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The Object Access Method (OAM) component of MVS/Data Facility Product is responsible for the storage, retrieval, and management of objects in IBM MVS/ESA™ ImagePlus™ systems and in other applications. The OAM Storage Management Component is the subcomponent of OAM that provides storage management for objects stored within an object storage hierarchy. Storage management is a cyclic procedure which assures that data are stored in conformity to a policy defined by the data processing storage administrator. During a storage management cycle, the OAM Storage Management Component (OSMC) selects objects for processing based on requirements for backup, expiration, or service level changes. This paper describes the concepts of object storage management using a storage hierarchy that contains DASD and optical disk storage.
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