Invention Grant
- Patent Title: Garbage collection command scheduling
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Application No.: US15962993Application Date: 2018-04-25
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Publication No.: US11593262B1Publication Date: 2023-02-28
- Inventor: Jonathan Henze , Michael Scott Hicken
- Applicant: Seagate Technology LLC
- Applicant Address: US CA Cupertino
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Cupertino
- Agent Christian W. Best
- Main IPC: G06F12/02
- IPC: G06F12/02 ; G06F3/06 ; G06F16/17

Abstract:
Systems and methods are disclosed for the intelligent scheduling of garbage collection operations on a solid state memory. In certain embodiments, a method may comprise initiating a garbage collection process for a solid state memory (SSM) having a multiple die architecture, determining an order of die access for the garbage collection process based on an activity table indicating a use of one or more die in the multiple die architecture, and performing the garbage collection process based on the determined order of die access. Garbage collection reads may be directed to idle die to avoid conflicts with die busy performing other operations, thereby improving system performance.
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