Method and apparatus for retroactive adaptation of data location

A method of managing movement of data in a non-volatile storage device between a first type of non-volatile memory in the memory device and a second type of non-volatile memory in the storage device, the method comprising:

• initially storing each group of data received from a host in the first type of non-volatile memory as each group of data is received at the storage device;
• periodically determining a data usage status of each group of data received in the first type of non-volatile memory in the storage device;
• comparing the determined data usage status to a data usage criterion;
• if the data usage status of a particular group of data satisfies the usage criteria, transferring the particular group of data from the first type of non-volatile memory in the storage device to the second type of non-volatile memory in the storage device, wherein the first type of non-volatile memory comprises a higher endurance memory than the second type of non-volatile memory.

A method of managing movement of data in a non-volatile storage device between a first type of non-volatile memory in the memory device and a second type of non-volatile memory in the storage device, the method comprising:

• initially storing each group of data received from a host in the second type of non-volatile memory as each group of data is received at the storage device;
• periodically determining a data usage status of each group of data in the second type of non-volatile memory in the storage device;
• comparing the determined data usage status to a data usage criteria;
• transferring a particular group of data from the second type of non-volatile memory in the storage device to the first type of non-volatile memory in the storage device when the data usage status satisfies the usage criteria, wherein the first type of non-volatile memory comprises a lower storage density capacity than the second type of non-volatile memory.

An non-volatile storage device for managing movement of data between different types of non-volatile memory in the non-volatile storage device comprising:

• a first type of non-volatile memory;
• a second type of non-volatile memory, the second type of non-volatile memory comprising a lower endurance memory than the first type of non-volatile memory;
• and
• a controller in communication with the first and second types of non-volatile memory, the controller configured to:
• periodically determine a data usage status of a group of data in the first type of non-volatile memory;
• compare the determined data usage status to a data usage criterion;
• and
• transfer the group of data from the first type of non-volatile memory to the second type of non-volatile memory when the data usage status satisfies the data usage criterion.