Switch Description and Problem Determination (MAP 0590)

Table 1-1. Switch Problem Diagnostics (continued)

Priority

Message or condition

Action

 

 

 

2

Environmental problems

Go to ªSwitch environment (MAP 0600)º on

(2 of 4)

v Control workstation errpt file reports a switch

page 1-9.

failure, shutdown, or warning message

 

 

associated with a fan, power supply, or

 

 

temperature indicator

 

 

v Perspectives switch environmental indicator is

 

 

yellow and a fan or power supply indicator is red

 

 

v Perspectives switch environmental indicator is

 

 

either yellow or red and the temperature

 

 

indicator is either yellow or red

 

 

v Yellow switch supervisor LED is on or flashing

 

3

Power problem

Go to ªSwitch power (MAP 0610)º on

(3 of 4)

v Green switch supervisor LED is off or flashing

page 1-13.

v Perspectives switch power indicator is red

 

 

v Switch has no power

 

 

v All voltages at zero

 

4

Switch function problem

Go to ªSwitch function (MAP 0620)º on

(4 of 4)

v Error in /var/adm/SPlogs/css0/p0/out.top (see

page 1-17.

note)

 

 

v Problem with switch_responds

 

 

v Problem returned from errpt -a-N Worm or

 

 

errpt -a-N css0 (issued on the primary node)

 

 

v Problem detected by CE/customer.

 

Notes:

1. out.top is located on the primary node. To find the primary node, issue: Eprimary

2. Verify that the file has a valid (recent) time stamp using: ls -l

Switch supervisor communications (MAP 0595)

Notes:

1.Refer to ªService position proceduresº on page 3-10 for procedures used to place the switch into the service position or for removing it from the service position.

2.Refer to Table 1-2for descriptions of the SP Switch2 supervisor LED indications.

Table 1-2. SP Switch2 supervisor LED indications

Green LED

Yellow LED

Indication

 

 

 

On

Off

Normal switch operation

 

 

 

Flashing

Off

Logically powered off (48 V available)

 

 

 

Off

Off

Physically powered off (48 V circuit breaker off)

 

 

 

On

On

Non-critical power or environmental problem

 

 

 

 

 

Critical power or environmental problem

On, Off, or Flashing

Flashing

Note: For this indication, the green and yellow LEDs are flashing

 

 

together.

 

 

 

Off

On

Supervisor communications or base code problem

 

 

 

1-6RS/6000 SP: SP Switch2 Service Guide

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Image 24
IBM RS/6000 SP manual Switch supervisor communications MAP, Green LED Yellow LED Indication, Together
Page 23 Page 25

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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