Invention Grant
US08533406B2 Apparatus, system, and method for identifying data that is no longer in use 有权
用于识别不再使用的数据的装置,系统和方法

Apparatus, system, and method for identifying data that is no longer in use
Abstract:
An apparatus, system, and method are disclosed for managing a non-volatile storage medium. A storage controller receives a message that identifies data that no longer needs to be retained on the non-volatile storage medium. The data may be identified using a logical identifier. The message may comprise a hint, directive, or other indication that the data has been erased and/or deleted. In response to the message, the storage controller records an indication that the contents of a physical storage location and/or physical address associated with the logical identifier do not need to be preserved on the non-volatile storage medium.
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