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IBM System Storage DS5020 Installation, User's, And Maintenance Manual
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IBM System Storage DS5020 Installation, User's, And Maintenance Manual

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IBM System Storage DS5020 Storage Subsystem
Installation, User's, and Maintenance Guide
GA32-0954-03

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  • Page 1 IBM System Storage DS5020 Storage Subsystem Installation, User’s, and Maintenance Guide GA32-0954-03...
  • Page 3 IBM System Storage DS5020 Storage Subsystem Installation, User’s, and Maintenance Guide GA32-0954-03...
  • Page 4 Before using this information and the product it supports, be sure to read the general information in “Safety” on page xiii and “Notices” on page 205. This edition applies to the IBM System Storage DS5020 Storage Subsystem with controller firmware version 7.60, and to all subsequent releases and modifications until otherwise indicated in new editions.

  • Page 5: Table Of Contents

    Overview ......1 Base DS5020 features ..... 2 Operating system support .
  • Page 6 Installing the support rails ..... 34 Installing the DS5020 ..... . 38 Removing the CRUs .
  • Page 7 ..... . 90 DS5020 host iSCSI configurations ....90 Installing the storage subsystem configuration .
  • Page 8 DS Storage Manager Version 10 library ....191 DS5020 storage subsystem library ....192 DS4800 storage subsystem library .
  • Page 9 Glossary ......213 Index ......223 Contents...
  • Page 10 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 11: Figures

    9. DS5020 dimensions......22 10. DS5020 airflow ....... 24 11.
  • Page 12 90. DS5020 storage subsystem parts list ..... . . 166 91. An IBM hologram label example ......170 92.
  • Page 13 2. Default IP addresses and subnet masks ..... . 10 3. DS5020 weights ....... 22 4.
  • Page 14 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 15: Safety

    Safety The caution and danger statements that this document contains can be referenced ® in the multilingual IBM Safety Information document that is provided with your IBM ® System Storage DS5020 Storage Subsystem. Each caution and danger statement is numbered for easy reference to the corresponding statements in the translated document.
  • Page 16 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 System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 17 Statement 2: CAUTION: When replacing the lithium battery, use only 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 18 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 System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 19 Statement 8: CAUTION: Never remove the cover on a power supply or any part that has the following label attached. 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 20 State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. xviii IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 21: About This Document

    DS5020 storage subsystem. Chapter 4, “Operating the storage subsystem,” on page 95 contains information about how to turn the power to the DS5020 storage subsystem on and off, recover from an overheated power supply and fan unit, troubleshoot, and interpret LEDs.

  • Page 22: Ds5020 And Ds4000-Family Storage Subsystem Installation Tasks - General Overview

    Table 1. Where to find DS5020 and DS4000-family installation and configuration procedures Installation task Where to find information or procedures...
  • Page 23 Table 1. Where to find DS5020 and DS4000-family installation and configuration procedures (continued) Installation task Where to find information or procedures Mount the DS5020 v DS4800 Storage Subsystem Installation, User’s, and storage subsystem in Maintenance Guide the rack v IBM System Storage Quick Start Guide, Quick Reference for the DS4800 v DS4700 Express Storage Subsystem Installation, User’s, and...
  • Page 24 Table 1. Where to find DS5020 and DS4000-family installation and configuration procedures (continued) Installation task Where to find information or procedures Route the storage v DS4100 Storage Subsystem Installation, User’s, and expansion unit Fibre Maintenance Guide Channel cables v DS4200 Express Storage Subsystem Installation, User’s, and...
  • Page 25 Table 1. Where to find DS5020 and DS4000-family installation and configuration procedures (continued) Installation task Where to find information or procedures Zone the fabric v IBM System Storage DS Storage Manager Version 10 switch (SAN-attached Installation and Host Support Guide (for storage subsystems only) with controller firmware version earlier than 7.8x.xx.xx)

  • Page 26: Getting Information, Help, And Service

    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 information about IBM and IBM products, what to do if you experience a problem with your system, and whom to call for service, if it is necessary.

  • Page 27: Using The Documentation

    Using the documentation Information about your IBM system and preinstalled software, if any, is available in the documents that come with your system. This includes printed books, online documents, readme files, and help files. See the troubleshooting information in your system documentation for instructions for using the diagnostic programs.

  • Page 28: Software Service And Support

    Software service and support Through the IBM Support Line, for a fee you can get telephone assistance with usage, configuration, and software problems. For information about which products are supported by Support Line in your country or region, go to the following Web...

  • Page 29: Hardware Service And Support

    For more information about the IBM Support Line and other IBM services, go to the following Web sites: v http://www.ibm.com/services/ v http://www.ibm.com/planetwide/ Hardware service and support You can receive hardware service through IBM Integrated Technology Services or through your IBM reseller, if your reseller is authorized by IBM to provide warranty service.
  • Page 30 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 31: Chapter 1. Introduction

    DS5020 Drive Attach 33 - 64 feature option. If you need to connect 65 - 112 drives in a DS5020 configuration, you must purchase the DS5020 Drive Attach 65- 112 feature option in addition to the DS5020 Drive Attach 33 - 64 feature option.

  • Page 32: Base Ds5020 Features

    The DS5020 supports up to four hosts in a redundant direct-attached Fibre Channel configuration. When using Fibre Channel or Ethernet switches, you can redundantly connect up to 512 hosts to the DS5020 FC and iSCSI host ports. You can order up to 128 storage partitions for the DS5020.

  • Page 33: Operating System Support

    IBM DS4000 and DS5000 series products interoperability matrix at the following Web site for additional host operating system support: http://www.ibm.com/systems/support/storage/config/ssic/index.jsp See “Finding DS5020 and DS4000-family readme files” on page xxv to learn how to access the DS5020 readme files on the Web. FC-SAS defined In this document, the term FC-SAS refers to a SAS drive with a FC-SAS interposer that translates the SAS drive interface to a FC protocol interface.

  • Page 34: Sata Defined

    Note: Depending on your DS5020 order, your shipping box might contain additional materials not listed in the following checklist. Review the inventory checklist included in the DS5020 shipping box for any additional parts, and use that checklist in combination with the following information.
  • Page 35 – IBM License Agreement – Statement of Limited Warranty – Box ID labels (used to label the enclosure IDs on the front of the DS5020) Note: If you ordered additional premium features or entitlements, the premium features activation or entitlement kits might also be shipped inside the box.

  • Page 36: Product Updates And Support Notifications

    For more information about support notifications or the My Support feature, including instructions on how to register, see the following IBM Support Web page: http://www.ibm.com/systems/support/storage/subscribe/moreinfo.html You can also check the Stay Informed section of the IBM Disk Support Web site: http://www.ibm.com/servers/storage/support/disk/index.html Best practices guidelines To achieve optimal system operation, always follow these best practices guidelines: v Make sure that your system is in an optimal state before you shut it down.

  • Page 37: Storage Subsystem Components

    A storage system in an optimal state recovers 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 subsystems are not displayed in the DS Storage Manager graphical user interface (GUI).
  • Page 38 SATA E-DDMs at 4 Gbps Fibre Channel operating speed. Note: Even though the DS5020 has a 2 or 4 Gbps Fibre Channel Link Rate switch that can be used to set the drive channel speed at 2 Gbps, the link rate speed must be set to 4 Gbps.

  • Page 39: Controllers

    5. Power on the storage expansion enclosures. 6. Power on the storage subsystem. 7. Restore storage subsystem host application operations. The Link Rate switch on the DS5020 storage subsystem and the storage expansion enclosures connected to it must have the same setting. Attention: 1.

  • Page 40: Connectors, Switch, And Enclosure Id

    Use either Cat5E or Cat6 Ethernet cable types for iSCSI port connections. A Cat6 Ethernet cable provides optimal performance. Although both controllers (A and B) are identical, they are seated in the DS5020 chassis in opposite orientations. If the controller cannot fully be inserted in the controller bay, flip it 180 degrees and reinsert it.

  • Page 41: Back View; Controllers With Two Standard Fibre Channel Host Expansion Channels

    DS5020 storage subsystem configuration, make sure that the single digit (x1) of the enclosure ID for every storage expansion enclosure in a redundant drive channel/loop pair is unique. If you do not set the single-digit value of the enclosure IDs to be unique among storage expansion enclosures in a redundant drive channel/loop pair, it will be difficult to troubleshoot the source of errors in the drive channels.

  • Page 42: Setting Up Ip Addresses For Ds5020 Storage Controllers

    IP addresses: v “Steps for setting up the DHCP/BOOTP server and network” v “Steps for assigning static TCP/IP addresses to the DS5020 controllers” on page Steps for setting up the DHCP/BOOTP server and network: To complete this...
  • Page 43 For a host that is connected to a storage subsystem through a Fibre Channel I/O path: Complete the following steps to assign static TCP/IP addresses to the DS5020 storage subsystem controllers by way of the host that has Fibre Channel connectivity to the DS5020 Fibre Channel host port.
  • Page 44 DS5020 storage subsystem controllers, using default TCP/IP addresses that are assigned to the DS5020 storage subsystem controllers during manufacturing: 1. Make a direct management connection to the DS5020 storage subsystem, using the default TCP/IP addresses: v Controller A: 192.168.128.101 v Controller B: 192.168.128.102...

  • Page 45: Ac Power Supply And Fan Units

    To preserve the optimal airflow, do not remove a failed power supply and fan unit CRU from the DS5020 chassis until you are ready to replace it with a new CRU.

  • Page 46: Battery Units

    Dispose of the battery as required by local ordinances or regulations. Each controller also contains a rechargeable battery unit that is used in the event of a power failure. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 47: Backup Battery Unit

    The battery unit is hot-swappable. You can remove the battery unit for servicing and then reinsert it while the DS5020 continues to perform I/O operations. However, write I/O caching is disabled when the battery is in a failed state or removed from the controller chassis.

  • Page 48: Sfp Modules

    Remove any SFP from any port that does not have fiber-optic cables attached. The DS5020 storage subsystem host ports support 2, 4, and 8 Gbps Fibre Channel speeds. The DS5020 storage subsystem drive ports support only 4 Gbps Fibre Channel speeds.

  • Page 49: Software And Hardware Compatibility And Upgrades

    Conversely, an 8 Gbps SFP that is plugged into a 4 Gbps-capable port will limit the speed of the port to a maximum of 4 Gbps. Carefully check the SFP IBM part number, option number, and FRU part number to identify its speed. There are no physical features that distinguish an 8 Gbps SFP from a 4 Gbps SFP.

  • Page 50: Determining Firmware Levels

    To find the latest DS Storage Manager software, storage subsystem controller firmware, ESM, and NVSRAM firmware, check the firmware readme files. See “Finding DS5020 and DS4000-family readme files” on page xxv to learn how to access the readme files on the Web.

  • Page 51: Specifications

    Dimensions Figure 9 on page 22 shows the dimensions of the DS5020, which conforms to the 19-inch rack standard. Chapter 1. Introduction...

  • Page 52: Weight

    Table 5 lists shipping carton dimensions. The height shown includes the height of the pallet. Table 5. DS5020 shipping carton dimensions Height Width Depth 45.7 cm (18.0 in.) 62.6 cm (24.5 in.) 80.7 cm (31.75 in.) IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 53: Environmental Requirements And Specifications

    Temperature and humidity Table 6 lists the acceptable temperature and humidity ranges for the DS5020 Storage Subsystem when in storage or in transit. Table 7 lists temperature and humidity ranges for the storage subsystem in typical Information Technology (IT) or office environments.

  • Page 54: Altitude

    (40,000 ft.) above sea level Airflow and heat dissipation Figure 10 shows the intended airflow for the DS5020. Allow at least 30 inches in front of the storage subsystem and at least 24 inches behind the storage subsystem for service clearance, proper ventilation, and heat dissipation.

  • Page 55: Shock And Vibration Requirements

    Wave form = Triangular, 10g @3.75 ms Operational Vibration (Random): While in its normal operating position, the DS5020 will continue operating when subjected to a random vibration test using the criteria shown in Table 11. This test uses the indicated spectral power density for 30 minutes in each of the three axes.

  • Page 56: Power And Site Wiring Requirements

    (outside USA) operation. They use standard industrial wiring with line-to-neutral or line-to-line power connections. The agency ratings for the DS5020 storage subsystem are 6 amps at 100 VAC and 2.5 amps at 240 VAC. These are the overall maximum operating currents for the DS5020 storage subsystem with ac power supply and fan unit CRUs.
  • Page 57 must position the racks 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. v Where racks are in rows, each rack must touch the rack that is next to it to reduce the amount of hot air that can flow around from the back of the rack into the intakes of the storage expansion enclosures that are in that rack.
  • Page 58 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 59: Chapter 2. Installing The Storage Subsystem

    DS5020 from the shipping box. If desired, open the sides of the shipping box and remove the CRUs from the DS5020 before you lift it from the shipping box in order to lighten the storage subsystem. See “Removing the CRUs”...
  • Page 60 Before you turn on the power to the DS5020 storage subsystem, it must be populated with at least two E-DDMs. If at least two E-DDMs are not installed in the DS5020, an insufficient load to the enclosure power supplies might cause them to intermittently appear as failed, falsely indicating the power supplies are bad.

  • Page 61: Handling Static-Sensitive Devices

    Preparing for installation Before installing the DS5020 storage subsystem, create a detailed plan of how this unit will be used in your storage configuration. The plan might include determining RAID levels, failover requirements, operating systems to be used, and total storage capacity requirements.
  • Page 62 2. Move the shipping box that contains the DS5020 to the site. 3. Remove the mounting rails, mounting hardware, and line jumper cords from the DS5020 shipping box. Do not remove the DS5020 from the shipping box at this time.

  • Page 63: Tools And Hardware Required

    Attention: The mounting rails, mounting hardware, and line jumper cords might be packed beneath the DS5020 in the shipping box. To remove these items from the shipping box without first removing the DS5020, open the two long sides of the shipping box. Then open and fold flat the two short sides of the shipping box.

  • Page 64: Preparing The Rack Cabinet

    If you install multiple components in the rack, do not overload the power outlets. v Always connect the storage subsystem to a properly grounded outlet. v Always connect the IBM-certified rack power distribution units (PDUs) to at least two independent power circuits or sources.

  • Page 65: Front Rack Mounting Template

    Use the following templates (Figure 13 and Figure 14 on page 36) to identify the proper locations for inserting M5 screws when mounting the support rails and DS5020 storage subsystem to a rack cabinet. The locations for the M5 screws are highlighted in the templates.

  • Page 66: Rear Rack Mounting Template

    Printed in the U.S.A Figure 14. Rear rack mounting template Before installing the DS5020 in a rack cabinet, you must install the rails and rack-mounting hardware that come with your storage subsystem. The DS5020 requires an Electronic Industries Association (EIA) 310-D Type A 19-inch rack cabinet.

  • Page 67: Installing The Support Rails

    Note the following considerations before you choose where to install the rails: v If you are installing the DS5020 into an empty rack, install it into the lowest available position so that the rack does not become unstable.

  • Page 68: Installing The Ds5020

    DS5020 before you install it in the rack. However, if you have three or more people available to lift and install the DS5020 in a rack, you might not find it necessary to remove the CRUs before you install the DS5020. If this is the case, you can skip the CRU removal instructions provided in this section.

  • Page 69: Removing A Controller

    The DS5020 comes with a rack-mounting hardware kit for installing it in a rack. It is easier to lift the DS5020 and install it in a rack cabinet if you remove all the CRUs first. You will need an anti-static wrist strap and a cart or level surface (to hold the CRUs).

  • Page 70: Removing An Ac Power Supply And Fan Unit

    Note: The lever rotates upward or downward 90°, depending on whether the power supply and fan unit you are removing is in the left or right power supply and fan unit bay. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 71: Removing An E-Ddm

    Lever Latch Figure 17. Removing a power supply and fan unit 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 an E-DDM Complete the following steps to remove a hot-swap E-DDM: Note: The E-DDM comes installed in a drive tray.

  • Page 72: Installing The Ds5020 Into A Rack On The Support Rails

    CAUTION: Use safe practices when lifting. 1. Put the DS5020 on anti-static protection, and keep it on while you perform all of the remaining procedures in this chapter. 2. Using a No. 2 Phillips screwdriver, remove the four M4 screws from the rails (two screws in each rail).

  • Page 73: Installing The Ds5020

    Using the M4 screws that you removed in step 2 on page 42, secure the sides in the back of the DS5020 to the rack rails. c. Secure the front of the DS5020 using the four M5 screws as shown in Figure 20.

  • Page 74: Replacing The Components

    5. Continue with one of the following actions: v If you did remove the DS5020 CRUs before installation (as described in “Removing the CRUs” on page 38), continue with “Replacing the components.” v If you did not remove the DS5020 CRUs before installation, continue with Chapter 3, “Cabling the storage subsystem,”...

  • Page 75: Replacing An Ac Power Supply And Fan Unit

    Figure 22. The left and right power supply and fan units are seated in the DS5020 chassis in opposite orientations. If you cannot fully insert the power supply and fan unit into the power supply and fan unit bay, flip it 180°...

  • Page 76: Replacing An E-Ddm

    Latch Figure 23. Replacing an E-DDM 2. Push the tray handle down until the latch clicks into place. 3. Repeat step 1 and step 2 to replace additional E-DDMs. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 77: Chapter 3. Cabling The Storage Subsystem

    Although the allowable ranges for enclosure ID settings are 0-99, do not set the enclosure ID to 00 or any number less than 80. The DS5020 enclosure ID is usually set to a value of 85 before it is shipped.

  • Page 78: Fibre Channel Loop And Id Settings

    For optimal performance and compatibility, always use IBM SFP options when installing the IBM DS products. 2. The SFPs are preinstalled in the DS5020 if they are purchase at the same time as the DS5020 subsystem. The SFP is inserted into the port, and then a fiber-optic cable is inserted into the SFP.

  • Page 79: Handling Fiber-Optic Cables

    Handling fiber-optic cables Note: IBM Fibre Channel (FC) cable options have been tested and approved for the IBM DS storage products. For optimal performance and compatibility, always use IBM FC cable options when installing the IBM DS products.

  • Page 80: Installing Sfp Modules

    Note: The SFPs are preinstalled in the DS5020. If the SFPs are not preinstalled in your DS5020 hardware, or if you need to replace them, use the information in this section to install the SFPs into the ports. After you install the SFP modules, you can use fiber-optic cables to connect the DS5020 to other Fibre Channel devices.
  • Page 81 4 Gbps. Attention: Carefully check the SFP IBM part number, option number, and FRU part number to identify its speed. There are no physical features that distinguish a 4 Gbps SFP from an 8 Gbps SFP.

  • Page 82: Removing Sfp Modules

    2. Unlock the SFP module latch: v For SFP modules that contain plastic tabs, unlock the SFP module latch by pulling the plastic tab outward 10°, as shown in Figure 28 on page 53. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 83: Using Lc-Lc Fibre Channel Cables

    An SFP module installed in a Fibre Channel switch port v An SFP module of the host bus adapter port v An SFP module installed in an IBM DS5000 or DS4000 storage expansion enclosure See Figure 30 on page 54 for an illustration of the LC-LC Fibre Channel cable.

  • Page 84: Connecting An Lc-Lc Cable To An Sfp Module

    Figure 26 on page 52. Save the protective cap for future use. 3. Remove the two protective caps from one end of the LC-LC cable, as shown in Figure 31 on page 55. Save the protective caps for future use. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 85: Inserting An Lc-Lc Fibre Channel Cable Into An Sfp Module

    4. Carefully insert this end of the LC-LC cable into an SFP module that is installed in the DS5020. The cable connector is keyed so it will be inserted into the SFP module correctly. Holding the connector, push in the cable until it clicks into place, as shown in Figure 32.

  • Page 86: Removing An Lc-Lc Fibre Channel Cable

    DS5020, an insufficient load to the enclosure power supplies might cause them to intermittently appear as failed, falsely indicating the power supplies are bad. All of the E-DDMs in the DS5020 storage subsystem and the connected storage expansion enclosure or enclosures must contain no prior configuration data.

  • Page 87: Redundant Drive Channel Pair

    If the storage expansion enclosures that you want to install currently contain logical drives or configured hot spares, and you want them to be a part of the DS5020 storage subsystem configuration, refer to the IBM System Storage DS4000 Hard Drive and Storage Expansion Enclosure Installation and Migration Guide.

  • Page 88: Overview Of Steps To Connect Storage Expansion Enclosures To A Storage Subsystem

    DS5020 is powered down when storage expansion enclosures are connected, as in the case of initial installation). For "hot-case" procedures (in which the DS5020 is powered on when storage expansion enclosures are connected), refer to the IBM System Storage DS4000 Hard Drive and Storage Expansion Enclosure Installation and Migration Guide.

  • Page 89: Ds5020 Storage Subsystem Drive Cabling Topologies

    DS5020, make sure that the storage expansion enclosures are populated with at least two drives before you turn on the power. In addition, you must have at least two drives in the DS5020 storage subsystem before you power it on.

  • Page 90: Ds5020 Storage Subsystem Ports And Controllers

    Important: The DS5020 supports the connection of a maximum of six storage expansion enclosures per redundant drive channel pair. The DS5020 supports one redundant drive channel pair. If you are using fiber-optic cables, install SFP modules into the ports that will receive the cables before installing the cables.

  • Page 91: One Ds5020 And One Storage Expansion Enclosure

    One DS5020 and one storage expansion enclosure If you are cabling one DS5020 storage subsystem to one storage expansion enclosure, Figure 37 shows the correct cabling topology. Note: Figure 37 illustrates the drive channel connections between the DS5020 and the storage expansion enclosures. Do not use Figure 37 as the cabling diagram.

  • Page 92: One Ds5020 And Two Storage Expansion Enclosures

    One DS5020 and two storage expansion enclosures If you are cabling one DS5020 storage subsystem and two storage expansion enclosures, connect one storage expansion enclosure per controller drive port as shown in Figure 38. Figure 39 on page 63 shows that you can also connect two expansion enclosures together behind a single controller drive port.
  • Page 93 Port 2, drive channel 1 Port 1, drive channel 1 DS5020 Port 1, drive channel 2 Port 2, drive channel 2 1A 1B 1A 1B Figure 39. Incorrect cabling of one DS5020 and two storage expansion enclosures Chapter 3. Cabling the storage subsystem...

  • Page 94: One Ds5020 And Three Storage Expansion Enclosures

    One DS5020 and three storage expansion enclosures If you are cabling one DS5020 storage subsystem and three storage expansion enclosures, Figure 40 shows the correct cabling topology. Port 2, drive channel 1 Port 1, drive channel 1 DS5020 Port 1, drive channel 2...

  • Page 95: One Ds5020 And Four Storage Expansion Enclosures

    One DS5020 and four storage expansion enclosures If you are cabling one DS5020 storage subsystem and four storage expansion enclosures, Figure 41 shows the correct cabling topology. Port 2, drive channel 1 Port 1, drive channel 1 DS5020 Port 1, drive channel 2...

  • Page 96: One Ds5020 And Up To Six Storage Expansion Enclosures

    One DS5020 and up to six storage expansion enclosures If you are cabling one DS5020 storage subsystem and up to six storage expansion enclosures, Figure 42 shows the correct cabling topology. Port 2, drive channel 1 Port 1, drive channel 1...
  • Page 97 Figure 43 on page 68 shows a cabling topology that is incorrect because all six storage expansion enclosures are connected to a single drive port of the dual-ported drive channel in each controller. Chapter 3. Cabling the storage subsystem...

  • Page 98: One Ds5020 And Two Or More Storage Expansion Enclosures In A Mixed Configuration

    1A 1B 1A 1B 1A 1B Figure 43. Cabling for one DS5020 and up to six storage expansion enclosures One DS5020 and two or more storage expansion enclosures in a mixed configuration A mixed configuration is a configuration in which you have more than one type of storage expansion enclosure.

  • Page 99: Ds5020 Storage Subsystem And Supported Storage Expansion Enclosure Drive Cabling Schemes

    EXP520 EXP810 1A 1B 1A 1B Figure 44. Cabling for one DS5020 and two or more storage expansion enclosures in a mixed environment DS5020 storage subsystem and supported storage expansion enclosure drive cabling schemes The DS5020 supports only EXP520 and EXP810 storage expansion enclosures. To...
  • Page 100 Attach EXP810 to DS5020 Activation feature option. Contact your IBM marketing representative for more information. 12. To attach 33 - 64 additional drives to the DS5020, you must purchase the DS5020 Drive Attach 33 - 64 feature option. To attach 65 - 112 additional drives to the DS5020.

  • Page 101: Ds5020 Drive Ports Connected To Exp810 Esm Ports Labeled 1B

    1A DS5020 Drive channel port Figure 45. DS5020 drive ports connected to EXP810 ESM ports labeled 1B 13. The DS5020 supports the intermix of SATA and Fibre Channel E-DDMs within the same drive enclosure. Chapter 3. Cabling the storage subsystem...

  • Page 102: One Ds5020 And One Exp520 Storage Expansion Enclosure

    One DS5020 and one EXP520 storage expansion enclosure Figure 46 shows the cabling scheme for one DS5020 storage subsystem and one EXP520 storage expansion enclosure. Port 2, drive channel 1 Port 1, drive channel 1 DS5020 Port 1, drive channel 2...

  • Page 103: One Ds5020 And Two Exp520 Storage Expansion Enclosures

    DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 47: 1. Connect port 2 of drive channel 1 on the DS5020 to port 1B on the left ESM in EXP520 one. 2. Connect port 1B on the right ESM in EXP520 one to port 1 of drive channel 2 on the DS5020.

  • Page 104: One Ds5020 And Three Or More Exp520 Storage Expansion Enclosures

    1A 1B EXP520 three 1A 1B Figure 48. One DS5020 and three EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 48: 1. Connect port 1A on the left ESM in EXP520 one to port 1B on the left ESM in EXP520 two.
  • Page 105 6. Connect port 1B on the right ESM in EXP520 three to port 2 of drive channel 2 on the DS5020. Figure 49 on page 76 shows the cabling scheme for one DS5020 storage subsystem and four EXP520 storage expansion enclosures behind both ports of a dual-ported drive channel.

  • Page 106: One Ds5020 And Four Exp520 Storage Expansion Enclosures Behind A Pair Of Ds5020 Drive Ports

    1A 1B EXP520 four 1A 1B Figure 49. One DS5020 and four EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 49: 1. Connect port 1A on the left ESM in EXP520 one to port 1B on the left ESM in EXP520 two.
  • Page 107 8. Connect port 1B on the right ESM in EXP520 four to port 2 of drive channel 2 on the DS5020. Figure 50 on page 78 shows the cabling scheme for one DS5020 storage subsystem and a maximum of six EXP520 storage expansion enclosures behind both ports of a dual-ported drive channel.

  • Page 108: One Ds5020 And A Maximum Of Six Exp520 Storage Expansion Enclosures Behind A Pair Of Ds5020 Drive Ports

    1A 1B EXP520 five EXP520 six Figure 50. One DS5020 and a maximum of six EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 50: IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 109 ESM in EXP520 two. 5. Connect port 1B on the left ESM in EXP520 one to port 2 of drive channel 1 on the DS5020. 6. Connect port 1B on the right ESM in EXP520 three to port 1 of drive channel 2 on the DS5020.

  • Page 110: Storage Expansion Enclosure Settings

    00–77, it might be in conflict with the enclosure ID of one of the drive expansion enclosures that you are trying to attach to the DS5020. If this is the case, the amber ID Conflict LED on the storage expansion enclosure will light after you turn on the power to the storage subsystem.

  • Page 111: Configuring The Storage Subsystem

    Serial cable adapter (RoHS) in “Parts listing” on page 166 for the FRU P/N.) 2. To minimize security risks, do not connect the DS5020 in a public LAN or public subnet. Use a local private network for the DS5020 and the management station Ethernet ports.

  • Page 112: Storage Subsystem Management Methods

    Depending on the controller firmware version for your subsystem, refer to the following guides for more information about setting up in-band or out-of-band management connections: v IBM System Storage DS Storage Manager Version 10 Installation and Host Support Guide (for storage subsystems with controller firmware version earlier than 7.8x.xx.xx) v IBM System Storage DS Storage Manager Version 10.8 Installation and Host...

  • Page 113: Direct (Out-Of-Band) Management Method

    DS Storage Manager Installation, User's and Maintenance Guide for the applicable operating system for more information about setting the management connections and installing the DS5020 storage subsystem management software. For a listing of default IP addresses, see “Connectors, switch, and enclosure ID” on page 10.

  • Page 114: Connecting Hosts To The Ds5020 Using Fibre Channel Host Ports

    RAID controllers A and B. Using the Fibre Channel switches, up to 512 hosts can be redundantly attached to the DS5020 storage subsystem in a Fibre Channel SAN fabric.
  • Page 115 3. Repeat steps 1 on page 84 and 2 on page 84 for each additional redundant host connection. You can create two redundant host connections for the DS5020 storage subsystem, as shown in Figure 55 on page 86, or a maximum of four redundant host connections (not shown). With four redundant host connections, you can have a connection to a DS5020 Fibre Channel host bus adapter or to Fibre Channel switch ports.

  • Page 116: Fibre Channel And Iscsi Connections

    87. Fibre Channel and iSCSI connections A DS5020 storage subsystem Fibre Channel connection consists of up to four host Fibre Channel loops and a redundant drive Fibre Channel loop. The host Fibre Channel loops provide the fibre path for host attachment. They can consist of Fibre Channel cables, SFPs, host bus adapters, Fibre Channel switches, and RAID controllers.

  • Page 117: Fibre Channel Host Loop Configurations

    Channel storage subsystem through switches. The illustrations in the following sections show common host system configurations when you connect to the DS5020 Fibre Channel host ports. See “iSCSI configurations” on page 90 for more information about host connections through iSCSI.

  • Page 118: Example Of A Single San Fabric Configuration

    Figure 57. Example of a single SAN fabric configuration In Figure 58 on page 89, the Fibre Channel switches are connected together via the inter-switch link (ISL) to form a dual SAN fabric. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 119 Switch Switch DS5020 DS5020 Figure 59. Example of two storage subsystems in a dual SAN environment Figure 60 on page 90 shows an example of a two-cluster configuration. Chapter 3. Cabling the storage subsystem...

  • Page 120: Iscsi Configurations

    Multiple-host, multiple-port, multiple-switch configuration, as shown in Figure 65 on page 94 Notes: 1. The DS5020 does not support direct connections from the host systems to the iSCSI ports on the storage subsystem. 2. The DS5020 does not support connections to both iSCSI and Fibre Channel ports from the same host system.

  • Page 121: Example Of A Single-Host, Multiple-Port Configuration

    3. The following illustrations do not accurately represent the controller locations or port locations in the DS5020. The illustrations are for illustration purposes only. Figure 61 shows an example of a multiple port, single-host configuration. A system that uses multiple iSCSI ports can provide enhanced performance compared to a single-port iSCSI connection.
  • Page 122 Ethernet switch switch Fibre iSCSI Channel ports ports Controller A Controller B Fibre iSCSI Channel ports DS5020 ports Figure 63. Example of iSCSI and Fibre Channel hosts, multiple-port configuration IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 123: Example Of An Incorrect Configuration: Single-Host, Iscsi And Fibre Channel

    Controller B Fibre iSCSI Channel ports DS5020 ports Figure 64. Example of an incorrect configuration: Single-host, iSCSI and Fibre Channel Figure 65 on page 94 shows an example of a multiple-host, multiple-port, multiple-switch configuration. Chapter 3. Cabling the storage subsystem...

  • Page 124: Installing The Storage Subsystem Configuration

    4. Continue with “Powering on the storage subsystem” on page 97 for the initial startup of the storage subsystem. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 125: Chapter 4. Operating The Storage Subsystem

    Performing the DS5020 Health Check process The DS5020 Health Check process is a sequence of suggested actions developed by IBM to help users verify and maintain the optimal performance of their DS5020 storage configurations. The information that you collect in these steps also helps provide IBM Service with important information needed for problem troubleshooting during IBM Service calls.

  • Page 126: Web Pages

    4. Use the Storage Subsystem Profile or DS5020 Profile to verify that the following functions are enabled: v For the DS5020 and all DS4000 models, Media Scan is enabled both at the controller level and at the LUN level. v For the DS5020 and all DS4000 models, the read/write cache is enabled. In addition, use the Storage Subsystem Profile to verify that cache is matched between the controllers.

  • Page 127: Powering On The Storage Subsystem

    This section contains instructions for turning the storage subsystem on under normal and emergency situations. When you turn on and turn off the DS5020, be sure to use the startup sequence in this section. If you are turning on the storage subsystem after an emergency shutdown or power outage, see “Restoring power...
  • Page 128 Attention: You must turn on power to each attached storage expansion enclosure before turning on power to the DS5020 storage subsystem to make sure that the controllers recognize all drives in the configuration during the startup process.

  • Page 129: Installing The Ds Storage Manager Client

    Assemble any additional items in preparation for software installation. These items might include the following: v HBA drivers v Controller firmware version listed at the IBM System Storage Support Web site: http://www.ibm.com/systems/support/storage/disk v IP addresses for RAID controllers (for in-band management only)

  • Page 130: Monitoring Status Through Software

    DS Storage Manager guide for your operating system. Save the profile in a location other than the logical drives created for the DS5020. Always refer to the readme that is included with the DS5020 storage subsystem firmware package (whether the firmware is accessed by the Web or DVD) for any special requirements or restrictions that apply to that particular firmware version.

  • Page 131: Finding Controller, Storage Expansion Enclosure, And Drive Information

    In addition, to download the latest version of the DS Storage Manager host software, the DS5020 storage subsystem controller firmware and NVSRAM, and the latest storage expansion enclosure ESM firmware, go to the following Web site: http://www.ibm.com/systems/support/storage/disk The DS Storage Manager client provides the best way to diagnose and repair storage-server failures.

  • Page 132: Firmware Updates

    ESM firmware upgrades. Save the DS5020 storage subsystem profile and all configuration (*.cfg) files to a server disk that will remain accessible in the event of a DS5020 storage configuration failure. Do not save these files only to a LUN in the DS5020 storage subsystem.

  • Page 133: Checking The Leds

    Blue LED on a CRU indicates that is safe to remove the component The DS5020 storage subsystem also has a blue Global Locate LED that is lit when the menu function is selected in the Subsystem Management window, causing the LOCATE command to be sent to the DS5020.

  • Page 134: Front Leds

    Service Action Allowed (OK to Remove) Service Action Required (Fault) Direct Current Enabled Front LEDs This section describes the primary LEDs and controls on the front of the DS5020 storage subsystem. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 135: Battery Unit Leds

    Drive Drive Global Global Global Link activity fault locate summary power rate fault switch Figure 67. Front LEDs and controls Table 15. Front LEDs and controls Normal Status Problem Status Drive Activity LED On (not flashing) - No data is being processed Flashing - Data is being processed...

  • Page 136: Controller Leds

    The Global Power, Global Summary Fault, and Global Locate LEDs are general indicators for the entire DS5020 storage subsystem (or configuration, in the case of the Global Summary Fault). The Global Summary Fault LED turns on if a fault condition is detected in any component in the storage subsystem configuration, including all attached storage expansion enclosures.

  • Page 137: Leds, Controls, And Connectors Of Controllers With Two Standard Fibre Channel Host Expansion Channels

    Diagnostic Heartbeat Service Service action action Cache allowed required active Host channel Host channel Drive channel Ethernet link speed - L1 LED speed - L2 LED port bypass LED activity LED Drive channel Ethernet link speed LED speed LED Figure 69. LEDs, controls, and connectors of controllers with two standard Fibre Channel host expansion channels Diagnostic Heartbeat...

  • Page 138: Leds, Controls, And Connectors Of Controllers With Two Standard Fibre Channel Host Expansion Channels And Two Optional Iscsi Host Expansion Channels

    See Table 18 on page 109. Host Channel Speed - L2 See Table 18 on page 109. Ethernet Link Speed On - 1 Gbps Not applicable Off - 100 Mbps IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 139: Seven-Segment Numeric Display Leds

    The host is operating at 2 Gbps. The drive channel is operating at 1 Gbps. Note: This pattern is not applicable in the drive port because the DS5020 does not support 1 Gbps Fibre Channel speed. The host is operating at 4 Gbps. The drive channel is operating at 2 Gbps.

  • Page 140: Numeric Display Leds

    Persistent hardware errors Suspended Persistent data protection errors Suspended ACS failure Suspended Unsupported host card Suspended Submodel identifier not set or mismatched Suspended Memory configuration error Suspended Link speed mismatch IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 141: Powering Off The Storage Subsystem

    (start-of-day). Powering off the storage subsystem The DS5020 is designed to run continuously. After you turn it on, do not turn it off. Turn off the power only in the following situations: v Instructions in a hardware or software procedure require that you turn off the power.
  • Page 142 3. Turn off power to other supporting devices (for example, management stations, Fibre Channel switches, or Ethernet switches). Note: You do not need to perform this step if you are servicing only the storage subsystem. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 143 Recovery Guru. This action reruns the Recovery Guru to make sure that the problem has been fixed. d. If the problem has not been fixed, contact your IBM service representative. Do not turn off power until all problems are corrected.

  • Page 144: Performing An Emergency Shutdown

    10. Remove (unplug) all of the power cords from the DS5020 power supply connectors. 11. After you perform the necessary maintenance procedures, turn on the power using the procedure in “Turning on the storage subsystem”...
  • Page 145 4. Turn on the power to each device, based on the startup sequence. 5. Turn on any attached disconnect devices. 6. Turn on both of the power supply switches on the DS5020. The green LEDs on the front and the back of the DS5020 remain lit. If other amber Fault LEDs light, see “Solving problems”...

  • Page 146: Recovering From An Overheated Power Supply And Fan Unit

    1. Remove the front cover. 2. If applicable, mute the alarm. 3. Did you use the procedure “Troubleshooting the storage subsystem ” on page 102 to identify an overheating problem? IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 147 CAUTION: The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device. The DS5020 storage subsystem might also have more than one connection to power. To remove all electrical current from the device, ensure that all power cords are disconnected from the power supply and fan unit input connectors.

  • Page 148: Cache Memory And Cache Battery

    13. Replace the bezel on the storage expansion enclosure, if applicable. Cache memory and cache battery Each RAID controller in the DS5020 storage subsystem contains either 1 GB or 2 GB of cache memory to store read and write operations. (Both RAID controllers in the DS5020 must have the same amount of cache memory.) The battery unit...

  • Page 149: Subsystem Cache Battery

    If caching is enabled and the Cache Active LED never comes on during I/O activity, it indicates one of the following conditions: v The cache memory from either controller A or controller B has failed. v The cache sizes in controller A and controller B are not the same. v The battery has failed.
  • Page 150 Repair or disassemble Dispose of the battery as required by local ordinances or regulations. Replace the battery units in the DS5020 when they are identified as failing by the DS Storage Manager Subsystem Management window, or when the Battery LEDs or Battery Needs Attention LEDs light.

  • Page 151: Battery Unit Leds

    interruption is caused if you remove the battery from the controller chassis, reset the power to the storage subsystem, or if a storage expansion enclosure or battery overheats. Data caching starts after the battery is charged to the programmed voltage level, which occurs when the storage subsystem power is first turned on, when a new battery is installed to replace a failed battery, or when the subsystem power is turned on after months of inactivity.
  • Page 152 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 153: Chapter 5. Replacing Components

    CRU, battery unit, SFP module, and midplane. Attention: Always replace a failed component as soon as possible. The Recovery Guru menu function in the DS5020 storage subsystem identifies failed components. Handling static-sensitive devices Attention: Static electricity can damage electronic devices and your system. To avoid damage, keep static-sensitive devices in their static-protective packages until you are ready to install them.

  • Page 154: Replacing A Controller

    DS5020 chassis. Note: The DS5020 storage subsystem controller FRU is not compatible with the DS4200 Express or DS4700 storage subsystem controller FRU. See the “Parts listing”...
  • Page 155 Electrostatic discharge can damage sensitive components. Touching the storage subsystem or its components without using a proper ground might damage the equipment. To avoid damage, use proper anti-static protection while handling any components. 4. Put on anti-static protection. 5. Unpack the new controller. Save all packing materials in the event you need to return the new controller.

  • Page 156: Unlocking The Sfp Module Latch - Plastic Variety

    8. Squeeze the controller latch and pull the lever open 90° (so that the lever is horizontal) to release the controller from the latch. The controller latch is a coral colored tab on the lever. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 157: Removing A Controller From The Ds5020

    Lever Figure 77. Removing a controller from the DS5020 10. If the new controller does not have the cache battery backup unit already installed, follow the instructions in “Replacing a battery unit” on page 147 to remove the cache backup battery from the existing controller unit and insert it into the new controller CRU.

  • Page 158: Installing Hard Disk Drives

    Before you begin, ensure that you wear an anti-static wrist strap. To install a hot-swap Fibre Channel (FC), Serial Attached SCSI (SAS) hard disk drive or a Serial ATA (SATA) hard drive in an IBM DS3000, DS4000, or DS5000 storage subsystem: 1.

  • Page 159: Working With Hot-Swap E-Ddms

    3. Install additional hard disk drives in the ascending drive slot order. Attention: To prevent damage to the drive enclosure: v For drive enclosures without disk drawers, do not force the drive into the drive slot at an angle. Ensure that you carefully insert each hard disk drive straight into the drive slot (horizontal or vertical).
  • Page 160 E-DDM CRU inserted. v E-DDM CRUs: – The DS5020 storage subsystem supports 4 Gbps Fibre Channel, SATA, and FC-SAS E-DDMs. The link rate setting speed must be set accordingly. See “Verifying the link rate setting” on page 140 for more information.
  • Page 161 Before you turn on the power to the DS5020 storage subsystem, it must be populated with at least two E-DDMs. If at least two E-DDMs are not installed in the DS5020, an insufficient load to the enclosure power supplies might cause them to intermittently appear as failed, falsely indicating the power supplies are bad.

  • Page 162: Installing Hot-Swap E-Ddms

    E-DDMs are known as hot-swap E-DDMs. Installing hot-swap E-DDMs With the exception of the DS5020 storage subsystem initial power on, add E-DDMs while the storage subsystem is turned on and running. Before you begin, ensure that you wear an anti-static wrist strap.

  • Page 163: Replacing Hot-Swap E-Ddms

    If you are replacing an E-DDM that is part of a configured array and logical drive, make sure that you install the replacement E-DDM in the correct bay. Check the hardware and software documentation that is provided with your DS5020 to see if there are restrictions regarding E-DDM configurations.

  • Page 164: Replacing Multiple E-Ddms

    This method requires that you back up the data on the affected E-DDMs and then turn off the DS5020 storage subsystem. Attention: Turn off the DS5020 storage subsystem before you turn off the attached storage expansion enclosures. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 165: Replacing All E-Ddms At The Same Time

    138. Using this method, you can replace the E-DDMs while the storage expansion enclosures and the DS5020 are running, eliminating the down time that is required if you replace all the E-DDMs at once. However, this method is more risky because you can lose data if the drive restoration or storage subsystem reconfiguration process fails.
  • Page 166 Compare the kit instructions with this procedure to determine if you need to modify this procedure. 2. Use the DS Storage Manager software to check the status of the DS5020. Correct any problems that are reported. Upgrade the storage subsystem controller to the level that supports the new E-DDMs, if required.
  • Page 167 CAUTION: The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device. The DS5020 storage subsystem might also have more than one connection to power. To remove all electrical current from the device, ensure that all power cords are disconnected from the power supply and fan unit input connectors.

  • Page 168: Replacing The E-Ddms One At A Time

    E-DDM you want to replace. If the array is in degraded state, use the recovery procedures to bring the array into the optimal state. Make sure of the following: IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 169 v You fail only one E-DDM. v The software status display shows a failed status for the applicable E-DDM. v The amber Drive fault LED (on the front bezel below the E-DDM) is on. Attention: Removing the wrong E-DDM can cause data loss. Make sure that you remove only the failed E-DDM CRU.

  • Page 170: Verifying The Link Rate Setting

    Verifying the link rate setting Important: Make sure that the link rate for the DS5020 is always set to 4 Gbps. The DS5020 supports only 4 Gbps FC drives. If a link rate problem is indicated, use the following procedure to verify the link rate setting.

  • Page 171: Link Rate Leds

    Gbps. The DS5020 supports only 4 Gbps FC drives. 3. Is the data transfer rate set correctly? Note: Make sure that the link rate for the DS5020 is always set to 4 Gbps. v Yes - Go to step 8 on page 142.

  • Page 172: Replacing An Ac Power Supply And Fan Unit

    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 System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 173 The power supply and fan unit is a component that includes both a 600-W power supply unit and two fans. The power supply and fan units provide power and cooling for the DS5020. The power supply and fan units are customer replaceable units (CRUs) and do not require preventive maintenance. Use only the supported power supply and fan units for your specific storage subsystem.
  • Page 174 LED is off. For more information about the Service Action Allowed LED, see “Service Action Allowed Status LED” on page 123. Statement 1: IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 175 DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. v Connect all power cords to a properly wired and grounded electrical outlet.

  • Page 176: Replacing A Power Supply And Fan Unit

    The left and right power supply and fan units are seated in the DS5020 chassis in opposite orientations. If you cannot fully insert the power supply and fan unit into the power supply and fan unit bay, flip it 180° and reinsert it.

  • Page 177: Replacing A Battery Unit

    If the above tasks do not resolve the problem, contact IBM Customer and Technical Support 17. Complete any remaining Recovery Guru procedures, if needed. 18. Check the status of each component in the storage subsystem. 19. Do any components have a Needs Attention LED? v Yes - Select the Recovery Guru toolbar button in the Subsystem Management window and complete the recovery procedure.

  • Page 178: Removing And Replacing A Battery Unit From The Controller Chassis

    5. To remove the failed battery unit from the RAID controller, press the orange battery unit latch toward the black battery handle to unlatch the battery from the DS5020 chassis and slowly pull the battery unit from the controller chassis using the handle, as shown in Figure 86.

  • Page 179: Replacing An Sfp Module

    However, users should contact their municipal waste disposal facility prior to discarding any used battery in normal trash. Alternatively, you can return Lithium, Lithium Ion and Lithium Ion battery packs to IBM for recycling. In the United States, IBM has established a collection process for reuse, recycling, or proper disposal of used IBM Lithium, Lithium Ion and Lithium Ion battery packs.
  • Page 180 Fibre Channel port in which the SFP is installed. For example, a 4 Gbps SFP that is plugged into an 8 Gbps-capable port will limit the speed of that port to a maximum of 4 Gbps. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 181: Replacing An Sfp Module

    Bypass LED and Fault LED are off - Go to step 12. 12. Is the problem corrected? v Yes - Go to step 13. v No - Contact IBM Support. 13. Complete any remaining Recovery Guru procedures, if needed. 14. Use the DS Storage Manager Subsystem Management window to check the status the status of all components in the storage subsystem.

  • Page 182: Replacing A Midplane

    Perform the following steps to replace a midplane: 1. Complete the power-off sequence described in “Turning off the storage subsystem” on page 111 to make sure that the DS5020 storage subsystem is turned off before any attached storage expansion enclosures.

  • Page 183: Front Cage Frame Screw Locations

    10. On the back of the DS5020, remove the four Phillips screws (two screws on each side) that hold the sides of the DS5020 chassis to the sides of the rails. 11. On the front of the DS5020, remove the four M5 screws (two screws on each side) on the DS5020 chassis that hold the DS5020 to the rails.
  • Page 184 Note: The front cage frame might be tightly secured in the chassis. Mount the DS5020 chassis back in the rack using the four M5 screws to hold the DS5020 chassis in place while you pull on the blue handle to separate the front cage frame from the chassis.
  • Page 185 23. Turn on the power to the attached storage expansion enclosures. 24. Wait at least 3 minutes and then turn on the power to the DS5020 storage subsystem. Verify the status of the configuration using LEDs and the DS Storage Manager client program.
  • Page 186 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 187: Chapter 6. Hardware Maintenance

    For instructions on how to obtain service and technical assistance for your storage subsystem and other IBM products, see “Getting information, help, and service” on page xxiv.
  • Page 188 DS4200 and Recovery Guru to verify that Express FRU is the correct controller FRU is inserted into a used. Replace with the correct DS5020 chassis. DS5020 controller FRU. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 189 Open the DS5020 Storage LED) fault (continued) Subsystem Management window and click the Recovery Guru to see problems in the DS5020 configuration. Some errors will cause the Global Summary Fault LED to be lit but will not cause any individual CRU Fault LEDs to be lit.
  • Page 190 AC power failure Check the main circuit breaker and ac outlet. Power supply failure Replace the power supply. Operating Cool down the environment. environment is too IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 191 (hard drive or bad cable) or indirectly related to the DS5020 storage subsystem configuration (such as a Fibre Channel host bus adapter failure in the host server or the Fibre...
  • Page 192 Hardware failure If any other LEDs are lit, replace the midplane. Contact an IBM technical support representative. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 193 Power supply failure Check the power supply Fault LED on the power supply. If the LED is lit, replace the failed CRU. Midplane failure Have the midplane replaced. Contact an IBM technical support representative. Chapter 6. Hardware maintenance...
  • Page 194 19. A controller has Replace the failed controller and failed in addition to ESM. the ESM failure in the drive channel that originates from the functioning controller. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 195 32 attached to the necessary feature drives, which includes 16 drives storage options to support in the DS5020 chassis and the subsystem the storage 16 more drives if an EXP520 expansion storage expansion enclosure is enclosures.

  • Page 196: Parts Listing

    Figure 90 and provides a parts listing for the DS5020. Figure 90. DS5020 storage subsystem parts list Table 23. Parts listing (DS5020 storage subsystem) Index DS5020 storage subsystem CRU P/N Rail kit 41Y5152 Battery 59Y5260 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 197 Table 23. Parts listing (DS5020 storage subsystem) (continued) Index DS5020 storage subsystem CRU P/N Controller, 1 GB memory, two standard 8 59Y5251 Gbps FC host ports, two standard 4 Gbps FC drive channel ports Controller, 1 GB memory, two standard 8...
  • Page 198 E-DDM, FC-SAS, 300 GB 10,000 RPM drive 81Y2406 module E-DDM, FC-SAS, 900 GB 10,000 RPM drive 81Y2464 module E-DDM, FC-SAS, 3 TB 7,200 rpm 3.5” Disk 81Y2458 drive module IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 199: Determining Basic Information Of Drive Frus

    39M5377 Determining basic information of drive FRUs IBM might ship drive FRUs of higher capacity than that of the drive FRUs they replace. These new drives are programmed in manufacturing to give the same capacity as the drive FRUs being replaced.
  • Page 200 Refer to the drive properties given here. Do not refer to the drive properties given here. Figure 91. An IBM hologram label example IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 201: Appendix A. Records

    Appendix A. Records Whenever you add options to your DS5020, be sure to update the information in this appendix. Accurate, up-to-date records make it easier to add other options and provide needed data whenever you contact your IBM technical support representative.

  • Page 202: Storage Subsystem And Controller Information Record

    For a sample information record, see Table 25 on page 173. Table 24. Storage subsystem and controller information record Storage subsystem Management Controllers-Ethernet and IP Host-IP address name method addresses, and host name and host name IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 203: Sample Information Record

    Sample information record Table 25 shows a sample information record. This network contains storage subsystems that are managed by using both the direct-management and host-agent-management method. Table 25. Sample information record Storage Management Controllers-Ethernet and IP Host-IP address subsystem name method addresses, and host name and host name...

  • Page 204: Installed Device Records

    If you replace a hard disk drive in the wrong drive bay it might cause a loss of data. Table 26. Hard disk drive record Replaced hard disk drive serial Bay number Hard disk drive serial number number IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 205: Appendix B. Rack Mounting Templates

    DS5020 to a rack. The locations for the M5 screws are highlighted in the templates. The DS5020 is 3 U high. Align the template with the rack at a U boundary. U boundaries are shown as horizontal dashed lines in the rack mounting templates.

  • Page 206: Front Rack Mounting Template

    Figure 92. Front rack mounting template IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 207: Rear Rack Mounting Template

    DS5020 REAR Rack Mounting Template Rail mounting guide Rail assembly Rail assembly (Rear Left) (Rear right) ® Printed in the U.S.A Figure 93. Rear rack mounting template Appendix B. Rack mounting templates...
  • Page 208 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 209: Appendix C. Specifications For Non-Ibm Rack Installation

    The general safety requirements for IBM products installed in non-IBM racks are: 1. Any product or component that plugs into either an IBM power distribution unit or mains power (via a power cord), or uses any voltage over 42 V ac or 60 V...
  • Page 210 10. The rack or cabinet configuration must comply with all IBM requirements for "safe to service" (contact your IBM Installation Planning Representative for assistance in determining if the environment is safe).

  • Page 211: Rack Specifications

    OSHA- and CSA- approved nonconductive step ladder (unless other arrangements have been made with the local IBM Service Branch Office). Products installed over 2.9 m (9 ft.) above the floor requires a Special Bid to be completed before they can be serviced by IBM service personnel.

  • Page 212: Top View Of Non-Ibm Rack Specifications Dimensions

    44.45 mm (1.75 in.) apart on center). The front and rear mounting flanges in the rack or cabinet must be 719 mm (28.3 in.) apart and the internal width bounded by the mounting flanges at least 494 mm (19.45 in.), for the IBM ™...

  • Page 213: Rack Specifications Dimensions, Top Front View

    Rack Figure 96. Rack specifications dimensions, bottom front view 2. The rack or cabinet must be capable of supporting an average load of 15.9 kg (35 lb.) of product weight per EIA unit. Appendix C. Specifications for non-IBM rack installation...
  • Page 214 You must use the IBM mounting rails that are shipped with the IBM product to install it in the rack. The mounting rails that ship with IBM products have been designed and tested to safely support the product during operation and service activities as well as to safely support the weight of your drawer or device.
  • Page 215 The perforations should yield at least 34 percent minimum open area per square inch. Appendix C. Specifications for non-IBM rack installation...
  • Page 216 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 217: Appendix D. Power Cords

    Appendix D. 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. IBM power cords used in the United States and Canada are listed by Underwriter's Laboratories (UL) and certified by the Canadian Standards Association (CSA).
  • Page 218 Republic, Tajikistan, Tahiti, Togo, Tunisia, Turkey, Turkmenistan, Ukraine, Upper Volta, Uzbekistan, Vanuatu, Vietnam, Wallis and Futuna, Yugoslavia (Federal Republic of), Zaire 39Y7918 9821 Power Cord (250v, Denmark 10A, 2.8m) IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 219 Table 27. IBM power cords (continued) IBM power cord Feature Used in these countries or part number code Description regions 39Y7923 9825 Power Cord (250v, Abu Dhabi, Bahrain, Botswana, 10A, 2.8m) Brunei Darussalam, Channel Islands, Cyprus, Dominica, Gambia, Ghana, Grenada, Guyana, Hong...
  • Page 220 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 221: Appendix E. Additional Ds5020 Documentation

    For educational information about the DS5020 and other IBM System Storage products, go to http://ibmdsseriestraining.com/. The following tables present an overview of the IBM System Storage DS Storage Manager, storage subsystem, and storage expansion enclosure product libraries, as well as other related documents. Each table lists documents that are included in the libraries and what common tasks they address.

  • Page 222: Ds5020 Storage Subsystem Library

    Serial ATA Intermix Premium Feature Installation Overview DS5020 storage subsystem library Table 29 associates each document in the DS5020 storage subsystem library with its related common user tasks. Table 29. DS5020 storage subsystem document titles by user tasks Title User Tasks...

  • Page 223: Ds4800 Storage Subsystem Library

    Diagnosis and Installation Installation Administration Maintenance IBM System Storage DS4800 Storage Subsystem Installation, User's and Maintenance Guide IBM System Storage Quick Start Guide, Quick Reference for the DS4800 IBM TotalStorage DS4800 Controller Cache Upgrade Kit Instructions Appendix E. Additional DS5020 documentation...

  • Page 224: Ds4700 Storage Subsystem Library

    3, and 4 also for installing the EXP810 and EXP420 IBM TotalStorage DS4500 Storage Subsystem Installation, User's, and Maintenance Guide IBM TotalStorage DS4500 Storage Subsystem Cabling Instructions IBM TotalStorage DS4500 Rack Mounting Instructions IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 225: Ds4500 Storage Subsystem Library

    Planning Hardware Software Configuration Operation and Diagnosis and Installation Installation Administration Maintenance IBM TotalStorage DS4500 Storage Subsystem Installation, User's, and Maintenance Guide IBM TotalStorage DS4500 Storage Subsystem Cabling Instructions IBM TotalStorage DS4500 Rack Mounting Instructions Appendix E. Additional DS5020 documentation...

  • Page 226: Ds4400 Storage Subsystem Library

    Administration Maintenance IBM TotalStorage DS4400 Fibre Channel Storage Server User's Guide IBM TotalStorage DS4400 Fibre Channel Storage Server Installation and Support Guide IBM TotalStorage DS4400 Fibre Channel Cabling Instructions IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 227: Ds4300 Storage Subsystem Library

    IBM TotalStorage DS4300 Rack Mounting Instructions IBM TotalStorage DS4300 Storage Subsystem Cabling Instructions IBM TotalStorage DS4300 SCU Base Upgrade Kit IBM TotalStorage DS4300 SCU Turbo Upgrade Kit IBM TotalStorage DS4300 Turbo Models 6LU/6LX Upgrade Kit Appendix E. Additional DS5020 documentation...

  • Page 228: Ds4200 Express Storage Subsystem Library

    Installation, User's and Maintenance Guide IBM System Storage Quick Start Guide, Quick Reference for the DS4700 and DS4200, Sections 2, 3, and 4 also for installing the EXP810 and EXP420 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 229: Ds4100 Storage Subsystem Library

    Table 36. DS4100 storage subsystem document titles by user tasks Title User Tasks Planning Hardware Software Configuration Operation and Diagnosis and Installation Installation Administration Maintenance IBM TotalStorage DS4100 Storage Server Installation, User's and Maintenance Guide IBM TotalStorage DS4100 Storage Server Cabling Guide Appendix E. Additional DS5020 documentation...

  • Page 230: Ds5000 And Ds4000 Storage Expansion Enclosure Documents

    User's Guide IBM System Storage DS4000 EXP420 Storage Expansion Enclosure Installation, User's, and Maintenance Guide IBM System Storage DS4000 Hard Drive and Storage Expansion Enclosures Installation and Migration Guide IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 231: Other Ds5000 And Ds4000-Related Documents

    Setup Guide Notes: 1. The IBM TotalStorage DS4000 Hardware Maintenance Manual does not contain maintenance information for the IBM System Storage DS4100, DS4200, DS4300, DS4500, DS4700, or DS4800 storage subsystems. You can find maintenance information for these products in the IBM System Storage DSx000 Storage Subsystem Installation, User's, and Maintenance Guide for the particular subsystem.
  • Page 232 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 233: Appendix F. Accessibility

    Move keyboard focus to main menu bar and post first menu; use the arrow keys to navigate through the available options. Alt+F4 Close the management window. Alt+F6 Move keyboard focus between dialogs (non-modal) and between management windows. © Copyright IBM Corp. 2009, 2012...
  • Page 234 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 System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...

  • Page 235: 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 236: Trademarks

    International Business Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the web at Copyright and trademark information at www.ibm.com/legal/copytrade.shtml.

  • Page 237: Important Notes

    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 might differ from its retail version (if available) and might not include user manuals or all program functionality.

  • Page 238: Documentation Format

    In the request, be sure to include the publication part number and title. When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you.

  • Page 239: Industry Canada Class A Emission Compliance Statement

    Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. IBM is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.
  • Page 240 EU-Mitgliedsstaaten und hält die Grenzwerte der EN 55022 Klasse A ein. Um dieses sicherzustellen, sind die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben. Des Weiteren dürfen auch nur von der IBM empfohlene Kabel angeschlossen werden. IBM übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen, wenn das Produkt ohne Zustimmung der IBM verändert bzw.

  • Page 241: Japan Voluntary Control Council For Interference (Vcci) Class A Statement

    Japan Voluntary Control Council for Interference (VCCI) Class A Statement Translation: This is a Class A product based on the standard of the VCCI Council. If this equipment is used in a domestic environment, radio interference may occur, in which case, the user may be required to take corrective actions. Japan Electronics and Information Technology Industries Association (JEITA) Statement Japanese Electronics and Information Technology Industries Association (JEITA)

  • Page 242: People's Republic Of China Class A Electronic Emission Statement

    People's Republic of China Class A Electronic Emission Statement Taiwan Class A Electronic Emission Statement Taiwan Contact Information IBM Taiwan Product Service Contact Info: IBM Taiwan Corporation 3F, No 7, Song Ren Rd., Taipei Taiwan Tel: 0800-016-888 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 243 If you do not find the term you are looking for, see advanced technology (AT) bus architecture. A bus the IBM Glossary of Computing Terms located at standard for IBM compatibles. It extends the XT bus the following Web site: architecture to 16 bits and also allows for bus mastering, although only the first 16 MB of main www.ibm.com/ibm/terminology...
  • Page 244 (N_port) identifier for the fibre-channel (FC) device. It is I/O to the controllers during the process. not used in the Fibre Channel-small computer system CRC. See cyclic redundancy check. IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 245 A group of storage expansion enclosures are automatic ESM firmware synchronization. When connected to the DS5020 storage subsystems using a you install a new ESM into an existing storage drive channel from each controller. This pair of drive...
  • Page 246 Early scene, often of a desktop, by combining high-resolution versions had an 8-bit data path, later expanded to 16 bits. The "Extended Industry Standard Architecture" IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 247 (IDE). A disk drive partition is the same size as the physical partitions in its interface based on the 16-bit IBM personal computer volume group. Unless the logical volume of which it is a Industry Standard Architecture (ISA) in which the...
  • Page 248 10 peripherals (video, disk, network, and so on). NMI. See non-maskable interrupt. The PCI bus coexists in the PC with the Industry Standard Architecture (ISA) or Extended Industry IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 249 (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 250 (SFP). An optical group, the host computer, and host-port nodes. The transceiver that is used to convert signals between host port, host computer, and host group topological IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 251 elements must be defined to grant access to host Transmission Control Protocol (TCP). A computers and host groups using logical drive-to-LUN communication protocol used in the Internet and in any mappings. network that follows the Internet Engineering Task Force (IETF) standards for internetwork protocol. TCP striping.
  • Page 252 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 253 DS5020 and three storage expansion about this document xix enclosures 64 ac power cords and receptacles 26 one DS5020 and two or more storage expansion ac power recovery 26 enclosures in a mixed configuration 68 ac power requirements 26...
  • Page 254 135, 138 DS4500 hard disk drive, removal 41 Storage subsystem library 195 hard disk drives DS4800 installing 128 Storage subsystem library 193, 194 hardware fault indicator LEDs 103 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 255 LED 118 size of 118 midplane IBM Safety Information 201 replacing 152 IBM System Storage DS5020 Migration Guide 191 battery unit 16 mixed configuration battery unit LEDs 105 cabling topologies 68 cache memory and cache battery 118...
  • Page 256 116 startup sequence 97 restoring power after an emergency 114 troubleshooting 102 RS-232 serial port 81 turn on and turn off the 97 turning off 111 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 257 AIX fix delivery center xxvi DS4000 and DS5000 interoperability matrix xxvi DS4000 and DS5000 storage subsystems xxv DS4000 and DS5000 technical support xxvi IBM publications center xxvi IBM System Storage products xxv list xxv premium feature activation xxvi readme files xxv SAN support xxvi...
  • Page 258 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide...
  • Page 260 Part Number: 00Y5047 Printed in USA GA32-0954-03...

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