IBM RS/6000 SP manual Step

Page 41

Switch Function (MAP 0620)

Step 0620-005

The /var/adm/SPlogs/css0/p0/out.top file indicates a problem with a ªPrimary nodeº or ªSecondary nodeº connection.

1.Open frame rear cover and check the cable connection from the indicated switch assembly jack to the processor node.

2.Is there a cable connected to the indicated jack on the switch assembly? v If yes, go to ªStep 0620-008º.

vIf no, go to ªStep 0620-006º.

Step 0620-006

No cable connected at the indicated interposer on the switch assembly (refer to the tables in ªSwitch data cablesº on page 2-11).

1.Should there be a cable connecting the indicated interposer to a processor node? v If yes:

a.Connect a switch data cable from this interposer to the proper processor node.

b.Go to ªStep 0620-021º on page 1-27.

vIf no, go to ªStep 0620-007º.

Step 0620-007

A switch cable is not required on the indicated interposer.

1.Have customer check the switch configuration file to see if an interposer is required in that slot: v Use the Etopology command.

2.Did you just correct the switch configuration?

v If yes, go to ªStep 0620-021º on page 1-27.

v If no, go to ªStep 0620-020º on page 1-27 to service or replace the switch assembly.

Step 0620-008

You have a switch cable connected to the indicated interposer on the switch assembly.

1.Check cable connection at switch assembly and processor node.

2.Does the cable appear to be fully connected at the switch assembly and the processor node?

vIf yes, go to ªStep 0620-009º.

vIf no:

a.Fix the cable connection problem.

b.Go to ªStep 0620-021º on page 1-27.

Step 0620-009

The cable appears to be fully connected at both the switch assembly and at the processor node.

1.From the front of the RS/6000 SP frame or from the control workstation, check the Power (green) LED on the processor node to make sure it is lit.

2.Is the Power (green) LED lit, indicating the processor node is powered on? v If yes, go to ªStep 0620-011º on page 1-24.

vIf no, go to ªStep 0620-010º.

Step 0620-010

The processor must be powered on for the switch to recognize the port.

1.Power on this processor node, and check the Power (green) LED.

2.Does the Power (green) LED stay lit, indicating the processor node is powered on? v If yes, go to ªStep 0620-021º on page 1-27.

vIf no:

a. The processor node has a power problem.

Chapter 1. Maintenance Analysis Procedures (MAPs) 1-23

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Contents IBM Page IBM Fourth edition April Contents FRU removals and replacements Figures Vi RS/6000 SP SP Switch2 Service Guide Tables Viii RS/6000 SP SP Switch2 Service Guide Safety notices in English Safety and environmental noticesRS/6000 SP SP Switch2 Service Guide SPSFD017 Xii RS/6000 SP SP Switch2 Service Guide Environmental notices Product recycling and disposal Laser safety informationXiv RS/6000 SP SP Switch2 Service Guide Related information About this bookWho should use this book Users responsibilities How to use this bookHow to send your comments Switch MAPs Maintenance Analysis Procedures MAPsSwitch description and problem determination MAP Purpose of this MAPSwitch Assembly Description SP Switch2 Switch Connection Types Standard NodeSwitch-to-Switch SP Switch2 Assembly High-Level Diagram Yellow Environment LED Green Power LEDFlashing Errpt -a -N sphwlog pg Errpt -a -N css0 Errpt -a -N WormPriority Message or condition Action SP Switch2 Wrap PlugsTogether Switch supervisor communications MAPGreen LED Yellow LED Indication Switch supervisor communications MAP Switch supervisor communications MAP Condition Action Switch environment MAPPriority Component Action SP Switch2 Chassis Assembly Power supply failure diagnostics Switch power MAP Switch power MAP Step 16RS/6000 SP SP Switch2 Service Guide Estart Switch function MAPPg /var/adm/SPlogs/css0/p0/out.top Notes EprimarySplstdata -n pg Switch Function MAP Var/adm/SPlogs/css0/p0/out.top file on the primary Error # Device Message Link Message Description and ActionStarts the faultserviceWormRTGCS daemon If the cabling does not match, correct the cabling E02-N05 E02-S17-BH-J18E06-S02-BH-J3 Priority Condition ActionStep Failing Component Description Service RequestNumber Priority Failing Component Action SRN26RS/6000 SP SP Switch2 Service Guide Dsh -w nodelist /usr/lpp/ssp/css/rc.switch Dsh -a /usr/lpp/ssp/css/rc.switch Format structure LocationsNaming standard for RS/6000 SP components Major assembly Location diagrams of the RS/6000 SP componentsFigure notes Front and rear views of RS/6000 SP frame2shows a front view of the RS/6000 SP multi-switch frame Frame FRA Frame locationsExample E01-FRA-G1 Connector details Switch assembly locationsCable routing Locations Cable routing in a multi-switch frame F/C Cable Part Plug from Plug to Number Location Switch data cables12RS/6000 SP SP Switch2 Service Guide Tools and files overview Service proceduresPersonal ESD requirements Rc.switch Utility Runs on Description Directory FaultserviceWormRTGCSUsr/lpp/ssp/css/rc.switch IfconfigUsing the css.snap script Var/adm/SPlogs/cssX/p0 where X=0 or Var/adm/SPlogs/cssX where X=0 orCss.snap file structure Var/adm/SPlogs/cssMost recent css.snaps splstdata Most recent css.snaps ifcldumpMost recent css.snaps readregs Css.snap file package names SP Switch2 supervisor self-testDisk space handling If the -a and -p flags are not usedOpening a switch pane Switch supervisor status verification using PerspectivesChecking switch status Self-test ConditionsBase code verification Updating the SP Switch2 supervisor codeRestoring an SP Switch2 to the active configuration Removing and restoring switch resourcesRemoving an SP Switch2 from the active configuration Fencing nodes Efence of primary and primary backup nodesResetting the clock and bootlist after servicing a node Replacing an SP Switch2 from service positionRunning diagnostics on a switch port Handling static-sensitive devices FRU removals and replacementsReplacing a fan assembly SP Switch2 service proceduresRemoving a fan assembly Replacing a power supply Removing a power supplyReplacing the LED bracket assembly Removing the LED bracket assemblyRemoving the switch supervisor card Removing an interposer card Replacing the switch supervisor cardReplacing an interposer card Removing the switch planarRemoving the 48 V dc circuit breaker assembly Replacing the switch planarRemoving the LED power extension cable Replacing the 48 V dc circuit breaker assemblyReplacing the LED power extension cable Parts catalog SP Switch2 assembly view Assembly Part number Units Description Index 4RS/6000 SP SP Switch2 Service Guide Baffle, Power Supply Bay Tray This page intentionally left blank Switch cablesSwitch cables Front SP Switch2 Frame F/CSP Switch2 Frame F/C 2032 frame extender F/C 2032 frame extender SP Switch2 Frame Model 556 and F/C SP Switch2 Frame Model 556 and F/C Model 556 and F/C 2034 frame extender Model 556 and F/C 2034 frame extender 16RS/6000 SP SP Switch2 Service Guide AIX TrademarksIndustry Canada compliance statement United Kingdom telecommunications safety requirementsEuropean Union EU statement Radio protection for Germany For installations in JapanElectromagnetic interference EMI statement Taiwan 4RS/6000 SP SP Switch2 Service Guide Index Numerics Files Created by css.snap Removing LED bracket 4RS/6000 SP SP Switch2 Service Guide Please tell us how we can improve this book Readers comments ± Wed like to hear from youHow satisfied are you that the information in this book is Business Reply Mail Page Ibmr
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RS/6000 SP specifications

The IBM RS/6000 SP (Scalable Power) is a high-performance computing system that was developed in the early 1990s and has since become a significant player in the realm of supercomputing and enterprise solutions. Designed primarily for scientific, engineering, and complex data analysis tasks, the RS/6000 SP provides powerful processing capabilities, enhanced scalability, and features to support demanding applications.

One of the key characteristics of the RS/6000 SP is its modular architecture, which allows for the addition of multiple nodes. Each node is based on IBM's Power architecture, leveraging the RISC (Reduced Instruction Set Computing) design to achieve high throughput and efficiency. The system can support configurations ranging from a few nodes to hundreds, enabling organizations to scale their computational power as needed based on workload requirements.

The RS/6000 SP employs advanced interconnect technologies, most notably the SP Switch, which ensures high-speed communication between nodes. This interconnect allows for seamless data transfer, ensuring that the system can handle large datasets and complex computations without bottlenecks. The SP's ability to deliver concurrent processing capabilities makes it ideal for parallel computing tasks, including simulations, modeling, and large-scale computations.

In terms of software, the RS/6000 SP was equipped with AIX, IBM's version of the UNIX operating system, which provides a stable and secure environment for enterprise applications. Furthermore, the system supports a vast array of programming languages and tools, including Fortran, C, and C++, along with libraries and frameworks designed for high-performance computing. This compatibility allows developers to optimize their applications to fully utilize the underlying hardware.

Another notable feature of the RS/6000 SP is its extensive support for various workloads, including database management, multi-user applications, and graphical processing. The system was equipped with high-performance graphics capabilities, making it suitable for tasks that require intensive visualization, such as computer-aided design (CAD) and scientific visualization.

Overall, the IBM RS/6000 SP has solidified its role in the high-performance computing landscape, combining advanced technologies, robust scalability, and flexibility to meet the unique demands of research and enterprise environments. Its legacy continues to influence modern computing architectures, embodying IBM’s commitment to innovation and performance in the pursuit of complex problem-solving capabilities.
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