STORAGE SYSTEM DEEP IDLE POWER MODE

    公开(公告)号:US20220197368A1

    公开(公告)日:2022-06-23

    申请号:US17566370

    申请日:2021-12-30

    Abstract: Systems and methods are disclosed, including moving host data stored in volatile memory of the storage system to non-volatile memory of the storage system and transitioning a storage system power status of a unidirectional power state signal interface from an active power status to a low power status.

    Real-time trigger to dump an error log

    公开(公告)号:US11269707B2

    公开(公告)日:2022-03-08

    申请号:US16989274

    申请日:2020-08-10

    Abstract: In various embodiments, a technique can be provided to address debug efficiency for failures found on an operational system. The approach can make use of an existing pin on a memory device with added logic to respond to a trigger signal structured different from a signal that is normally sent to the existing pin on the memory device such that the memory device performs a normal or routine function of the memory device in response to the signal. In response to detecting one or more error conditions associated with the memory device, a system that interfaces with the memory device can generate the trigger signal to the memory device. In response to receiving the trigger signal, the memory device can dump an error log of the memory device to a memory component in the memory device. The error log can later be retrieved from the memory component for failure analysis.

    INCREASED EFFICIENCY OBFUSCATED LOGICAL-TO-PHYSICAL MAP MANAGEMENT

    公开(公告)号:US20210064548A1

    公开(公告)日:2021-03-04

    申请号:US16554937

    申请日:2019-08-29

    Abstract: Devices and techniques for efficient obfuscated logical-to-physical mapping are described herein. For example, activity corresponding to obfuscated regions of an L2P map for a memory device can be tracked. A record of discontinuity between the obfuscated regions and L2P mappings resulting from the activity can be updated. The obfuscated regions can be ordered based on a level of discontinuity from the record of discontinuity. When an idle period is identified, an obfuscated region from the obfuscated regions is selected and refreshed based on the ordering.

    SHARED PARITY PROTECTION
    56.
    发明申请

    公开(公告)号:US20210064468A1

    公开(公告)日:2021-03-04

    申请号:US16555014

    申请日:2019-08-29

    Abstract: A variety of applications can include apparatus and/or methods that provide shared parity protection to data in memory devices of a memory system. Parity data of different data streams programmed into different blocks of one or more memory devices can be overlapped and wrapped into slots of a volatile memory arranged as a storage device for the parity data. A parity map of parity-to-data reflecting the overlapping of the parity data can be maintained in the volatile memory along with the overlapped parity. The parity map can be updated as parity data is generated from further programming of the data streams. The parity contents of the volatile memory, including the parity map, can be transferred to a non-volatile memory in response to a determination of an occurrence of a transfer criterion. The parity contents flushed to the non-volatile memory can be used to allow correct data reconstruction in case of failures in programming.

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