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    MEMORY WEAR LEVELING
    4.
    发明公开
    MEMORY WEAR LEVELING 审中-公开

    公开(公告)号：US20240354243A1

    公开(公告)日：2024-10-24

    申请号：US18329251

    申请日：2023-01-11

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Gary Smerdon ,  Isaac R. Nassi ,  David P. Reed

    IPC: G06F12/02

    CPC classification number: G06F12/023

    Abstract: In some examples, based on the information relating to the wear of physical memories in computer nodes of the distributed system, a system initiates a migration of a memory page from a first physical memory in a first computer node to a second physical memory in a second computer node. As part of the migration, the system updates a mapping between a first address space accessible by programs in the distributed system and a physical address space comprising memory locations in the physical memories.

    Goal-directed software-defined NUMA working set management
    5.
    发明授权
    Goal-directed software-defined NUMA working set management 有权

    公开(公告)号：US12020052B2

    公开(公告)日：2024-06-25

    申请号：US17081529

    申请日：2020-10-27

    Applicant: Hewlett PAckard Enterprise Development LP

    Inventor： Brian D. Moffet ,  John Houston Gray ,  Jeffrey Paul Radick ,  Charles Joseph Levine ,  Isaac R. Nassi

    IPC: G06F9/455 ,  G06F9/50 ,  G06Q10/0631

    CPC classification number: G06F9/45558 ,  G06F9/5077 ,  G06F2009/4557 ,  G06Q10/06315

    Abstract: Initializing a software-defined server having software-defined NUMA domains includes, when booting a virtual environment defined by a set of hyper-kernels running on a plurality of physically interconnected computing nodes, accessing information associated with a software-defined NUMA domain configuration. It further includes, based at least in part on the accessed information, assigning software-defined NUMA domains to computing nodes. It further includes assigning virtualized resources to the software-defined NUMA domains.
    Handling a stalling event involving software-defined NUMA domains includes receiving an indication that a core or hyperthread which instantiates a virtual processor cannot access a virtualized resource needed by the core or hyperthread. It further includes determining, based at least in part on at least one of (1) a software-defined NUMA (Non Uniform Memory Access) domain to which the needed virtualized resource is assigned, (2) a software-defined NUMA domain to which the virtual processor is assigned, or (3) a software-defined NUMA domain associated with a computing node that has the core or hyperthread, whether to perform at least one of migrating the virtual processor or migrating the needed virtualized resource.

    SYSTEM WEAR LEVELING
    7.
    发明申请
    SYSTEM WEAR LEVELING 有权

    公开(公告)号：US20250086076A1

    公开(公告)日：2025-03-13

    申请号：US18329627

    申请日：2023-02-28

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Gary Smerdon ,  Isaac R. Nassi ,  David P. Reed

    IPC: G06F11/20

    Abstract: A technique includes receiving information relating to wear of computer nodes. Based on the information relating to the wear, the technique includes ranking the computer nodes according to respective expected remaining lifetimes of the computer nodes. The technique includes, responsive to an event that corresponds to at least one of a spare computer node being added to the system or a given computer node being removed from the system, reconfiguring the system based on the ranking.

    FAST RESTART OF LARGE MEMORY SYSTEMS
    8.
    发明公开
    FAST RESTART OF LARGE MEMORY SYSTEMS 审中-公开

    公开(公告)号：US20240152286A1

    公开(公告)日：2024-05-09

    申请号：US18407981

    申请日：2024-01-09

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： David P. Reed ,  Isaac R. Nassi

    IPC: G06F3/06

    CPC classification number: G06F3/0632 ,  G06F3/0604 ,  G06F3/067

    Abstract: Utilizing a storage replica data structure includes receiving, at a hyper-kernel running on a computing node in a plurality of interconnected computing nodes, an indication of an operation pertaining to at least one of a guest physical memory address or a stable storage address. A guest operating system is run on a virtual environment that is defined by a set of hyper-kernels running on the plurality of interconnected computing nodes. It further includes updating a storage replica data structure. The storage replica data structure comprises a set of entries. The set of entries in the storage replica data structure comprises associations among guest physical memory addresses, physical memory addresses, and stable storage addresses

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