Storage controlling apparatus, storage apparatus, information processing system and processing method

A storage apparatus, comprising:

• a memory array;
• a verification section configured to execute verification after writing into the memory array;
• a verification time number counter configured to count a number of times of execution of the verification;
• a status acquisition section configured to acquire status including the number of times of execution of the verification;
• a history information retention section configured to retain a history of the status as history information in an associated relationship with each of the predetermined regions of the memory array;
• and
• a region selection section configured to select a region which satisfies a condition in accordance with the history information when a new region is to be used in the memory array.

An information processing system, comprising:

• a memory array;
• a verification section configured to execute verification after writing into the memory array;
• a verification time number counter configured to count a number of times of execution of the verification;
• a status acquisition section configured to acquire status including the number of times of execution of the verification;
• a history information retention section configured to retain a history of the status as history information in an associated relationship with each of the predetermined regions of the memory array;
• a region selection section configured to select a region which satisfies a condition in accordance with the history information when a new region is to be used in the memory array;
• and
• a host computer configured to issue a write command to the memory array.

A storage controlling method, comprising:

• acquiring status including a number of times of execution of verification after writing into a memory from the memory;
• retaining a history of the status as history information into a history information retention section in an associated relationship with each of predetermined regions of the memory;
• and
• selecting a region which satisfies a condition in accordance with the history information when a new region is to be used in the memory.