5.1. Dynamic logical partitioning overview

DLPAR, or dynamic logical partitioning, supports the following dynamic resource change in a partition without requiring a partition reboot:

  • Resource addition

  • Resource removal

By achieving the resource changes sequentially in the following order on two partitions in a system, the specified resource can be moved from a partition to another partition:

  1. Resource removal from a partition

  2. Resource addition to another partition

This resource movement is implemented as single task on the IBM Hardware Management Console for pSeries (hereafter referred to as HMC), although it is actually composed of two separate tasks on two partitions internally.

A resource is either of the following types:

  • CPU

    The granularity of ...

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