Logical partition concept: tagged resource

 

A tagged resource is an IOP that you select because it controls a device that performs a specific function for a logical partition.

The devices that perform the essential functions are the alternate IPL device, partition console, Electronic Customer Support IOP, and load source resource.

Alternate IPL device

The media in the alternate IPL device is what the system uses to start from when you perform a D-source IPL. The device can be a tape drive or an optical device. The alternate IPL device loads the Licensed Internal Code contained on the removable media instead of the code on the load source.

Partition console

When using Operations Console, the console and ECS IOP should be the same. The console is the first workstation that the system activates in the partition. The system assumes that this console will always be available for use.

Electronic Customer Support IOP

The Electronic Customer Support IOP is a communications IOP you can select to support Electronic Customer Support on a system or secondary partition. Electronic Customer Support is the part of the operating system that allows you to access the following:

• Question-and-answer (Q and A) function.

• Problem analysis, reporting, and management.

• Fixes (or Program temporary fixes, PTFs).

• IBM product information.

• Technical information exchange.

Load source resource

Each logical partition must have one disk unit designated as the load source. The load source resource is the IOP with the load source. The load source contains the Licensed Internal Code and the configuration data for the logical partitions. The system uses the load source to start the logical partition. The system always identifies this disk unit as unit number 1.

 

Parent topic:

Logical partition concept: IOP

Related concepts
Logical partition concept: Removable media device and alternate restart (IPL) devices Logical partition concept: Load source Logical partition concept: Console