IBM RS/6000 SP manual Replacing the switch planar, Removing the 48 V dc circuit breaker assembly

Page 78

SP Switch2 service procedures

Replacing the switch planar

Attention: Replacement of the switch planar involves the replacement of the removed switch's externally accessible plug-ins into a new, partially populated switch planar-in-chassis assembly.

1.Remove all fan assemblies from the new switch planar assembly. v Refer to ªRemoving a fan assemblyº on page 4-2.

2.Install the components from the old switch into the new chassis assembly in the following order:

a.Replace the switch supervisor card.

v Refer to ªReplacing the switch supervisor cardº on page 4-6.

b.All interposer cards.

v Refer to ªReplacing an interposer cardº on page 4-7.

c.All power supplies.

v Refer to ªReplacing a power supplyº on page 4-3.

d.All fan assemblies.

v Refer to ªReplacing a fan assemblyº on page 4-2.

3.Replace the switch from service position.

v Refer to ªReplacing an SP Switch2 from service positionº on page 3-11.

4.Return to the procedure that directed you here.

Removing the 48 V dc circuit breaker assembly

Note: Refer to ªHandling static-sensitive devicesº on page 4-1.

1.Place the switch in service position.

v Refer to ªPlacing an SP Switch2 into service positionº on page 3-10.

2.Remove the switch supervisor card from slot J2.

v Refer to ªRemoving the switch supervisor cardº on page 4-5.

3.Remove the circuit breaker assembly mounting screws.

4.Loosen the captive screws on the chassis center top-cover and remove the cover.

5.Unplug the circuit breaker assembly power cable from J48V on the switch planar.

6.Grasp the circuit breaker bracket with one hand, apply finger pressure at its base from the empty J2 slot with the other hand, and remove the assembly by pulling it out of the chassis.

4-8RS/6000 SP: SP Switch2 Service Guide

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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 and environmental notices Safety notices in EnglishRS/6000 SP SP Switch2 Service Guide SPSFD017 Xii RS/6000 SP SP Switch2 Service Guide Laser safety information Environmental notices Product recycling and disposalXiv RS/6000 SP SP Switch2 Service Guide About this book Who should use this bookRelated information How to use this book How to send your commentsUsers responsibilities Switch description and problem determination MAP Maintenance Analysis Procedures MAPsSwitch MAPs Purpose of this MAPSwitch Connection Types Standard Node Switch-to-SwitchSwitch Assembly Description SP Switch2 SP Switch2 Assembly High-Level Diagram Flashing Green Power LEDYellow Environment LED Errpt -a -N sphwlog pg Errpt -a -N css0 Errpt -a -N WormSP Switch2 Wrap Plugs Priority Message or condition ActionSwitch supervisor communications MAP Green LED Yellow LED IndicationTogether Switch supervisor communications MAP Switch supervisor communications MAP Switch environment MAP Condition ActionPriority Component Action SP Switch2 Chassis Assembly Power supply failure diagnostics Switch power MAP Switch power MAP Step 16RS/6000 SP SP Switch2 Service Guide Switch function MAP EstartEprimary Splstdata -n pgPg /var/adm/SPlogs/css0/p0/out.top Notes Switch Function MAP Error # Device Message Link Message Description and Action Starts the faultserviceWormRTGCS daemonVar/adm/SPlogs/css0/p0/out.top file on the primary If the cabling does not match, correct the cabling E06-S02-BH-J3 E02-S17-BH-J18E02-N05 Priority Condition ActionStep Service Request NumberFailing Component Description SRN Priority Failing Component Action26RS/6000 SP SP Switch2 Service Guide Dsh -w nodelist /usr/lpp/ssp/css/rc.switch Dsh -a /usr/lpp/ssp/css/rc.switch Locations Naming standard for RS/6000 SP componentsFormat structure Location diagrams of the RS/6000 SP components Major assemblyFront and rear views of RS/6000 SP frame Figure notes2shows a front view of the RS/6000 SP multi-switch frame Frame locations Frame FRAExample E01-FRA-G1 Switch assembly locations Connector detailsCable routing Locations Cable routing in a multi-switch frame F/C Switch data cables Cable Part Plug from Plug to Number Location12RS/6000 SP SP Switch2 Service Guide Service procedures Personal ESD requirementsTools and files overview Usr/lpp/ssp/css/rc.switch Utility Runs on Description Directory FaultserviceWormRTGCSRc.switch IfconfigUsing the css.snap script Css.snap file structure Var/adm/SPlogs/cssX where X=0 orVar/adm/SPlogs/cssX/p0 where X=0 or Var/adm/SPlogs/cssMost recent css.snaps ifcldump Most recent css.snaps readregsMost recent css.snaps splstdata Disk space handling SP Switch2 supervisor self-testCss.snap file package names If the -a and -p flags are not usedChecking switch status Switch supervisor status verification using PerspectivesOpening a switch pane Self-test ConditionsUpdating the SP Switch2 supervisor code Base code verificationRemoving and restoring switch resources Removing an SP Switch2 from the active configurationRestoring an SP Switch2 to the active configuration Efence of primary and primary backup nodes Fencing nodesReplacing an SP Switch2 from service position Resetting the clock and bootlist after servicing a nodeRunning diagnostics on a switch port FRU removals and replacements Handling static-sensitive devicesSP Switch2 service procedures Removing a fan assemblyReplacing a fan assembly Removing a power supply Replacing a power supplyRemoving the LED bracket assembly Replacing the LED bracket assemblyRemoving the switch supervisor card Replacing the switch supervisor card Removing an interposer cardRemoving the switch planar Replacing an interposer cardReplacing the switch planar Removing the 48 V dc circuit breaker assemblyReplacing the 48 V dc circuit breaker assembly Removing the LED power extension cableReplacing 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 Switch cables This page intentionally left blankSwitch cables SP Switch2 Frame F/C FrontSP 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 Trademarks AIXUnited Kingdom telecommunications safety requirements European Union EU statementIndustry Canada compliance statement For installations in Japan Electromagnetic interference EMI statement TaiwanRadio protection for Germany 4RS/6000 SP SP Switch2 Service Guide Index Numerics Files Created by css.snap Removing LED bracket 4RS/6000 SP SP Switch2 Service Guide Readers comments ± Wed like to hear from you How satisfied are you that the information in this book isPlease tell us how we can improve this book 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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