Independent disk pools are used to set up user databases on the iSeries™ server.
There are three types of independent disk pools: primary, secondary, and user-defined file system (UDFS). Databases are set up using primary independent disk pools.
With iSeries servers, you can work with multiple databases. The iSeries server provides a system database (often referred to as SYSBAS) and the ability to work with one or more user databases. User databases are implemented on the iSeries server through the use of independent disk pools, which are set up in the Disk Management function of iSeries Navigator. Once an independent disk pool is set up, it appears as another database under the Databases function of iSeries Navigator.