Patent ID: 9323661
Filing Date: 2016-04-26
CPC Classification: G06F

Claim Text:
1. A memory system comprising: a first storage unit having first and second parallel operation elements and non-volatile data recording areas divided into a plurality of logical pages including first and second logical pages, each logical page including a plurality of the recording areas; a second storage unit capable of temporarily storing data before the data is stored in the non-volatile data recording areas of the first storage unit; and a control unit configured to perform data transfer between the first storage unit and the second storage unit in units of logical pages, generate log information for the recording areas of each logical page for which data transfer is being performed, and control the first parallel operation element to write the log information generated for the recording areas of the first logical page into a log information recording area of the first logical page and the second parallel operation element to write the log information generated for the recording areas of the second logical page into a log information recording area of the second logical page, wherein the first logical page includes a first recording area for which write processing is carried out by the first parallel operation element and a second recording area for which write processing is carried out by the second parallel operation element, and the second logical page includes a third recording area for which write processing is carried out by the first parallel operation element and a fourth recording area for which write processing is carried out by the second parallel operation element.