Patent ID: 8020047

Claim:
A method of managing storage of data comprising at least one data set, the method comprising: classifying data within a data set according to its importance in rendering the data set usable; storing the data according to the importance of the data in the data set; checking the stored data for development of a fault in the stored data; and, wherein, after a fault is detected in a data set, the data set comprises faulty data and fault-free data and the method further comprises: analysing at least some of the remaining fault-free data in the data set and reassessing its classification according to its importance in providing a usable data set from the fault-free data alone; and applying, in dependence upon the classification of the remaining fault-free data in the data set, to at least some of the remaining fault-free data in the data set at least one of: (i) increased protection and (ii) increased error correction.