Explain the concept of an independent Auxiliary storage pool (iASP) in AS400. What command do we use to access the specific ASP and its objects? What are the advantages of using ASP on IBM i systems? How do I create and manage ASP on the AS400 machine?
ASP is an auxiliary storage pool. It is one or more physical disk units that are connected to the same storage region.
ASP is available on IBM I servers, and several disk storage units are grouped to form an ASP. ASP is a collection of internal storage area networks (SAN) and other types of accessed disks on IBM i. There are different types of ASP storage, ranging from 1 to 255.
System ASP (ASP 1): It is automatically created for an IBM i system, which means it is a default ASP. This consists of disk storage unit 1 and other unassigned system ASP containing OS objects, licensed programs, etc.
Basic ASP (ASP 2 through ASP 32): We can create a basic ASP by combining a set of storage units and assigning that group to an unused ASP number. This ASP is assigned to only one IBM i server.
Independent ASP (ASP 33 through ASP 255): This ASP is available to be used by local and remote IBM i servers. They were created for multiple purposes, such as database segregation, uninterrupted business, etc. It is possible to switch this ASP between IBM i servers.