IBM 5695-DF1 manual Appendix B. Test Cases for DB2 Recovery Data Sets, Bsds and Active Logs, 185

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Appendix B. Test Cases for DB2 Recovery Data Sets

This appendix shows a selection of test cases generated during the writing of this publication for the definition of DB2 recovery data sets. The following tests are documented:

1.Allocation of BSDS and active logs using SMS.

2.Allocation of archive logs using SMS.

3.Allocation of image copies using SMS.

All tests were performed under laboratory conditions, and are presented as examples of the options and methodology used to achieve the end results.

B.1 BSDS and Active Logs

This test case illustrates the allocation of the BSDS and active logs, and is based on the following assumptions:

There are three DB2 subsystems: DB2D, DB2T, and DB2P.

The naming standard for the data sets is shown in 3.6.1, “Bootstrap Data Sets” on page 17 and in 3.6.2, “Active Logs” on page 18, using the subsystem identifier as high level qualifier.

Storage Class, Management Class and Storage Group constructs are created with the criteria as defined in 7.1, “SMS Examples for DB2 Recovery Data Sets” on page 63.

The logs and the BSDSs for the DB2P system are allocated on SMS Storage Group SGDB2PLG. For DB2D and DB2T they are allocated on SGDBACTL.

The DB2P subsystem needs the allocation shown in Figure 39 on page 115.

The DB2D and DB2T subsystems have little performance and availability requirements. All their data sets will be allocated on one volume.

B.1.1 SMS Storage Class

Storage Class SCDBACTL was defined for all BSDSs and active log data sets of the three subsystems.

Once allocated, these data sets are rarely redefined, and they require high performance and availability, so GUARANTEED SPACE is employed to position them on specific disk volumes. Figure 118 on page 186 shows panel two of ISMF option 5.3, to display this feature.

Figure 119 on page 186 shows an extract of the Storage Class ACS routine used to assign the BSDS and active log data sets.

© Copyright IBM Corp. 1999

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IBM 5695-DF1, 5655-DB2 Appendix B. Test Cases for DB2 Recovery Data Sets, Bsds and Active Logs, SMS Storage Class, 185

5695-DF1, 5655-DB2 specifications

IBM 5655-DB2 and 5695-DF1 are significant components within the IBM software ecosystem, predominantly focusing on data management and integration solutions. These offerings cater primarily to enterprise environments that require robust database management systems and associated frameworks to maintain and manipulate data efficiently.

IBM 5655-DB2 is a well-known relational database management system (RDBMS) that excels in managing large volumes of structured data. Its architecture is designed to support high availability, scalability, and performance, crucial for businesses operating in today’s data-driven world. Some of its main features include advanced indexing capabilities, support for complex queries, and dynamic workload management. Additionally, it provides strong concurrency controls, which enable multiple users to access and manipulate data simultaneously without compromising data integrity.

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