Pure Storage, Inc.
Overlapping RAID groups

Abstract:

A method for writing to a storage memory is provided. The method includes determining erase block size for each of a plurality of erase blocks of the storage memory, wherein at least two of the plurality of erase blocks have differing erase block sizes. The method includes forming a plurality of data segments and writing the plurality of data segments across the plurality of erase blocks of the storage memory, with at least one of the plurality of erase blocks storing portions of two or more of the plurality of data segments.