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Oracle SPARC T8-4 Service Manual

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SPARC T8-4 Server Service Manual
Part No: E80512-05
January 2022

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  • Page 1 SPARC T8-4 Server Service Manual Part No: E80512-05 January 2022...
  • Page 3 Oracle. Oracle Corporation and its affiliates will not be responsible for any loss, costs, or damages incurred due to your access to or use of third-party content, products, or services, except as set forth in an applicable agreement between you and Oracle.
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  • Page 5: Table Of Contents

    PSH Overview .................. 25 Diagnostics Process ................ 26 Checking for Faults .................. 27 Interpreting LEDs ..................  27 ▼ Log In to Oracle ILOM (Service) ............ 32 ▼ Check for Faults ................ 33 Interpreting Log Files and System Messages ............ 35 ▼ Check the Message Buffer .............. 35 ▼ View Log Files (Oracle Solaris) ............ 36 ▼...
  • Page 6 ▼ Remove a Processor Module or Processor Filler Module .........  60 ▼ Install a Processor Module or Processor Filler Module ........ 63 ▼ Verify a Processor Module .................  67 Servicing DIMMs .................... 69 Understanding DIMM Configurations ...............  69 SPARC T8-4 Server Service Manual • January 2022...
  • Page 7 DIMM Configuration Errors .............. 72 DIMM FRU Names .................. 73 Identifying Faulty DIMMs ................ 74 ▼ Determine Which DIMM Is Faulty (Oracle ILOM) ......... 74 ▼ Determine Which DIMM Is Faulty (PSH) .......... 74 ▼ Determine Which DIMM Is Faulty (DIMM Fault LEDs) ...... 76 ▼ Remove a DIMM .................. 78 ▼...
  • Page 8 Understanding PCIe Root Complex Connections .......... 155 PCIe Card Configuration ................ 158 PCIe Carrier Handle and LEDs .............. 159 ▼ Determine Which PCIe Card Is Faulty ............ 160 ▼ Remove a PCIe Card Carrier .............. 161 ▼ Remove a PCIe Card ................ 164 SPARC T8-4 Server Service Manual • January 2022...
  • Page 9 ▼ Remove the Rear Chassis Subassembly ............ 184 ▼ Install the Rear Chassis Subassembly ............ 187 ▼ Verify the Rear Chassis Subassembly ............ 188 Returning the Server to Operation .............. 191 ▼ Connect Power Cords ................ 191 ▼ Power On the Server (Oracle ILOM) ............ 192 Glossary ...................... 193 Index ........................  199...
  • Page 10 SPARC T8-4 Server Service Manual • January 2022...

  • Page 11: Using This Documentation

    Product Documentation Library Documentation and resources for this product and related products are available at http://www. oracle.com/goto/t8-4/docs. Feedback Provide feedback about this documentation at http://www.oracle.com/goto/docfeedback. Using This Documentation...
  • Page 12 SPARC T8-4 Server Service Manual • January 2022...

  • Page 13: Identifying Components

    Identifying Components These topics identify key components of the server, including major boards and internal system cables, as well as front and rear panel features. “Front Panel Components” on page 14 ■ “Rear Panel Components” on page 15 ■ “Chassis Subassembly Components” on page 17 ■...

  • Page 14: Front Panel Components

    “Servicing Processor Modules” on page 55 (slot 1 only) Main module “Main Module Components” on page 20 “Servicing the Main Module” on page 97 Power supplies (4) “Servicing Power Supplies” on page 135 SPARC T8-4 Server Service Manual • January 2022...

  • Page 15: Rear Panel Components

    Rear Panel Components Related Information “Rear Panel Components” on page 15 ■ “Chassis Subassembly Components” on page 17 ■ “Processor Module Components” on page 18 ■ “Main Module Components” on page 20 ■ “Supported Storage and Backup Devices” on page 21 ■...
  • Page 16 “Processor Module Components” on page 18 ■ “Main Module Components” on page 20 ■ “Supported Storage and Backup Devices” on page 21 ■ “Component Service Task Reference” on page 22 ■ “System Schematic” on page 40 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 17: Chassis Subassembly Components

    Chassis Subassembly Components Chassis Subassembly Components Description Links Front I/O assembly “Servicing the Main Module” on page 97 Main module “Servicing the Main Module” on page 97 System controls and indicators “Front Panel Controls and LEDs” on page 29 Processor modules (2) “Servicing Processor Modules”...

  • Page 18: Processor Module Components

    Processor Module Components These components are accessible within the processor module when you remove the processor module from the front of the server. The processor modules are located beneath the heat sinks. Note - SPARC T8-4 Server Service Manual • January 2022...
  • Page 19 Processor Module Components Description Link DIMMs “Servicing DIMMs” on page 69 Related Information “Front Panel Components” on page 14 ■ “Rear Panel Components” on page 15 ■ “Chassis Subassembly Components” on page 17 ■ “Main Module Components” on page 20 ■...

  • Page 20: Main Module Components

    “System Schematic” on page 40 ■ Main Module Components These components are accessible after you remove the main module from the front of the server. Description Links Hard drives “Servicing Hard Drives” on page 87 SPARC T8-4 Server Service Manual • January 2022...

  • Page 21: Supported Storage And Backup Devices

    Supported Storage and Backup Devices Description Links Front I/O assembly and cables “Servicing the Main Module” on page 97 Storage backplane “Servicing the Main Module” on page 97 Main module motherboard “Servicing the SPM” on page 117 SCC PROM “Servicing the SCC PROM” on page 125 Battery “Servicing the Battery”...

  • Page 22: Component Service Task Reference

    Battery None “Servicing the /SYS/MB/BAT Battery” on page 129 Front I/O None “Servicing the Main /SYS/FIO assembly Module” on page 97 Power supply “Servicing Power /SYS/PSx /System/Power/Power_Supplies/ Supplies” on page 135 Power_Supply_x SPARC T8-4 Server Service Manual • January 2022...
  • Page 23 Component Service Task Reference Component Max. NAC Name SDM Name Link to Service Procedure Fan module “Servicing Fan /SYS/RCSA/FANBD/FMx /System/Cooling/Fans/Fan_x Modules” on page 145 PCIe card “Servicing PCIe /SYS/RCSA/PCIEx/CAR/CAR/CARD /System/PCI_Devices/Add-on/Device_x Cards” on page 155 Rear IO “Servicing /SYS/RIO /System/Networking/Ethernet_NICs module the Rear I/O Module”...
  • Page 24 SPARC T8-4 Server Service Manual • January 2022...

  • Page 25: Detecting And Managing Faults

    Detecting and Managing Faults These topics explain how to use various diagnostic tools to monitor server status and troubleshoot faults in the server. The examples use the PSH (Predictive Self Healing) fmadm faulty command. “Understanding Diagnostics” on page 25 ■ “Checking for Faults”...

  • Page 26: Diagnostics Process

    If system messages indicate a faulty component, replace “Interpreting Log Files and System information. Messages” on page 35 Run POST to provide If POST indicates a faulty component, replace it. “Configuring POST” on page 37 additional low-level SPARC T8-4 Server Service Manual • January 2022...

  • Page 27: Checking For Faults

    ■ Checking for Faults Use these methods to check for faults: “Interpreting LEDs” on page 27 ■ “Log In to Oracle ILOM (Service)” on page 32 ■ “Check for Faults” on page 33 ■ Interpreting LEDs Use these steps to determine if an LED indicates that a component has failed in the server.
  • Page 28 ■ “Determine if the Rear I/O Module Is Faulty” on page 176 Related Information “Front Panel Controls and LEDs” on page 29 ■ “Rear Panel Controls and LEDs” on page 30 ■ SPARC T8-4 Server Service Manual • January 2022...
  • Page 29 Checking for Faults Front Panel Controls and LEDs Icon or Label Description Locator LED and You can turn on the Locator LED to identify a particular server. button (white) When lit, the LED displays as a fast blink. The blinking will time out after 15 minutes.
  • Page 30 ■ Off – Indicates a steady state, no service action is required. ■ Steady on – Indicates that a failure event has been acknowledged and a service action is required on at least one of the PCIe cards. Rear Panel Controls and LEDs SPARC T8-4 Server Service Manual • January 2022...
  • Page 31 Checking for Faults Icon or Label Description AC 0 (left) and AC 1 (right) Indicates these conditions: power LED ■ Off – No power is applied to the server. ■ Green – Power is applied to the server. Net MGT port link LED Indicates these conditions: ■...

  • Page 32: Log In To Oracle Ilom (Service)

    To build a secure environment, you must change the default password (changeme) for the default Administrator account (root) after your initial login to Oracle ILOM. If this default Administrator account has since been changed, contact your system administrator for an Oracle ILOM user account with Administrator privileges.

  • Page 33: Check For Faults

    “Log In to Oracle ILOM (Service)” on page Check for PSH-diagnosed faults. This example shows how to check for faults through the Oracle ILOM fault management shell. -> start /SP/faultmgmt/shell Are you sure you want to start /SP/faultmgmt/shell (y/n)? y faultmgmtsp>...
  • Page 34 Use the message ID to obtain more information about this type of fault. Obtain the message ID from console output. Go to https://support.oracle.com, and search on the message ID in the Knowledge tab. SPARC T8-4 Server Service Manual • January 2022...

  • Page 35: Interpreting Log Files And System Messages

    ■ Interpreting Log Files and System Messages With the OS running on the server, you have the full complement of Oracle Solaris OS files and commands available for collecting information and for troubleshooting. If PSH does not indicate the source of a fault, check the message buffer and log files for notifications for faults.

  • Page 36: View Log Files (Oracle Solaris)

    View the event log. -> show /SP/logs/event/list View the audit log. -> show /SP/logs/audit/list Related Information “Check the Message Buffer” on page 35 ■ “View Log Files (Oracle Solaris)” on page 36 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 37: Configuring Post

    POST checks the basic integrity of the critical hardware components in the server. You can also set other Oracle ILOM properties to control various other aspects of POST operations. For example, you can specify the events that cause POST to run, the level of testing POST performs, and the amount of diagnostic information POST displays.
  • Page 38 (Optional) Set /HOST/diag to determine the diagnostic level after an error reset and after a hardware change. To set error_level, to max, and to set hw_change_level to max, type: SPARC T8-4 Server Service Manual • January 2022...

  • Page 39: Clear A Fault Manually

    Clear a Fault Manually -> set /HOST/diag error_level=max -> set /HOST/diag hw_change_level=max Refer to the section on setting the SPARC host keyswitch state in the Oracle ILOM Administrator’s Guide for Configuration and Maintenance Firmware Release 4.0.x for a description of parameters and values.

  • Page 40: System Schematic

    This schematic shows the connections between and among specific components and device slots. You can use this schematic to determine optimum locations for any optional cards or other peripherals based on system configuration and intended use. SPARC T8-4 Server Service Manual • January 2022...

  • Page 41: Related Information

    System Schematic Related Information “Front Panel Components” on page 14 ■ “Rear Panel Components” on page 15 ■ “Chassis Subassembly Components” on page 17 ■ “Processor Module Components” on page 18 ■ “Main Module Components” on page 20 ■ “Supported Storage and Backup Devices” on page 21 ■...
  • Page 42 SPARC T8-4 Server Service Manual • January 2022...

  • Page 43: Preparing For Service

    Preparing for Service These topics describe how to prepare the server for servicing. Step Description Link Review safety and handling information. “Safety Information” on page 43 Gather the tools needed for service. “Tools Needed for Service” on page 45 Consider filler options. “Component Fillers”...

  • Page 44: Safety Symbols

    PCIe cards. When servicing or removing server components, attach an antistatic strap to your wrist and then to a metal area on the chassis. Following this practice equalizes the electrical potentials between you and the server. SPARC T8-4 Server Service Manual • January 2022...

  • Page 45: Antistatic Mat

    Tools Needed for Service Antistatic Mat Place ESD-sensitive components such as motherboards, memory, and other PCBs on an antistatic mat. Related Information “Tools Needed for Service” on page 45 ■ “Component Fillers” on page 46 ■ “Component Service Categories” on page 46 ■...

  • Page 46: Component Fillers

    Cold-serviceable components require that the server is shut down. In addition, some service procedures require that the power cables be disconnected between the power supplies and the power source. The following table identifies the server components that are replaceable. SPARC T8-4 Server Service Manual • January 2022...

  • Page 47: Find The Server Serial Number

    Find the Server Serial Number Component Power Status for Authorized Remove and Replace Instructions Removal Service Personnel Only Processor module “Servicing Processor Modules” on page 55 DIMM “Servicing DIMMs” on page 69 Hard drive Off or On “Servicing Hard Drives” on page 87 †...
  • Page 48 “Tools Needed for Service” on page 45 ■ “Component Fillers” on page 46 ■ “Component Service Categories” on page 46 ■ “Locate the Server” on page 49 ■ “Prevent ESD Damage” on page 49 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 49: Locate The Server

    Locate the Server You can use the Locator LEDs to identify a particular server. At the Oracle ILOM prompt, type: -> set /SYS/LOCATE value=Fast_Blink The white Locator LEDs (one on the front panel and one on the rear panel) blink.

  • Page 50: Removing Power From The Server

    These topics describe different methods for removing power from the chassis. “Prepare to Power Off the Server” on page 51 ■ “Power Off the Server (Oracle ILOM)” on page 51 ■ “Power Off the Server (Power Button – Graceful Shutdown)” on page 52 ■...

  • Page 51: Prepare To Power Off The Server

    Depending on the type of problem, you might want to view server status or log files. You also might want to run diagnostics before you shut down the server. Switch from the system console to the Oracle ILOM -> prompt by typing the #. (Hash-Period) key sequence.

  • Page 52: Power Off The Server (Power Button - Graceful Shutdown)

    If you are powering off the server in order to add a second processor module, return to “Server Upgrade Process” on page Related Information “Power Off the Server (Oracle ILOM)” on page 51 ■ “Power Off the Server (Power Button – Emergency Shutdown)” on page 52 ■...

  • Page 53: Disconnect Power Cords

    Disconnect Power Cords Related Information “Power Off the Server (Oracle ILOM)” on page 51 ■ “Power Off the Server (Power Button – Graceful Shutdown)” on page 52 ■ Disconnect Power Cords You must disconnect the power cords before accessing the following components: Main module ■...

  • Page 54: Attachment Of Devices During Service

    “Connecting Cables” in SPARC T8-4 Server Installation Guide. If you plan to connect to the Oracle ILOM software over the network, connect an Ethernet ■ cable to the Ethernet port labeled NET MGT. The SP uses the NET MGT (out-of-band) port by default. You can configure the Note - SP to share one of the sever's four Ethernet ports instead.

  • Page 55: Servicing Processor Modules

    Servicing Processor Modules This topic describes how to service processor modules, and how to upgrade the server from a single processor module configuration to a dual processor module configuration. You must disconnect the power cords before servicing this component. See Caution - “Disconnect Power Cords”...

  • Page 56: Server Upgrade Process

    Server Upgrade Process Server Upgrade Process The SPARC T8-4 server supports two processor module configurations: Fully-populated — Two processor modules ■ Half-populated— One processor module and one processor filler module ■ Processor modules are cold-service components that can be replaced only by qualified service personnel.

  • Page 57: Processor Module Configuration

    “Returning the Server to Operation” on page 191 ■ Processor Module Configuration Processor modules are accessed from the front of the server. In Oracle ILOM, the processor modules are numbered PM0 and PM1, starting with the lower slot. Servicing Processor Modules...

  • Page 58: Processor Module Leds

    All CPU modules should have the same DIMMs configurations, either all fully Note - populated or all half populated. See “Understanding DIMM Configurations” on page Processor Module LEDs Icon Description Service Required (amber) Indicates that the processor module has experienced a fault condition. SPARC T8-4 Server Service Manual • January 2022...

  • Page 59: Determine Which Processor Module Is Faulty

    Determine Which Processor Module Is Faulty Icon Description OK (green) Indicates if the processor module is available for use. ■ On – The server is running and the processor module is functioning correctly. ■ Off – The server is powered down and the processor module is in standby mode.

  • Page 60: Remove A Processor Module Or Processor Filler Module

    “Determine Which ■ Processor Module Is Faulty” on page 59 to locate a faulty processor module. If you are adding a processor module, remove the processor filler module in ■ slot 1. SPARC T8-4 Server Service Manual • January 2022...
  • Page 61 Remove a Processor Module or Processor Filler Module Press the two extraction levers in toward the server and pull the extraction levers out to disengage the processor module or processor filler module from the server. Pull the processor module or processor filler module halfway out of the server, and close the levers.
  • Page 62 If you are replacing or installing DIMMs within the processor module, see ■ “Servicing DIMMs” on page If you are replacing a faulty processor module, populate and install the ■ replacement processor module: SPARC T8-4 Server Service Manual • January 2022...

  • Page 63: Install A Processor Module Or Processor Filler Module

    If you have removed a processor module or processor filler module to ■ prepare the server for installation, return to “Preparing for Installation” in SPARC T8-4 Server Installation Guide Related Information “Processor Module Components” on page 18 ■ “Processor Module LEDs” on page 58 ■...
  • Page 64 See “Install a DIMM” on page Open the latches on the processor module or processor filler module, and insert the module into the empty processor module slot in the server. SPARC T8-4 Server Service Manual • January 2022...
  • Page 65 Install a Processor Module or Processor Filler Module A processor filler module can only be installed in slot 1. Note - Bring the levers together toward the center of the module and press the levers firmly against the module to fully seat the module back into the server. Servicing Processor Modules...
  • Page 66 If you are adding a second processor module to the server, return to “Server Upgrade Process” on page Related Information “Processor Module Components” on page 18 ■ “Server Upgrade Process” on page 56 ■ “Processor Module LEDs” on page 58 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 67: Verify A Processor Module

    “Verify a Processor Module” on page 67 ■ Verify a Processor Module Use the Oracle ILOM fault management shell to determine if the new processor module is shown as enabled or disabled. -> start /SP/faultmgmt/shell Are you sure you want to start /SP/faultmgmt/shell (y/n)? y  ...
  • Page 68 “Determine Which Processor Module Is Faulty” on page 59 ■ “Remove a Processor Module or Processor Filler Module” on page 60 ■ “Install a Processor Module or Processor Filler Module” on page 63 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 69: Servicing Dimms

    Servicing DIMMs Up to 32 DIMMs can be installed in each processor module, for a total of 64 DIMMs in the server. DIMMs are cold-service components that can be replaced by customers. For the location of the DIMMs, see “Processor Module Components” on page This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge.

  • Page 70: Supported Memory Configurations

    “Remove a DIMM” on page 78 ■ “Install a DIMM” on page 81 ■ “Verify a DIMM” on page 84 ■ “Server Upgrade Process” on page 56 ■ “Processor Module Configuration” on page 57 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 71: Identifying Dimms

    Understanding DIMM Configurations Identifying DIMMs Each DIMM is affixed with an identifying label. The first four characters on the label describe the DIMM memory capacity; the second four characters describe the rank classification. Use these labels to identify the DIMMs installed in the server, to verify that any replacement DIMMs are compatible, or to confirm that upgrade DIMMs may be installed in a supported configuration.

  • Page 72: Dimm Configuration Errors

    “Check for Faults” on page 33 ■ “Clear a Fault Manually” on page 39 ■ “Understanding DIMM Configurations” on page 69 ■ “DIMM FRU Names” on page 73 ■ “Identifying DIMMs” on page 71 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 73: Dimm Fru Names

    DIMM FRU Names DIMM FRU Names The following figure illustrates the DIMM addresses on a processor module, with the front of the processor module oriented toward the left: DIMM NAC names are based both on the location of the DIMM slot on the processor module, and in which slot the processor module is installed.

  • Page 74: Identifying Faulty Dimms

    “Determine Which DIMM Is Faulty (DIMM Fault LEDs)” on page 76 ■ Determine Which DIMM Is Faulty (Oracle ILOM) If you suspect that the server has a memory problem, run the Oracle ILOM show faulty command. This command lists memory faults and identifies the DIMM modules associated with the fault.
  • Page 75 Please refer to the associated reference document at http://support.oracle.com/msg/SPSUN4V-8000-EJ for the latest service procedures and policies regarding this diagnosis. Related Information “Determine Which DIMM Is Faulty (Oracle ILOM)” on page 74 ■ “Determine Which DIMM Is Faulty (DIMM Fault LEDs)” on page 76 ■...

  • Page 76: Determine Which Dimm Is Faulty (Dimm Fault Leds)

    Remove the processor module containing the faulty DIMM. Place the ■ processor module on an ESD-protect work surface. Remove the processor module cover. “Remove a Processor Module or Processor Filler Module” on page SPARC T8-4 Server Service Manual • January 2022...
  • Page 77 Determine Which DIMM Is Faulty (DIMM Fault LEDs) Locate the DIMM Fault Remind button on the processor module. Verify that the Memory Riser Power LED next to the button is illuminated. An illuminated Memory Riser Power LED indicates that there is power available to illuminate any Memory DIMM Fault LEDs once you have pressed the DIMM Fault Remind button.

  • Page 78: Remove A Dimm

    Note the address of the DIMM next to any illuminated Memory DIMM Fault LED. Ensure that all other DIMMs are seated correctly in their slots. Related Information “Determine Which DIMM Is Faulty (Oracle ILOM)” on page 74 ■ “Determine Which DIMM Is Faulty (PSH)” on page 74 ■...
  • Page 79 Remove a DIMM Press the green button near the front edge of the cover and slide the cover back and up off the main module. Locate the DIMMs that need to be replaced. “Determine Which DIMM Is Faulty (DIMM Fault LEDs)” on page Push down on the ejector tabs on each side of the DIMM until the DIMM is released.
  • Page 80 “Install a Processor Module or Processor Filler Module” on page Power on the server. ■ “Power On the Server (Oracle ILOM)” on page 192. Verify DIMM functionality. ■ “Verify a DIMM” on page SPARC T8-4 Server Service Manual • January 2022...

  • Page 81: Install A Dimm

    Install a DIMM Related Information “Understanding DIMM Configurations” on page 69 ■ “Understanding DIMM Configurations” on page 69 ■ “Determine Which DIMM Is Faulty (DIMM Fault LEDs)” on page 76 ■ “Determine Which DIMM Is Faulty (PSH)” on page 74 ■...
  • Page 82 Push the DIMM into the connector until the ejector tabs lock the DIMM in place. If the DIMM does not easily seat into the connector, check the DIMM's orientation. Repeat Step 4 through Step 6 until all new DIMMs are installed. SPARC T8-4 Server Service Manual • January 2022...
  • Page 83 Install a DIMM Place the cover onto the processor module and slide the cover forward until the latch clicks into place. Consider your next steps. If you are adding a second processor module to the server, return to “Server ■ Upgrade Process”...

  • Page 84: Verify A Dimm

    Check if the host has been powered off. Allow approximately one minute before performing this step. Type the show /HOST command. When the host is powered off, the console displays status=Powered Off. Start the host. SPARC T8-4 Server Service Manual • January 2022...
  • Page 85 Switch to the system console and type: # fmadm faulty If any faults are reported, refer to the diagnostics instructions described in “Detecting and Managing Faults” on page Switch to the Oracle ILOM command shell. Run the show faulty command. -> show faulty Target | Property...
  • Page 86 UUID, you are done with the verification process. Switch to the system console and use the fmadm repair command with the UUID. Use the same UUID that was displayed from the output of the Oracle ILOM show faulty command. For example:...

  • Page 87: Servicing Hard Drives

    Servicing Hard Drives Hard drives are hot-service components that can be replaced by customers. For the location of the hard drives, see “Hard Drive Configuration” on page This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge.
  • Page 88 “Supported Storage and Backup Devices” on page 21 ■ “Component Service Task Reference” on page 22 ■ “Hard Drive LEDs” on page 89 ■ “Determine Which Hard Drive Is Faulty” on page 90 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 89: Hard Drive Leds

    Hard Drive LEDs “Remove a Hard Drive” on page 90 ■ “Install a Hard Drive” on page 93 ■ “Verify a Hard Drive” on page 94 ■ Hard Drive LEDs Icon Description Ready to Remove Indicates that a drive can be removed during a hot-service operation. (blue) Service Required Indicates that the drive has experienced a fault condition.

  • Page 90: Determine Which Hard Drive Is Faulty

    This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. Locate the drive in the server that you want to remove. SPARC T8-4 Server Service Manual • January 2022...
  • Page 91 Step ■ Take the drive offline: At the Oracle Solaris prompt, type the cfgadm -al command to list all drives in the device tree, including drives that are not configured. # cfgadm -al This command lists dynamically reconfigurable hardware resources and shows their operational status.
  • Page 92 The latch is not an ejector. Do not force the latch too far to the right. Doing so can Caution - damage the latch. Install the replacement drive or a filler tray. SPARC T8-4 Server Service Manual • January 2022...

  • Page 93: Install A Hard Drive

    Install a Hard Drive “Install a Hard Drive” on page Related Information “Determine Which Hard Drive Is Faulty” on page 90 ■ “Install a Hard Drive” on page 93 ■ “Verify a Hard Drive” on page 94 ■ Install a Hard Drive Hard drives are hot-service components that can be replaced by customers.

  • Page 94: Verify A Hard Drive

    Refer to the Oracle Solaris OS administration documentation for more information. At the Oracle Solaris prompt, type the cfgadm -al command to list all drives in the device tree, including any drives that are not configured.
  • Page 95 Verify that the blue Ready-to-Remove LED is no longer lit on the drive that you installed. “Hard Drive LEDs” on page At the Oracle Solaris prompt, type the cfgadm -al command to list all drives in the device tree, including any drives that are not configured. # cfgadm -al The replacement drive is now listed as configured.
  • Page 96 Verify a Hard Drive “Remove a Hard Drive” on page 90 ■ “Install a Hard Drive” on page 93 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 97: Servicing The Main Module

    Servicing the Main Module For the location of the main module, see “Front Panel Components” on page This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. You must disconnect the power cords before servicing this component.

  • Page 98: Main Module Leds

    Main Module LEDs Icon Description Service Required LED Indicates that service is required. POST and Oracle ILOM are two (amber) diagnostic tools that can detect a fault or failure resulting in this indication. The Oracle ILOM show faulty command provides details about any faults that cause this indicator to illuminate.

  • Page 99: Determine If The Main Module Is Faulty

    ■ Steady on, green – SPM is running in its normal operating state. No service actions are required. ■ Blink, green – SPM is initializing the Oracle ILOM firmware. ■ Steady on, amber – A SPM error has occurred and service is required.
  • Page 100 Remove the main module completely from the server. Consider your next steps: If you have removed the main module to prepare the server for installation, ■ return to “Preparing for Installation” in SPARC T8-4 Server Installation Guide. SPARC T8-4 Server Service Manual • January 2022...
  • Page 101 Remove the Main Module If you have removed the main module to service an internal component, ■ remove the cover from the main module. Press the green button near the front edge of the cover and slide the cover back and up off the main module.

  • Page 102: Install The Main Module

    Install the Main Module Place the cover back onto the main module and slide the cover forward until the latch clicks into place. Open the levers so that they are fully open. SPARC T8-4 Server Service Manual • January 2022...
  • Page 103 Install the Main Module Due to the weight of the main module, the following step requires two people to Caution - perform. Do not attempt to lift the main module alone. Insert the main module into its slot in the server until the levers begin to engage. Press the levers back together, toward the center of the module, then press the levers firmly against the module to fully seat the module back into the server.
  • Page 104 The following message is delivered over the serial management port. Unrecognized Chassis: This module is installed in an unknown or unsupported chassis. You must upgrade the firmware to a newer version that supports this chassis. Download the system firmware. SPARC T8-4 Server Service Manual • January 2022...

  • Page 105: Verify The Main Module

    You can load any supported system firmware version, including the firmware revision Note - that had been installed prior to the replacement of the main module. However, Oracle strongly recommends installing the newest version of the system firmware. Restore the ILOM configuration settings.
  • Page 106 “Main Module LEDs” on page 98 ■ “Determine if the Main Module Is Faulty” on page 99 ■ “Remove the Main Module” on page 99 ■ “Install the Main Module” on page 102 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 107: Servicing Nvme Switch Cards

    Servicing NVMe Switch Cards Two optional NVMe switch cards can be installed in the main module. If you are replacing a faulty main module, you must remove the NVMe switch cards to transfer them to the new main module. Part Description NVMe Switch 2 ( /SYS/MB/PCIE2/PCIESW ) NVMe Switch 1 ( /SYS/MB/PCIE1/PCIESW )

  • Page 108: Disconnect The Nvme Cables

    If you are moving the NVMe switch cards to a new main module, unplug the ■ cables from the backplane. If you are replacing the NVMe cables, unplug the cables from the card and ■ the backplane and remove them from the main module. SPARC T8-4 Server Service Manual • January 2022...

  • Page 109: Remove A Nvme Switch Card

    Remove a NVMe Switch Card Note the locations of the cable connectors so can install them correctly. Remove the NVMe switch card. “Remove a NVMe Switch Card” on page 109. Remove a NVMe Switch Card Identify which NVMe switch card you want to remove. Unlock the card.

  • Page 110: Install A Nvme Switch Card

    Push the card away from its connector on the motherboard and lift the card out of the main module. Install a NVMe Switch Card Align the NVMe switch card with its connector on the motherboard. SPARC T8-4 Server Service Manual • January 2022...
  • Page 111 Install a NVMe Switch Card Insert the rear edge of the NVMe switch card into the corresponding tab on the Note - motherboard. Insert the card into its connector. Servicing NVMe Switch Cards...
  • Page 112 Install a NVMe Switch Card The card is inserted laterally into the motherboard connector. Lock the card. Rotate the retention lever toward the card bracket. SPARC T8-4 Server Service Manual • January 2022...

  • Page 113: Connect The Nvme Cables

    Connect the NVMe Cables Connect the NVMe Cables Plug the two NVMe data cables into the connectors on the NVMe switch card. Install the NVMe cable clamp. Servicing NVMe Switch Cards...

  • Page 114: Verify A Nvme Switch Card

    “Install the Main Module” on page 102. Verify a NVMe Switch Card Use the Oracle ILOM fault management shell to determine if the replacement NVMe switch card is shown as enabled or disabled: SPARC T8-4 Server Service Manual • January 2022...
  • Page 115 Verify a NVMe Switch Card -> start /SP/faultmgmt/shell Are you sure you want to start /SP/faultmgmt/shell (y/n)? y   faultmgmtsp> fmadm faulty If the output from the fmadm faulty command shows no faults, go to Step If the output from the fmadm faulty command shows the replacement NVMe switch card as disabled, go to “Detecting and Managing Faults”...
  • Page 116 SPARC T8-4 Server Service Manual • January 2022...

  • Page 117: Servicing The Spm

    Servicing the SPM These topics describe service procedures for the service processor module (SPM) in the server. Caution - This procedure requires that you handle components that are sensitive to electrostatic discharge. This discharge can cause failure of server components. Steps Description Links...

  • Page 118: Remove The Spm

    The acceptable values for uri are: ■ tftp ■ ■ sftp ■ ■ http ■ https ■ target is the remote location where you want to store the configuration ■ information. For example: -> dump -destination tftp://129.99.99.99/pathname SPARC T8-4 Server Service Manual • January 2022...
  • Page 119 Remove the SPM Take the necessary ESD precautions. “Prevent ESD Damage” on page Remove the main module from the server. “Remove the Main Module” on page Locate the SPM on the main module. “Main Module Components” on page Servicing the SPM...
  • Page 120 Lift the SPM up and away from the motherboard. Related Information “Determine if the SPM Is Faulty” on page 117 ■ “Install the SPM” on page 121 ■ “Verify the SPM” on page 124 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 121: Install The Spm

    Install the SPM Install the SPM This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. Take the necessary ESD precautions. “Prevent ESD Damage” on page Lower the side of the SPM with the Align Tab sticker down on the service processor tab on the motherboard.
  • Page 122 You can load any supported system firmware version, including the firmware revision Note - that had been installed prior to the replacement of the SPM. However, Oracle strongly recommends installing the newest version of the system firmware. Restore the service processor configuration information that you backed up earlier.
  • Page 123 If TPM was initialized on the replaced SPM, complete these steps: Reinitialize TPM and reset the tpmadm failover command if it was previously in use. For information about initializing TPM using the Oracle ILOM interface to enable failover, Securing Systems and Attached Devices in Oracle Solaris 11.3.

  • Page 124: Verify The Spm

    No further action is required. Related Information “Determine if the SPM Is Faulty” on page 117 ■ “Remove the SPM” on page 118 ■ “Install the SPM” on page 121 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 125: Servicing The Scc Prom

    Servicing the SCC PROM These topics describe service procedures for the SCC PROM in the server. The SCC PROM stores the host ID and MAC address. If you have to replace the motherboard, be sure to move the System configuration PROM from the old motherboard to the new motherboard.

  • Page 126: Install The Scc Prom

    “Install the SCC PROM” on page 126 ■ Install the SCC PROM Before beginning this procedure, ensure that you are familiar with the cautions and safety instructions described in “Safety Information” on page SPARC T8-4 Server Service Manual • January 2022...
  • Page 127 Install the SCC PROM This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. Orient the SCC PROM properly onto the main module. Press down on the SCC PROM until it is completely seated on the main module. Insert the main module back into the server.

  • Page 128: Verify The Scc Prom

    Use the Oracle ILOM show command to display the MAC address: ■ -> show /HOST macaddress /HOST Properties: macaddress = **:**:**:**:**:** Use Oracle Solaris OS commands to display the hostid and Ethernet address: ■ # hostid 8534299c   # ifconfig -a lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL>...

  • Page 129: Servicing The Battery

    Servicing the Battery The battery is a cold-service component that can be replaced by a customer. For the location of the battery, see “Processor Module Components” on page Caution - This procedure requires that you handle components that are sensitive to electrostatic discharge.
  • Page 130 “Main Module Components” on page Remove the old battery. Gently push the battery toward the side of the server to release it from the retention clip. Unpack and install the new battery. SPARC T8-4 Server Service Manual • January 2022...
  • Page 131 Return the Server to Operation. Reset the system clock. Use the Oracle ILOM clock command to reset the system clock. The following example sets the date to August 22, 2016, and the timezone to EDT. -> set /SP/clock datetime=081221302016 timezone=EDT...

  • Page 132: Verify The Battery

    = N/A lower_noncritical_threshold = 2.704 Volts lower_critical_threshold = N/A lower_nonrecov_threshold = N/A alarm_status = cleared Commands: show Verify that the value in the value column shows a voltage of 2.8V or more. SPARC T8-4 Server Service Manual • January 2022...
  • Page 133 Verify the Battery Related Information “Replace the Battery” on page 129 ■ Servicing the Battery...
  • Page 134 SPARC T8-4 Server Service Manual • January 2022...

  • Page 135: Servicing Power Supplies

    Servicing Power Supplies The server contains four power supplies, which provide 2 + 2 power redundancy. If you need to replace a power supply, you can do so while the server is operating. To take full advantage of the server's power redundancy, plug the four power supplies Note - into at least two separate power sources.
  • Page 136 Power Supply Configuration Power supply 0 (PS0) Power supply 1 (PS1) Power supply 2 (PS2) Power supply 3 (PS3) Power cords are accessed from the rear of the server. SPARC T8-4 Server Service Manual • January 2022...

  • Page 137: Power Supply And Ac Power Connector Leds

    Power Supply and AC Power Connector LEDs Connector for power supply 3 (PS3) Connector for power supply 2 (PS2) Connector for power supply 1 (PS1) Connector for power supply 0 (PS0) Related Information “Power Supply and AC Power Connector LEDs” on page 137 ■...

  • Page 138: Determine Which Power Supply Is Faulty

    The following LEDs are lit when a power supply fault is detected: System Service Required LEDs on the front panel and rear I/O module ■ Fault LED on the faulty power supply ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 139: Remove A Power Supply

    Remove a Power Supply Determine if the System Service Required LEDs are lit on the front panel or the rear I/O module. “Interpreting LEDs” on page From the front of the server, check the power supply Fault LEDs to identify which power supply needs to be replaced.
  • Page 140 Go to the front of the server and, on the power supply to be removed, squeeze the release latches together, then pull the extraction lever toward you to disengage the power supply from the server. SPARC T8-4 Server Service Manual • January 2022...
  • Page 141 Remove a Power Supply Pull the power supply out of the server. Install the replacement power supply. “Install a Power Supply” on page 142. Related Information “Power Supply Configuration” on page 135 ■ “Power Supply and AC Power Connector LEDs” on page 137 ■...

  • Page 142: Install A Power Supply

    Open the latch on the replacement power supply, and align the power supply with the empty bay. Verify that the power supply is oriented as shown in the following figure. Slide the power supply into the chassis. SPARC T8-4 Server Service Manual • January 2022...
  • Page 143 Install a Power Supply Press the lever against the power supply to fully seat the power supply in the server. Insert the power cord into the AC connector for the power supply that you just installed. Verify the power supply. “Verify a Power Supply”...

  • Page 144: Verify A Power Supply

    “Power Supply and AC Power Connector LEDs” on page 137 ■ “Determine Which Power Supply Is Faulty” on page 138 ■ “Remove a Power Supply” on page 139 ■ “Install a Power Supply” on page 142 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 145: Servicing Fan Modules

    Servicing Fan Modules The server continues to operate at full capacity if one or two fan modules is not operational. You can perform a hot-service on a fan module only when four or five fan modules are operational. These topics describe service procedures for the fan modules in the server. “Fan Module Configuration”...

  • Page 146: Fan Module Configuration

    “Determine Which Fan Module Is Faulty” on page 147 ■ “Remove a Fan Module” on page 148 ■ “Install a Fan Module” on page 151 ■ “Verify a Fan Module” on page 152 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 147: Fan Module Led

    Fan Module LED Fan Module LED Each fan module has a single Service Required LED. Determine Which Fan Module Is Faulty The following LEDs are illuminated when a fan module fault is detected: System Service Required LEDs on the front panel and rear I/O module ■...

  • Page 148: Remove A Fan Module

    If you can remove a fan module with the server running, go to Step If you cannot remove a fan module with the server running, see “Removing ■ Power From the Server” on page 50 to power down the server before continuing. SPARC T8-4 Server Service Manual • January 2022...
  • Page 149 Remove a Fan Module Press the green button to disengage the fan module from the chassis. Servicing Fan Modules...
  • Page 150 “Fan Module Configuration” on page 146 ■ “Determine Which Fan Module Is Faulty” on page 147 ■ “Install a Fan Module” on page 151 ■ “DIMM Configuration Errors” on page 72 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 151: Install A Fan Module

    Install a Fan Module Install a Fan Module The fan module is a hot-service component that can be replaced by a customer. This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. Insert the fan module into the empty fan module slot.

  • Page 152: Verify A Fan Module

    If these conditions are not met, perform the actions described in “Diagnostics Process” on page Log in to Oracle ILOM. “Log In to Oracle ILOM (Service)” on page Start the faultmgmt shell. -> start SP/faultmgmt/shell SPARC T8-4 Server Service Manual • January 2022...
  • Page 153 Verify a Fan Module Are you sure you want to start the faultmgmt shell (y/n)? y   faultmgmtsp> Use the fmadm faulty command to check for faults. If faults are reported, see “Diagnostics Process” on page ■ If no faults are reported, then the fan module has been replaced successfully. ■...
  • Page 154 SPARC T8-4 Server Service Manual • January 2022...

  • Page 155: Servicing Pcie Cards

    Servicing PCIe Cards These topics describe service procedures for the PCIe cards that are installed in the PCIe card carriers in the server. “Understanding PCIe Root Complex Connections” on page 155 ■ “PCIe Card Configuration” on page 158 ■ “PCIe Carrier Handle and LEDs” on page 159 ■...
  • Page 156 O fabric consists of the PCIe switches, PCIe slots, and leaf devices associated with the root complex. Understanding the relationship of the PCIe root complexes to the PCIe I/O fabrics will help you properly assign devices when configuring Oracle VM Server for SPARC logical domains.
  • Page 157 Understanding PCIe Root Complex Connections PCIe slots are available. In addition, all 16 PCIe slots are still available even if PM1 goes offline. The port ID values shown in the diagram correspond to the pci@ values reported in the showdevs command output. PCIe Slot Device Path Maximum...

  • Page 158: Pcie Card Configuration

    “Remove a PCIe Card” on page 164 ■ “Install a PCIe Card” on page 167 ■ “Install a PCIe Card Carrier” on page 170 ■ “Verify a PCIe Card” on page 171 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 159: Pcie Carrier Handle And Leds

    PCIe Carrier Handle and LEDs PCIe Carrier Handle and LEDs Button/LED Icon Description Card carrier handle. Attention ATTN Press this button to bring the PCIe card offline. Required Press this button again to bring the PCIe card online. button OK (green) Indicates the following conditions: ■...

  • Page 160: Determine Which Pcie Card Is Faulty

    Determine if the PCIe Fault LED is illuminated on the front panel. “Front Panel Controls and LEDs” on page From the rear of the server, find the PCIe carrier that has an amber Service Required LED lit. SPARC T8-4 Server Service Manual • January 2022...

  • Page 161: Remove A Pcie Card Carrier

    Removing PCIe card carriers while the server is at the OpenBoot prompt is not Note - supported. The server must be either powered off, or booted into the Oracle Solaris OS. Take the necessary ESD precautions. “Prevent ESD Damage” on page Locate the PCIe card carrier at the rear of the server.
  • Page 162 ___________________________________________________________________________ SUNW,qlc@0 disk fp@0,0 SUNW,qlc@0,1 disk fp@0,0 PCIE13 EMPTY PCIe-Native PCIE15 EMPTY PCIe-Native Bring the PCIe card offline. For example: # hotplug disable PCIE7 Verify that the PCIe card status is PRESENT. SPARC T8-4 Server Service Manual • January 2022...
  • Page 163 Remove a PCIe Card Carrier For example: # hotplug list -cv PCIE7 Connection State Description ______________________________________________________________________________ PCIE7 PRESENT PCIe-Native Verify that the card's green Power OK LED is off. Disconnect any cables connected to the PCIe card. Label the cables to ensure proper connection to the replacement PCIe card. Tip - Pull the PCIe card carrier handle down to disengage the carrier from the card cage.

  • Page 164: Remove A Pcie Card

    This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. Ensure that you have already taken antistatic measures. “Prevent ESD Damage” on page SPARC T8-4 Server Service Manual • January 2022...
  • Page 165 Remove a PCIe Card Unlatch and open the PCIe card carrier top cover. Servicing PCIe Cards...
  • Page 166 “Remove a PCIe Card Carrier” on page 161 ■ “Install a PCIe Card” on page 167 ■ “Install a PCIe Card Carrier” on page 170 ■ “Verify a PCIe Card” on page 171 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 167: Install A Pcie Card

    Install a PCIe Card Install a PCIe Card This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. Determine your first step. If you are installing a new PCIe card and need an empty PCIe card carrier, ■...
  • Page 168 PCIe card's connector is fully seated in the PCIe card carrier's slot, and that the notch in the PCIe card's rear bulkhead is seated around the PCIe carrier's alignment tab. SPARC T8-4 Server Service Manual • January 2022...
  • Page 169 Install a PCIe Card Close and latch the PCIe card carrier's top cover. Related Information “Understanding PCIe Root Complex Connections” on page 155 ■ “PCIe Card Configuration” on page 158 ■ “PCIe Carrier Handle and LEDs” on page 159 ■ “Determine Which PCIe Card Is Faulty”...

  • Page 170: Install A Pcie Card Carrier

    Installing PCIe card carriers while the server is at the OpenBoot prompt is not supported. Note - The server must either be powered off, or booted into the Oracle Solaris OS. Insert the PCIe card carrier into the card cage until it stops.

  • Page 171: Verify A Pcie Card

    Press the ATTN button. The PCIe card carrier's Power OK LED should light, ■ indicating that the PCIe card is online. ■ Use the Oracle Solaris hotplug command. For example: # hotplug enable PCIE7 Related Information “Understanding PCIe Root Complex Connections” on page 155 ■...
  • Page 172 If none of the LEDs are illuminated, go to Step ■ Verify that the green Power LED is lit on the PCIe card carrier that you installed. At the Oracle Solaris prompt, ensure that the PCIe card is connected and online: # hotplug list -cv Connection State...

  • Page 173: Servicing The Rear I/O Module

    Servicing the Rear I/O Module This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. You must disconnect the power cords before servicing this component. See Caution - “Disconnect Power Cords”...
  • Page 174 Amber indicates a fault with PSU1. AC0 connector LED (amber/ Indicates the state of the AC connector. Green indicates that the AC green) connector is functioning correctly. Amber indicates a fault with PSU 0. SPARC T8-4 Server Service Manual • January 2022...
  • Page 175 ■ Issuing the Oracle ILOM command set /SYS/LOCATE value=Fast_Blink ■ Pressing the Locator button System Service Required Indicates that service is required. POST and Oracle ILOM are two LED (amber) diagnostic tools that can detect a fault or failure resulting in this indication.

  • Page 176: Determine If The Rear I/O Module Is Faulty

    “Determine if the Rear I/O Module Is Faulty” on page 176 to verify that ■ the rear I/O module has failed. Power off the server. “Removing Power From the Server” on page SPARC T8-4 Server Service Manual • January 2022...
  • Page 177 Remove the Rear I/O Module Disconnect the power cords. “Disconnect Power Cords” on page Label the cables connected to the ports on the rear I/O module, and then disconnect the cables from the ports. You will reconnect the cables to the same ports on the replacement rear I/O module. Press the green buttons on the rear I/O module ejection levers, and spread the levers open to eject the rear I/O module.

  • Page 178: Install The Rear I/O Module

    “Determine if the Rear I/O Module Is Faulty” on page 176 ■ “Install the Rear I/O Module” on page 178 ■ “Verify the Rear I/O Module” on page 181 ■ Install the Rear I/O Module Take the necessary ESD precautions. SPARC T8-4 Server Service Manual • January 2022...
  • Page 179 Install the Rear I/O Module “Prevent ESD Damage” on page With the levers in the extended position, insert the rear I/O module into the slot at the rear of the server. Servicing the Rear I/O Module...
  • Page 180 Close the extraction levers until they click into place to fully seat the rear I/O module into the server. Connect the cables to the appropriate ports on the rear I/O module. Connect the power cords. “Connect Power Cords” on page 191. Power on the server. SPARC T8-4 Server Service Manual • January 2022...

  • Page 181: Verify The Rear I/O Module

    “Connect Power Cords” on page 191. Started the system. ■ “Power On the Server (Oracle ILOM)” on page 192. Verify that the System Service Required LED on the rear I/O module is not lit. “Rear I/O Module LEDs” on page 173.
  • Page 182 “Rear I/O Module LEDs” on page 173 ■ “Determine if the Rear I/O Module Is Faulty” on page 176 ■ “Remove the Rear I/O Module” on page 176 ■ “Install the Rear I/O Module” on page 178 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 183: Servicing The Rear Chassis Subassembly

    Servicing the Rear Chassis Subassembly For the location of the rear chassis subassembly, see “Rear Panel Components” on page This procedure requires that you handle components that are sensitive to electrostatic Caution - discharge. This discharge can cause failure of server components. You must disconnect the power cords before servicing this component.

  • Page 184: Remove The Rear Chassis Subassembly

    Power off the server. “Removing Power From the Server” on page Disconnect the power cords. “Disconnect Power Cords” on page Go to the rear of the server and remove the following components: SPARC T8-4 Server Service Manual • January 2022...
  • Page 185 Remove the Rear Chassis Subassembly All five fan modules – see “Remove a Fan Module” on page 148. ■ All PCIe carriers or PCIe fillers – see “Remove a PCIe Card Carrier” on page 161. Make ■ note of the slots for each carrier or filler panel so that you can install them into the same slots.
  • Page 186 Remove the Rear Chassis Subassembly Slide the rear chassis subassembly out and away from the server. Related Information “Install the Rear Chassis Subassembly” on page 187 ■ SPARC T8-4 Server Service Manual • January 2022...

  • Page 187: Install The Rear Chassis Subassembly

    Install the Rear Chassis Subassembly Install the Rear Chassis Subassembly Slide the rear chassis subassembly into the server. From the front of the server, tighten the five green screws that secure the rear chassis subassembly in the server. Remove the connector covers from the replacement rear chassis subassembly. Install the following components: All four power supplies –...

  • Page 188: Verify The Rear Chassis Subassembly

    Use the fmadm faulty command to determine if the server is operating normally. If a fault was detected, see “Diagnostics Process” on page ■ If no faults were detected, then the rear chassis subassembly has been replaced successfully. ■ No further action is required. SPARC T8-4 Server Service Manual • January 2022...
  • Page 189 Verify the Rear Chassis Subassembly Related Information “Detecting and Managing Faults” on page 25 ■ “Rear I/O Module LEDs” on page 173 ■ “Remove the Rear Chassis Subassembly” on page 184 ■ “Install the Rear Chassis Subassembly” on page 187 ■...
  • Page 190 SPARC T8-4 Server Service Manual • January 2022...

  • Page 191: Returning The Server To Operation

    Returning the Server to Operation These topics explain how to return the Oracle SPARC T8-4 server to operation after you have performed service procedures. Steps Description Links Connect the power cords. “Connect Power Cords” on page 191 Power on the server.

  • Page 192: Power On The Server (Oracle Ilom)

    Power On the Server (Oracle ILOM) Power On the Server (Oracle ILOM) The boot process depends on the most recent power state of the server and on Oracle Note - ILOM policy settings. You must determine if the server is running before you issue the start /System command.

  • Page 193: Glossary

    Glossary ANSI SIS American National Standards Institute Status Indicator Standard. Auto Service Request automatic system recovery American wire gauge. Baseboard management controller. Memory buffer on board. chassis Server enclosure. Cable management arm (SPARC T7-1 and SPARC T7-2); cable management assembly (SPARC T7-4).
  • Page 194 Host bus adapter. host The part of the server or server module with the CPU and other hardware that runs the Oracle Solaris OS and other applications. The term host is used to distinguish the primary computer from the SP. See SPM.
  • Page 195 Keyboard, video, mouse. Refers to using a switch to enable sharing of one keyboard, one display, and one mouse with more than one computer. LDom Logical domain managed by Oracle VM Server for SPARC. See Oracle VM Server for SPARC.
  • Page 196 OpenBoot PROM. Sometimes OBP is used in file names and messages to indicate a relationship to OpenBoot. Oracle ILOM Oracle Integrated Lights Out Manager. Oracle ILOM firmware is preinstalled on a variety of Oracle systems. Oracle ILOM enables you to remotely manage your Oracle servers regardless of the state of the host system.
  • Page 197 Service processor module. In the server, the SPM is a card with its own OS that is operating and accessible whenever the server power cords are connected and energized, regardless of host power state. The SPM processes Oracle ILOM commands providing lights out management control of the host. See host.
  • Page 198 SPARC T8-4 Server Service Manual • January 2022...

  • Page 199: Index

    Index AC power connectors DIMMs configuration, 135 addresses, 73 LEDs, 137 configuration errors, 72 locating, 15 configuration reference, 70 antistatic mat, 45 identifying, 71 antistatic wrist strap, 44 installing, 81 locating, 18 locating faulty using DIMM Fault Remind button, 76 using PSH, 74 NAC names, 73 backup devices, supported, 21...
  • Page 200 63 RAID expansion modules, 20 rear chassis subassembly, 187 rear I/O module, 15 rear I/O module, 178 server, 49 SCC PROM, 126 system configuration PROM, 20 SPM, 121 locating faulty SPARC T8-4 Server Service Manual • January 2022...
  • Page 201 114 locating faulty, 138 removing, 139 verifying, 144 powering off emergency shutdown, 52 Oracle Solaris OS files and commands, 35 gracefully with power button, 52 Oracle Solaris PSH using service processor command, 51 checking for faults, 33 powering on...
  • Page 202 PCIe carriers, 161 System Power button, 29 power supplies, 139 System Power OK LED, 29, 30 processor modules, 60 system schematic, 40 rear chassis subassembly, 184 System Service Required LED, 29, 30 SPARC T8-4 Server Service Manual • January 2022...
  • Page 203 Index tools needed for service, 45 upgrading the server, 56 using Oracle VTS, 26 UUID, 33 /var/adm/messages file, 36 verifying battery, 132 DIMMs, 84 fan modules, 152 hard drives, 94 main module, 105 NVMe switch cards, 114 PCIe cards, 171...
  • Page 204 SPARC T8-4 Server Service Manual • January 2022...

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