US Patent 10365827 Spread space tracking

A processing device of a storage server that manages a plurality of physical storage devices arranged in a plurality of stripes receives a request to write data. The processing device determines a total number of available stripe units to satisfy the request, identifies one or more stripes of the plurality of stripes that collectively include at least the total number of available stripe units, allocates the one or more stripes to the request, and stores the data for the request in the available stripe units of the one or more stripes.