HCD

Key Characteristics

• • Graphical configuration management
  • Validation of configuration definitions
  • Dynamic reconfiguration support
  • Import/export capabilities
  • Version control for configurations
• Configuration Objects:
  • Processors: CPUs and specialty engines
  • Channels: I/O communication paths
  • Control Units: Device controllers
  • Devices: DASD, tape, network adapters
  • Logical Partitions: LPAR definitions
• HCD Processes:
  • Define I/O configuration
  • Validate configuration
  • Activate dynamic changes
  • Generate IOCDS (I/O Configuration Dataset)
  • Produce IODF (I/O Definition File)
• IODF (I/O Definition File):
  • Central repository for I/O definitions
  • Shared across multiple systems
  • Version tracking and history
  • Production and test configurations

Use Cases

• • Adding new storage devices
  • Configuring network adapters
  • Managing LPAR definitions
  • Planning capacity expansions
  • Disaster recovery configuration

Related Concepts