller indicator lights” on page 29. v The two controllers are automatically synchronized when you replace a failed controller. The storage-management software automatically synchronizes the firmware between the existing controller and the new controller. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 75: Replacing A Failed Controller

    Replacing a failed controller When instructed by the storage-management software, replace a controller CRU using the following procedure. Attention: After replacing a controller, always use the storage-management software to verify the firmware levels. 1. Remove the DS4400 Storage Server bezel, as shown in Figure 21 on page 23. Attention: Removing a controller that is operating normally (not failed) can result in data loss.

  • Page 76: Battery

    (see Figure 37 on page 48). Check this label to determine when to replace the battery. For information about using the software to track battery age, refer to the IBM DS4000 Storage Manager documentation and online help.

  • Page 77: Replacing A Failed Battery

    Storage Server might have defective components or connections. Check the storage-management software for indications of other component failures. Replacing a failed battery When instructed by the storage-management software, replace the battery. Attention: Because the battery CRU is a sealed unit, you must replace the entire CRU (not just the batteries) in order to keep the battery backup system in working order.
  • Page 78 Using both pull handles, slide out the battery about 5 cm (2 in.). c. Using both hands, grasp the sides of the battery and pull out. Captive screws Pull handle IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 79: Removing And Installing A Battery

    CAUTION: This product contains a sealed lead acid battery. The battery must be recycled or disposed of properly. In the United States, IBM has established a collection process for reuse, recycling, or proper disposal of used IBM sealed lead acid batteries. For information on proper disposal of these batteries, please contact IBM at 1-800-426-4333 or contact your IBM representative.
  • Page 80 When properly charged, both full-charge indicator lights on the front of the battery are lit. 10. Check the battery indicator lights, as shown in Figure 38 on page 49. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 81: Storage Server Fan

    DS4400 Storage Server chassis has air vents along its top and sides. These vents serve as air intake and exhaust passages. Always keep vents clean and free of obstructions (Refer to the IBM DS4400 Fibre Channel Storage Server Installation Guide for operating specifications).

  • Page 82: Servicing Notes

    Replacing a failed storage server fan When instructed by the storage-management software, replace the storage server fan. 1. Remove the DS4400 Storage Server bezel, as shown in Figure 21 on page 23. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 83: Removing And Installing The Storage Server Fan

    Attention: To prevent damage to the DS4400 Storage Server components, do not operate the DS4400 Storage Server without adequate ventilation to the controllers. If it will take longer than 15 minutes to replace the storage server fan, you must shut down the DS4400 Storage Server to prevent it from overheating.

  • Page 84: Fan And Communications Module

    A single fan provides sufficient air circulation to prevent the power supplies from overheating until you can replace the entire fan and communications module. Servicing notes Consider the following when servicing the fan and communications module: IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 85: Replacing A Failed Fan And Communications Module

    v The fan and communications module contains two Ethernet connections used for direct network-management. v You can hot swap the fan and communications module as long as you complete the exchange within 15 minutes from when you remove the failed unit until you install the new one.

  • Page 86: Fan And Communications Module Ports And Indicator Light

    DS4400 Storage Server until you can replace the failed fan and communications module with a new one. 6. Reconnect the interface cables that you disconnected in Step 1 on page 53 to the new fan and communications module. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 87: Power Supply

    Power supply The DS4400 Storage Server power system consists of two power supplies. The power supplies slide into either of the two slots on the back of the DS4400 Storage Server. The power supplies provide power to the internal components by converting incoming ac voltage to dc voltage.

  • Page 88: Replacing A Failed Power Supply

    Normal status: On Normal status: On Problem status: Off Problem status: Off Figure 44. Power supply switch, ac power connectors, and indicator lights IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 89 Statement 5: CAUTION: The power 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 all electrical current from the device, ensure that all power cords are disconnected from the power source.

  • Page 90: Small Form-Factor Pluggable (Sfp) Modules

    You must insert the SFP module into a mini-hub port before you connect the fiber-optic cable. v You must remove the fiber-optic cable from the SFP module before you remove the SFP module from the mini-hub. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 91: Replacing A Failed Sfp Module

    v Four indicator lights on a mini-hub provide status information. If an SFP module fails, the corresponding SFP port bypass indicator will be lit on the mini-hub. For more information about indicator lights, see “Mini-hub indicator lights” on page v If you replace the SFP module and still experience problems, the DS4400 Storage Server might have defective components or connections.

  • Page 92: Replacing A Failed Sfp Module

    Figure 47. Unlocking the SFP module latch - plastic variety v For SFP modules that contain wire tabs, unlock the SFP module latch by pulling the wire latch outward 90°, as shown in Figure 48 on page 61. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 93: Unlocking The Sfp Module Latch - Wire Variety

    Wire tab Protective cap SFP module Figure 48. Unlocking the SFP module latch - wire variety Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling static-sensitive devices, see “Handling static-sensitive devices” on page 41. 4.
  • Page 94 If a problem is indicated, use the storage-management software to check the DS4400 Storage Server status. For more information, see “Mini-hub indicator lights” on page 33. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 95: Mini-Hubs

    Mini-hubs The mini-hubs are located on the back of the DS4400 Storage Server (see Figure 52 on page 64). A mini-hub is a single, removable unit that provides the Fibre Channel interface between a DS4400 Storage Server and hosts or drives. The back of the DS4400 Storage Server can accommodate eight mini-hubs: up to four host-side and up to four drive-side mini-hubs.

  • Page 96: Removing The Fiber-Optic Cable From The Sfp Module

    Figure 52. Removing and installing a mini-hub Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling static-sensitive devices, see “Handling static-sensitive devices” on page 41. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 97 5. Unpack the new mini-hub and slide it into the appropriate slot; then, tighten the captive screw. 6. Install the SFP modules that you removed in Step 3 on page 64 as follows: a. Remove the SFP modules from their static-protective packages. b.
  • Page 98 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 99: Appendix. Accessibility

    For other interface components, use the Alt + underlined letter combination. Ctrl+F1 Display or conceal a tool tip when keyboard focus is on the toolbar. Spacebar Select an item or activate a hyperlink. © Copyright IBM Corp. 2005...
  • Page 100 Move keyboard focus down one item in the list. Left arrow Move keyboard focus to the left. Right arrow Move keyboard focus to the right. Up arrow Move keyboard focus up one item in the list. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 101: Notices

    Web sites. The materials at those Web sites are not part of the materials for this IBM product, and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

  • Page 102: Trademarks

    IBM. Maximum memory may require replacement of the standard memory with an optional memory module. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...

  • Page 103: Electronic Emission Notices

    Unless otherwise stated, IBM makes no representations or warranties with respect to non-IBM products. Support (if any) for the non-IBM products is provided by the third party, not IBM. Some software may differ from its retail version (if available), and may not include user manuals or all program functionality.

  • Page 104: European Union Emc Directive Conformance Statement

    Japanese Voluntary Control Council for Interference (VCCI) statement Power cords For your safety, IBM provides a power cord with a grounded attachment plug to use with this IBM product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet.
  • Page 105 The cord set should have the appropriate safety approvals for the country in which the equipment will be installed. IBM power cords for a specific country or region are usually available only in that country or region.
  • Page 106 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 107 TotalStorage DS4000 publications. advanced technology (AT) bus architecture. A bus standard for IBM compatibles. It extends the XT bus If you do not find the term you are looking for, see architecture to 16 bits and also allows for bus...
  • Page 108 CRC. See cyclic redundancy check. be the same for all SCSI targets logically connected to an FC adapter. CRT. See cathode ray tube. DRAM. See dynamic random access memory. CRU. See customer replaceable unit. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 109 (CRU). Extended Industry Standard Architecture (EISA). A FlashCopy. A premium feature for DS4000 that can bus standard for IBM compatibles that extends the make an instantaneous copy of the data in a volume. Industry Standard Architecture (ISA) bus architecture to 32 bits and allows more than one central processing F_port.
  • Page 110 An entity in the storage partition topology and the physical network. that defines a logical collection of host computers that require shared access to one or more logical drives. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 111 Internet Protocol (IP) address. The unique 32-bit loop address. The unique ID of a node in address that specifies the location of each device or fibre-channel loop topology sometimes referred to as a workstation on the Internet. For example, 9.67.97.103 is loop ID.
  • Page 112 Object Data Manager (ODM). An AIX proprietary identifier of the storage subsystem for which the storage mechanism for ASCII stanza files that are edited as part of configuring a drive into the kernel. IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 113 (PTF). A temporary solution or bypass of a problem diagnosed by IBM in a current RVSD. See recoverable virtual shared disk. unaltered release of the program.
  • Page 114 (SAN). A dedicated storage synchronous write mode. In remote mirroring, an network tailored to a specific environment, combining option that requires the primary controller to wait for the IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 115 acknowledgment of a write operation from the uninterruptible power supply. A source of power secondary controller before returning a write I/O request from a battery that is installed between a computer completion to the host. See also asynchronous write system and its power source. The uninterruptible power mode, remote mirroring, Metro Mirroring.
  • Page 116 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 117 3 glossary 75 components, replacing 41 Fibre Channel connections 4 moving the 39 preparing to move 38 hardware installation process xviii RAID controller 41 hardware maintenance and problem determination xviii replacing components 41 © Copyright IBM Corp. 2005...
  • Page 118 SM installation and support guide for Windows mini-hubs 41 2000 xviii drive side 3 SM installation and support guide for Windows NT xviii host side 3 software installation process xviii software service and support xxviii IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 119 speed 34, 35 start server xviii startup sequence 24 static-sensitive devices, handling 41 storage expansion enclosure turning on before storage server 24 storage expansion enclosure installation guide xviii storage expansion enclosures compatibility 15 intermixing 16 storage server fan 3 storage server indicator lights 27 storage server installation guide xviii trademarks 70 turning on the power after 36, 37...
  • Page 120 IBM TotalStorage DS4400 Fibre Channel Storage Server: User’s Guide...
  • Page 121 Thank you for your responses. May we contact you? h Yes h No When you send comments to IBM, you grant IBM a nonexclusive right to use or distribute your comments in any way it believes appropriate without incurring any obligation to you. Name...
  • Page 122 Readers’ Comments — We’d Like to Hear from You Cut or Fold Along Line GC26-7730-00 Fold and Tape Please do not staple Fold and Tape _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ NO POSTAGE NECESSARY IF MAILED IN THE...
  • Page 124 Printed in USA GC26-7730-00...

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