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007-6419-003

6: Troubleshooting

Memory Errors

If your system experiences memory related errors, try these basic troubleshooting steps to resolve
or better identify the problem:

•

Confirm that the power supply LED is not indicating an error.

•

Shut the system down, remove the covers over the serverboard and make sure that all the
DIMM modules are properly and fully installed.

•

You should be using registered ECC DDR4 memory. Also, it is recommended that you use
the same memory type and speed for all DIMMs in the system.

•

Check for bad DIMM modules or slots by swapping modules between slots and noting the
results.

Contact your administrator or support provider if the memory errors continue.

Summary of Contents for SGI UV 30

Page 1: ...SGI UV 30 System User Guide 007 6419 003 ...

Page 2: ...4538 TRADEMARKS AND ATTRIBUTIONS Rackable Silicon Graphics SGI SGI UV the SGI logo and Supportfolio are trademarks or registered trademarks of Silicon Graphics International Corp in the United States and or other countries worldwide ASPEED is a registered trademark of ASPEED InfiniBand is a registered trademark of the InfiniBand Trade Association Intel Itanium and Xeon are trademarks or registered...

Page 3: ...007 6419 003 iii Record of Revision Version Description 001 May 2015 Original printing 002 July 2015 Added section to troubleshooting chapter 003 July 2016 Processor and service reference updates ...

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Page 5: ...rboard Features 4 Additional Hardware Components 5 Optional SGI Remote Services SGI RS 6 SGI Remote Services Primary Capabilities 6 SGI Remote Services Benefits 7 SGI Remote Service Operations Overview 7 SGI Knowledgebase 8 SGI Warranty Levels 8 2 System Safety 9 Electrical Safety Precautions 9 General Safety Precautions 11 ESD Precautions 12 Operating Precautions 12 3 Server Installation 13 Unpac...

Page 6: ... 16 Install the Inner Rails 18 Install the Server in a Rack 20 Check the Serverboard Setup 22 Removing the Chassis Cover 22 Checking the Components and Setup 24 Checking the Drive Bay Setup 24 Checking the Airflow 24 Providing Power 24 4 System Monitoring 25 Control Panel Components 26 Drive Carrier LEDs 29 Power Supply LED 30 5 Chassis Maintenance 31 Before You Start 32 Tools and Supplies Needed ...

Page 7: ...eplacing System Fans 40 6 Troubleshooting 43 If the System Does Not Power Up 44 System Powers Up But Will Not Boot 44 No Video After System Power Up 45 Perceived Boot Freezes GPU Configurations 45 Memory Errors 46 A Technical Specifications 47 B BIOS Error Codes 51 ...

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Page 9: ...Installing the Rack Rails 17 Figure 3 2 Installing the Inner Rails 19 Figure 3 3 Installing the Server in a Rack 21 Figure 3 4 Accessing the Inside of the Chassis 23 Figure 4 1 Front Control Panel 25 Figure 4 2 Control Panel Components 26 Figure 5 1 Accessing the Inside of the Chassis 33 Figure 5 2 Power Supply Release Tab 34 Figure 5 3 Replacing a Power Supply 35 Figure 5 4 Removing HDD Carrier f...

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Page 11: ...s 4 Table 4 1 Control Panel Components 27 Table 4 2 Universal Information LED States 27 Table 4 3 Drive Carrier LEDs 29 Table 4 4 Power Supply LED States 30 Table A 1 Temperature Humidity and Altitude Specifications 47 Table A 2 Miscellaneous System Specifications 48 Table B 1 BIOS Error Codes 51 ...

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Page 13: ...GI UV 30 server It also provides basic troubleshooting and maintenance information as well as important safety and regulatory specifications Audience This guide is written for owners installers system administrators and users of SGI UV 30 computer systems It is written with the assumption that the reader has a good working knowledge of computers and computer systems ...

Page 14: ... 5 Chassis Maintenance Describes how you replace fans disk drives and power supplies Chapter 6 Troubleshooting Describes some basic steps to troubleshoot your system Appendix A Technical Specifications Describes system component specifications Appendix B BIOS Error Codes Provides BIOS error code information Related Publications The following SGI documents are relevant to the SGI UV 30 server SGI F...

Page 15: ... services to implement and integrate Linux applications in your environment Convention Meaning Command This fixed space font denotes literal items such as commands files routines path names signals messages and programming language structures variable The italic typeface denotes variable entries and words or concepts being defined Italic typeface is also used for book titles user input This bold f...

Page 16: ...to the 3rd party vendor If you are uncertain where to obtain support SGI support personnel will be able to provide additional information Reader Comments If you have comments about the technical accuracy content or organization of this document contact SGI Be sure to include the title and document number of the manual with your comments Online the document number is located in the front matter of ...

Page 17: ...systems the 2U server chassis and a quad processor serverboard Figure 1 1 The SGI UV 30 Server This chapter describes the server using the following topics Server Chassis Features on page 2 Serverboard Features on page 4 Additional Hardware Components on page 5 See Appendix A Technical Specifications for the more details ...

Page 18: ...3 0 expansion cards with four riser cards These include seven cards with external ports and four internal cards Two can be double width GPUs Control panel The front control panel shown in Figure 1 2 provides system monitoring and power control LEDs indicate system power HDD activity and network activity UID unit identifier overheat and fan failure A main power button and a reset button are also in...

Page 19: ...es 007 6419 003 3 Figure 1 2 shows the noteworthy components on the front of the server chassis Figure 1 2 Front Chassis View Figure 1 3 shows the noteworthy components on the rear chassis panel Figure 1 3 Rear Chassis View ...

Page 20: ...rboard This block diagram is intended for your reference only Table 1 2 Serverboard Features Feature Description Processors The serverboard supports up to four Intel Xeon E5 4600 v3 or E5 4600 v4 series processors Memory The serverboard has 48 memory slots that can support up to 3 TB of LRDIMM or 1 5 TB of RDIMM DDR4 2400 2133 1866 memory Onboard serial ATA SATA A SATA controller is integrated int...

Page 21: ...ardware Components 007 6419 003 5 Figure 1 4 Serverboard Block Diagram Additional Hardware Components In addition to the serverboard and chassis the following hardware components have been included with the server ...

Page 22: ...SGI RS The optional SGI RS system automatically detects system conditions that indicate potential future problems and then notifies the appropriate personnel This enables you and SGI global support teams to pro actively support systems and resolve issues before they develop into actual failures SGI Remote Services provides a secure connection to SGI Customer Support on demand This can ensure busin...

Page 23: ...ails SGI Remote Service Operations Overview An SGI Support Services Software Agent runs on each SGI system at your location enabling remote system monitoring and secure communication to SGI Support staff Your basic hardware and software configuration as well as system health information is captured and stored in the Cloud Figure 1 5 shows an example visual overview of the monitoring and response p...

Page 24: ...ns fixes and how to instructions for the solutions that best match your description or question SGI Warranty Levels SGI Electronic Support services are available to customers who have a valid SGI Warranty or optional support contract Additional electronic services may become available after publication of this document To purchase a support contract that allows you to use all available SGI Electro...

Page 25: ...t power down the operating system first and then unplug the power cords The unit has more than one power supply cord Disconnect two power supply cords before servicing to avoid electrical shock When working around exposed electrical circuits another person who is familiar with the power off controls should be nearby to switch off the power if necessary Use only one hand when working with powered o...

Page 26: ...e recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Mainboard replaceable soldered in fuses Self resetting PTC Positive Temperature Coefficient fuses on the mainboard must be replaced by trained service technicians only The new fuse must be the same or equivalent as the one replaced Contact technical support for details and support Figure 2 1 In...

Page 27: ...they won t accidentally be stepped on While working on the system do not wear loose clothing such as neckties and unbuttoned shirt sleeves which can come into contact with electrical circuits or be pulled into a cooling fan Remove any jewelry or metal objects from your body which are excellent metal conductors that can create short circuits and harm you if they come into contact with printed circu...

Page 28: ...t strap Handle a board by its edges only do not touch its components peripheral chips memory modules or contacts When handling chips or modules avoid touching their pins Put the serverboard and peripherals back into their antistatic bags when not in use For grounding purposes make sure your computer chassis provides excellent conductivity between the power supply the case the mounting fasteners an...

Page 29: ...ght power requirements and environmental requirements of the server It should be situated in a clean dust free environment that is well ventilated Avoid areas where heat electrical noise and electromagnetic fields are generated Place the server rack near a grounded power outlet Refer to Warnings and Precautions on page 14 Prepare for Setup The shipping container should include two sets of rail ass...

Page 30: ...nd Precautions Rack Precautions Warning Failure to follow the following guidelines can result in serious injury or damage to the equipment The SGI UV 30 server weighs 52 lbs 23 6 kg Always use proper lifting techniques when your move the server Always get the assistance of another qualified person when you install the sever in a location above your shoulders Extend the leveling jacks on the bottom...

Page 31: ... not servicing to maintain proper cooling Rack Mounting Considerations Ambient Operating Temperature If installed in a closed or multi unit rack assembly the ambient operating temperature of the rack environment may be greater than the ambient temperature of the room Therefore consideration should be given to installing the equipment in an environment compatible with the manufacturer s maximum rat...

Page 32: ...tem has already been mounted into a rack refer to Check the Serverboard Setup on page 22 There are a variety of rack units on the market which may mean the assembly procedure will differ slightly You should also refer to the installation instructions that came with the rack unit you are using Note This rail will fit a rack between 26 5 and 36 4 deep Separate the Sections of the Rack Rails and Inst...

Page 33: ...chassis in place The outer rails for the chassis extend between 30 inches and 33 inches Steps 5 8 describe how to install the outer rails to the rack see Figure 3 1 5 Secure the back end of the outer rail to the rack using the screws provided 1 2 3 4 Rail Assembly Extending the Rails Quick Release Tab Separating the Inner Rail Extension 5 6 7 ...

Page 34: ...erent for the left side and right side of the chassis and are so labeled Perform the following steps to install an inner rail as illustrated in Figure 3 2 1 Place the inner rail on the appropriate side of the chassis Align the hooks of the chassis with the rail holes Make sure the rail faces outward 2 To secure the rail to the chassis slide the rail toward the front of the chassis until the quick ...

Page 35: ...Install the System into a Rack 007 6419 003 19 Figure 3 2 Installing the Inner Rails ...

Page 36: ... to the equipment You should now have rails attached to both the server chassis and the rack unit The next step is to install the server into the rack refer to Figure 3 3 1 Extend the outer rails as shown in Figure 3 3 2 Align the inner rails of the chassis with the outer rails on the rack 3 Slide the inner rails into the outer rails keeping the pressure even on both sides When the chassis has bee...

Page 37: ...Install the System into a Rack 007 6419 003 21 Figure 3 3 Installing the Server in a Rack Note The figure above is for illustration purposes Always install servers to the rack in a bottom to top fashion ...

Page 38: ...sis cover as illustrated in Figure 3 4 Note Ensure that the system is not turned on or connected to AC power 1 If the server is rack mounted grasp the two front handles and pull the server straight out until it locks You will hear a click when it locks To remove the system from the rack completely depress the locking tabs on the chassis rails push the right side tab down and the left side tab up t...

Page 39: ...Check the Serverboard Setup 007 6419 003 23 Figure 3 4 Accessing the Inside of the Chassis ...

Page 40: ...stem s configuration your system may have one or more drives already installed All drives are accessible from the front of the server If you need to install hard drives see Replacing Disk Drives on page 36 Use only recommended server parts Checking the Airflow Airflow is provided by four 8 cm chassis cooling fans The system component layout was carefully designed to direct sufficient cooling airfl...

Page 41: ...riers and power supplies to keep you constantly informed of the overall status of the system As shown in Figure 4 1 the control panel is on the left handle of the chassis Figure 4 1 Front Control Panel This chapter describes the functions of the buttons and LEDs and the appropriate responses you may need to take ...

Page 42: ...26 007 6419 003 4 System Monitoring Control Panel Components Figure 4 2 shows the components of the control panel Figure 4 2 Control Panel Components A B E C D F G ...

Page 43: ...ctivity C F When flashing these LEDs indicates network activity on the GLAN1 and GLAN2 respectively D This is the Universal Information LED It can indicate an overheat condition fan failure power failure or the UID button activation See Table 4 2 This LED will remain solid red or continue to flash as long as the temperature is too high or a fan does not function properly E When illuminated this LE...

Page 44: ... and make sure all fans are present and operating Ensure that the chassis cover and air shrouds are installed Verify that the heatsinks are installed properly Solid blue Local UID button depressed Use this function to locate the server in a rack Blinking blue IPMI activated UID Use this function to identify the server from a remote location Table 4 2 Universal Information LED States continued LED ...

Page 45: ...tivity LED Blue Solid on SAS NVMe drive installed Blue Blinking I O activity Status LED Red Solid on Failure of drive with RSTe support Red Blinking at 1 Hz Rebuild drive with RSTe support Red Blinking with two blinks and one stop at 1 Hz Hot spare for drive with RSTe support Red On for five seconds then off Power on for drive with RSTe support Red Blinking at 4 Hz Identify drive with RSTe support...

Page 46: ...ote This is the normal state for a redundant PS Green 2Hz blink PS firmware updating Amber PS critical event causing a shutdown failure OCP OVP fan failure AC cord unplugged or AC power lost A second power supply in parallel still has AC input power Amber 1Hz blink PS warning events where the power supply continues to operate high temperature high power high current slow fan The system power suppl...

Page 47: ...re hot swappable that is you can replace them without powering down the server As a safety precaution replacing the fans requires a system power down A trained service technician should install and replace all other components This chapter describes the following chassis maintenance activities Removing the Chassis Cover on page 32 Replacing a Power Supply on page 34 Replacing Disk Drives on page 3...

Page 48: ...periods of time do not operate the server without the cover in place The chassis cover must be in place to allow proper airflow and prevent overheating Use the following procedure for removing the chassis cover as illustrated in Figure 5 1 Note Ensure that the system is not turned on or connected to AC power 1 If the server is rack mounted grasp the two front handles and pull the server straight o...

Page 49: ... the Chassis Cover 007 6419 003 33 3 Press both release tabs at the same time to unlock the cover and slide the cover to the rear 4 Lift the cover from the chassis Figure 5 1 Accessing the Inside of the Chassis ...

Page 50: ...erruption The power fail LED will illuminate and remain on until the failed unit has been replaced Use the following steps to replace a power supply Caution Unplug the AC power cord from the failed power supply module to reduce the risk of injury from electric shock 1 Pull out the power supply handle and press the retaining clip on the right side of the power supply as illustrated in Figure 5 2 2 ...

Page 51: ...Replacing a Power Supply 007 6419 003 35 Figure 5 3 Replacing a Power Supply ...

Page 52: ...removing carriers with drives installed These carriers also help promote proper airflow for the drive bays For this reason even empty carriers without drives installed must remain in the chassis Removing Carrier from Chassis and Drive from Carrier Use the following procedure to remove the HDD carrier from the chassis and the drive from the carrier 1 Press the release button on the drive carrier Th...

Page 53: ...Replacing Disk Drives 007 6419 003 37 Figure 5 4 Removing HDD Carrier from Chassis ...

Page 54: ...38 007 6419 003 5 Chassis Maintenance Figure 5 5 Removing Dummy Drive from Carrier ...

Page 55: ...d circuit board side facing down so that the mounting holes in the drive align with those in the carrier See Figure 5 6 2 Secure the hard drive into the carrier with four screws 3 Use the open handle to replace the drive carrier into the chassis 4 Gently close the drive carrier handle to secure the drive and carrier into the chassis drive bay Figure 5 6 Installing a Drive into a Carrier ...

Page 56: ...stem is still running to determine which of the fans has failed See Removing the Chassis Cover on page 32 2 Power down the system 3 Remove the power cord s as a safety precaution 4 Unplug the fan wiring from the serverboard and remove the failed fan 5 Press the fan release tab to lift the failed fan from the chassis and pull it completely from the chassis See Figure 5 7 6 Place the new fan into th...

Page 57: ...Replacing System Fans 007 6419 003 41 Figure 5 7 System Fans ...

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Page 59: ...fic components Chapter 5 Chassis Maintenance describes how to replace defective components If the System Does Not Power Up on page 44 System Powers Up But Will Not Boot on page 44 No Video After System Power Up on page 45 Perceived Boot Freezes GPU Configurations on page 45 Memory Errors on page 46 If you follow all of the prescribed procedures and still need assistance check with your authorized ...

Page 60: ...power Flashes slowly about four seconds on off Power supply has failed Green AC power is present and the server is turned on DC power present Open the system cover remove the air shroud and check to make sure that no obvious short circuits exist between the serverboard and chassis If you must replace the power supply refer to Replacing a Power Supply on page 34 System Powers Up But Will Not Boot I...

Page 61: ... Configurations When GPUs have been configured in your system the boot process may appear to freeze after the POST code 91 or A9 stage Most likely the boot process does in fact proceed but the video output switches from the default onboard video port to that of the offboard GPUs once the GPUs have been initialized This behavior is the expected behavior when offboard video has been designated as th...

Page 62: ...ut the system down remove the covers over the serverboard and make sure that all the DIMM modules are properly and fully installed You should be using registered ECC DDR4 memory Also it is recommended that you use the same memory type and speed for all DIMMs in the system Check for bad DIMM modules or slots by swapping modules between slots and noting the results Contact your administrator or supp...

Page 63: ...5000ft Maximum 10ºC hour 18ºF hour Humidity 20 to 80 Non condensing Maximum 10 relative humidity hour Altitude 3050m 10 000ft While Product Power Off Temperature 5ºC 41ºF to 45ºC 113ºF Maximum 20ºC hour 36ºF hour Humidity 8 to 80 Non condensing Altitude 3050m 10 000ft While Product Packaged for Shipping Temperature 40ºC 40ºF to 60ºC 140ºF Maximum 20ºC hour 36ºF hour Humidity 8 to 80 Non condensing...

Page 64: ...wap drive bays to house standard 2 5 drives PCI Expansion Slots Two PCIe 3 0 x16 cards full height full length Two PCIe 3 0 x8 cards full height full length Two PCIe 3 0 x8 cards full height half length One PCIe 3 0 x8 card low profile half length Four PCIe 3 0 x8 cards low profile internal Onboard Graphics ASPEED AST2400 BMC chip Chassis 2U standard depth rackmount Dimensions WxHxD 19 x 3 2 x 35 ...

Page 65: ...nity EN 55024 CISPR 24 EN 61000 4 2 EN 61000 4 3 EN 61000 4 4 EN 61000 4 5 EN 61000 4 6 EN 61000 4 8 EN 61000 4 11 Safety CSA EN IEC UL 60950 1 Compliant UL or CSA Listed USA and Canada CE Marking Europe California Best Management Practices Regulations for Perchlorate Materials This Perchlorate warning applies only to products containing CR Manganese Dioxide Lithium coin cells Special handling for...

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Page 67: ...re If a fatal error occurs you should consult with SGI for possible repairs These fatal errors are usually communicated through a series of audible beeps The numbers on the fatal error list correspond to the number of beeps for the corresponding error Table B 1 BIOS Error Codes Beep Code Error Message Description 1 beep Refresh Circuits have been reset Ready to power up 5 short beeps 1 long beep M...

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