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DBD changes during reorganization

You can change HDAM randomizer DBD parameters during an Online Reorg function reorganization by specifying the OLDDBD keyword in the reorganization job.

When you change DBD values, you are responsible for ensuring that the new values are valid.

If you need to change other DBD parameters, use the Reorg function to reorganize the database. The Reorg function allows you to change certain DBD parameters when you use the OLDDBD keyword. For more information, see OLDDBD.

Related topic

Online-Reorg-function

You cannot change the physical characteristics of the database (BLKSIZE or CISIZE) during the reorganization.

Be careful when using the OLDDBD and SWAP(YES) keywords during an Online Reorg function reorganization; changing the DBD will affect your IMS online systems. The effect depends on whether you have the BMC AMI Change Manager for IMS TM product installed.

You can add or change pervasive encryption during reorganization using:

  • SMS-based encryption key changes based on SMS data class, or,
  • RACF-based encryption key changes based on data key

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BMC AMI Online Reorg for IMS 5.1