Get Data protection: governance, risk management, and compliance PDF

By David G. Hill

Relocating clear of outdated, compartmentalized perspectives of information safety as back-up, recovery, or safety elements, this consultant information the effect of latest applied sciences, govt laws, probability administration variables, & marketplace responsibilities.

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Sample text

This impact is growing in importance. Notably, cloud computing, software-as-a-service, and storage-as-a-service take center stage in this discussion. The Time Has Come for Change 7 Chapter 19 covers a number of other considerations that have to be taken into account when performing data processing. The role of tiering in data protection, from flash computing to tape, is an important consideration. So is the impact of server and storage virtualization on data protection. Interestingly, better data protection can lead to better overall information management, such as master data management, which can yield benefits derived from the ability to use information more effectively.

Physical data protection focuses on storage devices, allowing a storage system to recover from dysfunction, failure, or destruction of one or more physical components. Logical data protection focuses on protecting the data itself: Bit patterns must retain their designated order and completeness. In other words, a user must get back exactly the data that was put in—reordered bits or missing bits will destroy the integrity of the data. That may render the data unusable: Even though the data—say, a database record or file—appears to be there, the data has for all practical purposes been lost (unless a true copy of the data is available).

A powerful use of an any-point-in-time copy capability called continuous data protection (CDP) has now become generally available. A number of other technologies, including replication technologies, virtual tape libraries, and “write-once, read-many” (WORM) technologies, are also available to aid with logical data protection. In short, tape now has a number of allies, in addition to basic point-in-time copy capability, to help with logical data protection. Many of the technologies, such as continuous data protection and virtual tape libraries, are still relatively new, so IT organizations may be either unfamiliar with the technologies or still in some stage of evaluating the technologies.

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