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IBM DCS9550 1S1 Installation & Service Manual

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IBM System Storage
DCS9550 1S1 Storage Expansion Unit
Installation, Service, and User Guide
SC30-9738-00

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  Summary of Contents for IBM DCS9550 1S1

  • Page 1 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide SC30-9738-00...
  • Page 2 Order publications through your IBM representative or the IBM branch office serving your locality. No part of this document covered by copyright may be reproduced in any form or by any means—graphic, electronic, or mechanical, including photocopying, recording, taping, or storage in an electronic retrieval system—without prior...
  • Page 3 IBM to assist you. This section contains information about where to go for additional information about IBM and IBM products, what to do if you experience a problem with your IBM System Storage DCS9550 product, and whom to call for service, if it is necessary.
  • Page 4: Qualified Personnel

    Do not try to lift the enclosure by the handles on the PSU/Cooling module. The handles are not designed to support the weight of the populated enclosure. Figure P-1 Weight Handling Label: Lifting and Tipping Figure P-2 Pinch Hazard Label: keep Hands Clear IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 5: Safety Guidelines

    LEAKAGE CURRENT (TOUCH CURRENT), the enclosure must be connected to at least two separate and independent Warning sources. This should ensure a reliable earth connection IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide P r e f a c e...
  • Page 6 Do not remove covers from the Power Supply Unit (PSU). The is the Danger of electric shock. Return the damaged PSU to your supplier for repair. Warning IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 7 Figure P-7 I/O Module Caution Label (Do not operate with modules missing) Figure P-8 Drive Carrier Module Caution Label (Drive Spin down time 30 seconds) IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide P r e f a c e...
  • Page 8: Electronic Emission Notices

    Federal Communications Commission (FCC) Class A Statement IBM is not responsible for any radio or television interference caused by unauthorized changes or modifications to this product. This product complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this product must not cause harmful interference, and (2) this product must accept any interference received, including interference that may cause undesired operation.
  • Page 9 Fall kann vom Betreiber verlangt werden, angemessene Masnahmen durchzufuhren und dafur aufzukommen. Anmerkung: Um die Einhaltung des EMVG sicherzustellen, sind die Gerate wie in den IBM Handbuchern angegeben zu installieren und zu betreiben. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 10: Korean Class A Electronic Emission Statement

    • If you remove a drive module, replace it immediately. Replace it with a drive module of the same type and capacity • Do not abandon your backup routines. No system is completely foolproof. viii IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 11: Taiwan Contact Information

    You can also mail your comments by using the Readers’ Comments Form in the back of this manual or direct your mail to: International Business Machines Corporation Information Development Dept. GZW 9000 South Rita Road Tucson, AZ 85744–0001 U.S.A. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 12 P r e f a c e IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 13 P r e f a c e IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 14: Table Of Contents

    Faulty Cords ... 37 4.2.2 Alarm Sounds On Power Up ... 38 4.2.3 Green “Signal Good” LED on SCM Not Lit ... 38 4.2.4 Computer Doesn’t Recognize the DCS9550 1S1 Storage Expansion Unit ... 38 4.3.1 Power Supply/Cooling Module ... 38 Contents...
  • Page 15 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide 4.3.2 4.3.3 4.4.1 4.5.1 4.5.2 4.5.3 4.5.4 4.5.5 4.6.1 4.9.1 4.9.2 4.9.3 4.9.4 xiii Ops Panel ... 39 SCM I/O Module LEDs ... 41 Audible Alarm Mute ... 41 System Faults ...
  • Page 16: Introduction

    The IBM System Storage DCS9550 1S1 Storage Expansion Unit Figure 1–1 The DCS9550 1S1 Storage Expansion Unit design concept is based on a subsystem together with a set of plug-in modules. The DCS9550 1S1 Storage Expansion Unit subsystem as supplied comprises: •...
  • Page 17: Enclosure Chassis

    The DCS9550 1S1 Storage Expansion Unit is shipped in a preconfigured 42U rack configuration, except for the top three in the rack with the controllers or top two in an expansion rack. Refer to the IBM System Storage DCS9550 Installation, Service, and User Guide.
  • Page 18: Power Supply/Cooling Module

    Introduction 1.2 The Plug-in Modules An DCS9550 1S1 Storage Expansion Unit requires one or more of the following modules for normal operation: 1.2.1 Power Supply/Cooling Module Two auto ranging AC 450WPower Supply/Cooling modules (Figure 1–4) are supplied mounted in the rear of the enclosure as part of the subsystem core product.
  • Page 19: Operators Panel

    Ops Panel Switch Functions (Default settings for DCS9550 1S1 Storage Expansion Function Recommended Setting Not Used Not Used Not Used Not Used Not Used Not Used IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Definition Figure 1–5.
  • Page 20: Scm Input/Output Module

    1.2.3 SCM Input/Output Module The DCS9550 1S1 Storage Expansion Unit includes an enclosure with rear facing bays which houses one or two SATA Control Interface Adaptor (SCM I/O) modules (see The plug-in SCM I/O modules have been designed for integration into a DCS9550 1S1 Storage Expansion Unit, providing external FCAL cable interfacing with up to 16 SATA disk drives.
  • Page 21 Storage Router Device Ready Storage Router Device not ready or defective Fault present (also On when booting) Successful controller initialization SCM I/O Module IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Green Flashing Green Amber...
  • Page 22 Introduction Figure 1–7 SCM Front Panel (as viewed from rear of Enclosure) Figure 1–8 DCS9550 1S1 Storage Expansion Unit with SCM I/O Modules Installed IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 23: Drive Carrier Module

    ON and will flicker as the drive operates.The amber indicator is OFF during normal operation and ON if there is a drive fault present. Drive Carrier Module IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 24: Dummy Carrier Modules

    The Ops Panel also incorporates an Audible Alarm to indicate when a fault state is present and also an Alarm Mute push-button. ATTENTION The Ops Panel is an integral part of the enclosure chassis assembly and is not field replaceable. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide (Figure Anti-tamper Lock Introduction 1–10) and are accessed through the small cutout in...
  • Page 25: Dimensions

    CFR47 Part 15B Class A EN55022 EN55024 SV or SVT, 18 AWG minimum, 3 conductor 250V, 10A IEC 320 C-14, 250V, 15A IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide inches millimeters 5.12 19.0 19.7...
  • Page 26: Environment

    Acoustics Orientation & Mounting • Rack Rails • Rack Characteristics Safety & Approvals IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Ambient Temperature and Humidity Temperature Range Relative Humidity 5°C to 40°C 20% to 80% non-condensing 0°C to +50°C...
  • Page 27: Interfaces

    Power Dissipation 1.4.9 Drive Carrier Module Specification Please contact your supplier for details of approved drives. Important Operating the DCS9550 1S1 Storage Expansion Unit with non-approved drives may invalidate the warranty. Module Dimensions Weight Transition card Operating Temperature 5° C to 40° C (when installed in an RS-1602 system enclosure with dual Power...
  • Page 28: Software Enclosure Services (Ses) Support

    The enclosure has a sophisticated self-monitoring and reporting function which conforms to ANSI SES specifications.This reports on such topics as: • Enclosure temperature • Fan speed • Drive condition • Operator panel status IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Introduction...
  • Page 29 Introduction This page is intentionally blank. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 30: Installation

    In this chapter, you are shown how to install your DCS9550 1S1 Storage Expansion Unit and plug-in modules into an industry standard 19 inch rack cabinet. Caution Planning Your Installation Before you begin installation you should become familiar with the configuration requirements of your DCS9550 1S1 Storage Expansion Unit, detailed in Table 2–1.
  • Page 31: Enclosure Bay Numbering Convention

    1 x 4 bay module would take the space of 1 drive width by 4 drive bays high (in the rack mount configuration). The DCS9550 1S1 Storage Expansion Unit is housed in a 4 x 4 enclosure, that is, 4 bays wide by 4 bays high.
  • Page 32: Pre-Requisites

    DCS9550 1S1 Storage Expansion Unit may be installed without loss of space within the rack. Use of other mounting hardware may cause some loss of rack space.
  • Page 33: Parts Check List

    Handle the module carefully and avoid damaging the connector pins. Do not install the module if any pins appear to be bent. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 34 Figure 2–2 Figure 2–3 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Install the Power Supply/Cooling module (PSU 0) in the bay on the right side (Rear Bay 1) of the enclosure in an “upside down” orientation. If necessary, reorient the power cord clip so that the power cord can be properly retained.
  • Page 35: Internal Loop Structures

    Important 2.4.1 Internal Loop Structures The DCS9550 1S1 Storage Expansion Unit is configured with one internal loop of 16 drives. FC-AL Interface The SCM (I/O) interface module provides an external FC-AL interface via SFP connection.The SCM module facilitates the emulation of fibre channel drives by ATA/SATA drives by converting FC protocols to ATA/SATA protocols.
  • Page 36 Cabling the IBM System Storage DCS9550 1S1 Storage Expansion Unit The following figures illustrates how to cable the DCS9550 1S1 Storage Expansion Unit to the couplets (Unit 1 and Unit 2) and the couplets to each other. Unit 1—A Unit 1—B Unit 1—C...
  • Page 37 Unit 2— E Unit 2— F Unit 2— G Unit 2— H Unit 2— P Figure 2–6 Unit 2— S DCS9550 1S1 Storage Expansion Unit: Unit #2 Cabling IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 38: Procedure

    Cam the module home by manually closing the latches (see Figure 2–9). You should hear a click as the latch engages. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide The SCM I/O modules must be installed in Rear Bay 3 and 4 location [see Figure 2–1, ”Module locations”, on page...
  • Page 39: Drive Enclosure Device Addressing

    Sw 7 Speed Select Drive Sw 9 Addressing Mode Selection IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Figure 1–2 on page 2) at the rear of the Definition Sw 8 Force 2Gb/s Sw 10...
  • Page 40 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Ops Panel Switch Functions (Default settings for DCS9550 1S1 Storage Expansion Unit...
  • Page 41: Planning And Configuring Your Installation

    System Configuration Important When planning your system configuration, please remember that: • All DCS9550 1S1 Storage Expansion Unit drive bays must be filled with either a drive carrier or front dummy fascia. No bays should be left completely empty. 2.9.1.2...
  • Page 42: Parts Check List

    (Figure 2–12). Note IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide For a Rack Mounted System: Ensure that the carrier is oriented so that the drive is uppermost and the handle opens from the left.
  • Page 43 Installation Figure 2–10 Figure 2–11 Installing a SATA Drive Carrier Module (1) Installing a SATA Drive Carrier Module (2) IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 44: Dummy Carrier Modules

    Rotate the key in a clockwise direction until the indicator is visible in the aperture beside the key. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Installing an SATA Drive Carrier Module (3) Removal is the reverse of this procedure (press on the latch to release the handle).
  • Page 45: Parts Check List

    A drive carrier cannot be installed if its anti-tamper lock is activated outside the enclosure. The power connections must always be disconnected prior to removal of the Power Supply/Cooling module from the enclosure. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 46: Grounding Checks

    IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide If more than one product is fitted in a rack, the earth connection to the rack is even more important, because the rack will then have a high “EARTH...
  • Page 47 Installation This page is intentionally blank. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 48: Operation

    If mains power is lost for any reason, on restoration of power the enclosure will re-start automatically. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Do not operate the subsystem until the ambient temperature is within the specified operating range.
  • Page 49: Power Supply/Cooling Module Leds

    • If a problem is detected the color of the relevant LED will change to AMBER. Table 3–1 AC PSU PSU Good AC input Fail Amber Fan Fault DC Output Fail PSU LEDs Green Amber Amber IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 50: Ops Panel Leds

    Address Power On System Fault PSU/Cooling Fault IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Ops Panel LEDs and Switches Definition Indicates that an invalid Enclosure ID has been selected or that the selection has changed after Power...
  • Page 51: Disk Drives Leds

    • Switch off the Power Supply/Cooling modules installed in the Enclosure. • Remove AC Mains at the power source Definition Indicates link speed Not Used IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Color Normal Fault Status...
  • Page 52: Troubleshooting And Problem Solving

    • cords are missing or damaged • plugs are incorrect • cords are too short Call your supplier for a replacement. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Troubleshooting and Problem Solving Table 4–2.
  • Page 53: Alarm Sounds On Power Up

    4.2.4 Computer Doesn’t Recognize the DCS9550 1S1 Storage Expansion Unit Check that the FC-AL interface cables from the DCS9550 1S1 Storage Expansion Unit to the host computer, or RAID controller, are fitted correctly. Check the Enclosure ID switch settings on your DCS9550 1S1 Storage Expansion Unit and on your system host.
  • Page 54: Ops Panel

    The Ops Panel displays the aggregated status of all the modules. The Ops Panel LEDs are shown in Figure 4–1 module see Section 4.9. Note Figure 4–1 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide PSU LEDs • PSU Good • AC input Fail • Fan Fault • DC Output...
  • Page 55 Power On Enclosure Powered On PSU Cooling fault or enclosure over-temperature. Indicates link speed Not Used IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Color Normal Fault Status Status Amber Off...
  • Page 56: Scm I/O Module Leds

    The Alarm Mute push-button can also be used to test the LEDs on the Ops Panel. When the Mute push-button is held, all LEDs will be illuminated if there are no faults present. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Table...
  • Page 57: System Faults

    PSU overheating. 4 Reduce the ambient temperature. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Power Supply/Cooling modules. If there is a PSU error present there may be a communications problem with that Power Supply/Cooling module.
  • Page 58: Thermal Control

    4.5.3 Thermal Control The DCS9550 1S1 Storage Expansion Unit uses extensive thermal monitoring and takes a number of actions to ensure component temperatures are kept low and also to minimize acoustic noise. Air flow is from front to rear of the enclosure.
  • Page 59: Thermal Alarm

    For thermal warnings please refer to the SES specification. LED Functions Green Amber On/Blink off IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Action 1 Check local ambient environment temperature is below the upper 40°C specification.
  • Page 60: Dummy Carrier Modules

    DCS9550 1S1 Storage Expansion Unit. Caution Observe all conventional ESD precautions when handling the DCS9550 1S1 Storage Expansion Unit modules and components. Avoid contact with Backplane components and module connectors, etc. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide If the DCS9550 1S1 Storage Expansion Unit is powered up and you remove any module, replace it immediately.
  • Page 61: Power Supply/Cooling Modules

    Figure The alarm will sound until the new Power Supply/Cooling module is operating correctly. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide (Figure 4–2) and open the handle to cam Figure 4–4).
  • Page 62 Figure 4–2 Figure 4–3 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Removing/Inserting an AC Power Supply/Cooling Module (1) Removing/Inserting an AC Power Supply/Cooling Module (2) Troubleshooting and Problem Solving...
  • Page 63: Ops Panel

    The system must not be run without all units in place. Electrically this unit can be hot plugged but the FC connection will be disconnected. (Figure 4–7). IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide for full information on (Figure 4–5).
  • Page 64 Figure 4–5 Figure 4–6 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Removing an SCM I/O Module (1) Removing an SCM I/O Module (2) Troubleshooting and Problem Solving...
  • Page 65: Drive Carrier Module

    Please see section 2.9 for information on the initial installation of the plug-in modules in the DCS9550 1S1 Storage Expansion Unit. Caution Observe all conventional ESD precautions when handling the DCS9550 1S1 Storage Expansion Unit modules and components. Avoid contact with backplane components and module connectors, etc. 4.9.4.1...
  • Page 66: Spare Parts And Ancillary Items

    Withdraw the module from the drive bay and fit a replacement module in accordance with the instructions in Section 2.9. 4.10 Spare Parts and Ancillary Items The following replaceable parts are available for the DCS9550 1S1 Storage Expansion Unit: IBM MTM 1269-1S1 SATA Disk Chassis FRUs IBM Part Number...
  • Page 67 Troubleshooting and Problem Solving This page is intentionally blank. IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 68 1 kilobyte (K) is equal to 1,024 bytes or characters; 64K indicates 65,536 bytes or characters. Cable Throughout this DCS9550 1S1 Storage Expansion Unit user guide this term is used in accordance with the preferred US context of: “an insulated flexible electric wire used for the transmission of data signals between computer equipment.”...
  • Page 69 Module (power supply, drive, I/O) A module is a power supply, disk drive or electronics unit held in a carrier that plugs into a bay inside the enclosure. An IBM System Storage DCS9550 1S1 Storage Expansion Unit can contain sixteen drive modules, two power supply/cooling modules and two SCM I/O modules.
  • Page 70 Index AC PSU 2, 3 Alarm Mute push-button 9, 41 anti-static wrist or ankle strap 17 anti-tamper lock 9, 29, 50 ATA SMART data 37 Audible Alarm 4, 9, 41, 42, 44 Backplane 1, 2, 17, 45, 50 bay 15, 16 blank I/O module 9 chassis 2, 18 Disk 36...
  • Page 71 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide Serial ATA Control (SCM) Input/Output module 2 serial ATA protocol 20 SES 26 starting drives 36 SYSTEM LED 42 Visible and Audible Alarms 9...
  • Page 72 The materials at those web sites are not part of the materials for this IBM product and use of those web sites is at your own risk.
  • Page 73: Product Recycling And Disposal

    European Union. This label is applied to various products to indicate that the product is not to be thrown away, but rather reclaimed upon end IBM System Storage: DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide ®...
  • Page 74 WEEE. Customer participation is important to minimize any potential effects of EEE on the environment and human health due to the potential presence of hazardous substances in EEE. For proper collection and treatment, contact your local IBM representative. Notices...
  • Page 75 IBM System Storage: DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide...
  • Page 76 When you send comments to IBM, you grant IBM a nonexclusive right to use or distribute your comments in any way it believes appropriate without incurring any obligation to you. IBM or any other organizations will only use the personal information that you supply to contact you about the issues that you state on this form.
  • Page 77 Readers’ Comments — We’d Like to Hear from You SC30-9738-00 Fold and Tape _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ BUSINESS REPLY MAIL FIRST-CLASS MAIL PERMIT NO.
  • Page 79 Printed in USA SC30-9738-00...