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Adam_a

Methods of SMR Data Management

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There are three categories SMR drives fall into, or more accurately, three types of management drive vendors can employ. Each has its own set of advantages and disadvantages. The first type is known as drive managed, also known as transparent. Simply put, the SMR drive manages all requests from the host, like a traditional HDD today. The next type of management is known as host managed. With this type of management the host uses commands and Zone information to optimize the behavior of the SMR drive by managing IOs to ensure writes are always sequential within a Zone. The final type of management is known as host aware. In a nutshell, host aware is a combination of the two types of management above.

Methods of SMR Data Management

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