Adding a spare WADS

The write-ahead data set (WADS) contains log records that reflect completed operations and are not yet written to an online log data set.

Procedure

  1. Allocate a spare WADS.
  2. Update WADSDEF specification in the LOGGER section of the DFSDFxxx member of IMS.PROCLIB
  3. Define DFSMDA member.
  4. Add DD statement in IMS JCL, if necessary.
  5. Modify operating procedures.
  6. /START WADSn (or wait until IMS restart).