18074116. STORAGE DEVICE FOR MAPPING VIRTUAL STREAMS ONTO PHYSICAL STREAMS AND METHOD THEREOF simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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STORAGE DEVICE FOR MAPPING VIRTUAL STREAMS ONTO PHYSICAL STREAMS AND METHOD THEREOF

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

HWANJIN Yong of SEOUL (KR)

JIN-SOO Kim of SEOUL (KR)

STORAGE DEVICE FOR MAPPING VIRTUAL STREAMS ONTO PHYSICAL STREAMS AND METHOD THEREOF - A simplified explanation of the abstract

This abstract first appeared for US patent application 18074116 titled 'STORAGE DEVICE FOR MAPPING VIRTUAL STREAMS ONTO PHYSICAL STREAMS AND METHOD THEREOF

Simplified Explanation

The patent application describes a storage device that includes a controller and nonvolatile memories. The controller receives write commands and discard commands, and assigns virtual stream identifiers (IDs) to the write data. The controller also determines the lifetime of the write data based on the virtual stream IDs. The nonvolatile memories are accessed by the controller using physical stream IDs. The controller maps the virtual stream IDs to the physical stream IDs based on the lifetime of the write data.

  • The storage device includes a controller and nonvolatile memories.
  • The controller receives write commands with virtual stream IDs and discard commands with virtual stream IDs.
  • The controller determines the lifetime of write data based on the virtual stream IDs.
  • The nonvolatile memories are accessed by the controller using physical stream IDs.
  • The controller maps the virtual stream IDs to the physical stream IDs based on the lifetime of the write data.

Potential Applications

  • Data storage devices
  • Solid-state drives (SSDs)
  • Cloud storage systems

Problems Solved

  • Efficient management of write data
  • Optimized access to nonvolatile memories
  • Streamlining storage operations

Benefits

  • Improved performance and efficiency in data storage
  • Enhanced lifespan of storage devices
  • Better utilization of nonvolatile memories


Original Abstract Submitted

A storage device includes a controller and nonvolatile memories. The controller receives write commands having virtual stream identifiers (IDs), receives discard commands having the virtual stream IDs, and determines a lifetime of write data to which each of the virtual stream IDs is assigned. The nonvolatile memories are accessed by the controller depending on physical stream IDs. The controller maps the virtual stream IDs and the physical stream IDs based on the lifetime of the write data.

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