https://www.ibm.com/docs/en/ims/15.1.0?topic=drdmc-migrating-non-drd-enabled-ims-system-drd-imsrsc-repository
IMS 15 - Release planning - Migrating a non-DRD-enabled IMS system to DRD and the IMSRSC repository
To enable dynamic resource definition (DRD) with the IMSRSC repository, which is the recommended option for storing dynamically defined resources, you need to...
https://www.ibm.com/docs/en/ims/15.2.0?topic=recovery-backing-up-imsrsc-repository
IMS 15.2 - Operations and automation - Backing up the IMSRSC repository
Consider backing up the IMSRSC repository data sets, so that the IMSRSC repository can be restored.
backing upimsoperations
https://www.ibm.com/docs/en/ims/15.3.0?topic=repository-creating-msc-resource-definitions-in-imsrsc
IMS 15.3 - System definition - Creating MSC resource definitions in the IMSRSC repository
You can create MSC resource definitions in the IMSRSC repository for one or more new or existing IMS systems in your IMSplex by using the IMS type-2 CREATE...
https://www.ibm.com/docs/en/ims/15.3.0?topic=mcsr-recovery-during-imsrsc-repository-data-set-update-process
IMS 15.2 - Operations and automation - Recovery during the IMSRSC repository data set update process
The Repository Server (RS) uses a duplex pair of data sets for each IMSRSC repository, so that the RS can always recover data sets to the last completed and...
https://www.ibm.com/docs/en/ims/15.6.0?topic=applications-dynamic-resource-definition-sample-application-imsrsc-repository
IMS 15.6 - Installation - Dynamic resource definition sample application with the IMSRSC repository
The dynamic resource definition (DRD) sample application demonstrates how to set up and operate DRD with the IMSRSC repository.
https://www.ibm.com/docs/en/ims/15.3.0?topic=sets-allocating-imsrsc-repository-data
IMS 15.3 - System definition - Allocating the IMSRSC repository data sets
After the Repository Server (RS) address space is started, and before the Resource Manager (RM) is started with the IMSRSC repository enabled, the IMSRSC...
imssystemdefinition