IBM RS/6000 SP manual Removing the LED bracket assembly, Replacing the LED bracket assembly

Page 74

SP Switch2 service procedures

Removing the LED bracket assembly

Note: The LED bracket assembly is hot-pluggable.

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

1.Remove the fan assembly housing the LED bracket assembly. v Refer to ªRemoving a fan assemblyº on page 4-2.

2.Remove the LED bracket mounting screw from the side of the fan assembly.

3.Remove the LED bracket assembly.

Note: If you are replacing a failed fan, save the LED bracket assembly for use with the new fan.

Figure 4-3. Removing SP Switch2 power and environmental LED assembly

Replacing the LED bracket assembly

1.Mount the LED bracket assembly in the fan assembly.

2.Secure the LED bracket assembly to the fan assembly side wall with the mounting screw.

3.Replace the fan assembly.

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

4.Return to the procedure that directed you here.

4-4RS/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 Related information About this bookWho should use this book Users responsibilities How to use this bookHow to send your comments Switch description and problem determination MAP Maintenance Analysis Procedures MAPsSwitch MAPs Purpose of this MAPSwitch Assembly Description SP Switch2 Switch Connection Types Standard NodeSwitch-to-Switch 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 ActionTogether Switch supervisor communications MAPGreen LED Yellow LED Indication 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 EstartPg /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 E06-S02-BH-J3 E02-S17-BH-J18E02-N05 Priority Condition ActionStep Failing Component Description Service RequestNumber 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 Format structure LocationsNaming standard for RS/6000 SP components 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 Tools and files overview Service proceduresPersonal ESD requirements 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 splstdata Most recent css.snaps ifcldumpMost recent css.snaps readregs 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 verificationRestoring an SP Switch2 to the active configuration Removing and restoring switch resourcesRemoving an SP Switch2 from 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 devicesReplacing a fan assembly SP Switch2 service proceduresRemoving 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 AIXIndustry 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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