Sun Microsystems SPARC Enterprise T5120, SPARC Enterprise T5140, SPARC Enterprise T5220, SPARC Enterprise T5240, SPARC Enterprise T5440 Product Notes

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Sun™External I/O Expansion Unit

for SPARC

Enterprise

T5120/T5140/T5220/T5240/T5440

Servers

Product Notes

Part No. 820-4800-12 March 2010, Revision A

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Contents

Preface v

External I/O Expansion Unit Product Notes 1

Supported Hardware and Software 1

Patch Information 2

Functionality Issues 2

Known Issues 2

PSU Does Not Automatically Turn On Again After Power Failure 2

Changing the Status of a PSU That Is Marked As Faulty 3

Other Current Issues 4

Closed Issues 5

Documentation Updates 6

Connecting I/O Boats to Different Domains 6

iii

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iv External I/O Expansion Unit Product Notes for SPARC Enterprise T5xxx Servers • March 2010

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Preface

These product notes contain late-breaking information about the Sun™ External I/O Expansion Unit when used with SPARC

Enterprise T5120, T5140, T5220, T5240, and

T5440 servers.

Related Documentation

Document sets for the External I/O Expansion Unit are available for two server families:

■ Sun SPARC Enterprise M4000/M5000/M8000/M9000 servers

■ Sun SPARC Enterprise T5120/T5140/T5220/T5240/T5440 servers

There are differences between the two document sets, so ensure that you have the correct set of documents.

Online documentation is available at:

http://docs.sun.com/app/docs/prod/ext.io.exp#hic

The following table lists the documentation that supports SPARC Enterprise T5120/T5140/T5220/T5240/T5440 servers.

Application Title Part Number Format Location

Installation and service

Late-breaking information

Sun External I/O Expansion Unit Installation and Service Manual for SPARC Enterprise T5120/T5140/T5220/T5240/T5440 Servers

Sun External I/O Expansion Unit for SPARC Enterprise T5120/T5140/T5220/T5240/T5440 Servers Product Notes

The following table lists the documentation that supports SPARC Enterprise M4000/M5000/M8000/M9000 servers.

819-5020-xx PDF Online

819-4800-xx PDF

HTML

Online

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Application Title Part Number Format Location

Installation and service

Late-breaking information

Sun External I/O Expansion Unit Installation and Service Manual for SPARC Enterprise M4000/M5000/M8000/M9000 Servers

Sun External I/O Expansion Unit for SPARC Enterprise M4000/M5000/M8000/M9000 Servers Product Notes

819-1141-xx PDF Online

819-5324-xx PDF

HTML

Online

Technical Support

If you have technical questions or issues that are not addressed in the External I/O Expansion Unit documentation, contact your local Sun Service representative.

For customers in the U.S. or Canada, call 1-800-USA-4SUN (1-800-872-4786). For customers in the rest of the world, find the World Wide Solution Center nearest you by visiting the web site:

http://www.sun.com/service/contacting/solution.html

Note – For the latest patch information go to http://sunsolve.sun.com.

Installation information and README files are included in the patch download.

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Accessing Documentation

Instructions for installing, administering, and using your External I/O Expansion Unit are provided in the External I/O Expansion Unit documentation set. The entire documentation set is available for download from the following web site:

http://www.sun.com/documentation/

Note – Information in these product notes supersedes the information in the

External I/O Expansion Unit documentation set.

Sun Welcomes Your Comments

Sun is interested in improving its documentation and welcomes your comments and suggestions. You can submit your comments by going to:

http://www.sun.com/hwdocs/feedback

Please include the title and part number of your document with your feedback:

Sun External I/O Expansion Unit for SPARC Enterprise T5120/T5140/T5220/T5240/T5440 Servers Product Notes, part number 820-4800-12

Preface vii

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External I/O Expansion Unit Product Notes

This document includes these sections:

■ “Supported Hardware and Software” on page 1

■ “Functionality Issues” on page 2

■ “Documentation Updates” on page 6

Supported Hardware and Software

The following hardware, firmware, and software versions are supported in this release:

■ SPARC

■ The following table lists for each server the first version of the Solaris™

Operating System (OS) and the first version of Integrated Lights Out Management (ILOM) system firmware to support the External I/O Expansion Unit.

Enterprise T5120, T5140, T5220, T5240, and T5440 servers

Server Solaris Version ILOM Firmware

SPARC Enterprise T5120 Solaris 10 8/07 OS 7.1.6.d

SPARC Enterprise T5140 Solaris 10 8/07 OS 7.1.6.d

SPARC Enterprise T5220 Solaris 10 8/07 OS 7.1.6.d

SPARC Enterprise T5240 Solaris 10 8/07 OS 7.1.6.d

SPARC Enterprise T5440 Solaris 10 5/08 OS 7.1.7.d

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Note – The use of the External I/O Expansion Unit to connect the host server to an

external boot disk drive is not supported.

Patch Information

There are currently no patches that are specific for the External I/O Expansion Unit. Patch requirements can be revised at any time. For the availability of patches, see

“Technical Support” on page vi.

Functionality Issues

This section lists known issues for the External I/O Expansion Unit.

Note – Additional issues regarding the External I/O Expansion Unit might be

found in the software release notes for your operating system or the hardware product notes for your server.

Known Issues

PSU Does Not Automatically Turn On Again After Power Failure

A PSU might not automatically turn on again after an interruption of AC power that lasts at least 55 seconds. This failure can occur if the AC cord is temporarily unplugged, or if the AC circuit temporarily loses input AC power. Note that turning the PSU AC switch off and on manually does not cause this failure. When AC power is restored, on the front of the PSU the AC LED will light, but the OK LED will remain off.

The workaround is to turn off the PSU AC switch for approximately 15 seconds, then turn the PSU AC switch on again. The green OK LED and the green AC LED on the front of the PSU should light up.

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If the External I/O Expansion Unit is in use by the system when AC power interruption occurs, the server ’s service processor may change the PSU fault status to faulty and light the amber FAULT LED on the PSU. Once a PSU is marked faulty, the fault status will persist through power cycles so the fault status must be manually cleared. See below for the workaround to clear the PSU fault status.

Changing the Status of a PSU That Is Marked As Faulty

If a server’s service processor detects that a PSU is off, the status of the PSU changes to faulty. The faulty status can persist after the PSU is turned back on.

To clear the fault status of a PSU:

1. Ensure that the hardware problem is cleared and the green OK LED is on.

2. Ensure that the domain is on and the External I/O Expansion Unit can be accessed by the service processor.

The External I/O Expansion Unit should be visible under this command:

-> show /SYS

3. Issue the following command:

-> set clear_fault_action=true /SYS/IOX@nnnn/PSx

Where nnnn is the External I/O Expansion Unit and x is the instance of the power supply.

External I/O Expansion Unit Product Notes 3

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Other Current Issues

TABLE 1 lists open issues for the External I/O Expansion Unit.

TABLE 1 Current Issues (1 of 2)

CR ID Description Workaround

6582282 Ambient temperature at alarm

threshold triggers an excessive number of warning messages.

Ext info /SYS/IOX@nnnn/PSn THERMCTRL/T_AMBIENT has exceeded high warning threshold

(Message repeats.)

6600214 When the power supply unit turns on,

the overtemperature LED might turn on in error.

6660119 If the power supply units are still on

when you disconnect the AC cables, the Fault LED on the PSU might turn on, and the FRUID will be marked faulty.

Reduce the ambient temperature if it is at or exceeds the maximum (38˚C/100˚F). Note: the ambient temperature is measured at the intakes of the PSUs.

Multiple messages are generated if the ambient temperature continuously fluctuates above and below the maximum value.

A single message is generated if the ambient temperature exceeds the maximum without fluctuating above and below the maximum.

If the temperature is within normal limits, recover with this procedure:

• Power off both power supply units on the External I/O Expansion Unit.

• When the DC Power LED ( ) on both power supply units turn off, disconnect both AC cables.

• After 10 seconds or more, reconnect the AC cables.

• Power on the External I/O Expansion Unit.

If the recovery procedure fails, contact a certified service engineer.

To prevent this problem, be sure to turn off the power supply units in the External I/O Expansion Unit before you disconnect the AC cables.

If this problem occurs, verify that the AC cables are properly connected, then turn on the power supply units. Issue the following command to clear the fault and reset the error LEDs on the power supply units:

set clear_fault_action=true /SYS/IOX@nnnn/PSx

6711118 Faults in the External I/O Expansion

Unit that are diagnosed by PSH (Predictive Self-Healing) might display the incorrect location for the suspected FRU(s).

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There is no workaround at this time.

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TABLE 1 Current Issues (2 of 2)

CR ID Description Workaround

6738517 Infiniband I/O cards are not supported. When an External I/O Expansion Unit is connected to a

SPARC Enterprise T5120, T5140, T5220, or T5240 server, Infiniband I/O cards are not supported in either the server or in the External I/O Expansion Unit.

Also note that the SPARC Enterprise T5440 server does not support Infiniband I/O cards, either directly within the T5440 server or within an attached External I/O Expansion Unit.

Closed Issues

TABLE 2 lists issues that were closed.

TABLE 2 Closed Issues

CR ID Fixed in: Description Workaround

6562085 Fan Controller

firmware 2.2

6563777 Fan Controller

firmware 2.4

An I/O boat might not report the correct internal temperature.

If an I/O boat is removed and then inserted again in the External I/O Expansion Unit, the server might generate error messages.

6565649 A PCI Express boat might intermittently not

power on or might display an undervoltage error message.

Ignore the reported temperature.

Reset the External I/O Expansion Unit with the ILOM command:

reset /SYS/IOX@nnnn

where nnnn is the External I/O Expansion Unit system serial number.

The software should automatically restore I/O boat operation. Contact a certified service engineer to request a replacement I/O boat. Note that the fault LED on the I/O boat will continue to be lighted after I/O boat power is restored but the I/O boat will otherwise operate normally.

External I/O Expansion Unit Product Notes 5

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Documentation Updates

Connecting I/O Boats to Different Domains

The following notes will appear on page 2-16 of the Sun External I/O Expansion Unit Installation and Service Manual in Section 2.6, “Installing the Link Kit”:

Note – If you are installing a second boat in the External I/O Expansion Unit, both

boats must be connected to the same host server. Do not connect the second boat to a different server. The second boat can be connected to a different domain on the same server, but not to a domain on a different server.

Note – Do not daisy-chain two boats (connect a boat to another boat through link

cards). Daisy-chain configurations are not allowed.

The new notes will be repeated on page 1-36 of the manual, in Section 1.4.2, “Dual Boat Configuration.”

These notes will replace the following note that is currently on page 2-16:

Note – If you are installing a second boat in the External I/O Expansion Unit, both

boats must be connected to the same host server. Do not connect the second boat to a different server. Also, do not connect the second boat to the first boat; a daisychain configuration is not allowed.

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