HP NonStop Kernel principles

Prerequisites

• Concepts and facilities course
• One year development or system management experience on HP NonStop systems

Audience

• Programmers and software developers
• System managers and support staff
• Anyone who needs a broad overview of the HP NonStop Kernel

Ways to save

Benefits to you

• Introduction to the HP NonStop K-series and S-series server architectures
• HP NonStop Kernel overview
• Processes
• Processor environment
• Process environment
• Message system
• File systems
• Memory management
• I/O subsystem

Next Steps

• HP NonStop Kernel architecture U4178S
• Guardian API programming U4152S

Course outline

• Course introduction
• Review course and class schedule
• Nine attributes of the design
• The basics
• General definition of the HP NonStop Kernel
• Definition of a process and virtual memory
• Two views of a process and the process environment
• Demands that forward compatibility places on the operating system
• Principle differences between the RISC and CISC architectures as those differences pertain to the HP NonStop Kernel
• The processing environments
• Possible process execution environments
• Process components associated with each environment
• Lab exercise (2.5 hours)
• Investigate the local system and the network
• TNS and TNS/R process issues
• The processor states
• Five possible states of a processor
• How the operating system handles interrupts
• Basic function of principle structures and registers associated with interrupts
• Rules for process execution
• What happens when the processor is reloaded, the system is loaded, or a power fail occurs
• Application programming interfaces (APIs)
• The Guardian APIs and their function in relation to the HP NonStop Kernel
• The OSS APIs and their function in relation to the HP NonStop Kernel
• The transaction processing and HP NonStop SQL/MP APIs and their function in relation to the HP NonStop Kernel
• Lab exercise (3 hours)
• Observe a looping process
• Explore the OSS file system
• The message system
• Link-listener (sender-receiver) model of process communication
• How two processes communicate when both are in the same processor
• How two processes communicate when each is in a different processor
• How interprocess communication differs from the HP NonStop K-series to the HP NonStop S-series servers
• Process control
• The six common process states
• The process scheduling algorithm
• Process creation, scheduling, and termination for Guardian and OSS processes
• Displaying and explaining user process wait states
• Lab exercise (1.5 hours)
• FIXUP, library, and process creation
• Memory management
• The HP NonStop server 16-bit and 32-bit addressing schemes
• Basic organization of virtual storage and real storage on a HP NonStop server
• Two mapping schemes used to translate from a location in virtual storage to real storage
• Swapping: why it is needed and the primary components that implement it
• I/O subsystem
• How I/O is handled in the HP NonStop K-series server
• How I/O is handled in the HP NonStop S-series server
• Interactions involved in the open of an IOP by a process
• Major hardware components that make up the I/O system
• Software structures that make up the I/O system
• Lab exercise (2 hours)
• Observe stack operations
• Use Peripheral Utilities Program (PUP) to understand the physical configuration (HP NonStop K-series servers)
• Comprehensive course review (45 minutes)