Adaptive usage of irregular code schemas based on specific system level triggers and policies

摘要

A data storage system performs operations including receiving a data write command specifying data to be written; selecting an irregular LDPC encoding scheme of a plurality of available irregular LDPC encoding schemes available to the encoder in accordance with (i) a working mode of the data storage system, (ii) device-specific criteria and/or (iii) a data type of the specified data; and encoding the specified data to be written using the selected irregular LDPC encoding scheme.