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    HIGH AVAILABILITY SYSTEMS HAVING THINLY-PROVISIONED SECONDARY SERVERS
    1.
    发明申请
    HIGH AVAILABILITY SYSTEMS HAVING THINLY-PROVISIONED SECONDARY SERVERS 有权

    公开(公告)号：US20250117300A1

    公开(公告)日：2025-04-10

    申请号：US18336131

    申请日：2023-02-28

    Applicant: Hewlett Packard Enterprise Development LP

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

    IPC: G06F11/20

    Abstract: In accordance with example implementations, a process includes associating a secondary computer system with a primary computer system. The secondary computer system includes a first virtual machine, which is hosted by a secondary set of physical computer nodes. The primary computer system has a primary role, and the primary role corresponds to a minimum physical resource allocation. The secondary computer system is associated with a secondary role, and the second computer system is provisioned with a second physical resource allocation, which is less than the minimum physical resource allocation. The process includes, responsive to the primary computer system failing and without rebooting the secondary computer system, preparing the secondary computer system to take over the primary role. The preparation includes adding at least one physical computer node to the secondary set of physical computer nodes to cause the second physical resource allocation to meet or exceed the minimum physical resource allocation. The process includes, responsive to the primary computer system failing and without rebooting the secondary computer system, causing the secondary computer system to take over the primary role.

    MEMORY WEAR LEVELING
    5.
    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.

    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：US20230185465A1

    公开(公告)日：2023-06-15

    申请号：US17953164

    申请日：2022-09-26

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： David P. Reed ,  Isaac R. Nassi

    IPC: G06F3/06

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

    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

    SYSTEM WEAR LEVELING
    10.
    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.

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