Storage method for redundancy deletion block device based on location-sensitive hash

The invention discloses a storage method for a redundancy deletion block device based on location-sensitive hash, and belongs to the data storage field. The method comprises the following steps: putting data blocks of redundant writing detection operation and a corresponding digital finger print into the current operating queue; D: judging whether the number of the data blocks in the queue exceeds threshold value or not, if so, taking threshold value of data blocks as a data section, and executing the step F, and otherwise, executing the step E; E: judging whether the data block at the front of the queue is overtime or not, if so, taking the data blocks as the data section, and executing the step F, and otherwise, executing the step D; F: judging whether the set of metadata of similar data sections exists or not, if so, executing the step G, and otherwise, establishing an empty set, and executing the step G; and G: orderly judging whether digital finger prints of data blocks exist in the set of metadata of the similar data sections or not, if so, modifying the memory addresses of the data blocks, and otherwise, generating the metadata of the data blocks. The method reduces the time of accessing the metadata in the redundant writing detection operation process.