Infortrend A12U/A08U-G2421 3.4 I, C Monitoring

EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual

3.4 I

C Monitoring

Module presence detection and the general working status of cooling fan and other

modules are monitored through an I2C serial bus. If any of these modules fails, the

failure will be detected and you will be notified via the various methods described

above.

3-10 I2C Monitorin

Contents

Main EonStor A12U/A08U-G2421 Installation and Hardware Reference Manual Contact Information ii Asia Pacific Americas China Copyright 2005 This Edition First Published 2005 Disclaimer Trademarks Warnings and Certifications FCC (applies in the U.S. and Canada) CB FCC Class B Radio Frequency Interference Statement Table of Contents Page Page Safety Precautions Precautions and Instructions ESD Precautions About This Manual Who Should Read This Manual? Related Documentation RAIDWatch Users Manual Conventions Important Messages Warnings Cautions Notes Steps Software and Firmware Updates Chapter 1 Introduction 1.1 Product Overview 1.1.1 Introduction 1.1.2 Model Variations NOTE: 1.1.3 Enclosure Chassis 1.1.3.1 Chassis Overview Page 1.1.3.2 Physical Dimensions 1.1.3.3 Front Panel Overview 1.1.3.4 Hard Drive Numbering 1.1.3.5 Rear Panel Overview Page 1.1.3.6 Backplane Board 1.2 Subsystem Components 1.2.1 LCD Panel 1.2.2 Drive Trays WARNING! 1.2.3 The RAID Controller Module Controller Module Interfaces DIMM Module 1.2.4 Battery Backup Unit 1.2.5 Power Supply Units NOTE: 1.2.6 Cooling Fan Modules Advanced Fault-Preventative Operation Intelligent Dual Speed Operation NOTE: 1.3.1 I 1.3 Subsystem Monitoring C Bus 1.4 Hot-Swappable Components 1.4.1 Hot-Swap Capabilities 1.4.2 Components 1.4.3 Normalized Airflow Chapter 2 Hardware Installation 2.1 Introduction 2.2 Installation Prerequisites 2.3 Safety Precautions 2.3.1 Precautions and Instructions 2.3.2 Static-Free Installation 2.3.3 BBU Warnings and Precautions 2.4 General Installation Procedure 2.4.1 Installation Procedure Flowchart 2.5 Unpacking the Subsystem 2.6 Installation Overview 2.6.1 Pre-installed Components 2.6.2 Uninstalled Components 2.7 Rackmounting 2.7.1 Considerations for Installation Site and Chassis 2.7.2 Mounting Holes Positions 2.8 BBU Installation 2.8.1 BBU Module Installation Overview 2.8.2 Installation Procedure IMPORTANT! 2.9 Hard Drive Installation WARNING! 2.9.1 Hard Drive Installation Pre-requisites CAUTION! 2.9.2 Drive Installation 2.10 Drive Tray Installation Page Page Chapter 3 System Monitoring 3.1 Subsystem Monitoring Overview Page 3.2 Status-indicating LEDs 3.2.1 Brief Overview of the LEDs 3.2.2 Controller Module LEDs 3.2.3 Ethernet Port LEDs Page 3.2.5 Drive Tray LEDs 3.2.6 BBU Module LED 3.2.7 PSU LED 3.2.8 Cooling Fan Module LED 3.3 Audible Alarm 3.3.1 Default Threshold Values NOTE: 3.3.2 Failed Devices NOTE: 3.4 I C Monitoring Chapter 4 System Connection and Operation 4.1 SCSI Connection Overview 4.1.1 SCSI Cables 4.1.2 SCSI Port on the Controller Rear Panel 4.1.3 SCSI Termination 4.2 Host Connection Topology 4.2.1 Single Host NOTE: 4.2.2 Dual Hosts 4.3 Power On 4.3.1 Power On Checklist 4.3.2 Power On Sequence 4.3.3 Power On Procedure CAUTION! 4.3.4 Power On Status Check NOTE: 4.3.5 LCD Screen Ready A12U-G2421 4.4 Power Off Procedure Page 4.3.5 LCD Screen Ready A12U-G2421 Page Chapter 5 System Maintenance 5.1 Overview 5.1.1 About Subsystem Maintenance WARNING! 5.1.2 General Notes on Component Replacement 5.2 Replacing Controller Module Components 5.2.1 Overview 5.2.2 Notes on Controller Module Maintenance 5.2.3 Removing the Controller Module Page 5.3 Replacing or Upgrading Memory Modules 5.3.3 DIMM Module Installation WARNING! Page 5.4 Replacing a Faulty BBU IMPORTANT! 5.5 Replacing a Failed PSU Module 5.5.1 Notes on PSU Module Maintenance WARNING! 5.5.2 Replacing the PSU Module Page Page 5.6 Replacing a Failed Cooling Fan Module 5.6.1 Notes on Cooling Fan Module Maintenance WARNING! 5.6.2 Replacing a Cooling Fan Module WARNING! 5.7 Drive Tray Maintenance 5.7.1 Notes on Hard Drive Maintenance Page 5.7.2 Replacing a Failed Hard Drive WARNING! Page Appendix A Subsystem Specifications A.1 Technical Specifications Page A.2 Controller Specifications A.3 Drive Tray Specifications A.4 Power Supply Specifications A.5 Cooling Module Specifications A.6 RAID Management A.7 Fault Tolerance Management Page Appendix B Spare Parts and Accessories B.1 Spare Parts B.1.1 Spare Parts Overview B.1.2 Spare Parts List B.1.3 Controller Modules B.2 Accessories and Optional Items B.2.1 Accessories Overview B.2.2 Accessory Parts List Appendix C Pinouts C.1. SCSI Port: VHDCI Connector Pinouts C.2. COM1 Cable: DB9 and Audio Jack Pinouts COM 1 Cable: Connects a PC running a terminal emulation program Page Index - A - - E - - F - - M - - N - - P - - R - - S -