
Chapter 13. Databases 421
13.3.5 MIDAWs
MIDAWs, as described in 10.7.1, “MIDAWs” on page 368, helps improve performance when
accessing large chains of small blocks of data. In order to get this benefit the dataset must be
accessed by Media Manager. The bigger benefit is realized for the following datasets:
Extended Format (EF) datasets
Has small block sizes (4K)
Examples of DB2 applications that will benefit from MIDAWs are DB2 prefetch and DB2
utilities.
13.3.6 Monitoring the DS6000 performance
RMF can be used to monitor the performance of the DS6000. For a detailed discussion, see
10.9, “DS6000 performance monitoring tools” on page 371.
13.4 ...