Resource management under VM2000

VM2000 manages the following resources:

CPU management

These management tasks comprise the following:

• Management and reconfiguration of the real CPUs (which are available for VM2000 operation) and of the VMs' virtual CPUs

• Management of the CPU pools

• Planning and controlling the distribution of CPU capacity to the VMs

• Assigning CPUs to a VM (scheduling, SU /390)

Reconfiguration of channels, control units and paths

• Reconfiguring Channels, controllers and paths (SU /390)

Management and reconfiguration of the storage media

Memory management of VM2000 includes:

• Managing main memory

• Reconfiguring main memory

Peripheral device management

The following are given particular consideration in peripheral device management:

• Assigning and removing devices of a VM

• Assigning and removing pubsets of a VM

• Special devices

• Shared disk devices

• Parallel access volume (PAV, SU /390)

• Using the Highspeed Net Connect HNC (SU /390)

• Dynamic I/O configuration modification