IBM RS/6000 SP manual About this book, Who should use this book, Related information

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About this book

This book covers the SP Switch2 only. Refer to RS/6000 SP: SP Switch Service Guide, GA22-7443 for information related to the SP Switch.

This book is to help you, as a customer engineer diagnose and repair an RS/6000® SP™ SP Switch2 by performing the following tasks:

vIdentify field replaceable unit (FRU) locations

vIsolate RS/6000 SP failures using Maintenance Analysis Procedures (MAPs)

vPerform diagnostic service procedures

vPerform removal and replacement procedures

vIdentify FRUs and their corresponding part numbers

Who should use this book

This book is intended for RS/6000 SP product-trained service personnel.

Related information

The following books make up the complete RS/6000 SP hardware service library:

vRS/6000 SP: Safety Information, GA22-7467. Safety notices, in English and translated into other national languages, which are compiled from all the books in the library.

vRS/6000 SP: Installation and Relocation, GA22-7441. Installation and relocation procedures, maintenance agreement and qualification procedures, SP system verification.

vRS/6000 SP: System Service Guide, GA22-7442. General SP system service procedures, the system Start MAP, and MAPs and parts catalog for the frames and power subsystems. Use this book to begin a diagnostic procedure to isolate a problem to a specific major component of the SP system.

vRS/6000 SP: SP Switch Service Guide, GA22-7443. Service procedures, MAPs, and parts catalog information specific to the SP Switch.

vRS/6000 SP: SP Switch2 Service Guide, GA22-7444. Service procedures, MAPs, and parts catalog information specific to the SP Switch2 (this book).

vRS/6000 SP: Uniprocessor Thin and Wide Node Service Guide, GA22-7445. Service procedures, MAPs, and parts catalog information specific to all uniprocessor-type nodes.

vRS/6000 SP: 604 and 604e SMP High Node Service Guide, GA22-7446. Service procedures, MAPs, and parts catalog information specific to these nodes.

vRS/6000 SP: SMP Thin and Wide Node Service Guide, GA22-7447. Service procedures, MAPs, and parts catalog information specific to these nodes.

vRS/6000 SP: POWER3 SMP High Node Service Guide, GA22-7448. Service procedures, MAPs, and parts catalog information specific to this node.

This book and other RS/6000 SP hardware and software documentation are available both online and, for some books, in printed form from the following sources:

vThe Web site at http://www.ibm.com/servers/eserver/pseries/library/sp_books/index.html

vThe Resource Center on the PSSP product media

vPrinted and CD-ROM versions (which can be ordered from IBM)

For more information on these sources and an extensive listing of RS/6000 SP related publications, see the bibliography in RS/6000 SP: Installation and Relocation.

© Copyright IBM Corp. 2000, 2002

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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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