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Sun Microsystems 120, V120 8.9 Checking the Status of the Servers Fans

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Chapter 8 Managing the Server From thelom> Prompt 8-23

8.9 Checking the Status of the Server’s Fans

Event reports about the fans inside the server include the number of the fan to

which they relate. Fans 1 and 2 expel hot air from the server; Fan 3 cools the CPU.

Fan 4 is the power supply fan; if this fan fails, you must replace the PSU.

FIGURE8-4 Locations of Fans 1, 2, 3, and 4

●Tocheck the status of the fans, type:

lom> environment

Fan 1

Fan 2

Fan 1

Fan 4

Fan 3

Contents

Main Please Recycle Contents Page Page Page Page Page Page Page Figures Page Page Page Tables Page Preface How This Book Is Organized Using Solaris Commands Typographic Conventions Shell Prompts AaBbCc123 Related Documentation Accessing Sun Documentation Online Sun Welcomes Your Comments Safety Precautions Symbols Caution Page Page Page Introduction 1.1 Overview of the Sun Fire V120 and Netra 120 Servers 1.2 Contents of the Ship Kit Page 1.3 Optional Hardware and Software Page 1.5 Back Panel the power inlets, they are identical to the components on the back panel of the Sun Fire V120. 1.6 The Fans Inside the Sun Fire V120 and Netra 120 Servers 1.7 Tools You Need for Installation 1.8 Environmental Specifications 1.8.1 Tolerance of Environmental Conditions 1.8.2 Acoustic Noise Generated by the Server 1.8.3 Environmental Compliance Information 1.9 Choosing Between a Rack and a Cabinet Power and Cooling Note 2.1 Operating Power Limits and Ranges Note 2.2 Power Consumption Note 2.3 Estimating Heat Dissipation Using DC Power 3.1 Grounding the Netra 120 Server Note Caution Note 3.2 Assembling the DC Power Connectors 3.2.1 The Insulated Conductors You Need to Use 3.2.2 Assembling the DC Input Power Cable Caution Page Page Page 3.2.3 Installing the Strain Relief Housings Page Page Page Installing Optional Hardware Components 4.1 Installing and Removing Hot-Pluggable SCSI Hard Disk Drives Note Page 4.2 Opening the Server Page 4.3 Identifying Server Components 4.4 Installing and Removing a DVD or CD-ROM Drive ! Caution 4.4.1 Installing a DVD or CD-ROM Drive Note Page 4.4.2 Removing a DVD or CD-ROM Drive 4.5 Installing and Removing Memory Note 4.6 Installing and Removing a PCI Card 4.6.1 Installing a PCI Card Note Page Page 4.6.2 Removing a PCI Card 4.7 Replacing the Servers Top Cover Page Page Installing the Server Into a Rack 5.1 Installing Into a 19-Inch Four-Post Rack 5.1.1 The 19-Inch Rackmounting Kit 5.1.2 Assembling the Slides and Mounting the Server Page Page Page Page Page Page 5.1.3 Fitting the Cable Management Bracket 5.1.4 Tips for Using a Sun StorEdge 72-inch Rack 5.2 Installing Into a Two-Post Relay Rack 5.2.1 The Fixed Mounting Bracket Kit 5.2.2 Attaching the Fixed-Mounting Brackets Note Page Connecting the Cables 6.1 Connecting the Cables to the Server Caution 6.2 Using a Single DC Power Cord 6.3 Setting Up Serial Connections Note 6.3.1 Connecting to a Terminal Server Note 1 of the RJ-45 serial port is on the left, and pin 8 is on the right. 6.3.2 Using a DB-25 Adapter for Your Serial Link 6.3.3 Using a DB-9 Adapter for Your Serial Link 6.3.4 Settings for the Serial Connections Note 6.4 Connecting to Your Server Froma Laptop Running Microsoft Windows 6.4.1 Connecting the Sun Fire V120 or Netra 120 Server to the Laptop Note 6.4.2 Using Microsoft Windows HyperTerminal Note Page 7.1 Preparing to Configure the Server 7.1.1 Using a Terminal Server 7.1.2 Configuring From a Terminal or Workstation 7.2 Powering On the Server 7.2.1 Powering On for the First Time With the Servers Details Registered at a Name Server Note 7.2.2 Powering On the Server for the First Time Without Having Its Details Registered 7.2.3 Powering On a Standalone Server for the First Time 7.2.4 Clearing Your Configuration and Starting Again 7.3 Using the Power (On/Standby) Switch Caution Page Page Page Managing the Server From the lom> Prompt Note 8.1 Introduction to Lights-Out Management Note 8.2 Powering On or Resetting the Server From the LOM Shell Note 8.2.1 Powering the Server On or Down to Standby Mode 8.2.2 Displaying the lom> Prompt Note 8.2.3 Exiting From the lom> Prompt Note 8.2.4 Resetting the Server 8.2.5 Displaying the ok or kadb Prompt Note 8.2.6 Controlling the Servers Booting Behavior 8.2.6.1 Boot Modes Available 8.3 Monitoring the Server From the LOM Shell 8.3.1 Checking How Long the Server Has Been Running 8.3.2 Checking the Current Status of All Components Note 8.3.3 Viewing the LOM Devices Event Log 8.3.3.1 Viewing the Last 10 Events in the Event Log Note 8.3.3.2 Viewing the Entire Event Log Note 8.3.3.3 Viewing All Events From the First to the nth Event Logged 8.3.3.4 Viewing All Events From the Last One Logged to nth Event Before It 8.3.4 Checking That a Component Has Been Fixed 8.4 Setting Up LOM Privileges for Named Users 8.4.1 Permission Levels Available for LOM Users 8.4.2 Creating a LOM User Account Note 8.4.3 Specifying the Password for a LOM User Account Note 8.4.4 Viewing Details of a LOM User Account Note 8.4.5 Changing Your Own User Password 8.4.6 Deleting a LOM User Account Note 8.4.7 Specifying Permissions for a Named User 8.4.8 Quitting a LOM Named User Session 8.5 Setting the LOM Devices Configurable Variables Note 8.5.1 Turning the Fault LED on 8.5.2 Turning the Fault LED off 8.5.3 Setting the alarmon nSoftware Flag 8.5.4 Setting the alarmoff nSoftware Flag 8.5.5 Stopping the LOM Sending Event Reports to the Serial A/LOM port Note 8.6 Separating the LOM From the Console on the Serial A/LOM Port 8.6.1 Dedicating Serial A/LOM to the LOM 8.6.2 Sharing Serial A/LOM Between the LOM and the Console 8.7 Viewing the Event Reports That the LOM Sends to syslogd 8.8 The LOM Shell Command List Page 8.9 Checking the Status of the Servers Fans Page Managing the Server From the Solaris Prompt Note 9.1 Monitoring the System From Solaris 9.1.1 Viewing Online LOM Documentation 9.1.2 Checking the Power Supply Unit (lom -p) Note 9.1.3 Checking the Fans (lom -f) 9.1.4 Checking the Supply Rail Voltages and Internal Circuit Breakers (lom -v) 9.1.5 Checking the Internal Temperature (lom -t) shutdown threshold temperatures, type: 9.1.6 Checking the Status of the Fault LED and Alarms (lom -l) 9.1.7 Changing the LOM Automatic Server Restart Configuration (lom -w) 9.1.8 Viewing the Configuration of the LOM Device (lom -c) 9.1.9 Viewing All Component Status Data With the LOM Devices Configuration Data (lom -a) 9.1.10 Viewing the Event Log (lom -e) 9.2 Configuring Automatic Server Restart (ASR) 9.2.1 Configuring the LOM Watchdog to Restart the System After a Lockup 9.2.2 Enabling the LOM Watchdog Process From Your Own Script or Command (lom -W on) Note 9.2.3 Setting the Hardware Reset Option From a Script or Command (lom -R on) 9.3 Other LOM Tasks You Can Perform From Solaris 9.3.1 Turning Alarms On and Off (lom -A) 9.3.2 Turning the Fault LED On and Off (lom -F) 9.3.3 Changing the First Character of the Sequence for Escaping to the lom> Prompt (lom -X) Note 9.3.4 Stopping the LOM from Sending Reports to the Serial A/LOM Port (lom -E off) 9.3.5 Making the LOM Interface Backward Compatible (lom -B) 9.3.6 Upgrading the LOM Firmware (lom -G filename) Note Page Page Page Troubleshooting 10.1 Introduction to the POST, obdiag, and SunVTS Diagnostic Tools 10.1.1 Using POST Diagnostics 10.1.2 Using OpenBoot Diagnostics (obdiag) Page Note 10.1.3 Using SunVTS 10.1.3.1 To Find Out If SunVTS is Installed 10.1.3.2 Installing SunVTS 10.1.3.3 Viewing SunVTS Documentation 10.1.3.4 Using the SunVTS Graphical User Interface Note 10.2 Additional Diagnostic Tests for Specific Devices 10.2.1 Using the probe-scsi Command To Confirm That Hard Disk Drives Are Active 10.2.2 Using the probe-ide Command ToConfirm That the DVD or CD-ROM Drive is Connected 10.2.3 Using the watch-net and watch-net-all Commands To Check the Network Connections 10.3 Solutions to Problems YouMight Encounter Problem: Cannot Set Up a Console Connection to the Server Problem: Cannot Display the lom> Prompt Using the #. Escape Sequence Problem: OpenBoot PROM Initialization Aborts and the Server Will Not Boot Problem: Card Not Recognised During Installation or Bootup Note 10.4 Interpreting the Front and Back Panel LEDs Page Page Replacing a Server or Replacing Individual Components 11.1 Replacing a Server Note Caution Page 11.2 Field Replaceable Units Note 11.3 Replacing the Memory Card Reader for the System Configuration Card Page 11.4 Replacing the DVD or CD-ROM Drive, Cable, and Paddleboard Page 11.5 Replacing the NVRAM Chip Caution Page Page 11.6 Replacing the System Board 11.6.1 Removing the Old System Board Page Page 11.6.2 Installing the New System Board Note Page 11.7 Replacing the Power Supply Unit Page 11.8 Replacing the Rear Fan Subassembly (Fans 1 and 2) Page 11.9 Replacing Fan 3 Page Page Page Page A.1 Installing a SCSI Hard Disk Drive With Solaris Running Page A.2 Removing a SCSI Hard Disk Drive With Solaris Running Note Page Reinstalling the Solaris B.1 Reinstalling Solaris B.2 ReinstallingtheLights-Out Management Software Note Configuring the LOM Device Driver Page C.2 Configuring the LOM Device Driver The full list of parameters you can set in this file is given in TABLEC-1. Page Page Page Page Page Page Page Index A B C D E F G H I M N O P R S T U V W