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    Identifying a parent event associated with child error states
    37.
    发明授权
    Identifying a parent event associated with child error states 有权

    公开(公告)号：US11593029B1

    公开(公告)日：2023-02-28

    申请号：US17236144

    申请日：2021-04-21

    Applicant: Pure Storage, Inc.

    Inventor： Greg R. Dhuse ,  Yogesh R. Vedpathak

    IPC: G06F16/45 ,  G06F3/06 ,  G06F11/10 ,  G06F11/07 ,  G06F11/30 ,  G06F11/34 ,  G06F11/32

    Abstract: Event records from multiple computing devices are received at a managing unit. Individual event records include an event identifier field including an event identifier identifying a first event associated with a particular computing device, a parent event identifier field identifying a parent event that initialized the first event, and an entity identifier field including an entity identifier identifying the particular computing device. The managing unit generates log records associated with event identifiers included in the event records. The log records include state fields indicating a state of a particular event associated with a particular event identifier. Based on a correlation of the event and log records, the managing unit determines at least two computing devices associated with events resulting in an error state, and identifies parent events that initialized the events with errors. The managing unit generates a report linking the parent events to the events having an error state.

    Recovering Missing Data in a Storage Network via Locally Decodable Redundancy Data
    38.
    发明申请
    Recovering Missing Data in a Storage Network via Locally Decodable Redundancy Data 有权

    公开(公告)号：US20230009883A1

    公开(公告)日：2023-01-12

    申请号：US17933563

    申请日：2022-09-20

    Applicant: Pure Storage, Inc.

    Inventor： Ilya Volvovski ,  Bruno H. Cabral ,  Manish Motwani ,  Thomas D. Cocagne ,  Timothy W. Markison ,  Gary W. Grube ,  Wesley B. Leggette ,  Jason K. Resch ,  Michael C. Storm ,  Greg R. Dhuse ,  Yogesh R. Vedpathak ,  Ravi V. Khadiwala

    IPC: G06F11/10 ,  G06F16/00 ,  G06F3/06 ,  G06F11/07 ,  H04L67/1097 ,  H04L47/72 ,  H04L67/62

    Abstract: A processing system of a storage network operates by: sending, to at least one storage unit of the storage network, at least one read request corresponding to at least a read threshold number of a set of encoded data slices to be retrieved, wherein the set of encoded data slices correspond to a data segment, wherein the data segment is coded in accordance with dispersed error coding parameters that include a write threshold number and the read threshold number, wherein the write threshold number is a number of encoded data slices in the set of encoded data slices and wherein the read threshold number is a number of the set of slices that is required to decode the data segment; receiving, via the at least one processing circuit and from the at least one storage unit, a first subset of encoded data slices of the set of encoded data slices, wherein the first subset of encoded data slices is missing at least one missing encoded data slice that was not received from the at least one storage unit in response to the at least one read request and wherein the number of encoded data slices in the first subset of the encoded data slices is less than the read threshold number; generating, via the at least one processing circuit, at least one rebuilt encoded data slice corresponding to the at least one missing encoded data slice utilizing locally decodable redundancy data, wherein the locally decodable redundancy data generated from a second subset of the set of encoded data slices that includes the at least one missing encoded data slice; and recovering, via the at least one processing circuit, the data segment based on the at least one rebuilt encoded data slice and the first subset of encoded data slices.

    Generating Messages with Priorities in a Storage Network
    39.
    发明申请
    Generating Messages with Priorities in a Storage Network 有权

    公开(公告)号：US20230004505A1

    公开(公告)日：2023-01-05

    申请号：US17930521

    申请日：2022-09-08

    Applicant: Pure Storage, Inc.

    Inventor： Greg R. Dhuse

    IPC: G06F13/16 ,  G06F16/182 ,  G06F3/06 ,  H04L9/32 ,  H04L9/40 ,  H04L9/08 ,  G06F12/06 ,  G06F21/62 ,  G06F11/10 ,  G06F21/78

    Abstract: A storage system operates by generating system messages, in accordance with the system-level message processing parameters, the system messages including status information, performance information and alarms, each having one of a plurality of priorities. The generating includes: generating a first message of the system messages corresponding to a first of the storage nodes based on the system-level message processing parameters, the first message including a first alarm of the alarms having a first message priority of the plurality of priorities; and generating a second message of the system messages corresponding to a second of the storage nodes based on the system-level message processing parameters, the second message including a second alarm of the alarms having a second message priority of the plurality of priorities. Wherein the system further operates by sending the first message of the system messages in accordance with the first message priority; and ending the second message of the system messages in accordance with the second message priority.

    Generating and queuing system messages with priorities in a storage network
    40.
    发明授权
    Generating and queuing system messages with priorities in a storage network 有权

    公开(公告)号：US11474958B1

    公开(公告)日：2022-10-18

    申请号：US16780310

    申请日：2020-02-03

    Applicant: Pure Storage, Inc.

    Inventor： Greg R. Dhuse

    IPC: G06F13/16 ,  G06F21/78 ,  G06F21/62 ,  G06F11/10 ,  H04L9/40 ,  H04L9/32 ,  H04L9/08 ,  G06F12/06 ,  G06F3/06 ,  G06F16/182 ,  H04L67/1097

    Abstract: A method for use with a storage network includes generating system messages, in accordance with the system-level message processing parameters, the system messages including status information, performance information and alarms, each having one of a plurality of priorities, wherein the generating includes: generating a first message of the system messages corresponding to a first of the storage nodes based on the system-level message processing parameters, the first message including a first alarm of the alarms having a first message priority of the plurality of priorities; and generating a second message of the system messages corresponding to a second of the storage nodes based on the system-level message processing parameters, the second message including a second alarm of the alarms having a second message priority of the plurality of priorities.

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