Patent ID: 9256526
Filing Date: 2016-02-09
CPC Classification: G06F

Claim Text:
1. A data writing method in a storage system including a storage media controller and a non-volatile memory which is not divided into a plurality of segments respectively corresponding to the plurality of data reliability levels, wherein the storage media controller comprises a central control unit, a memory unit, and a media control unit, the method comprising: receiving a data by the storage media controller; reading a non-volatile memory operation mode table comprising at least two modes, a first mode corresponding to a data reliability requirement of the storage system and a second mode corresponding to a second data reliability lower than the data reliability requirement of the storage system, in the memory unit by the central control unit and a data reliability reduction condition table comprising at least one condition in the memory unit by the central control unit; determining whether a system information relating to the data meets one of the at least one condition in the data reliability reduction condition table by the central control unit; and controlling the media control unit to select an address meeting a wear-out limit of at least the second mode of the at least two modes in the non-volatile memory and write the data into the address of the non-volatile memory according to the second mode by the central control unit when the system information meets the condition.