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

Other manuals for System Storage DS5020: Installation Manual, Overview, Hardware Manual
Manual is about: Midrange System Storage DS4000/DS5000 series

Summary of System Storage DS5020

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    Ibm system storage ds5020 storage subsystem installation, user’s, and maintenance guide ga32-0954-03.

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    Ibm system storage ds5020 storage subsystem installation, user’s, and maintenance guide ga32-0954-03.

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    Note: 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 a...

  • Page 5: Contents

    Contents figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ix tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . Xi safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . Xiii about this document . . . . . . . . . . . . . . . . . . . . . . Xix who should read this d...

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    Shock and vibration requirements . . . . . . . . . . . . . . . . 25 acoustic noise . . . . . . . . . . . . . . . . . . . . . . . 25 electrical requirements . . . . . . . . . . . . . . . . . . . . . 25 power and site wiring requirements . . . . . . . . . . . . . . . 26 heat output, airflow, and cooli...

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    Connecting secondary interface cables . . . . . . . . . . . . . . . . 80 configuring the storage subsystem . . . . . . . . . . . . . . . . . 81 storage subsystem management methods . . . . . . . . . . . . . . 82 host-agent (in-band) management method. . . . . . . . . . . . . 82 direct (out-of-band) ...

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    Chapter 6. Hardware maintenance . . . . . . . . . . . . . . . . 157 general checkout . . . . . . . . . . . . . . . . . . . . . . . 157 solving problems . . . . . . . . . . . . . . . . . . . . . . . 157 parts listing. . . . . . . . . . . . . . . . . . . . . . . . . . 166 determining basic information...

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    Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . 213 index . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 contents vii.

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    Viii ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 11: Figures

    Figures 1. Ds5020 hot-swap drive bays . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2. Back view; controllers with two standard fibre channel host expansion channels . . . . . . . 11 3. Back view; controllers with two standard and two optional fibre channel host expansion channels 12 4. Ba...

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    51. Ethernet and serial port locations on ds5020 . . . . . . . . . . . . . . . . . . . . 81 52. Host-agent (in-band) managed storage subsystems . . . . . . . . . . . . . . . . . . 83 53. Direct (out-of-band) managed storage subsystems . . . . . . . . . . . . . . . . . . 84 54. Location of host cable...

  • Page 13: Tables

    Tables 1. Where to find ds5020 and ds4000-family installation and configuration procedures . . . . . . Xx 2. Default ip addresses and subnet masks . . . . . . . . . . . . . . . . . . . . . . 10 3. Ds5020 weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4. Ds5020 component wei...

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    Xii 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...

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    Statement 1: 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 ...

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    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. The battery contains lithium and can explo...

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    Class 1 laser product laser klasse 1 laser klass 1 luokan 1 laserlaite apparell laser de calsse 1 À iec 825-11993 cenelec en 60 825 statement 4: ≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) caution: use safe practices when lifting. Statement 5: caution: the power control button on the devi...

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    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. If you suspect a prob...

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    Cable warning: warning: handling the cord on this product or cords associated with accessories sold with this product, will expose you to lead, a chemical known to the state of california to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. Xviii ibm system stora...

  • Page 21: About This Document

    About this document this document provides instructions for installing and customizing the configuration of your ibm system storage ds5020 storage subsystem. It also provides maintenance procedures and troubleshooting information. Who should read this document this document is intended for system op...

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    Ds5020 and ds4000-family storage subsystem installation tasks - general overview for educational information about the ds5020 and other ibm system storage products, go to http://ibmdsseriestraining.Com/. Table 1 provides a sequential list of many installation and configuration tasks that are common ...

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    Table 1. Where to find ds5020 and ds4000-family installation and configuration procedures (continued) installation task where to find information or procedures 2 mount the ds5020 storage subsystem in the rack v ds4800 storage subsystem installation, user’s, and maintenance guide v ibm system storage...

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    Table 1. Where to find ds5020 and ds4000-family installation and configuration procedures (continued) installation task where to find information or procedures 4 route the storage expansion unit fibre channel cables v ds4100 storage subsystem installation, user’s, and maintenance guide v ds4200 expr...

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    Table 1. Where to find ds5020 and ds4000-family installation and configuration procedures (continued) installation task where to find information or procedures 8 zone the fabric switch (san-attached only) v ibm system storage ds storage manager version 10 installation and host support guide (for sto...

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    Table 1. Where to find ds5020 and ds4000-family installation and configuration procedures (continued) installation task where to find information or procedures 15 enable ds storage manager premium feature keys copy services premium features ds4000 storage manager copy services guide fc/sata intermix...

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    You can solve many problems without outside assistance by following the troubleshooting procedures that ibm provides in the ds storage manager online help or in the documents that are provided with your system and software. The information that comes with your system also describes the diagnostic te...

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    Http://www.Ibm.Com/systems/support/storage/disk/ system storage ds4000 and ds5000 interoperability matrix find the latest information about operating system and hba support, clustering support, storage area network (san) fabric support, and ds storage manager feature support: http://www.Ibm.Com/syst...

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    Http://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 http://www.Ibm.Com/services/ v http://www.Ibm.Com/planetwide/ hardware service and support you can receive hardware service through ibm integrated technolo...

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    Xxviii ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 31: Chapter 1. Introduction

    Chapter 1. Introduction this chapter describes the operating specifications, features, and components for the ibm system storage ds5020 storage subsystem (hereafter referred to as ds5020 or storage subsystem). This chapter also includes an inventory checklist and important information about best pra...

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    The ds5020 supports configurations of fc disks with or without full disk encryption (fde), sata disks with sata-fc interposers, solid state disks (ssd), fc-sas disks (sas disks with fc-sas interposers), or a mix of disk drives. To install fde disks in a ds5020, you must purchase the full disk encryp...

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    V four 4 gbps fc small form-factor pluggable transceivers (sfps) v dual ac power and fan units v two pdu power cords that have an iec c13 plug on one end and an iec c14 plug on the other end. V rack-mounting kit v ibm documentation cd v access to educational information about the ds5020 at http:// i...

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    Sata defined the serial advanced technology attachment (sata) interface offers increased data rate performance over parallel advanced technology attachment (ata), while maintaining the benefits of ata. Sata is designed to overcome the performance barriers that have been forecasted for current parall...

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    Note: the sfps are for the drive channel ports only, and are preinstalled in the ds5020 drive channel ports. Attention: the ds5020 does not ship with region-specific ac power cords. You must obtain the ibm-approved power cords for your region. See appendix d, “power cords,” on page 187 for the ibm-a...

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    Product updates and support notifications be sure to download the latest versions of the ds storage manager host software, ds5020 storage subsystem controller firmware, storage expansion enclosure esm firmware, and drive firmware at the time of the initial installation and when product updates becom...

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    For more information about how to complete these tasks, check the ds storage manager online help or the storage manager guide for your operating system. V during any maintenance or attended power-up procedure, carefully follow the power-up sequence listed in “powering on the storage subsystem” on pa...

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    The ds5020 supports fibre channel (fc), fiber channel solid state disk (ssd), serial attached scsi (sas), and serial ata (sata) e-ddms intermixed in the storage subsystem drive chassis. The ds5020 supports up to sixteen 4 gbps fc, 3 gbps sata, or fc-sas e-ddms. Even though various type of drives can...

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    Important: do not change the speed of a drive loop while the storage subsystem is powered on. Such a speed change will cause unpredictable results. Also, the drive expansion enclosures must be power cycled for the new speed setting to be correctly recognized. If you need to change the speed of a dri...

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    Each controller for the ds5020 has fibre channel or iscsi drive ports for connecting to the storage expansion enclosures and two ethernet ports for ds5020 subsystem management. See figure 2 on page 11, figure 3 on page 12, or figure 4 on page 12. The iscsi ports support both ipv4 and ipv6 tcp/ip add...

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    Installed) in the 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 expansio...

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    Setting up ip addresses for ds5020 storage controllers after you install ds storage manager (as described in the ds storage manager installation and support guide for your host operating system), complete one of the following procedures to set up ip addresses: v “steps for setting up the dhcp/bootp ...

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    Note: you can avoid dhcp/bootp server and network tasks either by using the default controller ip addresses, or by assigning static ip addresses to the controller, as described in the next section. Complete the following steps to set up the dhcp/bootp server and network: 1. Get the mac address from ...

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    8. If applicable, change the ip address of the ethernet port in the management station to a value that is on the same tcp/ip subnet as the controller ethernet port ip addresses that you just assigned. Exit ds storage manager, then restart. 9. Make ethernet cabling to the controller management ports....

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    Ac power supply and fan units the ds5020 storage subsystem has two removable ac power supply and fan units. Each power supply and fan unit contains one power supply and two fans. The four fans pull air through the drive from front to back across the drives. The fans provide redundant cooling, which ...

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    Battery units 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. The battery contains lithium...

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    Figure 7 shows how the battery unit slides into the battery backup slot in controller a. The backup battery unit provides power to back up the cache memory of each controller onto flash drives in the event of a power failure. Each battery unit contains a sealed, rechargeable smart lithium ion batter...

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    Information about the condition of the battery unit is conveyed by indicator leds on the front of battery unit. (“battery unit leds” on page 105 identifies the indicator leds on the battery unit and explains the conditions that each led indicates.) sfp modules statement 3: caution: when laser produc...

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    Attention: the maximum operating speed of the fibre channel port is determined by two factors: the speed of the sfp module that is installed and the speed of the fibre channel connection. For example, a 4 gbps sfp that is plugged into a 8 gbps-capable port will limit the speed of that port to a maxi...

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    Respectively. 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. Depending on the control...

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    Method two: complete the applicable procedure to obtain the specified firmware version. To obtain the controller firmware version: right-click the controller icon in the physical view pane of the subsystem management window and select properties. The controller enclosure properties window opens and ...

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    Weight the total weight of the storage subsystem depends on the number of components installed. Table 3 lists the maximum, empty, and shipping weights for the storage subsystem in different configurations. Table 4 lists the weight of each component. Table 3. Ds5020 weights unit weight maximum 1 empt...

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    Environmental requirements and specifications this section describes the environmental requirements and specifications for the ds5020 storage subsystem, including temperature and humidity, altitude, airflow and heat dissipation, shock and vibration requirements, and acoustic noise levels. Temperatur...

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    Table 8. Temperature and humidity requirements for storage subsystem in a nebs/etsi compliant environment (continued) condition parameter requirement notes: 1. In a nebs/etsi compliant environment, conditions are measured at a location 1.5 m (59 in.) above the floor and 400 mm (15.8 in.) in front of...

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    Table 10. Ds5020 power and heat dissipation parameter kva watts (ac) btu per hour ds5020 0.496 447 1529 shock and vibration requirements operational shock and operational vibration requirements are shown in this section. Operational shock: the ds5020 will be able to withstand the following shock. Su...

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    V power failures – if a total power failure occurs, the unit automatically performs a power-up recovery sequence without operator intervention after power is restored. Table 13. Ds5020 ac power requirements low range high range nominal voltage 90 to 136 vac 198 to 264 vac frequency (hertz) 50 to 60 ...

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    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...

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    28 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 59

    Chapter 2. Installing the storage subsystem this chapter provides the information that you need to install the storage subsystem into a rack cabinet. Before you begin the installation, review the safety information in “safety” on page xiii. “installation overview” provides an overview of the entire ...

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    5. Before removing the ds5020 from the shipping box, remove the components from the ds5020 chassis to lighten the unit. See “removing the crus” on page 38. 6. Record the serial number, machine type and model number, and raid controller mac addresses for your ds5020 storage subsystem in appendix a, “...

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    13. Turn on the power to the attached storage expansion enclosure and the ds5020 storage subsystem using the procedure described in “powering on the storage subsystem” on page 97. 14. Install the ds storage manager host software on the management workstation (for out-of-band management) or on the ho...

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    Note: the illustration might differ slightly from your ds5020 hardware. The host-interface cables, ethernet cables, fibre channel signal cables, and iscsi signal cables are not shown in the following illustration. Support rails ds5020 storage subsystem backup battery unit controller ac power supply ...

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    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 t...

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    V sufficient space to install the storage subsystem v enough stability to support the weight of the fully configured storage subsystem and associated systems. See “weight” on page 22 for weight specifications. Make sure that all requirements, such as floor space, air conditioning, and electrical ser...

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    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. Hold the applicable template up ...

  • Page 66

    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. The distance between eia rails, from the front to the rear of...

  • Page 67

    1. Make sure that the rack cabinet has already been installed. 2. Make sure that a stabilizer has been correctly attached to the bottom front of the rack to prevent the rack from tipping forward while the ds5020 is being installed. Refer to the installation and service guide, or equivalent, for the ...

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    V the lip on the rail lines up with the bottom of the storage subsystem (the 0u boundary in figure 14 on page 36). 5. Using a no. 2 phillips screwdriver, loosen the two screws on the left support rail that hold the two parts of the rail together. The support rails are marked as left or right. 6. Hol...

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    Installed the support rails (as listed in “installing the support rails” on page 34). Alternately, you can use these instructions to lighten the ds5020 before removing it from the shipping box. The shipping box opens to provide access to the storage subsystem crus. The ds5020 comes with a rack-mount...

  • Page 70

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

  • Page 71

    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. Do not attempt to detach the e-ddm from the...

  • Page 72

    5. Place the e-ddm cru horizontally on a level surface. Attention: do not stack e-ddm crus on top of one another. Protect the e-ddm crus from vibrations or sudden shocks. 6. Repeat step 1 through step 4 on page 41 for additional e-ddm crus. Installing the ds5020 into a rack on the support rails comp...

  • Page 73

    4. Secure the storage subsystem. Figure 20 shows how to secure the storage subsystem to the rack. A. Align the front mounting holes on each side of the storage subsystem with the mounting holes on the front of the support rails. B. Using the m4 screws that you removed in step 2 on page 42, secure th...

  • Page 74

    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 storag...

  • Page 75

    Replacing an ac power supply and fan unit 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 th...

  • Page 76

    Along the sides of the power supply and fan unit bay. After the guide pins fit into the notches and power supply and fan unit fits snugly into the slot, push the lever upward or downward 90° depending on whether the power supply fan is inserted in the left or right bay to fully latch it into place. ...

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    Chapter 3. Cabling the storage subsystem after the storage subsystem is installed in its permanent location, you must cable it to hosts, drives, and other external devices, depending on your hardware configuration. This chapter addresses the following cabling and configuration topics: v “enclosure i...

  • Page 78

    Fibre channel loop and id settings when you install a hard disk drive in the storage subsystem, the drive tray plugs into a printed circuit board called the midplane. The midplane sets the fibre channel loop id automatically, based on the enclosure id switch setting and the physical location (bay) o...

  • Page 79

    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. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts ...

  • Page 80

    – 4 gbps: 150 m (492 ft.) of 50/125 um fiber, 300 m (984 ft.) of 62.5/125 um fiber – 8 gbps: 50 m (164 ft.) of 50/125 um fiber, 150 m (492 ft.) of 62.5/125 um fiber installing sfp modules the ds5020 requires sfp modules. Sfp modules convert electrical signals to optical signals that are required for...

  • Page 81

    V do not install an sfp in any port that will not have a fiber-optic cable attached. Remove any sfp from any port that does not have fiber-optic cables attached. V the operational or redundant loop performance is not affected when you install or remove an sfp module. V you must insert the sfp module...

  • Page 82

    2. Remove the protective cap from the sfp module, as shown in figure 26. Save the protective cap for future use. 3. Remove the protective cap from the sfp port. Save the protective cap for future use. 4. Insert the sfp module into the host port until it clicks into place. See figure 27. 5. Connect a...

  • Page 83

    V for sfp modules that contain wire tabs, unlock the sfp module latch by pulling the wire latch outward 90°, as shown in figure 29. 3. With the sfp latch in the unlocked position, extract the sfp module. V for sfp modules that contain plastic tabs, slide the sfp module out of the port. V for sfp mod...

  • Page 84

    Connecting an lc-lc cable to an sfp module complete the following steps to connect an lc-lc fibre channel cable to an sfp module: statement 3: caution: when laser products (such as cd-roms, dvd drives, fiber-optic devices, or transmitters) are installed, note the following: v do not remove the cover...

  • Page 85

    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. 5. Remove the two protect...

  • Page 86

    Removing an lc-lc fibre channel cable complete the following steps to remove an lc-lc fibre channel cable: attention: to avoid damaging the lc-lc cable or sfp module, make sure that you observe the following precautions: v press and hold the lever to release the latches before you remove the cable f...

  • Page 87

    In the initial installation of the ds5020, you can add only new storage expansion enclosures to the ds5020 storage subsystem. This means there must be no existing configuration information about the storage expansion enclosures that you want to install. The ds5020 supports the attachment of up to si...

  • Page 88

    Overview of steps to connect storage expansion enclosures to a storage subsystem to connect storage expansion enclosures to the storage subsystem, perform the following steps: note: the following procedures are for "cold-case" procedures (in which the ds5020 is powered down when storage expansion en...

  • Page 89

    1. Follow the instructions in the installation, user's, and maintenance guide for your ds5000 or ds4000 storage expansion enclosure to set up and mount the storage expansion enclosures. 2. Select a cabling topology appropriate for the number of storage expansion enclosures you will connect to the ds...

  • Page 90

    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 installin...

  • Page 91

    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 u...

  • Page 92

    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...

  • Page 93

    Important: do not cable the ds5020 storage subsystem and two storage expansion enclosures as shown in figure 39. A storage array with the incorrect storage topology might appear to be functional, but incorrect cabling can potentially have unpredictable results. Ds5020 port 2, drive channel 1 port 1,...

  • Page 94

    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. 1a 1b ds5020 port 2, drive channel 1 1a 1b 1a 1b 1a 1b port 1, drive channel 1 port 1, drive channel 2 port 2, drive...

  • Page 95

    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. 1a 1b ds5020 port 2, drive channel 1 1a 1b 1a 1b 1a 1b port 1, drive channel 1 port 1, drive channel 2 port 2, drive c...

  • Page 96

    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. 1a 1b ds5020 port 2, drive channel 1 1a 1b 1a 1b 1a 1b port 1, drive channel 1 port 1, drive channel 2 port ...

  • 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 67.

  • Page 98

    Important: do not cable the storage subsystem and storage expansion enclosures as shown in figure 43. A storage array with the incorrect storage topology might appear to be functional, but incorrect cabling can potentially have unpredictable results. One ds5020 and two or more storage expansion encl...

  • Page 99

    Exp520s are denoted in the graphic as 1 while the exp810s are denoted as 2.) ds5020 storage subsystem and supported storage expansion enclosure drive cabling schemes the ds5020 supports only exp520 and exp810 storage expansion enclosures. To attach one or more exp810 storage expansion enclosures to ...

  • Page 100

    1. Do not connect a combination of more than six exp520 or exp810 storage expansion enclosures to the two ports of a dual-ported drive channel. Failure to observe this limitation might result in loss of data availability. In the ds5020 storage subsystem environment, no more than six exp520 or exp810...

  • Page 101

    13. The ds5020 supports the intermix of sata and fibre channel e-ddms within the same drive enclosure. Esm b esm a exp810 esm b esm a exp810 first exp810 storage expansion enclosure last exp810 storage expansion enclosure ds5020 esm port 1a esm port 1b esm port 1a esm port 1a esm port 1b esm port 1a...

  • Page 102

    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. Perform the following steps to create the cabling scheme shown in figure 46: 1. Connect either port 2 or port 1 of the dual-ported dri...

  • Page 103

    One ds5020 and two exp520 storage expansion enclosures figure 47 shows the cabling scheme for one ds5020 storage subsystem and two exp520 storage expansion enclosures behind both ports of a dual-ported drive channel. Perform the following steps to create the cabling scheme shown in figure 47: 1. Con...

  • Page 104

    One ds5020 and three or more exp520 storage expansion enclosures to connect three or more storage expansion enclosures to a ds5020 storage subsystem, alternately connect a storage expansion enclosure to one of the drive ports of the dual-ported drive channel then connect to the other port until all ...

  • Page 105

    4. Connect port 1b on the right esm in exp520 two to port 1 of drive channel 2 on the ds5020. 5. Connect port 1b on the left esm in exp520 three to port 1 of drive channel 1 on the ds5020. 6. Connect port 1b on the right esm in exp520 three to port 2 of drive channel 2 on the ds5020. Figure 49 on pa...

  • Page 106

    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. 2. Connect port 1a on the right esm in exp520 two to port 1b on the right esm in exp520 one. 3. Connect port 1b on the left esm in e...

  • Page 107

    5. Connect port 1a on the left esm in exp520 three to port 1b on the left esm in exp520 four. 6. Connect port 1a on the right esm in exp520 four to port 1b on the right esm in exp520 three. 7. Connect port 1b on the left esm in exp520 three to port 1 of drive channel 1 on the ds5020. 8. Connect port...

  • Page 108

    Perform the following steps to create the cabling scheme shown in figure 50: 1a 1b ds5020 port 2, drive channel 1 1a 1b 1a 1b 1a 1b port 1, drive channel 1 port 1, drive channel 2 port 2, drive channel 2 1a 1b 1b 1a 1b 1a 1b 1a 1b 1b 1a 1b 1b 1a 1a 1a exp520 one exp520 two exp520 three exp520 four e...

  • Page 109

    1. Connect port 1a on the left esm in exp520 one to port 1b on the left esm in exp520 two. 2. Connect port 1a on the right esm in exp520 two to port 1b on the right esm in exp520 one. 3. Connect port 1a on the left esm in exp520 two to port 1b on the left esm in exp520 three. 4. Connect port 1a on t...

  • Page 110

    Storage expansion enclosure settings this section provides information about storage expansion enclosure settings. For additional detail, refer to the installation, user's, and maintenance guide for your storage expansion enclosure. Fibre channel loop and id settings when you install an e-ddm in the...

  • Page 111

    Important: 1. The serial interface ports are intended to be used by service technicians to perform diagnostic operations on the storage subsystem. Incorrect use of the serial port can result in loss of data access and, in some cases, in loss of data. Do not make connections to the serial port unless...

  • Page 112

    Storage subsystem management methods before you configure the storage subsystem, determine which method of storage subsystem management you want to use. You can manage the storage subsystems in either of two ways: host-agent (in-band) management or direct (out-of-band) management. Depending on the c...

  • Page 113

    Direct (out-of-band) management method this method uses ethernet connections from a management station to each controller. You must install at least one management station. The management station can be the host or a workstation on the ethernet network. A management station will have the client soft...

  • Page 114

    Connecting hosts to the ds5020 using fibre channel host ports the ds5020 supports redundant direct attached connections to up to four hosts. To make sure that you have full protection against the loss of any one fibre channel path from the host servers to the ds5020 storage subsystem, always use red...

  • Page 115

    The sfp modules of the host bus adapters. Figure 54 shows the location on the raid controllers of the ds5020 storage subsystem where the host-system cables connect. Note: ds5020 controllers with four fibre channel host ports are shown in the following illustration. The host channel configuration in ...

  • Page 116

    For other examples of redundant host configurations, see “fibre channel host loop configurations” on page 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 fib...

  • Page 117

    Fibre channel host loop configurations you must determine how the host systems will connect to the storage subsystem. You can connect up to four host systems directly to the storage subsystem through fibre channel host ports, or you can connect more than four hosts to the fibre channel storage subsy...

  • Page 118

    In figure 57, the fibre channel switches are connected together via the inter-switch link (isl) to form a single san fabric. 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. Host system with two host adapters ds5020...

  • Page 119

    In figure 59, the fibre channel switches are not connected together. Each switch forms its own san fabric. Figure 60 on page 90 shows an example of a two-cluster configuration. Ds storage subsystem host system with two host adapters host system with two host adapters switch switch figure 58. Example...

  • Page 120

    Iscsi configurations the ds5020 storage subsystem supports 1 gbps iscsi connectivity. You must determine how the host systems will connect to the storage subsystem. The illustrations in the following sections show common iscsi host system configurations. The iscsi ports support ipv4 and ipv6 tcp/ip ...

  • Page 121

    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 enh...

  • Page 122

    Figure 63 shows iscsi and fibre channel hosts in a multiple-port configuration. Gigabit ethernet switch host 1 with a dual-port fibre channel hba ds5020 fibre channel switch controller a controller b fibre channel ports iscsi ports fibre channel ports host 2 with two single-port iscsi hbas iscsi por...

  • Page 123

    Figure 64 shows an incorrect configuration of a single host with both iscsi and fibre channel connections. Important: do not cable the storage subsystem and host systems as shown in figure 64. A storage subsystem with the incorrect storage topology might appear to be functional, but incorrect cablin...

  • Page 124

    Installing the storage subsystem configuration using the information gathered in the previous sections, install the host systems and host adapters. Notes: 1. See the documentation provided with your host adapters for installation requirements and procedures. 2. Use the correct host adapter driver. F...

  • Page 125

    Chapter 4. Operating the storage subsystem this chapter describes operating procedures for the ds5020. For information about the optimal operation of your system, see “best practices guidelines” on page 6 performing the ds5020 health check process the ds5020 health check process is a sequence of sug...

  • Page 126

    Note: when you upgrade firmware, you must upgrade all client package components to the same release level. For example, if you are upgrading your controller firmware from version 6.X to version 7.X, you must also upgrade your storage manager client to version 10.X or higher. If your host system uses...

  • Page 127

    V make sure that all esms are properly seated. V make sure that all drives are properly seated. V make sure that all sfp modules are properly seated. V confirm fibre channel cable loop size. (although ibm specifications require at least 3-inch cable loops, use 6-inch cable loops or longer.) v make s...

  • Page 128

    Note: if the power cords are not connected, turn off both power switches on all modules in the configuration before connecting power cords or turning on the main circuit breakers. 3. If the main circuit breakers are turned off, turn them on. 4. Verify that the link rate setting on the front of the s...

  • Page 129

    D. Review the status of the configuration components shown in the subsystem management window by selecting the applicable component button for each storage subsystem. 8. Are the leds indicating normal operation, and is the status optimal on all the configuration components? V yes — end of procedure....

  • Page 130

    Attach host servers using the applicable operating system to the ds5020. The kit includes a ds storage manager support dvd that has the applicable ibm ds storage manager host software. The dvd also includes correct controller firmware version. For the latest controller firmware and the ds storage ma...

  • Page 131

    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 mana...

  • Page 132

    7. Select the drives tab. 8. Scroll through the list to find the drive values such as product id. Firmware updates attention: save the storage subsystem profile before performing any controller or esm firmware upgrades. Save the ds5020 storage subsystem profile and all configuration (*.Cfg) files to...

  • Page 133

    2. Select the component button for each storage expansion enclosure in this storage subsystem, and view the status of each of the components. The status for each component is either optimal or needs attention. 3. Does any component have a needs attention status? V yes - go to step 4. V no - all comp...

  • Page 134

    Table 14. Power supply and fan unit leds led normal status problem status power supply and fan unit power on off service action allowed (ok to remove) off on service action required (fault) off on direct current enabled on off front leds this section describes the primary leds and controls on the fr...

  • Page 135

    Table 15. Front leds and controls led normal status problem status drive activity led on (not flashing) - no data is being processed flashing - data is being processed off drive fault led off flashing - drive, volume, or storage array locate function on (not flashing) global locate on only when you ...

  • Page 136

    Table 16. Battery unit leds led normal status problem status service action allowed (ok to remove) off on service action required (fault) off on battery charging green means on, ready flashing green means charging off the global power, global summary fault, and global locate leds are general indicat...

  • Page 137

    Heartbeat led diagnostic led cache active led service action required led service action allowed led host channel speed - l1 led drive channel port bypass led drive channel speed led ethernet link activity led ethernet link speed led host channel speed - l2 led figure 69. Leds, controls, and connect...

  • Page 138

    Table 17. Rear controller leds, controls, and connectors led normal status problem status service action allowed (ok to remove) off on service action required (fault) off on cache active on - data is in cache off - caching is turned off. No data in cache not applicable diagnostic on - seven-segment ...

  • Page 139

    Table 17. Rear controller leds, controls, and connectors (continued) led normal status problem status ethernet link activity on - link established off - no link established flashing - activity not applicable drive channel port bypass (one led per port) note: the drive channel consists of two fc port...

  • Page 140

    When you turn on the power to the storage subsystem, the seven-segment leds show 88 before the boot firmware starts to run. After the boot code starts, - - is displayed. When the storage subsystem is operating normally, the numeric display shows the enclosure identification (enclosure id) of the sto...

  • Page 141

    Table 19. Numeric display diagnostic codes (continued) value controller state description la suspended reserved lb suspended host card configuration error lc suspended persistent cache backup configuration error ld suspended mixed cache memory dimms le suspended uncertified cache memory dimm sizes l...

  • Page 142

    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 ...

  • Page 143

    Use the following procedure to turn off power to one or more storage subsystems for a planned shutdown. To turn off power for an unplanned shutdown, see “restoring power after an unexpected shutdown” on page 114. Before proceeding, use the storage manager client to determine the status of the system...

  • Page 144

    9. Turn off both power switches on the back of each storage expansion enclosure in the configuration. 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 a...

  • Page 145

    Risk of severe electrical shock – never turn on the power to any equipment if there is evidence of fire, water, or structural damage. Doing so might cause severe electrical shock 1. After the emergency situation is over or power is restored, visually check the storage subsystem for damage. Is there ...

  • Page 146

    Recovering from an overheated power supply and fan unit each storage subsystem contains two power supply and fan units. Each power supply and fan unit contains a built-in temperature sensor designed to prevent it from overheating. Under normal operating conditions, with an ambient air temperature ra...

  • Page 147

    V yes - go to step 4. V no - perform the procedure “troubleshooting the storage subsystem ” on page 102 to verify that the power supplies have shut down because of an overheating problem, and then go to step 4. 4. Stop i/o activity to the storage subsystem and all attached storage expansion enclosur...

  • Page 148

    10. Check the status leds on the front and back of the storage subsystem. A. Note the status of the leds on the front and back of each module. A green led indicates a normal status; amber leds indicate a hardware fault. B. Open the subsystem management window for the storage array. C. Select the app...

  • Page 149

    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. (in ...

  • Page 150

    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. The battery contains lithium and can explo...

  • Page 151

    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 ...

  • Page 152

    122 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 153

    Chapter 5. Replacing components this chapter contains information about replacing a controller, e-ddm cru, power supply and fan unit 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 su...

  • Page 154

    The service action allowed status led automatically turns on or off as conditions change. Wait at least two minutes after you replace each component for the controller to recognize the new component and update the led status. In most cases when a single component fails, the service action allowed st...

  • 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 co...

  • Page 156

    7. Disconnect all attached interface cables from the failed controller, including the sfp modules. Make sure that you label each cable so that you can reconnect them correctly to the new controller. Use the following procedure to remove the sfps from the raid controller that has failed: a. Remove th...

  • Page 157

    Note: the lever rotates upward or downward 90°, depending on whether the controller you are removing is the right or left controller cru. 9. Slowly pull the lever away from the chassis to remove the controller from the bay. Use two hands when releasing the controller levers. Figure 77 shows the cont...

  • Page 158

    B. As you slide the controller into the empty slot, make sure the guide pins on the side of the controller fit into the notches. After the guide pins fit into the notches and the controller fits snugly into the bay, push the lever downward or upward 90°, depending on whether the controller is insert...

  • Page 159

    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 ...

  • Page 160

    Before you install or remove e-ddm crus, review the following information: v blank trays: a storage subsystem without a full set of e-ddms (16) contains blank trays in the unused drive bays. Before installing new e-ddms, you must remove these empty trays. Save the empty trays for future use. Each of...

  • Page 161

    Attention: 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...

  • Page 162

    V hot-swap hardware: the ds5020 contains hardware that enables you to replace a failed e-ddm without turning off the storage subsystem. You can continue to operate your system while an e-ddm is removed or installed. These e-ddms are known as hot-swap e-ddms. Installing hot-swap e-ddms with the excep...

  • Page 163

    Tr ay handl e tr ay latch c. Slide the e-ddm cru into the empty bay until the hinge of the tray handle latches beneath the storage subsystem bezel or the adjacent e-ddm cru bezel. Note: make sure that the emc gasket does not snag on the bezel. D. Push the tray handle down until it latches into place...

  • Page 164

    3. Put on anti-static protection. 4. Remove the e-ddm cru by doing the following: a. Release the latch on the e-ddm cru by pressing on the inside of the bottom of the tray handle, as shown by the arrow in figure 82 on page 133. B. Pull the tray handle out into the open position. C. Pull the e-ddm cr...

  • Page 165

    After replacing all the e-ddms, you must reconfigure the new e-ddms and restore data from backup. See the procedure in “replacing all e-ddms at the same time.” this is the safest way to exchange e-ddms without losing data. However, this method might take a long time to complete because of the backup...

  • Page 166

    To turn off the storage expansion enclosures and the ds5020, which makes the storage subsystem (and any attached storage expansion enclosures) inaccessible to other users. Attention: after you remove an e-ddm cru, wait 70 seconds before replacing or reseating the e-ddm cru to allow it to properly sp...

  • Page 167

    Disconnecting the storage subsystem logical drives from the host before the storage subsystem is powered off. B. Turn off power to the storage subsystem before you turn off power to the storage expansion enclosures. Turn off both power supply switches on the back of the storage subsystem. Caution: t...

  • Page 168

    V if the drive activity led is off, the e-ddm cru might not be installed correctly. Remove the e-ddm cru, wait 30 seconds, and then reinstall it. V if the drive fault led stays on or the drive activity led stays off, the new e-ddm might be faulty. See the ds storage manager software for problem dete...

  • 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. To identify t...

  • Page 170

    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. A link rate switch is located on the front of t...

  • Page 171

    Before you begin, ensure that you wear an anti-static wrist strap. Use the following procedure to check the current setting of the data transfer rate and change it, if necessary: 1. Complete the power-off sequence described in “turning off the storage subsystem” on page 111 ensuring that the ds5020 ...

  • Page 172

    5. Change the link rate switch setting by doing the following: a. Put on anti-static protection. B. Use a small screwdriver or the tip of a ball point pen to slide the link rate switch to the left or right to set the desired fibre channel operating speed. Attention: although the link rate led indica...

  • Page 173

    1 2 caution: disconnect the power cord before replacing the power supply and fan unit. 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 c...

  • Page 174

    Attention: potential damage to a component - to prevent damage from overheating, replace a failed power supply and fan unit cru within 15 minutes of removal. If replacing it will take longer than 15 minutes, stop all i/o activity to the storage subsystem and turn off the power until you complete the...

  • 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 wire...

  • Page 176

    And power supply and fan unit fits snugly into the slot, push the lever downward or upward 90° to fully latch the power supply and fan unit into place, depending on whether you are inserting the power supply and fan unit into the right or left power supply and fan unit bay. Then gently push the fron...

  • Page 177

    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 gur...

  • Page 178

    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 31. Before you begin, ensure that you wear an anti-static wrist strap. Use the following...

  • Page 179

    Attention: this product contains a sealed lithium ion battery. Discharged lithium and lithium ion batteries are currently designated to be disposed of in normal trash. However, users should contact their municipal waste disposal facility prior to discarding any used battery in normal trash. Alternat...

  • Page 180

    Danger some laser products contain an embedded class 3a or class 3b laser diode. Note the following. Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Class 1 laser statement class 1 laser product laser klasse...

  • Page 181

    Attention: handle and install fiber-optic cables properly to avoid degraded performance or loss of communications with devices. For specific handling guidelines, see “handling fiber-optic cables” on page 49. 6. Disconnect the interface cables from the sfp module. 7. Remove the failed sfp module from...

  • Page 182

    Replacing a midplane 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...

  • Page 183

    A. Squeeze the latch and pull the lever open 90° (so that the lever is horizontal) to release the power supply and fan unit from the latch. The latch is a coral colored tab on the lever. B. Slowly pull the lever away from the chassis to remove the power supply and fan unit, as shown in figure 17 on ...

  • Page 184

    ≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) caution: use safe practices when lifting. Pull the chassis outward from the front of the rack and remove from the rack. Place it on a level surface. Look for a row of three phillips screws on top of the chassis and a row of four phillips screws ...

  • Page 185

    15. Insert the new front cage plane/midplane by aligning it with the storage subsystem front opening and slowly sliding it into the storage subsystem chassis. Make sure that the front cage frame emc gaskets do not snag between the frame and chassis. 16. Tighten the four front cage frame screws. See ...

  • Page 186

    156 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 187

    Chapter 6. Hardware maintenance this chapter contains information to help you solve some of the simpler problems that you might have with your storage subsystem. It contains the problem indicators and error messages along with suggested actions to take to resolve the problem. For instructions on how...

  • Page 188

    Table 22. Symptom-to-fru index problem indicator component possible cause possible solutions amber led is lit drive cru (drive fault led) note: the green drive activity led might also be lit. Drive failure replace the failed drive. Note: the amber led on the drive is also lit if the drive slot has a...

  • Page 189

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions amber led is lit (continued) raid controller (port bypass led) no incoming signal detected reconnect the sfp modules and the fibre channel cables. Verify the input and output sfp using the path f...

  • Page 190

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions amber led is lit and green led is off power supply cru the power switch is turned off or there is an ac power failure. Replace the failed power supply or turn on all power supply switches. Amber ...

  • Page 191

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions amber led is flashing drive crus (fault led lit) drive identity is in process no corrective action needed. Raid controller port bypass a fibre channel loop initialization process (lip) is being g...

  • Page 192

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions one or more green leds are off power supply crus power cable is unplugged or switches are turned off. Make sure that the power cable is plugged in and that the switches are turned on. All drive c...

  • Page 193

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions intermittent or sporadic power loss to the storage subsystem some or all crus defective ac power source or improperly connected power cable check the ac power source. Reseat all installed power c...

  • Page 194

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions unable to access drives drives and fibre channel loop incorrect storage subsystem id settings make sure that the fibre channel optical cables are undamaged and properly connected. Check the stora...

  • Page 195

    Table 22. Symptom-to-fru index (continued) problem indicator component possible cause possible solutions storage expansion enclosures are not attached to the storage subsystem storage subsystem the ds5020 does not have the necessary feature options to support the storage expansion enclosures. The ba...

  • Page 196

    Parts listing figure 90 and provides a parts listing for the ds5020. Table 23. Parts listing (ds5020 storage subsystem) index ds5020 storage subsystem cru p/n 1 rail kit 41y5152 2 battery 59y5260 1 8 2 3 4 5 6 7 9 10 figure 90. Ds5020 storage subsystem parts list 166 ibm system storage ds5020 storag...

  • Page 197

    Table 23. Parts listing (ds5020 storage subsystem) (continued) index ds5020 storage subsystem cru p/n 3 controller, 1 gb memory, two standard 8 gbps fc host ports, two standard 4 gbps fc drive channel ports 59y5251 controller, 1 gb memory, two standard 8 gbps fc host ports, one optional 2-port 8 gbp...

  • Page 198

    Table 23. Parts listing (ds5020 storage subsystem) (continued) index ds5020 storage subsystem cru p/n 9 e-ddm, 4 gbps fc, 146.8 gb, 15,000 rpm drive module 40k6823 e-ddm, 4 gbps fc, 300 gb, 15,000 rpm drive module 44x3231 e-ddm, 4 gbps fc, 450 gb, 15,000 rpm drive module 44x3237 e-ddm, 4 gbps fc, 60...

  • Page 199

    Table 23. Parts listing (ds5020 storage subsystem) (continued) index ds5020 storage subsystem cru p/n 10 cage assembly 59y5249 cable, fiber-optic, 1 m 39m5699 cable, fiber-optic, 5 m 39m5700 cable, fiber-optic, 25 m 39m5701 lc wrap plug assembly 39m5914 sfp (shortwave), 4 gbps 22r6443 om3 fiber opti...

  • Page 200

    Do not refer to the drive properties given here. Refer to the drive properties given here. Dcsi0035 figure 91. An ibm hologram label example 170 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. Identification numbers record and ...

  • Page 202

    Storage subsystem and controller information record table 24 provides a data sheet for recording storage subsystem names, management types, ethernet hardware addresses, and ip addresses. Make a copy of this table and complete the information for your storage subsystems and controllers. Use the infor...

  • Page 203

    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 subsystem name management method controllers-ethernet and ...

  • Page 204

    Installed device records use the following table to record the number of the hard disk drives that you replaced and the corresponding bay number. Attention: 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 bay number hard disk dr...

  • Page 205

    Appendix b. Rack mounting templates this appendix provides duplicate copies of the rack mounting templates. If you want to tear out the templates from this document, use these copies rather than those provided in “installing the support rails” on page 34. Use the following templates (figure 92 on pa...

  • Page 206

    Figure 92. Front rack mounting template 176 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 207

    ® 3u 3u 2u 2u 1u 1u 0u 0u rail assembly (rear left) rail assembly (rear right) printed in the u.S.A rear rack mounting template ds5020 rail mounting guide figure 93. Rear rack mounting template appendix b. Rack mounting templates 177.

  • Page 208

    178 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 209

    Appendix c. Specifications for non-ibm rack installation the following instructions provide safety requirements and rack specifications for installing ds5000 storage subsystems and ds5000 storage expansion enclosures into non-ibm racks. Note: the information in this section applies to 19–inch racks....

  • Page 210

    3. There must be an accessible and unambiguous disconnect device for each product in the rack, including any power distribution unit. A disconnect device might consist of either the plug on the power cord (if the power cord is no longer than 1.8 m (6 ft.)), the appliance inlet receptacle (if the pow...

  • Page 211

    There must be no unique maintenance procedures or tools required for service. 11. Elevated service installations, where the product(s) to be serviced are installed between 1.5 m and 3.7 m (5 ft. And 12 ft.) above the floor, require the availability of an osha- and csa-approved nonconductive step lad...

  • Page 212

    Top view of non-ibm rack specifications dimensions the vertical distance between mounting holes must consist of sets of three holes spaced (from bottom to top) 15.9 mm (0.625 in.), 15.9 mm (0.625 in.), and 12.67 mm (0.5 in.) on center (making each three hole set of vertical hole spacing 44.45 mm (1....

  • Page 213

    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. Top front of rack eia hole spacing 6.75 mm min. 15.9 mm 15.9 mm 15.9 mm 15.9 mm 12.7 mm 12.7 mm hole diameter = 7.1 +/- 0.1 mm 450 +/- 0.75 mm rack front opening 465 +/- 0.8 mm ra...

  • Page 214

    For example, a four eia drawer will have a maximum drawer weight of 63.6 kg (140 lb.). 3. Ac or dc power drawers need to be support based on equipment purchased for the rack or cabinet. It is strongly recommended that you use a power distribution unit that meets the same specifications as each unit ...

  • Page 215

    Inlet temperature as specified in the server specifications. The perforations should yield at least 34 percent minimum open area per square inch. Appendix c. Specifications for non-ibm rack installation 185.

  • Page 216

    186 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 underwrit...

  • Page 218

    Table 27. Ibm power cords (continued) ibm power cord part number feature code description used in these countries or regions 39y7917 9820 power cord (250v, 10a, 2.8m) afghanistan, albania, algeria, andorra, angola, armenia, austria, azerbaijan, belarus, belgium, benin, bosnia and herzegovina, bulgar...

  • Page 219

    Table 27. Ibm power cords (continued) ibm power cord part number feature code description used in these countries or regions 39y7923 9825 power cord (250v, 10a, 2.8m) abu dhabi, bahrain, botswana, brunei darussalam, channel islands, cyprus, dominica, gambia, ghana, grenada, guyana, hong kong, iraq, ...

  • Page 220

    190 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 enclo...

  • Page 222

    Table 28. Ds storage manager version 10 titles by user tasks (continued) title user tasks planning hardware installation software installation configuration operation and administration diagnosis and maintenance ibm system storage ds storage manager concepts guide u u u u u u ibm system storage ds40...

  • Page 223

    Ds4800 storage subsystem library table 30 associates each document in the ds4800 storage subsystem library with its related common user tasks. Table 30. Ds4800 storage subsystem document titles by user tasks title user tasks planning hardware installation software installation configuration operatio...

  • Page 224

    Ds4700 storage subsystem library table 31 associates each document in the ds4700 storage subsystem library with its related common user tasks. Table 31. Ds4700 storage subsystem document titles by user tasks title user tasks planning hardware installation software installation configuration operatio...

  • Page 225

    Ds4500 storage subsystem library table 32 associates each document in the ds4500 storage subsystem library with its related common user tasks. Table 32. Ds4500 storage subsystem document titles by user tasks title user tasks planning hardware installation software installation configuration operatio...

  • Page 226

    Ds4400 storage subsystem library table 33 associates each document in the ds4400 storage subsystem library with its related common user tasks. Table 33. Ds4400 storage subsystem document titles by user tasks title user tasks planning hardware installation software installation configuration operatio...

  • Page 227

    Ds4300 storage subsystem library table 34 associates each document in the ds4300 storage subsystem library with its related common user tasks. Table 34. Ds4300 storage subsystem document titles by user tasks title user tasks planning hardware installation software installation configuration operatio...

  • Page 228

    Ds4200 express storage subsystem library table 35 associates each document in the ds4200 express storage subsystem library with its related common user tasks. Table 35. Ds4200 express storage subsystem document titles by user tasks title user tasks planning hardware installation software installatio...

  • Page 229

    Ds4100 storage subsystem library table 36 associates each document in the ds4100 storage subsystem library with its related common user tasks. Table 36. Ds4100 storage subsystem document titles by user tasks title user tasks planning hardware installation software installation configuration operatio...

  • Page 230

    Ds5000 and ds4000 storage expansion enclosure documents table 37 associates each of the following documents with its related common user tasks. Table 37. Ds5000 and ds4000 storage expansion enclosure document titles by user tasks title user tasks planning hardware installation software installation ...

  • Page 231

    Other ds5000 and ds4000-related documents table 38 associates each of the following documents with its related common user tasks. Table 38. Ds5000 and ds4000-related document titles by user tasks title user tasks planning hardware installation software installation configuration operation and admini...

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    202 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 233: Appendix F. Accessibility

    Appendix f. Accessibility this section provides information about alternate keyboard navigation, which is a ds storage manager accessibility feature. Accessibility features help a user who has a physical disability, such as restricted mobility or limited vision, to use software products successfully...

  • Page 234

    Table 39. Ds storage manager alternate keyboard operations (continued) short cut action alt+ underlined letter access menu items, buttons, and other interface components by using the keys associated with the underlined letters. For the menu options, select the alt + underlined letter combination to ...

  • Page 235: Notices

    Notices this information was developed for products and services offered in the u.S.A. Ibm may not offer the products, services, or features discussed in this document in other countries. Consult your local ibm representative for information on the products and services currently available in your a...

  • Page 236

    Information concerning non-ibm products was obtained from the suppliers of those products, their published announcements or other publicly available sources. Ibm has not tested those products and cannot confirm the accuracy of performance, compatibility or any other claims related to non-ibm product...

  • Page 237

    Important notes processor speed indicates the internal clock speed of the microprocessor; other factors also affect application performance. Cd or dvd drive speed is the variable read rate. Actual speeds vary and are often less than the possible maximum. When referring to processor storage, real and...

  • Page 238

    Table 40. Limits for particulates and gases contaminant limits particulate v the room air must be continuously filtered with 40% atmospheric dust spot efficiency (merv 9) according to ashrae standard 52.2 1 . V air that enters a data center must be filtered to 99.97% efficiency or greater, using hig...

  • Page 239

    Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense. Properly shielded and grounded cables and connectors must be used in order to meet fcc emission limits. Ibm is not respon...

  • Page 240

    Hinweis für geräte der klasse a eu-richtlinie zur elektromagnetischen verträglichkeit dieses produkt entspricht den schutzanforderungen der eu-richtlinie 2004/108/eg zur angleichung der rechtsvorschriften über die elektromagnetische verträglichkeit in den eu-mitgliedsstaaten und hält die grenzwerte ...

  • Page 241

    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 ac...

  • Page 242

    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 f2c00790 212 ibm system storage ds5020 stor...

  • Page 243: Glossary

    Glossary this glossary provides definitions for the terminology and abbreviations used in ibm system storage ds5000 and ds4000 publications. If you do not find the term you are looking for, see the ibm glossary of computing terms located at the following web site: www.Ibm.Com/ibm/terminology this gl...

  • Page 244

    Standard architecture (isa) system bus on the ibm pc at computer. Equivalent to integrated drive electronics (ide). Auto-volume transfer/auto-disk transfer (avt/adt). A function that provides automatic failover in case of controller failure on a storage subsystem. Avt/adt. See auto-volume transfer/a...

  • Page 245

    Interface (fc-scsi) hardware path id. It is required to be the same for all scsi targets logically connected to an fibre channel adapter. Drive channels. The ds4200, ds4700, and ds4800 subsystems use dual-port drive channels that, from the physical point of view, are connected in the same way as two...

  • Page 246

    Fibre channel protocol (fcp) for small computer system interface (scsi). A high-level fibre-channel mapping layer (fc-4) that uses lower-level fibre-channel (fc-ph) services to transmit scsi commands, data, and status information between a scsi initiator and a scsi target across the fc link by using...

  • Page 247

    (eisa) further expanded the data path to 32 bits. See also extended industry standard architecture. Initial program load (ipl). The initialization procedure that causes an operating system to commence operation. Also referred to as a system restart, system startup, and boot. Integrated circuit (ic)....

  • Page 248

    Logical drive data to verify that it can be accessed, and optionally scans the logical drive redundancy information. Medium access control (mac). In local area networks (lans), the sublayer of the data link control layer that supports medium-dependent functions and uses the services of the physical ...

  • Page 249

    Standard architecture (eisa) bus. Isa and eisa boards plug into an ia or eisa slot, while high-speed pci controllers plug into a pci slot. See also industry standard architecture, extended industry standard architecture. Polling delay. The time in seconds between successive discovery processes durin...

  • Page 250

    Serial ata. The standard for a high-speed alternative to small computer system interface (scsi) hard drives. The sata-1 standard is equivalent in performance to a 10 000 rpm scsi drive. Serial storage architecture (ssa). An interface specification from ibm in which devices are arranged in a ring top...

  • Page 251

    Elements must be defined to grant access to host computers and host groups using logical drive-to-lun mappings. Striping. Splitting data to be written into equal blocks and writing blocks simultaneously to separate disk drives. Striping maximizes performance to the disks. Reading the data back is al...

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    222 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 253: Index

    Index a a hot-swap e-ddm replacing 133 a hot-swap hard disk drive replacing 133 about this document xix ac power cords and receptacles 26 ac power recovery 26 ac power requirements 26 ac power supply cabling 94 ac power supply and fan unit replacing 45, 142 ac power supply and fan unit, removal 40 a...

  • Page 254

    D data sheet 172 devices, installing and replacing 123 dhcp server sample network 12 diagnostic interface port 81 direct management method 83 document organization xix documentation ds storage manager 191 ds4000-related documents 201 ds4100 sata storage subsystem 199 ds4200 express storage subsystem...

  • Page 255

    Hardware service and support xxvii health check process 95 heat dissipation 24 heat output 26 host adapter, connecting to raid controller 84 host-agent management method 82 hot swap drive bays 7 drive led activity described 131 hardware 132 hot-swap e-ddms installing 132 replacing 46 hot-swap hard d...

  • Page 256

    Power supply and fan units (ac) description 15 power-fan canister recovering from shutdown 116 power, restoring after an emergency 114 powering off for planned shutdown 111 powering on after planned shutdown 97 after power supply shutdown 116 at initial startup 97 problem determination 157 product i...

  • Page 257

    Storage subsystem configuration saving 6 storage subsystem configuration, installing 94 storage subsystem profile saving 6 submodel id 101 support code upgrades software and firmware 19 support notifications 6 switch technical support web site xxvi t t10 pi technology, definition of 4 tasks by docum...

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    228 ibm system storage ds5020 storage subsystem: installation, user’s, and maintenance guide.

  • Page 260

    Part number: 00y5047 printed in usa ga32-0954-03 (1p) p/n: 00y5047.