A dbspace is a logical database that consists of one or more chunks. Dbspaces can exist across multiple disks. Asystem contains the following dbspaces:

A chunk is a unit of disk space used to store database data that IDS manages. For, each dbspace contains one chunk. The size of each chunk depends on the data requirement specification of. The following figure shows an example of chunk sizing. IDS requires the,, anddbspaces, but these databases store minimal data. Dbspaceis larger and is used for temporary data space. Dbspaceis the location that stores alldata and it contains the largest chunk of data.