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    VALIDATION OF LOG FILES USING BLOCKCHAIN SYSTEM
    1.
    发明申请
    VALIDATION OF LOG FILES USING BLOCKCHAIN SYSTEM 有权

    公开(公告)号：US20210133079A1

    公开(公告)日：2021-05-06

    申请号：US16948129

    申请日：2020-09-03

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Rajkumar Kannan ,  Aruna Srinivasa Murthy

    IPC: G06F11/34 ,  H04L9/32 ,  G06F9/50 ,  G06F11/10

    Abstract: Examples include a blockchain system for managing and validating log files generated corresponding to transactions of a plurality of computing resources. Some examples include creating a block, in the blockchain system, corresponding to a log file generated corresponding to a transaction of a computing resource of the plurality of computing resources. Some examples include performing checksum validation of log files generated corresponding to transactions of a plurality of computing resources, using a blockchain system.

    BLOCKCHAIN BASED DISTRIBUTED FILE SYSTEMS
    2.
    发明申请
    BLOCKCHAIN BASED DISTRIBUTED FILE SYSTEMS 有权

    公开(公告)号：US20210124730A1

    公开(公告)日：2021-04-29

    申请号：US16948114

    申请日：2020-09-03

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Rajkumar Kannan ,  Aruna Srinivasa Murthy

    IPC: G06F16/23 ,  G06F16/182 ,  G06F16/11 ,  G06F21/62

    Abstract: Examples include a blockchain system associated with a distributed file system. Some examples include creating a block in the blockchain system for each action performed while performing a transaction in relation to a file stored in the distributed file system. The created block includes information identifying one or more of a signature of metadata of the file or a signature of data content of the file. Some examples include performing audit on a file, through a blockchain system, to validate consistency of the file.

    BLOCKCHAIN BASED DISTRIBUTED FILE SYSTEMS
    3.
    发明申请
    BLOCKCHAIN BASED DISTRIBUTED FILE SYSTEMS 有权

    公开(公告)号：US20210124732A1

    公开(公告)日：2021-04-29

    申请号：US16946062

    申请日：2020-06-04

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Rajkumar Kannan ,  Aruna Srinivasa Murthy

    IPC: G06F16/23 ,  G06F16/182

    Abstract: Examples include a blockchain system associated with a distributed file system, Some examples include retrieval, from the blockchain system, a latest block corresponding to a block signature of a reference block that corresponds to a file stored in the distributed file system. The latest block includes information identifying at least one of a latest location of the file, a signature of metadata of the file, or a tag associated with the file.

    Maintaining files in a retained file system
    4.
    发明授权
    Maintaining files in a retained file system 有权

    公开(公告)号：US10585762B2

    公开(公告)日：2020-03-10

    申请号：US15305179

    申请日：2014-10-07

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Arun Sankar ,  Jagadish Madhu ,  Ramesh Kannan Karuppasamy ,  Rajkumar Kannan

    IPC: G06F17/30 ,  G06F11/14 ,  G06F16/11 ,  G06F16/23 ,  G06F11/10

    Abstract: To maintain files in a retained file system, a run-time error detection code (EDC) is generated for a retained file. The run-time EDC is generated on the basis of at least one of entire content and metadata of the retained file. Further, the run-time EDC is compared with a validation EDC associated with the retained file to identify a corruption of the retained file. The validation EDC is generated at an instance of placing the retained file in the retained FS. Furthermore, the validation EDC is based on at least one of entire content and metadata of the retained file. Based on the comparison, an original version of the retained file may is restored from a trusted backup system.

    FILE SYSTEM LOCK DOWN
    7.
    发明申请
    FILE SYSTEM LOCK DOWN 审中-公开

    公开(公告)号：US20200012802A1

    公开(公告)日：2020-01-09

    申请号：US16027553

    申请日：2018-07-05

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Rajkumar Kannan

    IPC: G06F21/62 ,  G06F21/60 ,  G06F17/30

    Abstract: Example implementations relate to a file system lock down. In an example, an audit log is produced from I/O events related to data placed on a storage medium and managed by a file system. The audit log is analyzed based on compliance policies to generate a control signal. A compliance enforcer integrated in an I/O path of the file system sends a file system lock down command directly to the file system in response to the control signal indicating that a compliance policy has been violated by at least one of the I/O events in the audit log.

    Automatic WORM-retention state transitions
    10.
    发明授权
    Automatic WORM-retention state transitions 有权
    自动WORM保持状态转换

    公开(公告)号：US09514150B2

    公开(公告)日：2016-12-06

    申请号：US13866732

    申请日：2013-04-19

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Andrew M Sparkes ,  Rajkumar Kannan ,  Michael J Spitzer ,  Joseph E Fernandes

    IPC: G06F17/30

    CPC classification number: G06F17/30188

    Abstract: Example embodiments relate to automatic WORM-retention state transitions. In example embodiments, a storage computing device may detect a request to access, via a file system, a file that is associated with a first retention state. The first retention state may indicate either a first type of WORM-retention protection for the file or no WORM-retention protection for the file. The storage computing device may determine, in response to the request, that the file should be designated with a second retention state. The second retention state may indicate a second type of WORM-retention protection for the file. The determination may be based on a retention policy file that is tightly integrated with the file system and metadata of the file. The storage computing device may transition the file (e.g., by communicating with the file system) to be associated with the second retention state instead of the first retention state.

    Abstract translation: 示例实施例涉及自动WORM保持状态转换。 在示例实施例中，存储计算设备可以检测经由文件系统访问与第一保留状态相关联的文件的请求。 第一个保留状态可能指示文件的第一种WORM保留保护或文件的WORM保留保护。 存储计算设备可以响应于该请求来确定该文件应被指定为具有第二保留状态。 第二保留状态可能表示文件的第二种类型的WORM保留保护。 确定可以基于与文件系统和文件的元数据紧密集成的保留策略文件。 存储计算设备可以将文件（例如，通过与文件系统通信）转换为与第二保留状态相关联而不是第一保留状态。

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