General problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

A cover lock is broken, an LED

If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by a

is not working, or a similar

trained service technician.

problem has occurred.

 

 

 

Hard disk drive problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

Not all drives are recognized by

Remove the drive indicated on the diagnostic tests; then, run the hard disk drive

the hard disk drive diagnostic

diagnostic test again. If the remaining drives are recognized, replace the drive that

test (the Fixed Disk test).

you removed with a new one.

 

 

The server stops responding

Remove the hard disk drive that was being tested when the server stopped

during the hard disk drive

responding, and run the diagnostic test again. If the hard disk drive diagnostic test

diagnostic test.

runs successfully, replace the drive that you removed with a new one.

 

 

A hard disk drive was not

Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic

detected while the operating

tests again.

system was being started.

 

 

 

A hard disk drive passes the

Run the diagnostic SCSI Attached Disk Test.

diagnostic Fixed Disk Test but

Note: Use the SCSI Attached Disk test for drives that are part of RAID arrays. Use

the problem remains.

the Fixed Disk Test for SATA drives that are not part of RAID arrays.

 

 

38IBM System x3250 Types 4364 and 4365: Installation Guide

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IBM 4365, 4364 manual General problems, Hard disk drive problems

4364, 4365 specifications

The IBM 4365 and 4364 are significant models in IBM’s lineup of mainframe computers, designed primarily for large organizations requiring robust processing capabilities. These models emerged during the late 1980s and early 1990s, serving to enhance the performance and versatility of business computing environments.

The IBM 4365, launched in 1985, is known for its sophisticated architecture and large processing power, capable of managing substantial transaction volumes. It features the advanced Multiple Virtual Storage (MVS) operating system, which allows for efficient processing and management of numerous tasks simultaneously. The MVS system contributes to high reliability and availability, factors paramount for businesses that rely on uninterrupted service.

One of the standout characteristics of the IBM 4365 is its ability to scale. Users could configure the system with multiple processors, allowing it to handle increasing workloads effectively. This scalability is made possible through its use of IBM's proprietary technology, which optimizes resource allocation to improve efficiency. The system could support an impressive number of users, making it ideal for large enterprises.

In contrast, the IBM 4364, released slightly later, is a more modest version aimed at smaller organizations but still renowned for its reliable performance. It too operates the MVS operating system, but its configurations are tailored for less intensive processing needs. It is designed with cost-effectiveness in mind, making it suitable for businesses that require robust computing without the extensive capabilities of larger systems.

Both models benefit from IBM's robust security features, ensuring data protection and compliance with industry standards. Additionally, they offer significant storage options, utilizing IBM's innovative storage technologies to retain vast amounts of data efficiently.

Among the key technologies that defined these mainframes were the use of advanced input/output capabilities and compatibility with a broad range of peripheral devices. This integration allowed organizations to enhance productivity while maintaining seamless operations across various applications.

Overall, the IBM 4365 and 4364 exemplify the evolution of mainframe technology during their era, offering remarkable processing power, superior reliability, and scalability while paving the way for future innovations in enterprise computing. Their legacy remains influential in shaping the landscape of business technology today, as organizations continue to rely on mainframe processing for critical operations.