Source description
About the role
- IMS for z/OS - Strong knowledge of IMS Database Manager, DBD source and generation, understanding of Database Recovery Control [DBRC] information and commands, BMP and basic DL/I coding imbedded in COBOL source. - Familiarity with IMS Transaction Manager, including basic control region and message region processing, PSB coding and generation, and ACB, MODBLKS, and FORMAT generation. FORMAT coding is a plus, but not required. A basic knowledge of Control Region commands for monitoring Sub-systems, Regions, Databases, and Transaction Queues is required. - Strong working knowledge of HALDB partitioning schemes and underlying structures. Ability to backup and restore and maintain partitions. - Familiarity with IMS Utility JCL, execution, restart, commands for Database allocation changes, and IMS Database backup and recovery techniques. - Responsible for the administration, maintenance, performance, and availability of IMS databases in a mainframe workplace. - Manage and maintain IMS Full Function and Fast Path databases - Create and modify DBD (Database Description) and PSB (Program Specification Block) - Perform Backup & Recovery Management - Plan and execute database reorganization activities - Monitor IMS performance metrics (I/O, buffer pools, response time) - Expertise in IMS utilities: DFSUDMP0 (Dump),DFSUCUM0 (Change Utility) & Image copy utilities .
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