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Hitachi AMS 2000 Series Service Manual
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Hitachi AMS 2000 Series Service Manual

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Hitachi AMS 2000 Family Storage System
Service Guide
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F
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AST
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INKS
Document organization
Product version
Getting help
Contents
MK-97DF8009EN-17

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  • Page 1 Hitachi AMS 2000 Family Storage System Service Guide INKS Document organization Product version Getting help Contents MK-97DF8009EN-17...
  • Page 2 (hereinafter referred to as “Hitachi”). Hitachi, Ltd. and Hitachi Data Systems reserve the right to make changes to this document at any time without notice and assume no responsibility for its use. Hitachi, Ltd. and Hitachi Data Systems products and services can only be ordered under the terms and conditions of Hitachi Data Systems' applicable agreements.

  • Page 3: Table Of Contents

    Cache memory ......... . xxxvi Contents Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 4 Disk drive status LEDs ........1-40 Battery expansion unit LEDs and controls ..... 1-40 Contents Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 5 Installing a disk drive ........4-13 Contents Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 6 Installing an ENC cable ........4-42 Replacing parts in a high-density expansion unit ..... 4-42 Contents Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 7 Copy back..........7-4 Confirming completion of data recovery or copy back ....7-5 Glossary Contents Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 8 Contents Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 9: Preface

    Preface Congratulations on purchasing a new Hitachi AMS 2000 Family Storage System. This guide can assist you in maintaining a Hitachi AMS 2000 Family Storage System. This preface includes the following information: Intended audience Product version Release notes and readme...

  • Page 10: Intended Audience

    Intended audience This document is intended for system administrators, Hitachi Data Systems representatives, and Authorized Service Providers who install, configure, and operate Hitachi Adaptable Modular System (AMS) 2000 family storage systems. Product version This document applies to Hitachi AMS 2000 Family firmware version 0890/A or later.

  • Page 11: Document Organization

    2000 Family Storage System. Chapter 7, Errors This chapter provides information about the errors and error messages that can be displayed by the Hitachi AMS 2000 Family Storage System software. Glossary Defines the acronyms and special terms used in this document.

  • Page 12: Convention For Storage Capacity Values

    1,000 KB or 1,000 bytes 1 GB 1,000 MB or 1,000 bytes 1 TB 1,000 GB or 1,000 bytes 1 PB 1,000 TB or 1,000 bytes 1 EB 1,000 PB or 1,000 bytes Preface Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 13: Related Documents

    1,024 PB or 1024 bytes Related documents The AMS 2000 Family user documentation is available on the Hitachi Data Systems Portal: https://portal.hds.com. Please check this site for the most current documentation, including important updates that may have been made after the release of the product.
  • Page 14 AMS 2000 Family Fibre Channel Host Installation Guide, MK-08DF8189 Describes how to prepare Hitachi AMS 2000 Family Fibre Channel storage systems for use with host servers running supported operating systems. AMS 2000 Family iSCSI Host Installation Guide, MK-08DF8188 Describes how to prepare Hitachi AMS 2000 Family iSCSI storage systems for use with host servers running supported operating systems.
  • Page 15 After data is written, it can be retrieved and read only by authorized applications or users, and cannot be changed or deleted during the specified retention period. Preface Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 16 AMS 2000 Family storage systems. The symbol identifies documents that contain initial configuration information about Hitachi AMS 2000 Family storage systems. AMS 2100/2300 Storage System Hardware Guide, MK-97DF8010 Provides detailed information about installing, configuring, and maintaining an AMS 2100/2300 storage system.
  • Page 17 Command and Control (CCI) The following documents describe how to install the Hitachi AMS 2000 Family Command Control Interface (CCI) and use it to perform TrueCopy and ShadowImage operations. AMS 2000 Family Command Control Interface (CCI) Installation Guide, MK-97DF8122 Describes how to install CCI software on open-system hosts.

  • Page 18: Getting Help

    Hitachi Dynamic Replicator - Scout Quick Install/Upgrade Guide, MK-98DF8222 Getting help If you need to contact the Hitachi Data Systems support center, please provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure.

  • Page 19: Safety Guidelines

    Safety guidelines This section contains warnings and important safety guidelines for using a Hitachi AMS 2100/2300 Storage System. Read and understand the information in this section before removing, replacing and installing system components. This section includes the following key topics:...

  • Page 20: Personal Safety

    Slide the array onto the rails in the rack frame. When sliding the array onto the rails, move it gently all the way onto the rails. Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 21 Tie up long hair before working with the equipment. • Do not power on any device with rotating or moving parts that are not properly covered unless instructed to do so. Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 22: Electrical Safety

    Attach a notice on the panel or board prohibiting the use of the switch. If the system power has been already turned off, verify that these conditions are satisfied. xxii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 23: Handling Of Cables On The Floor

    Tight cables can be damaged or broken if stretched beyond their specified limits, as could happen in an earthquake. xxiii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 24: Equipment Safety

    • When a failure occurs in the unit, refer to this manual and to the Hitachi Hitachi AMS 2100/2300 Storage System Hardware Guide to prevent personal injury. If the failure does not correspond to any corrective measure written in this manual, inform the maintenance engineer.

  • Page 25: Safety And Warning Labels

    Be careful that your fingers do not get caught in moving parts. Fingers Equipment Do not put anything on top of an array that is partially out of Safety a rack. Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 26: Safety And Warning Labels - Base Unit

    • Figure 1: Safety and Warning Labels, Base Unit label is affixed at location (a) or (b). Either (I) or (II) is affixed. xxvi Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 27: Safety And Warning Labels - Expansion Unit

    Figure 2: Safety and Warning Labels, Expansion Unit label is affixed at location (a) or (b). Either (I) or (II) is affixed xxvii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 28: Warning And Safety Labels - High-Density Expansion Unit

    Figure 3: Warning and Safety Labels (High-density Expansion Unit) label is affixed at location (a) or (b). xxviii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 29: Safety And Warning Labels - Modular 2U Sas Expansion Unit

    2U SAS expansion unit. Figure 4: Warning and Safety Labels (Modular 2U SAS Expansion Unit) xxix Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 30: Warning And Safety Labels - Battery Expansion Unit

    Warning and safety labels - battery expansion unit Figure 5 shows the location and content of the warning and safety labels on the Battery Expansion Unit. Figure 5: Warning and Safety Labels (Battery Expansion Unit) Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 31: Disk Drives

    Figure 7: High-density Expansion Unit Disk Drive Figure 8 shows the location of the label on the Modular 2U SAS Expansion Unit disk drive. Figure 8: Modular 2U SAS Expansion Unit Disk Drive xxxi Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 32: Fan Unit

    Figure 9: Fan Unit Label Locations Power supply Figure 10 shows the location of the label on the Power Supplies for the Base Unit. Figure 10: Power Supply Label Location for the Base Unit xxxii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 33 Figure 13 shows the location of the label on the Power Supply for the High- density Expansion Unit. Figure 13: Power Supply Label Location for the High-density Expansion Unit xxxiii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 34 Figure 15: DC Power Supply Label Location for the Base Unit Figure 16 shows the location of the label on the DC Power Supply for the Expansion Unit. Figure 16: DC Power Supply Label Location for the Expansion Unit xxxiv Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 35: Control Unit

    Control Unit. AMS 2100 AMS 2300   AMS 2500 Figure 17: Control Unit Label Location label is affixed at location (a) or (b). xxxv Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 36: Cache Memory

    Figure 19 Figure 20 show the location (a) or (b) of the labels on the FC Interface Boards. Figure 19: Fibre Channel Interface Board (DF-F800-DKF44/ DF-F800- DKF84) Label Location xxxvi Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 37 Figure 21: iSCSI Interface Board Label Location Figure 22 shows the location of the label on the 10 Gbps iSCSI Interface Board. Figure 22: iSCSI Interface Board Label Location xxxvii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 38: Host Connector

    Figure 25 shows the location of the labels (a) or (b) on the ENC Unit of the High-density Expansion Unit. Figure 25: Unit Label Location for the High-density Expansion Unit xxxviii Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 39: Cable

    Figure 26: Unit Label Location for the Modular 2U SAS High-density Expansion Unit cable Figure 27 shows the location of the label on the ENC Cable. Figure 27: Cable Label Location xxxix Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 40: Cable Holder

    Cable holder Figure 28 shows the locations of the labels (a) or (b) on the Cable Holders. Figure 28: Cable Holder Label Locations Safety guidelines Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 41: Introduction

    AMS 2500 base unit, the high-density expansion unit, or the AMS 2000 Battery Expansion Unit. However, the Hitachi Data Systems Customer Assist program allows users to upgrade firmware in the AMS 2500 and add or replace disk drives in the RKAK expansion unit.

  • Page 42: Overview

    Overview The Hitachi Data Systems AMS 2000 storage system includes three array models: • AMS 2100 - Smaller system provides up to 120 disk drives ranging in size from 146 GB to 2 TB. The expansion unit can use any size SAS or SATA drive.

  • Page 43: User Maintenance Tasks

    2. Failure notification (E-mail, SNMP, Array LED). (2) 3. Determining the failed parts using the Hitachi Storage Navigator Modular 2. (3) 4. Connecting to the Web portal site from the Hitachi Storage Navigator Modular 2, and ordering the parts. See Identifying the cause of a failure on page 2-2.

  • Page 44: Replaceable Parts

    Replaceable parts The replaceable parts for the Hitachi AMS 2100/2300 Storage System are listed and described in Chapter 3, Replaceable parts. System overview The AMS 2000 Family storage system includes from one to four main components, depending on the model. These components are listed in the following table and briefly described in this section.

  • Page 45: Base Unit

    The same high-density expansion unit is used with all three base unit models. The factory designation for the high-density expansion unit is RKAKX. 1–5 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 46: Modular 2U Sas Expansion Unit

    1 in Unit A, and two drives installed in slots 0 and 1 in Unit B. Modular 2U SAS expansion unit Hitachi AMS 2100 and AMS 2300 storage systems support connection to a 2U SAS expansion unit. This unit contains two redundant power supplies, two ENC interface units, and from two to 24 small form factor (SFF) disk drives.

  • Page 47: Ams 2100 Base Unit

    AMS 2100 base unit The Hitachi AMS 2100 Adaptable Modular Storage disk array (model RKS) (hereafter referred to as AMS 2100) includes a base unit and from 0 to 7 expansion units. Figure 1-4 shows the front (above) and rear (below) views of the AMS 2100 base unit.

  • Page 48: Ams 2300 Base Unit

    AMS 2300 base unit The Hitachi AMS 2300 Adaptable Modular Storage disk array (model RKM) (hereafter referred to as AMS 2300) includes a base unit and from 0 to 15 expansion units. Figure 1-5 shows the front (above) and rear (below) views of the AMS 2300 base unit.

  • Page 49: Ams 2100/2300 Base Unit Front Panel

    1-21 for details. on page 1-7 Base unit switches on page 1-19 for details. Cache Backup Battery. See Cache backup battery LEDs on page 1- for details. 1–9 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 50: Ams 2100/2300 Base Unit Rear Panel

    Base unit power supply status LEDs on page 1-30 for details. Controller 1 Control unit LEDs, connectors, Power Supply 1 and switches - AMS 2100/2300 on page 1-24 for details. 1–10 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 51: Ams 2500 Base Unit

    AMS 2500 base unit The Hitachi AMS 2500 Adaptable Modular Storage disk array (factory designation RKHE2, and hereafter referred to as AMS 2500) includes a base unit and from 1 to 15 expansion units. Figure 1-8 shows the front (above) and rear (below) views of the AMS 2500 base unit.

  • Page 52: Ams 2500 Base Unit Front Panel

    1-23 for details. Switch Panel (Power and Mode switches). See AMS 2100 base unit Fan Units on page 1-7 Base unit switches on page 1-19 for details. 1–12 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 53: Ams 2500 Base Unit Rear Panel

    AMS 2500 Control Unit Connectors and LEDs on page 1-26. Fibre Channel Host Host Connector (4 Gbps) See Fibre channel host Ports connectors on page 1-28. Power Unit (RKHE2) Power supply 1–13 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 54: Expansion Unit

    Figure 1-13 on page 1-15, these LEDs are visible when the front bezel is removed. A close up photo of the drive status LEDs is shown in Figure 1-27 on page 1-31. 1–14 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 55 Figure 1-13: Expansion Unit Front View, Bezel Removed Table 1-8: Expansion Unit Front View, Bezel Removed Item Description Item Description Item Description Disk Drives, showing Locate LED Power LED the status LEDs 1–15 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 56: Expansion Unit Rear Panel

    Unit 1 The rear of the expansion unit provides the connectors used to daisy chain expansion units in the system. See Chapter 5, Installation, in the Hitachi AMS 2100/2300 Hardware guide, MK-97DF8010 for details. It also provides LEDs that show the status of the expansion unit and the power supplies that provide power to the expansion unit.

  • Page 57: High-Density Expansion Unit

    (above) and rear (below) views of the high- density expansion unit. The front bezel has been removed in this photo. Figure 1-16: High Capacity Expansion Unit Front and Rear Views 1–17 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 58: Modular 2U Sas Expansion Unit

    ENC interface units, and from two to 24 SFF disk drives. Figure 1-17 shows the front (above) and rear (below) views of the AMS Modular 2U SAS expansion unit. Figure 1-17: Modular 2U SAS Expansion Unit Front and Rear Views 1–18 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 59: System Controls

    The panel contains a power on-off switch and a mode switch, and is described Table 1-10. 1–19 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 60 When the POST is complete and the unit is ready for operation, the Ready light changes from blinking to steady ON. Important! Read chapter 6, Power On and Off Procedures in the Hitachi AMS 2100/2300 Storage System Hardware Guide or the Hitachi AMS 2500 Storage System Hardware Guide before turning the power on or off.

  • Page 61: Expansion Unit Switches

    A serious error has occurred in the array. Please contact Hitachi Data Systems Technical Support. See the Getting Help section in the Preface of t his manual. A serious failure has occurred. Please contact Hitachi Data Slow Blink Systems Technical Support. See the Getting Help section in (1 blink/sec) the Preface of t his manual.
  • Page 62 Ready LED Normal status GREEN Slow Blink (1 blink per second): The battery is not fully charged. indicates Off or battery (8 blinks per second): Abnormal status condition Fast Blink 1–22 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 63 Control unit LEDs, connectors, and switches - AMS 2100/2300 on page 1-24, and the Base unit power supply status LEDs on page 1-30. 1–23 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 64 LOC LED on page connector LINK LED (green) When ON, 1-25 indicates that the link status Reset Button is normal. Resets the control unit and performs a full dump. 1–24 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 65 1.When blinking fast, the LED is on for 400 ms and off for 200 ms for each fast blink. After the number of fast blinks has completed, the LED ID goes off for one second. 1–25 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 66 • LINK LED (green) When ON, indicates that the link status is normal. LOC LED (orange) Connector Path 0 to ENC Remote Adapter page 1-25 unit IN connector 1–26 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 67: Ams 2500 Iscsi Control Unit

    Connector Path 0 to ENC Remote Adapter page 1-25 unit IN connector RST (Reset) Button Resets the control unit Connector Path 1 to ENC and performs a full unit IN dump. • 1–27 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 68 The front bezel key is included in the photo to show the relative size of a host connector. See the Hitachi AMS 2100/2300 Service Guide for information on removing and replacing a host connector. Figure 1-25: Fibre Channel Host Connectors 1–28...
  • Page 69 1-7 in the Hitachi AMS 2100/2300 Storage System Hardware Guide to interact with an AMS 2100/2300 array. The same features are described on page 1-8 in the Hitachi AMS 2500 Storage System Hardware Guide and also work with an AMS 2500 array.
  • Page 70 Hitachi Data Systems recommends that you replace the failed power supply as soon as possible. See the Hitachi AMS 2100/2300 Service Guide for instructions. AMS 2500 1–30 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 71 Each power supply contains a power receptacle that must be connected to a working AC power source using the supplied AC power cable. NOTE: Hitachi Data Systems recommends that each power supply in the base unit be connected to a different AC source in the rack. If one source fails, the other source continues to supply power to the other power supply.

  • Page 72: Expansion Unit

    Figure 1-28: Front View of an Expansion Unit Table 1-19: Expansion Unit Front View Item Description Item Description Locate LED. Expansion unit Power LED status LEDs on page 1-33 GREEN Orange 1–32 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 73 The upper right edge of the front of the AMS 2100/2300 expansion unit has four LEDs that indicate the status of the array. Figure 1-30 Table 1-21 describe the array status LEDs and their functions. Figure 1-30: Expansion Unit Status LEDs 1–33 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 74 This LED indicates that the ENC unit has failed. LOC LED ORANGE Lock Lever LOC LED in the next table. Port (OUT) Table 1-23: LOC LED Number Description of blinks 1 (fast) SRAM error 1–34 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 75 Alarm LED (red). This LED indicates that the power supply has failed. Although the other power supply can supply sufficient power and cooling for the array, Hitachi Data Systems recommends that you replace the failed power supply as soon as possible. See the Hitachi AMS 2100/2300 Service Guide for instructions.

  • Page 76: High-Density Expansion Unit Status Leds

    Figure 1-34: High-density Expansion Unit Front Panel Table 1-25: High-density Expansion Unit Front Panel Item Description Item Description Item Description Unit A Status LEDs Drive Cover Lock Unit B Status LEDs 1–36 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 77 (POST). ON when the poser supply is operational. even if the AMS 2100/2300 array is not turned Figure 1-35: High-density Expansion Unit Power Supply LEDs 1–37 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 78 Figure 1-37. Table 1-27 describes the function of these LEDs, which have exactly the same function as those on the rear panel. Figure 1-37: High-density Expansion Unit ENC LEDs (Card) 1–38 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 79 The disk drives and ENC cards can be seen along with the drive fillers where disk drives are not installed. These are required to prevent loss of cooling air to the drives. Figure 1-38: High-density Expansion Unit Top View 1–39 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 80: Disk Drive Status Leds

    The AMS 2500 can connect to one or two AMS 2000 Battery Expansion Units to extend the life of the data in the cache in case the power to the facility where the unit is installed fails for an extended period. 1–40 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 81 Connect the battery cable from this port to the battery expansion unit Port 0 connector on control unit #0. Connect the battery cable from this port to the battery expansion unit Port 1 connector on control unit #1. 1–41 Introduction Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 82: Modular 2U Sas Expansion Unit Connectors And Leds

    (even if the READY LED blinks). • Slow blinking = offline download processing ended (occurs during maintenance). LOCATE LED (orange)  • ON = a failure occurred, but the expansion unit remains operational. 1–42 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 83 • ON = a failure occurred that makes the array unable to operate.  • Slow Blinking = a serious failure has occurred while power is on. Please contact Hitachi Data Systems Technical Support. See the Getting help section in the Preface of this manual. 1–43...
  • Page 84 Description Locate LED (orange) — lights when a modular 2U SAS expansion unit has encountered a serious error. Please contact Hitachi Data Systems Technical Support. See the Getting help section in the Preface of this manual. • Blink one time fast = SRAM error.
  • Page 85 • ON = modular 2U SAS expansion tray is receiving power. LOCATE LED (orange) — lights when a modular 2U SAS expansion unit ENC has encountered a serious error. Please contact Hitachi Data Systems Technical Support. See the Getting help section in the Preface of this manual.
  • Page 86 • AC input to the modular 2U SAS expansion tray is operating normally. ALM LED (red)  • ON = power supply has stopped or is in an abnormal state. 1–46 Introduction Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 87 This chapter describes how to verify a failed part and how to order a failed part. The following key topics are covered: Identifying a failed part Identifying the cause of a failure Locating the failure Ordering replacement parts 2–1 Identifying failed parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 88 Nothing is Information is displayed Displayed Check the failed part details. Order the parts from the support portal. Figure 2-1: Identifying and Recovering from a Failure 2–2 Identifying failed parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 89 Figure 2-3: Locations of Array Serial Number Labels Table 2-1: Locations of Array Serial Number Labels Item Description Item Description Item Description High-density Serial Number Base Unit Expansion Unit Expansion Unit Location 2–3 Identifying failed parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 90 LAN. Check communication between the management host and the array. More detailed troubleshooting information is located in the Troubleshooting chapter in this manual. 2–4 Identifying failed parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 91: Ordering Replacement Parts

    NOTE: If the management host that has Navigator 2 installed is not connected to the Internet, note the order information, as shown in Figure 2-6, and then use a system that is connected to the Internet to order parts. 2–5 Identifying failed parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 92 Information for order 4. Order the parts to be replaced. a. Note the information as shown in the above example. b. Open a web browser and go to the Hitachi Data Systems support site. Follow the support portal Web instructions. 2–6...

  • Page 93: Replaceable Parts

    Replaceable parts The replaceable parts for the Hitachi AMS 2100/2300 Storage System are described in this chapter. They can be replaced with the power turned on. This chapter covers the following key topics: Overview Base unit AMS 2500 base unit parts - front...

  • Page 94: Overview

    Overview The following parts in the Hitachi AMS 2100/2300 Storage System are replaceable. These are illustrated and described on the following pages. Table 3-1: Replaceable Parts Oveview Model Unit Part Notes Front Bezel Disk Drive Power Supply Customer replaceable Base unit...
  • Page 95 Hi Capacity Expansion Unit Power Supply parts. FE only. unit cable Front Bezel Disk Drive Modular 2U SAS No customer replaceable Power Supply expansion unit parts. FE only. unit cable 3–3 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 96 Figure 3-1 shows the base unit with the front bezel removed. Figure 3-1: Base Unit Replaceable Parts (Front) 3–4 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 97: Ams 2100/2300 Base Unit Replaceable Parts - Rear

    Cache Backup Battery (2) AMS 2100/2300 base unit replaceable parts - rear Figure 3-2 shows the replaceable parts on the rear of the base unit. Figure 3-2: Base Unit Replaceable Parts (Rear) 3–5 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 98 3–6 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 99: Ams 2500 Base Unit

    This section displays the replaceable parts on the AMS 2500 base unit. AMS 2500 base unit parts - front This expansion unit is serviceable only by Hitachi Data Systems authorized service representatives, and is described here for reference only. The base unit front bezel is shown in Figure 3-3.
  • Page 100 (N1K) FAN Assembly for AMS 2500 Fan Unit 3276374-A (RKHE2) Cache Backup Battery (N1K) 3276079-A Cache Backup Battery (2) Front Bezel Assembly for AMS Front Bezel 3276156-A 2500 (RK2/RKHE2) 3–8 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 101: Ams 2500 Base Unit Replaceable Parts - Rear

    2 GB or 4 GB cache memory 3282006-B unit (RAM) (4 GB RAM) 3276337-A Host Connector (4 Gbps) Host Connector 3276337-B Host Connector (8 Gbps) Power supply for AMS 2500 Power Unit 3276255-A (RKHE2) 3–9 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 102 Figure 3-6: Expansion Unit front bezel and key Figure 3-7 shows the expansion unit replaceable parts. Figure 3-7: Expansion Unit Replaceable Parts (Front) 3–10 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 103 SATA Disk Drive Canister Unit, 200 GB Drive 3282195-B Flash Disk Drive Canister Unit, 2000 GB Drive 3282279-A SAS7.2K Disk Drive Canister Unit, 3000 GB Drive 3276139-E SATA Disk Drive 3–11 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 104: Expansion Unit Replaceable Parts - Rear

    Table 3-7: Expansion Unit Replaceable Parts (Rear) Item Part Name Part No. Remarks Enclosure Control Unit 3276159-A Controller for expansion unit Replaceable power supply for RKAK Power Supply 3276081-A expansion unit 3–12 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 105: Modular 2U Sas Expansion Unit

    Table 3-8: Modular 2U SAS Expansion Unit Replaceable Parts (Front) Item Part Name Part No. Remarks Canister Unit of 300GB Drive 3282389-C SAS Disk Drive Canister Unit of 600GB Drive 3282389-A SAS Disk Drive 3–13 Replaceable parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 106: Modular 2U Sas Expansion Unit Replaceable Parts - Rear

    Chapter 1 in this service guide contains information about these units for reference. However, these units are not customer installable, serviceable, or replaceable. If you need assistance with these units, please contact your authorized Hitachi Data Systems service representative. 3–14 Replaceable parts...

  • Page 107: Replacing Parts

    Hitachi Data Systems support policy does not include end-user installation or maintenance for model AMS 2500, base unit, the high- density expansion unit, or the battery expansion unit. However, the Hitachi Data Systems Customer Assist program allows users to upgrade firmware in the AMS 2500 and add or replace disk drives in the RKAK expansion unit.

  • Page 108: Before Starting Maintenance

    CAUTION! Back up your data before adding or replacing hardware components. If a part is installed or configured incorrectly, it is possible to lose data from the system. Hitachi Data Systems strongly recommends that you back up your data to a remote array before beginning hardware upgrades or replacements.
  • Page 109 LED lights steadily before making any changes to the hardware. If you replace the control unit, you must also upgrade the firmware on that unit. See Chapter 10, Upgrading the Firmware in the Hitachi AMS 2100/ 2300 Users Guide, for instructions to upgrade the firmware.

  • Page 110: Unpacking, Removing, And Replacing Parts

    Observe the cautions in the sections that explain how to remove and replace parts. Wear an anti-static wrist strap that is connected to the array chassis when handling static-sensitive parts. 4–4 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 111: Replacing A Front Bezel

    3. Disengage the two hooks of the front bezel from the slots on the array chassis by lifting the bezel upward and then pulling it out and away from the base or expansion unit. Figure 4-1: Removing the Front Bezel 4–5 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 112: Removing The Front Bezel On The Modular 2U Sas Expansion Unit

    3. Remove the front bezel from the claws on the left side of the array’s main body. Figure 4-2: Removing the Front Bezel on the Modular 2U SAS Expansion Unit 4–6 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 113: Attaching A Front Bezel

    3. Fix the front bezel by pressing the right side of the front bezel to engage the hook of the front bezel with the ball catch. 4. Remove the key from the front bezel and store it in a safe place. 4–7 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 114: Replacing A Disk Drive

    Replacing a disk drive The hot-swappable feature of the Hitachi Data Systems AMS 2000 storage systems allows disk drive replacement with the array power ON. This procedure describes how to replace a disk drive when the array power is on.

  • Page 115: Unpacking A Disk Drive

    SAS expansion unit. The same numbering applies to both the base unit and the expansion unit. NOTE: Disk drive slots use the same numbers whether they contain a drive or not. 4–9 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 116 4-4, the disk drive numbering on the modular 2U SAS expansion unit is #0 to #23 from the left to right viewed from the front of the unit. Figure 4-4: Modular 2U SAS Expansion Unit Disk Drive Numbering 4–10 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 117: Replacing A Disk Drive

    LEDs do not indicate the correct status as described in the steps below, or if there is any indication in the error log or Navigator 2 Alerts windows that two drives in the same RAID Group have failed, please contact Hitachi Data Systems Support for assistance. See the...

  • Page 118: Removing A Disk Drive

    Figure 4-6: Removing a Disk Drive (Modular 2U SAS Expansion Unit) Table 4-3: Removing a Disk Drive Item Description Item Description Item Description Anti-static wrist Anti-static wrist strap Lock Lever strap clip Lock Tab Disk Drive 4–12 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 119: Installing A Disk Drive

    (dummy disk drive cover) from the slot where you want to install the new drive. You may note that cooling air is coming out of the open slot. 4–13 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 120 7. Repeat steps 3 through 6 for each disk drive that you are installing or replacing. 8. When you have installed all the new or replacement drives, replace the front bezel. Figure 4-9: Installing a Disk Drive 4–14 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 121 Figure 4-10: Installing a Disk Drive into Modular 2U SAS Expansion Unit 4–15 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 122: Replacing A Power Supply

    Tool needed Navigator 2. 4–16 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 123: Before You Begin

    3. Return the power supply to the container until you are ready to install it. Verifying that the power supply has failed Verify that the power supply has failed. See Chapter 2, Identifying failed parts. 4–17 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 124: Removing An Ams 2100/2300 Base Unit Power Supply

    NOTE: The power supply includes a safety lock. It prevents the lock lever from being opened until the power cable is disconnected from the power supply. This prevents the power supply from being removed from the aray with the power applied. 4–18 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 125 Table 4-6: Unlocked Base Unit Power Supply AMS 2100/2300 Item Description Safety Lock Lock Lever Lock Button Power Cable Retainer 4. Using both hands, slide the power supply out of the unit. See Figure 4- 4–19 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 126 Figure 4-12: Base Unit Power Supplies Table 4-7: Base Unit Power Supplies Item Description Item Description Power Supply 0 Power Supply 1 4–20 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 127: Removing An Expansion Unit Or Modular 2U Expansion Unit Power Supply

    1/2” (12 mm) out of the unit. Figure 4-14: Expansion Unit Power Supply Partly Removed Table 4-9: Expansion Unit Power Supply Partly Removed Item Description Item Description Power Supply 0 Power Supply 1 4–21 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 128: Installing A Power Supply

    7. Wait at least 20 seconds and then insert the power supply again. Repeat steps 3 - 6. If the Ready LED comes on go to step 9. If not, contact Hitachi Data Systems Technical Support. See the Getting Help section in the preface of the users guide or the service guide.

  • Page 129: Replacing A Backup Battery

    2. Verify that you have the correct model number. See Chapter 3, Replaceable parts. Verifying that the backup battery has failed Verify that the cache backup battery unit has failed. See Chapter 2, Identifying failed parts 4–23 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 130: Removing A Backup Battery

    NOTE: The depth of the cache backup battery about 8 inches (200 mm) and it weighs about 4-1/2 lbs (2.0 kg). Be careful when sliding it out of the base unit. 4–24 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 131: Installing A Cache Backup Battery

    3. While the battery is charging, the green Ready LED blinks slowly. Charge the battery until Ready LED stops blinking and changes to steady ON. This may take up to 12 hours. 4–25 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 132 Ready LED on the front of the base unit may blink rapidly for a maximum of 30 to 50 minutes. 7. Attach the front bezel. 8. The backup battery is not repairable. Recycle the removed backup battery according to local ordinances. 4–26 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 133: Replacing A Control Unit

    When the Alarm LED on the control unit is ON • When the Alarm LED and Reset LED on the base unit is OFF NOTE: Please contact Hitachi Data Systems Support Center before replacing a control unit. Tool needed Anti-static wrist strap.

  • Page 134: Replacing A Control Unit

    4. Push the blue lock buttons on the lock levers to unlock them. 5. Pull outward on both lock levers to disengage the connectors in the unit. Figure 4-17. 4–28 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 135 Figure 4-18: Removing a Control Unit Table 4-13: Removing a Control Unit Item. Description Item. Description Control Unit Anti-static Wrist Strap Support the control unit with both Anti-static Wrist Strap Clip hands 4–29 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 136: Installing A Control Unit

    (see Note) of the control unit which was inserted. If a control unit has not recovered after another 10 minutes, call Hitachi Data Systems technical support. See the Getting Help section in the Preface of this manual.

  • Page 137: Replacing A Host Connector

    Hitachi AMS 2500 Storage System Hardware Guide. Replacing a host connector This procedure describes how to replace a host connector. Host connectors are described in Chapter 4 in the Hitachi AMS 2100/2300 Storage System Hardware Guide. Tool needed •...

  • Page 138: Removing A Host Connector

    Host Connector Lock 3. Slide the host connector out of the base unit and put it on an antistatic mat or into a static-protective bag. Figure 4-19: Removing a Host Connector 4–32 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 139: Installing A Host Connector

    4. Observe the port LED and verify that it is ON. If it is not ON, there may be other failures. Table 4-16: Fibre Channel Port LED Item Description Fibre Channel Port LED 4–33 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 140: Replacing An Enc Unit

    ENC unit. 2. Note the LED status on the front of both the base and expansion units before replacing parts. See Chapter 4 in the Hitachi AMS 2000 Family Storage System Hardware Guide for a description of the LEDs and their functions.

  • Page 141: Task List

    Complete the following tasks to replace an ENC unit. For detailed information, see the sections with the same titles that are in the table. 1. Troubleshoot the array according to the instructions in the Hitachi AMS 2100/2300 Storage System Service Guide and the error message(s) and instructions in the Navigator 2 Alerts window.

  • Page 142: Removing An Enc Unit

    POWER LED GREEN PATH (OUT) Side (green) LOCATE LED See users guide. Console ORANGE ALARM LED PATH (IN) Side (green) This LED indicates that the ENC unit has failed. 4–36 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 143: Installing An Enc Unit

    When a controller on the base unit and an ENC unit in an expansion unit in the same path have failed at the same time, replace the controller first. See the Hitachi AMS 2100/2300 Storage System Control Unit Replacement Guide for instructions to replace a control unit.

  • Page 144: Replacing An Enc Cable

    2. Note the LED status on the front of both the base and expansion units before replacing parts. See Chapter 4 in the Hitachi AMS 2000 Family Storage System Hardware Guide for a description of the LEDs and their functions.

  • Page 145: Task List

    1. Within the ENC units that are connected to the ENC cable to be replaced, locate the ENC unit on the expansion array that is furthest from the base unit. Figure 4-23 shows how the units are connected together. 4–39 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 146 ENC unit out of the unit and unplug the unit from the connectors inside the expansion unit. The ENC unit will now be about 1/2 inch (12 mm) out of the unit. See Figure 4-24. 4–40 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 147 5. Disconnect the other end of the ENC cable from the ENC unit or control unit to which it is attached. It is not necessary to remove that ENC unit or the controller. 4–41 Replacing parts Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 148: Installing An Enc Cable

    30 to 50 seconds before it illuminates. Replacing parts in a high-density expansion unit Hitachi Data Systems support policy does not include end-user installation or maintenance for model AMS 2500 base unit, the high-density expansion unit, or the battery expansion unit.

  • Page 149: Maintenance

    The following key topics are covered: Before starting general maintenance Inspecting and cleaning the array Checking for loose or damaged cables or connectors Moving an array Long term array storage 5–1 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 150: Before Starting General Maintenance

    • To improve service for the occurrence and items user common to the array • Necessity to shorten the and a connected interval is recognized for system. other reason. 5–2 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 151: Inspecting And Cleaning The Array

    Use a vacuum cleaner to remove heavy dust collections. 6. Reattach the front bezel to the unit. Be careful not to pinch your fingers when the ball catches engage and pull the front bezel tightly to the unit. 5–3 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 152 Figure 5-1: Inspecting and Cleaning an AMS 2000 Family Storage System 5–4 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 153: Checking For Loose Or Damaged Cables Or Connectors

    Route the cables so that you do not trip on them. • Protect cables which cannot be routed within a rack and are laid on the floor including across a doorway. Use a cable duct to prevent wear on 5–5 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 154: Handling Under-Floor Cables

    3. Turn off all switches or circuit breakers on the power distribution buses in the rack. 4. Label the array and the interface cables so that you can easily reconnect them to the same connectors after you move the array. 5–6 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 155: Disconnecting Power From The Rack

    3. Locate the main power cables from the PDUs to the underfloor power connectors and unplug all of them. 4. Tie the main power cables to the rack frame to prevent them from dragging on the floor when moving the rack. 5–7 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 156: Disconnecting The Fibre Channel Interface Cable

    1. Remove the clamps (1) holding the Fibre channel cables to the rack. 2. Disconnect the Fibre channel cable retainer (2) from the cable. 3. Pull the cable out of the host connector. 5–8 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 157: Long Term Array Storage

    To prevent this from happening, charge the battery for a minimum of 24 hours at least once every six months. 5–9 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 158 5–10 Maintenance Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 159: Troubleshooting

    Troubleshooting This chapter provides information to help you identify and resolve problems that you may encounter with a Hitachi AMS 2000 Storage System. The following key topics are covered: Getting help Troubleshooting tables Troubleshooting flowcharts Recovering from failures Troubleshooting based on LED indications 6–1...

  • Page 160: Getting Help

    Getting help If you have difficulty with any of the procedures included in this chapter, or if a procedure does not provide the answer or results you expect, please contact the Hitachi Data Systems Customer Support team. See the Getting help section in the Preface of this manual.
  • Page 161 If these steps do not fix the problem, you may need to reinstall the Navigator 2 software. Corrupt Navigator 2 Reinstall Navigator 2. See Chapter 7 in the Hitachi installation AMS 2100/2300 and AMS 2500 Hardware Guides. Navigator 2 does...
  • Page 162 Navigator 2 is 2000. The secure port is 28355. Set network switch. a suitable value for the customer's environment. • Be sure to change the port number in the environment using the Cisco SIP Phone. 6–4 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 163 5. If these steps do not fix the problem, contact Technical Support. See Getting help in the Preface of this manual. 6–5 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 164 Ready LED Not a failure. Means that Use normally blinking power is connected to the power supply. Alarm LED ON The power supply has failed. Replace the power supply. 6–6 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 165 LED is on for 400 ms and off for 200 ms for each fast blink. After the number of fast blinks has completed, the LED is off for one second. 6–7 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 166: Troubleshooting Flowcharts

    No problem in the firewall setting Contact HDS Product Support. Is the failure recovered? Getting help in this chapter. Figure 6-1: Flowchart - Navigator 2 Does Not Start 6–8 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 167: Navigator 2 Cannot Connect To An Array

    (2) If the Power LED stays on when the Power switch is turned OFF, the array may not have powered off correctly. Turn the power on and back off again, then recheck the Power LED. Figure 6-2: Flowchart - Navigator 2 Cannot Connect to an Array 6–9 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 168: Recovering From Failures

    3. In the Arrays area, check the status and serial number of the array where the failure occurred (see Figure 6-3 on page 6-10). Figure 6-3: Locating the Array Name and Serial Number 6–10 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 169 If neither appears in the failure list window, a software failure may have occurred. See “Unidentified failure has occurred” in Table 6- 1:Problems and Solutions, on page 6-2. Figure 6-4: Example of the Failure Parts List Tab 6–11 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 170: Troubleshooting Based On Led Indications

    LEDs on the array. This section is intended to be used along with Table 6-2:LED Failure Indications, on page 6-6. Verify that a failure is recovered after taking the appropriate actions for the following LED indications. 6–12 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 171: The Power Led Does Not Turn On

    9. Is the READY LED on? Yes: Continue to use the equipment in its current operational state. If the READY LED (green) blinks at a high pace, the download of the ENC 6–13 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 172: The Power Led Has Turned Off

    Ready LED (green) on the base unit lights because the update of the flash program is executed. No: Go to step 5. 5. Turn off the Power switch. 6. After waiting for more than one minute, turn on the Power switch. 6–14 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 173: Alarm Led Has Turned On

    10. End of procedure. Alarm LED has turned on 1. Identify the components in which a failure occurs. 2. Replace the failed components. See the Hitachi AMS 2000 Family Storage System Service Guide for instructions. Warning LED has turned on or blinks 1.

  • Page 174: When An Unknown Failure Occurs In An Array

    Navigator 2 does not display the failed part information. Figure 6-6: Recovering a Failure That Cannot Specify the Failed Part 6–16 Troubleshooting Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 175: Errors

    Errors This chapter provides information about the errors and error messages that can be displayed by the Hitachi AMS 2000 Storage System software. The following key topic is covered: Error recovery 7–1 Errors Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 176: Error Recovery

    *This message (I1GG00) has set “Spare Drive” of “Configuration Settings” - “Restore Options” of the Hitachi Storage Navigator Modular 2 to variable (default value). This message is displayed after the disk drive restoration is completed if the capacity and the...

  • Page 177: Data Recovery (Dynamic Sparing From Data Disk To Spare Disk)

    W061HH Spare HDU alarm (Unit-x, HDU-y) W0Bzab Spare HDU alarm (Unit-x, HDU-y) W0Czab SATA Spare HDU alarm (Unit-x, HDU-y) ........: Spare Disk is blocked (see Note † and Note ††) 7–3 Errors Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 178: Copy Back

    †This message (W0Czab) has set “Spare Drive” of “Configuration Settings” - “Restore Options” of the Hitachi Storage Navigator Modular 2 to variable (default value), and it is displayed after the Disk Drive restoration is completed if the capacity and the...

  • Page 179: Confirming Completion Of Data Recovery Or Copy Back

    The values of storage capacity are calculated as 1 GB = 1,000,000,000 bytes. This definition is different from that (1 KB= 1,024 bytes) shown on PCs you are using. 7–5 Errors Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 180 11 Disk Drives (10D+1P) 13 Disk Drives (12D+1P) 16 Disk Drives (15D+1P) 4 Disk Drives (2D+2D) RAID 8 Disk Drives (4D+4D) 16 Disk Drives (8D+8D) 2 Disk Drives RAID 1 (1D+1D) 7–6 Errors Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 181 I/O operation is requested by a host computer. If an I/O operation is requested by a host computer, the time becomes longer. 7–7 Errors Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 182 7–8 Errors Hitachi AMS 2000 Family Storage System Service Guide...

  • Page 183: Glossary

    Glossary This glossary provides definitions of general storage networking terms as well as specific terms related to the technology that supports your Hitachi Simple Modular Storage 100 array. Click the letter of the glossary section to display that page. •...
  • Page 184 • # A B C D G H I G H I M N O P Q R S T U V W X Y R S T D E F Glossary–2 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 185 • # A B C D G H I G H I M N O P Q R S T U V W X Y R S T D E F Glossary–3 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 186 • # A B C D G H I G H I M N O P Q R S T U V W X Y R S T D E F Glossary–4 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 187 • # A B C D G H I G H I M N O P Q R S T U V W X Y R S T D E F Glossary–5 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 188 • # A B C D G H I G H I M N O P Q R S T U V W X Y R S T D E F Glossary–6 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 189 Storage Navigator Modular 2 A multi-featured scalable storage management application that is used to configure and manage the storage functions of Hitachi arrays. Also referred to as “Navigator 2.” Subnet In computer networks, a subnet or subnetwork is a range of logical addresses within the address space that is assigned to an organization.
  • Page 190 • # A B C D G H I G H I M N O P Q R S T U V W X Y R S T D E F Glossary–8 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 191 Hitachi AMS 2000 Family Storage System Service Guide...
  • Page 192 Hitachi Data Systems Corporate Headquarters 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 www.hds.com info@hds.com Asia Pacific and Americas 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 info@hds.com Europe Headquarters...

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