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    Controlling SSD performance by the number of active memory dies
    1.
    发明授权
    Controlling SSD performance by the number of active memory dies 有权

    公开(公告)号：US11614865B2

    公开(公告)日：2023-03-28

    申请号：US17724053

    申请日：2022-04-19

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Shuhei Tanakamaru ,  Dana Lynn Simonson ,  Erich Franz Haratsch

    IPC: G06F3/06 ,  G06F9/48

    Abstract: Improving performance in solid state devices (SSDs) by controlling or throttling the depth of the request queue. In one implementation, a method includes monitoring a request queue in a solid state device (an SSD), the request queue comprising a first request and a second request having an actual time interval therebetween, determining a number of active memory dies of the SSD, determining a target interval based on the number of active memory dies and a target number of active memory dies, and responsive to the actual time interval being less than the target interval, delaying acting on the second request until after the target interval.

    Rapid SSD preconditioning
    2.
    发明授权
    Rapid SSD preconditioning 有权

    公开(公告)号：US10997068B1

    公开(公告)日：2021-05-04

    申请号：US16789026

    申请日：2020-02-12

    Applicant: Seagate Technology LLC

    Inventor： David Scott Ebsen ,  Dana Lynn Simonson

    IPC: G06F12/02 ,  G11C16/04

    Abstract: Methods, apparatuses, and computer-readable media for providing extremely rapid preconditioning of an SSD. Upon receiving a precondition command from a host operably connected to the SSD to precondition a range of LBAs of the storage media, a plurality of physical units of the storage media to be preconditioned are determined based on the range of LBAs. A workload pattern is determined from the precondition command, and upon determining that the workload pattern indicates a random pattern, a valid page count for each of the plurality of physical units is computed based on a random distribution. Forward mapping table entries of a forward mapping table associated with the storage media corresponding to the range of LBAs is then populated with random physical addresses from the plurality of physical units based at least on the computed valid page count for each of the plurality of physical units.

    Controlling SSD performance by queue depth
    6.
    发明授权
    Controlling SSD performance by queue depth 有权

    公开(公告)号：US11307806B2

    公开(公告)日：2022-04-19

    申请号：US16936348

    申请日：2020-07-22

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Shuhei Tanakamaru ,  Ryan James Goss ,  Dana Lynn Simonson ,  Erich Franz Haratsch

    IPC: G06F3/06

    Abstract: Improving performance in solid state devices (SSDs) by controlling or throttling the depth of the request queue. In one implementation, a method includes monitoring a request queue in a solid state device (an SSD), the request queue comprising a first request and a second request having an actual time interval therebetween, determining a queue depth for the request queue, determining a target interval based on the queue depth and a target queue depth, and responsive to the actual time interval being less than the target interval, delaying acting on the second request until after the target interval.

    MEMORY ACCESS OPERATION SUSPEND/RESUME
    8.
    发明申请
    MEMORY ACCESS OPERATION SUSPEND/RESUME 审中-公开

    公开(公告)号：US20190354498A1

    公开(公告)日：2019-11-21

    申请号：US15982210

    申请日：2018-05-17

    Applicant: Seagate Technology LLC

    Inventor： David Scott Ebsen ,  Dana Lynn Simonson ,  AbdelHakim Alhussien ,  Erich Franz Haratsch ,  Steven Howe

    IPC: G06F13/26 ,  G06F9/48 ,  G06F13/16

    Abstract: A memory controller manages memory access operations through a flash memory interface of a memory array of a solid-state storage device connected to a host. The memory controller executes a first memory access operation in the memory array. The first memory access operation has a first priority. The memory controller detects a suspending memory access operation available for execution in the memory array and having a higher priority than the first priority. The detection operation distinguishes between suspending memory access operations and non-suspending memory access operations. The memory controller suspends execution of the first memory access operation in the memory array and executes one or more memory access operations having higher priorities than the first priority and being available for execution in the memory array. The memory controller resumes the execution of the first memory access operation in the memory array.

    Controlling SSD performance by the number of active memory dies
    9.
    发明授权
    Controlling SSD performance by the number of active memory dies 有权

    公开(公告)号：US11347394B2

    公开(公告)日：2022-05-31

    申请号：US16983992

    申请日：2020-08-03

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Shuhei Tanakamaru ,  Dana Lynn Simonson ,  Erich Franz Haratsch

    IPC: G06F3/06 ,  G06F9/48

    Abstract: Improving performance in solid state devices (SSDs) by controlling or throttling the depth of the request queue. In one implementation, a method includes monitoring a request queue in a solid state device (an SSD), the request queue comprising a first request and a second request having an actual time interval therebetween, determining a number of active memory dies of the SSD, determining a target interval based on the number of active memory dies and a target number of active memory dies, and responsive to the actual time interval being less than the target interval, delaying acting on the second request until after the target interval.

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