Document Outline

• Preface
  • Contents
    • Introduction
  • 1.1 The IBM System Storage DCS9550 1S1 Storage Expansion Unit
    • Figure 1-1 The DCS9550 SATA Disk Chassis Model 1S1 System
    • 1.1.1 Enclosure Chassis
      • Figure 1-2 Enclosure Chassis (Front)
      • Figure 1-3 Enclosure Chassis (Rear)
• 1.2 The Plug-in Modules
  • 1.2.1 Power Supply/Cooling Module
    • Figure 1-4 AC Power Supply/Cooling Module
  • 1.2.1.1 Multiple Power Supply/Cooling Modules
  • 1.2.2 Operators Panel
    • Figure 1-5 Ops Panel
  • 1.2.2.1 Ops Panel Indicators and Switches
    • Table 1-1 Ops Panel Switch Functions (Default settings for DCS9550 1S1 Storage Expansion UnitSCM usage at 2Gb/s)
      • Off
      • Off
      • Off
      • Off
      • Off
      • Off
      • Off
      • Off
      • On
      • Off
      • Off
      • On
      • On
      • On
      • On
      • Off
      • Off
      • Off
      • On
      • Off
  • 1.2.3 SCM Input/Output Module
    • Table 1-2 SCM I/O Module LEDs
    • Figure 1-6 SCM I/O Module
    • 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
  • 1.2.4 Drive Carrier Module
    • Figure 1-9 Drive Carrier Module
  • 1.2.4.1 SATA Dual Path Transition Card
  • 1.2.4.2 Drive Status Indicators
  • 1.2.4.3 Anti-tamper Locks
    • Figure 1-10 Anti-tamper Lock
  • 1.2.5 Dummy Carrier Modules
  • 1.2.6 Blank Modules
• 1.3 Visible and Audible Alarms
• 1.4 DCS9550 1S1 Storage Expansion Unit Technical Specification
  • 1.4.1 Dimensions
  • 1.4.2 Weight
  • 1.4.3 AC Power (450W PSU)
  • 1.4.4 PSU Safety and EMC Compliance
  • 1.4.5 Power Cord
  • 1.4.6 Environment
    • Table 1-3 Ambient Temperature and Humidity
      • 5˚C to 40˚C
      • 20% to 80%
      • non-condensing
      • 23˚C
      • 0˚C to +50˚C
      • 8% to 80%
      • non-condensing
      • 27˚C
      • 1˚C to +60˚C
      • 8% to 80%
      • non-condensing
      • 29˚C
      • -40˚C to +60˚C
      • 5% to 100%
      • non-precipitating
      • 29˚C
      • System must be operated with low pressure rear exhaust installation (Back pressure created by rack doors and obstacles not to exceed 5 pascals [0.5mm Water gauge])
      • 0 to 2133 m (0 to 7,000ft) (10,000ft at maximum ambient of 35˚C)
      • -305 to 12,192m (-1000 to 40,000ft)
      • Vertical axis 5g peak 1/2 sine, 10ms
      • 30g 10ms 1/2 sine
      • 0.21grms 5-500 Hz Random
      • 1.04grms 2-200 Hz Random
      • 0.3g 2-200 Hz sine
  • 1.4.7 Interfaces
  • 1.4.8 SCM I/O Module Specification
  • 1.4.9 Drive Carrier Module Specification
  • 1.4.10 Software Enclosure Services (SES) Support
  • 2
    • Installation
• 2.1 Planning Your Installation
  • Table 2-1 DCS9550 1S1 Storage Expansion Unit Configuration
  • Figure 2-1 Module locations
  • 2.1.1 Enclosure Bay Numbering Convention
• 2.2 Enclosure Installation Procedures
  • 2.2.1 Pre-Requisites
  • 2.2.2 Rack Mounting Rail Kit
  • 2.2.2.1 Parts Check List
  • 2.2.3 Chassis Installation
  • 2.2.3.1 Parts Check List
  • 2.2.3.2 Procedure
• 2.3 Power Supply/Cooling Module Installation
  • 2.3.1 Parts Check List
  • 2.3.2 Power Supply/Cooling Module Procedure
    • Figure 2-2 AC Power Supply/Cooling Module - Handle in Open Position
    • Figure 2-3 Installing an AC Power Supply Cooling Module (1)
    • Figure 2-4 Installing an AC Power Supply Cooling Module (2)
• 2.4 SCM I/O Module Configurations
  • 2.4.1 Internal Loop Structures
• 2.5 FC-AL Interface
• 2.6 Cabling the IBM System Storage DCS9550 1S1 Storage Expansion Unit
  • Figure 2-5 DCS9550 1S1 Storage Expansion Unit: Unit #1 Cabling
  • Figure 2-6 DCS9550 1S1 Storage Expansion Unit: Unit #2 Cabling
  • Figure 2-7 IBM System Storage DCS9550 Couplet Cabling
• 2.7 SCM I/O Module Installation
  • 2.7.1 Procedure
    • Figure 2-8 SCM Module Latch Operation
    • Figure 2-9 Installing an SCM I/O Module in Bay 4
• 2.8 Drive Enclosure Device Addressing
  • Table 2-2 Ops Panel Switch Functions (Default settings for DCS9550 1S1 Storage Expansion Unit SCM usage at 1Gb/s)
  • Notes 1 ON = switch to the left, OFF = switch to the right.
    • Table 2-3 Mode 1 Drive Addressing
    • Table 2-4 Drive Slot Arrangement: Enclosure Front View
  • Notes 1 Drives are numbered row/column.
  • 2 With only one active PSU the enclosure takes approximately 96 seconds to start all drives from Power On.
  • 3 * Denotes SES drives which should always be fitted.
• 2.9 Drive Carrier Configuration
  • 2.9.1 Planning and Configuring Your Installation
  • 2.9.1.1 System Configuration
  • 2.9.1.2 Drive Configuration
• 2.10 Drive Carrier Installation
  • 2.10.1 Parts Check List
  • 2.10.2 Procedure
    • Figure 2-10 Installing a SATA Drive Carrier Module (1)
    • Figure 2-11 Installing a SATA Drive Carrier Module (2)
    • Figure 2-12 Installing an SATA Drive Carrier Module (3)
  • 2.10.3 Dummy Carrier Modules
  • 2.10.4 Engaging the Anti-tamper Locks
  • 2.10.4.1 Activating the Locks
    • Figure 2-13 Activating the Anti-tamper Lock
• 2.11 Power Cord Connection
  • 2.11.1 Parts Check List
  • 2.11.2 Procedure
• 2.12 Grounding Checks
  • Warning 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 LEAKAGE CURRENT” (“TOUCH CURRENT”).
  • 3
    • Operation
• 3.1 Power On
  • 3.1.1 Power Supply/Cooling Module LEDs
    • Table 3-1 PSU LEDs
• 3.2 Ops Panel LEDs
  • Figure 3-1 Ops Panel LEDs and Switches
  • Table 3-2 Ops Panel LED States
• 3.3 Starting the Drives
  • 3.3.1 Disk Drives LEDs
• 3.4 Power Down
  • 4
    • Troubleshooting and Problem Solving
• 4.1 Emulation Limitations
• 4.2 Initial Start-up Problems
  • 4.2.1 Faulty Cords
  • 4.2.2 Alarm Sounds On Power Up
  • 4.2.3 Green “Signal Good” LED on SCM Not Lit
  • 4.2.4 Computer Doesn’t Recognize the DCS9550 1S1 Storage Expansion Unit
• 4.3 LEDs
  • 4.3.1 Power Supply/Cooling Module
    • Table 4-1 PSU LEDs
  • 4.3.2 Ops Panel
    • Figure 4-1 Ops Panel
    • Table 4-2 Ops Panel LED States
  • 4.3.3 SCM I/O Module LEDs
    • Table 4-3 SCM I/O Module LEDs
• 4.4 Audible Alarm
  • 4.4.1 Audible Alarm Mute
• 4.5 Troubleshooting
  • 4.5.1 System Faults
    • 1 The SYSTEM LED will illuminate AMBER on the SCM
    • 2 Audible Alarm sound
    • 1 Check for other AMBER LED indications on the Power Supply/Cooling modules. If there is a PSU error present there may be a comm...
    • 2 Check for other AMBER LED indications on the drive carriers. If none are evident then there may either be an ESI processor problem or a Backplane problem.
    • 3 Ops Panel module faulty. Please contact your supplier.
  • 4.5.2 Power Supply/Cooling Faults
    • 1 Ops Panel FAULT LED AMBER
    • 2 An AMBER LED on one or more Power Supply/Cooling Modules.
    • 3 Audible Alarm Sounding.
    • 1 Any power fault.
    • 2 A fan failure.
    • 3 A thermal condition which could cause PSU overheating.
    • 1 Check Power On/Off Switch on rear of Power Supply/Cooling module is switched ON.(not accessible on later models)
    • 2 Check AC Mains Connections to Power Supply/ Cooling module is live.
    • 3 Disconnect the Power Supply/Cooling module from mains power and remove the module from the system. Re-install: if problem persists, replace Power Supply/Cooling Module.
    • 4 Reduce the ambient temperature.
  • 4.5.3 Thermal Control
    • 1 Check the installation for any airflow restrictions at either the front or rear of the enclosure. A minimum gap of 25mm at the front and 50mm at the rear is recommended.
    • 2 Check for restrictions due to dust build-up; clean as appropriate.
    • 3 Check for excessive re-circulation of heated air from rear to the front, use in a fully enclosed rack installation is not recommended.
    • 4 Check that all Blank modules are in place.
    • 5 Reduce the ambient temperature.
  • 4.5.4 Thermal Alarm
    • 1 Ops Panel FAULT LED AMBER.
    • 2 An AMBER LED on one or more Power Supply/Cooling Modules.
    • 3 Audible Alarm Sounding.
    • 4 Air temperature exiting PSU above 55˚C.
    • 1 Check local ambient environment temperature is below the upper 40˚C specification.
    • 2 Check the installation for any airflow restrictions at either the front or rear of the enclosure. A minimum gap of 25mm at the front and 50mm at the rear is recommended.
    • 3 Check for restrictions due to dust build-up, clean as appropriate.
    • 4 Check for excessive re-circulation of heated air from rear to the front, use in a fully enclosed rack installation is not recommended.
    • 5 If possible shutdown the enclosure and investigate the problem before continuing.
  • 4.5.5 Thermal Shutdown
• 4.6 Drive Carrier Module Faults
  • Table 4-4 LED Functions
  • 4.6.1 Dummy Carrier Modules
• 4.7 Dealing with Hardware Faults
• 4.8 Continuous Operation During Replacement
• 4.9 Replacing a Module
  • 4.9.1 Power Supply/Cooling Modules
  • 4.9.1.1 Removing a Power Supply/Cooling Module
  • 4.9.1.2 Inserting the Module
    • Figure 4-2 Removing/Inserting an AC Power Supply/Cooling Module (1)
    • Figure 4-3 Removing/Inserting an AC Power Supply/Cooling Module (2)
    • Figure 4-4 Removing/Inserting an AC Power Supply/Cooling Module (3)
  • 4.9.2 Ops Panel
  • 4.9.3 SCM I/O Module
  • 4.9.3.1 Removing the Module
    • Figure 4-5 Removing an SCM I/O Module (1)
    • Figure 4-6 Removing an SCM I/O Module (2)
  • 4.9.3.2 Inserting the Module
    • Figure 4-7 SCM I/O Module Latch Operation
  • 4.9.4 Drive Carrier Module
  • 4.9.4.1 Removal and Replacement
• 4.10 Spare Parts and Ancillary Items
  • Glossary
    • ASCII
    • ATA
    • (Advance Technology Attachment)
    • Attribute
    • Backplane
    • Bay
    • Byte
    • Cable
    • Character
    • Characters Per Second
    • Chassis
    • Configure
    • Data Communications
    • Disk (drive, carrier, module)
    • Enclosure
    • ESI/Ops module
    • Hot plugging
    • Hot swap
    • Hz (Hertz)
    • Initialize
    • LED
    • Module (power supply, drive, I/O)
    • Operating system
    • Parallel Transmission
    • Power Cord
    • Protocol
    • Redundant
    • SCM I/O module (Serial ATA Control I/O module)
    • Serial Transmission
  • Index
    • a
    • b
    • c
    • d
    • e
    • f
    • l
    • o
    • p
    • r
    • s
    • v
• Notices
• Readers Comments