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    Cost-effective solid state disk data protection method for hot removal event
    42.
    发明授权
    Cost-effective solid state disk data protection method for hot removal event 有权

    公开(公告)号：US11656669B2

    公开(公告)日：2023-05-23

    申请号：US17235907

    申请日：2021-04-20

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sompong Paul Olarig ,  Ramdas P. Kachare ,  Wentao Wu

    IPC: G06F11/00 ,  G06F1/30 ,  G06F1/28 ,  G06F3/06

    CPC classification number: G06F1/30 ,  G06F1/28 ,  G06F3/0604 ,  G06F3/0659 ,  G06F3/0679

    Abstract: A system is disclosed that provides emergency backup power to a solid-state drive (SSD) that may not contain any internal supercapacitors. The SSD may include a first connector and a hold-up power supply. The first connector may have a predetermined form factor and may being capable of being connected to a corresponding connector of a midplane of a storage system. The first connector may include a main power connection that is connected to a main power supply of the midplane if the first connector is connected to the corresponding connector of the midplane. The hold-up power supply may be internal to the SSD, and may receive hold-up energy from an external energy source for a predetermined amount of time after the first connector has been disconnected from the main power connection of the midplane so that the SSD may store any host data write requests that the SSD has acknowledged.

    Systems, methods, and devices for key per input/output security
    43.
    发明授权
    Systems, methods, and devices for key per input/output security 有权

    公开(公告)号：US11575505B2

    公开(公告)日：2023-02-07

    申请号：US17157560

    申请日：2021-01-25

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ramdas P. Kachare ,  Xuebin Yao ,  Jimmy K. Lau

    IPC: H04L9/08 ,  G06F13/16 ,  G06F21/60 ,  G06F21/62 ,  G06F21/78 ,  G06F12/14 ,  G06F13/12 ,  G06F21/79

    Abstract: A device includes a communications circuit configured to communicate with a storage device controller and a host device. The device further includes a processing device configured to receive a request from the storage device controller through the communications circuit. The request requests encrypted data be written to a memory address of the host device. The processing device is further configured to identify a key associated with the write request based on the memory address. The processing device is further configured to generate a decrypted version of the data based on the key. The processing device is further configured to initiate transfer, through the communications circuit, of the decrypted version of the data to the host device.

    Differentiated storage services in ethernet SSD
    44.
    发明授权
    Differentiated storage services in ethernet SSD 有权

    公开(公告)号：US11544212B2

    公开(公告)日：2023-01-03

    申请号：US17134094

    申请日：2020-12-24

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ramdas P. Kachare ,  Dong Gi Lee ,  Ajay Sundar Raj ,  Fred Worley

    IPC: G06F15/173 ,  G06F3/06 ,  H04L45/50

    Abstract: A system and method for differentiated storage services with a Ethernet SSD includes receiving, at an Ethernet SSD (eSSD), an input/output (I/O) service request from a remote host via a multiprotocol label switching (MPLS) network. The I/O service request includes at least one parameter that may be used to match the I/O service request to a label switched path (LSP) based on the parameter(s). A storage traffic stream may then be opened between the eSSD and the remote host over the MPLS network according to the LSP.

    Method and apparatus for performing power analytics of a storage system
    45.
    发明授权
    Method and apparatus for performing power analytics of a storage system 有权

    公开(公告)号：US11500439B2

    公开(公告)日：2022-11-15

    申请号：US16167306

    申请日：2018-10-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ramdas P. Kachare ,  Wentao Wu ,  Sompong Paul Olarig

    IPC: G06F1/28 ,  G06F1/30 ,  G06F1/26 ,  G06F1/3225 ,  G06F11/20 ,  G06F11/30 ,  G06F11/34 ,  G06F1/3287

    Abstract: A storage system comprises one or more storage devices, power supplies supplying power to the storage device, a processor that performs in response to determining that the total power consumption of the one or more storage devices is less than a first percentage threshold of a load of the active power supplies, deactivating one or more of the active power supplies until the total power consumption is equal to or greater than the first percentage threshold of a load of each of the active power supplies, and in response to determining that the total power consumption is equal to or greater than a second percentage threshold of a load of each of the active power supplies, activating one or more of the deactivated ones of the power supplies until the total power consumption is less than the second percentage threshold of the load of each of the active power supplies.

    Control plane method and apparatus for providing erasure code protection across multiple storage devices
    46.
    发明授权
    Control plane method and apparatus for providing erasure code protection across multiple storage devices 有权

    公开(公告)号：US11429487B2

    公开(公告)日：2022-08-30

    申请号：US17339772

    申请日：2021-06-04

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sompong Paul Olarig ,  David Schwaderer ,  Ramdas P. Kachare

    IPC: G06F11/00 ,  G06F11/10 ,  G06F11/20

    Abstract: A system and method for providing erasure code protection across multiple storage devices. A data switch in a storage system connects a plurality of storage devices to a remote host. Each storage device is also connected to a controller, e.g., a baseboard management controller. During normal operation, read and write commands from the remote host are sent to respective storage devices through the data switch. When a write command is executed, the storage device executing the command sends a copy of the data to the controller, which generates and stores erasure codes, e.g., on a storage device that is dedicated to the storage of erasure codes, and invisible to the remote host. When a device fails or is removed, the controller reconfigures the data switch to redirect all traffic addressed to the failed or absent storage device to the controller, and the controller responds to host commands in its stead.

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