IMPDSSIZE in macro DSN6SYSP

Specifies the default maximum data set size (DSSIZE) in gigabytes, for implicitly created table spaces for base tables.

Acceptable values: 1, 2, 4, 8, 16, 32, 64, 128, 256
Default:
  • 64 for SAP, otherwise 4
DSNZPxxx: DSN6SYSP IMPDSSIZE
Security parameter: No
1, 2, 4, 8, 16, 32, 64, 128, 256
Maximum data set size (DSSIZE) in gigabytes that Db2 uses for creating implicit base table spaces.

If you specify an SAP-specific input member (for example, DSNTIDXB) during installation or migration, the DSNTIJUZ job that is generated by the Db2 CLIST specifies IMPDSSIZE=64.