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The term "copy data" refers to the idea that enterprises and other parties are generating duplicate sets of data, including files, documents and folders, in different kinds of IT structures. Related to the issue of redundant and isolated data, the problem of copy data underscores the need for businesses to have efficient IT systems.
IT experts liken copy data to the idea of closed silos. Silos are situations where information is walled off or isolated from the main IT architecture. In systems such as disaster recovery processes, testing processes, backup and central data warehouses, information can get duplicated and stored separately, which results in confusion about how to handle multiple versions of the same information.
Dealing with copy data requires looking at the IT architecture from a bird's-eye perspective. It means understanding whether information is getting duplicated for business purposes somewhere in the system and whether multiple replicated files are getting updated together. Copy data can be an efficiency issue, but it can also be a consistency issue within a greater IT system.