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Key requirements

This topic describes system and processing requirements.

System requirements

The following system requirements apply to Fast Path Online Restructure/EP:

  • IBM z/OS operating system Version 1.10 or later

  • All IBM supported releases of IMS

  • APF authorization for the Fast Path Online Restructure/EP load library

Processing requirements

The following processing requirements apply to Fast Path Online Restructure/EP:

  • Database Recovery Control (DBRC) registration is required for the database to be restructured.

  • Additional DASD is required for the primary shadow area data sets.

  • A short online outage is required for the restructured database.

  • IFP utility and HSSP processing are limited during restructure processing.

  • The following requirements apply for IMSPLEX processing:

    • Use the same ACBLIB data set names for the IMS systems in the IMSPLEX.

    • Use the same active ACBLIB data set names (ACBLIBA/ACBLIBB) for the IMS systems in the IMSPLEX.

    • BMC recommends that you use //OLCSTAT DD for all IMS systems. This action automatically forces the same active ACBLIB usage.


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