Managing independent disk pools
In a high-availability environment, it is necessary that the application and its data remain consistent among the nodes that participate in high availability. An independent disk pool, also called an independent auxiliary storage pool (IASP), is a disk pool that contains objects, the directories, or libraries that contain the objects, and other object attributes such as authorization and ownership attributes. An independent disk pool can be used to help in this situation. Ownership of data and applications that are stored in an independent disk pool can be switched to other systems that are defined in the device CRG. PowerHA® technology provides high availability during planned and some unplanned outages.