Pure Storage, Inc.
USING DATA CHARACTERISTICS TO OPTIMIZE GROUPING OF SIMILAR DATA FOR GARBAGE COLLECTION

Abstract:

A plurality of characteristics associated with a plurality of erase blocks are received from two or more of a plurality of storage devices. A garbage collection process is performed by grouping valid data from the plurality of erase blocks based on a similarity of the plurality of characteristics between the valid data and storing the grouped valid data at another erase block at the plurality of storage devices.