摘要:
A method of controlling a non-volatile memory device comprises detecting a bad page in a first block of the non-volatile memory device, and as a consequence of detecting the bad page, copying meta data stored in valid pages of the first block and original meta data corresponding to the bad page, programming the copied meta data to a second block of the non-volatile memory device, erasing the first block, and thereafter programming user data in the first block.
摘要:
A data storage device for processing a command includes a host interface and a controller. The host interface stores program information sent within the command from a host. The controller decodes the program information that indicates a memory type to be accessed for the command. In addition, the controller determines whether the specified memory type can be accessed according to the command. The controller performs the command by accessing the memory type when the memory type specified by the program information is available for access.
摘要:
In one aspect, data is stored in a solid state memory which includes first and second memory layers. A first assessment is executed to determine whether received data is hot data or cold data. Received data which is assessed as hot data during the first assessment is stored in the first memory layer, and received data which is first assessed as cold data during the first assessment is stored in the second memory layer. Further, a second assessment is executed to determine whether the data stored in the first memory layer is hot data or cold data. Data which is then assessed as cold data during the second assessment is migrated from the first memory layer to the second memory layer.
摘要:
In one aspect, a determination is made as whether partition metadata of a solid state memory has changed, and if so, the partition metadata is analyzed to locate invalid data stored in the solid state memory. This analysis may include determining that a file system type of a partition has changed, and invalidating data in response to the changed file system type. Alternately, or in addition, the analysis may include determining that a partition has changed, and invalidating data in response to the changed partition.
摘要:
A method of managing a storage area of a memory device in a memory system is provided. A first data is received. The first data has a logical address to be written to the memory device having a plurality of memory blocks. The first data is classified into one of a hot data and a cold data based on an update frequency of the first data. A memory block is defined into a first storage area and a second storage area based on an amount of charge loss of a memory cell in the memory block. A memory cell of the first storage area has charge loss greater than a memory cell of the second storage area. The logical address of the first data is converted to a physical address of the memory device according to a result of the classifying of the first data. The first data is written to a memory cell having the physical address of the memory device.
摘要:
In one aspect, a determination is made as whether partition metadata of a solid state memory has changed, and if so, the partition metadata is analyzed to locate invalid data stored in the solid state memory. This analysis may include determining that a file system type of a partition has changed, and invalidating data in response to the changed file system type. Alternately, or in addition, the analysis may include determining that a partition has changed, and invalidating data in response to the changed partition.
摘要:
Disclosed is a multi-channel flash memory system formed by flash memories having pages divided into sectors and accessed by corresponding channels. An interface device is configured to access the flash memories via the channels by a unit of at least one sector, wherein the interface device divides an address into a plurality of addresses of sector unit and controls the divided addresses so as to be jumped by a given size.
摘要:
According to example embodiments, a nonvolatile memory system includes a nonvolatile memory device includes a nonvolatile memory cell array, a temperature sensor configured to measure a temperature of the nonvolatile memory device, and a memory controller configured to adjust an execution frequency of a memory management operation based on a desired (and/or alternatively predetermined) temperature range and the measured temperature.
摘要:
In one aspect, data is stored in a solid state memory which includes first and second memory layers. A first assessment is executed to determine whether received data is hot data or cold data. Received data which is assessed as hot data during the first assessment is stored in the first memory layer, and received data which is first assessed as cold data during the first assessment is stored in the second memory layer. Further, a second assessment is executed to determine whether the data stored in the first memory layer is hot data or cold data. Data which is then assessed as cold data during the second assessment is migrated from the first memory layer to the second memory layer.
摘要:
A data storage device for processing a command includes a host interface and a controller. The host interface stores program information sent within the command from a host. The controller decodes the program information that indicates a memory type to be accessed for the command. In addition, the controller determines whether the specified memory type can be accessed according to the command. The controller performs the command by accessing the memory type when the memory type specified by the program information is available for access.