Backup is an essential part of an organization’s overall data management strategy. It is clear that the ability to store and access data is not sufficient, and that maintaining consistent copies of data over time and being able to access it at any time, is important. This accessibility allows the retrieval to the state of data at an earlier point in time or allows restoration due to data loss within the primary storage layer. The 3-2-1 rule is a widely adopted strategy for data management, which recommends the maintenance of 3 copies of your data, 2 copies on different media and 1 off-site immutable copy. The focus of this brief is backup storage solutions.
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