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    Multi-threaded scanning of distributed file systems
    1.
    发明授权
    Multi-threaded scanning of distributed file systems 有权

    公开(公告)号：US10798170B2

    公开(公告)日：2020-10-06

    申请号：US16422836

    申请日：2019-05-24

    Applicant: Commvault Systems, Inc.

    Inventor： Douglas Cary Swallow ,  Manoj Kumar Pradhan ,  Dmitriy Borisovich Zakharkin

    IPC: H04L29/08 ,  G06F11/14 ,  H04L12/26

    Abstract: Embodiments disclosed herein address the need to more efficiently backup a network-based storage environment that may be remote from a primary storage environment. For example, embodiments herein can provide a more efficient backup of a storage managed by a third-party entity. To improve the backup process, embodiments herein may optimize the number of scanning threads that are used to identify files that are to be backed up by, for example, analyzing the characteristics of the network and/or the network storage system to determine a number of scanning threads that will enable faster scanning of the network storage system while at the same time not overburden or be slowed down by a network between the network-based storage environment and the primary storage environment.

    Multi-threaded scanning of distributed file systems
    3.
    发明授权
    Multi-threaded scanning of distributed file systems 有权

    公开(公告)号：US10389810B2

    公开(公告)日：2019-08-20

    申请号：US15341849

    申请日：2016-11-02

    Applicant: Commvault Systems, Inc.

    Inventor： Douglas Cary Swallow ,  Manoj Kumar Pradhan ,  Dmitriy Borisovich Zakharkin

    IPC: H04L12/26 ,  H04L29/08

    Abstract: Embodiments disclosed herein address the need to more efficiently backup a network-based storage environment that may be remote from a primary storage environment. For example, embodiments herein can provide a more efficient backup of a storage managed by a third-party entity. To improve the backup process, embodiments herein may optimize the number of scanning threads that are used to identify files that are to be backed up by, for example, analyzing the characteristics of the network and/or the network storage system to determine a number of scanning threads that will enable faster scanning of the network storage system while at the same time not overburden or be slowed down by a network between the network-based storage environment and the primary storage environment.

    Systems and methods to detect deleted files
    4.
    发明授权
    Systems and methods to detect deleted files 有权

    公开(公告)号：US10296607B2

    公开(公告)日：2019-05-21

    申请号：US15943074

    申请日：2018-04-02

    Applicant: Commvault Systems, Inc.

    Inventor： Rahul S. Pawar ,  Rajiv Kottomtharayil ,  Douglas Cary Swallow ,  Prakash Varadharajan

    IPC: G06F17/30

    Abstract: A data storage system protects data identified for deletion which has been created or modified between scheduled data backups. For instance, the system monitors data operations and when the data operation is a delete, the system determines whether the data identified for deletion has been protected by a backup operation. Data that has not been backed up, such as newly created data, is copied to temporary storage before deletion. When the data has been protected, the system determines whether the data has been modified after the backup operation. Data modified after the backup operation is copied to temporary storage before deletion.

    SYSTEMS AND METHODS TO TRACK DELETED FILES
    5.
    发明申请
    SYSTEMS AND METHODS TO TRACK DELETED FILES 审中-公开
    跟踪已删除文件的系统和方法

    公开(公告)号：US20140181033A1

    公开(公告)日：2014-06-26

    申请号：US14083726

    申请日：2013-11-19

    Applicant: CommVault Systems, Inc.

    Inventor： Rahul S. Pawar ,  Rajiv Kottomtharayil ,  Douglas Cary Swallow ,  Prakash Varadharajan

    IPC: G06F17/30

    CPC classification number: G06F11/1474 ,  G06F11/1451 ,  G06F11/1458 ,  G06F11/1461 ,  G06F11/2056 ,  G06F11/2097 ,  G06F11/3034 ,  G06F11/3485 ,  G06F16/119 ,  G06F16/162 ,  G06F16/1865 ,  G06F16/21 ,  G06F2201/80 ,  G06F2201/805 ,  G06F2201/815 ,  G06F2201/82 ,  G06F2201/84

    Abstract: A data storage system protects data identified for deletion which has been created or modified between scheduled data backups. For instance, the system copies the data to temporary storage, saves the file path in the temporary storage, and identifies the copy of the data in temporary storage for backup. In another manner, the system converts the data to a hidden file, copies the hidden file to temporary storage, saves the file path to the temporary storage, and identifies the copy of the hidden file for backup. In a further manner, the system copies the data to temporary storage when it is created, saves the file path to the temporary storage, and identifies the data in the temporary storage for backup after the delete operation is detected and the data is identified as not protected or as modified after the last backup operation.

    Abstract translation: 数据存储系统保护已经在计划的数据备份之间创建或修改的被识别为删除的数据。 例如，系统将数据复制到临时存储，将文件路径保存在临时存储中，并将临时存储中的数据副本标识为备份。 另一方面，系统将数据转换为隐藏文件，将隐藏文件复制到临时存储，将文件路径保存到临时存储，并识别隐藏文件的副本进行备份。 另一方面，系统在创建数据时将数据复制到临时存储器，将文件路径保存到临时存储器，并在检测到删除操作后识别临时存储器中的数据以进行备份，并将数据标识为不 在最后一次备份操作后保护或修改。

    Historical network data-based scanning thread generation
    6.
    发明授权
    Historical network data-based scanning thread generation 有权

    公开(公告)号：US10922189B2

    公开(公告)日：2021-02-16

    申请号：US15341878

    申请日：2016-11-02

    Applicant: Commvault Systems, Inc.

    Inventor： Douglas Cary Swallow ,  Manoj Kumar Pradhan ,  Dmitriy Borisovich Zakharkin

    IPC: G06F11/14 ,  H04L29/08 ,  G06F11/20 ,  G06F11/30

    Abstract: Embodiments disclosed herein address the need to more efficiently backup a network-based storage environment that may be remote from a primary storage environment. For example, embodiments herein can provide a more efficient backup of a storage managed by a third-party entity. To improve the backup process, embodiments herein may optimize the number of scanning threads that are used to identify files that are to be backed up by, for example, analyzing the characteristics of the network and/or the network storage system to determine a number of scanning threads that will enable faster scanning of the network storage system while at the same time not overburden or be slowed down by a network between the network-based storage environment and the primary storage environment.

    SYSTEMS AND METHODS TO PROTECT DELETED FILES
    8.
    发明申请
    SYSTEMS AND METHODS TO PROTECT DELETED FILES 审中-公开
    保护已删除文件的系统和方法

    公开(公告)号：US20140181047A1

    公开(公告)日：2014-06-26

    申请号：US14083734

    申请日：2013-11-19

    Applicant: CommVault Systems, Inc.

    Inventor： Rahul S. Pawar ,  Rajiv Kottomtharayil ,  Douglas Cary Swallow ,  Prakash Varadharajan

    IPC: G06F17/30

    CPC classification number: G06F11/1474 ,  G06F11/1451 ,  G06F11/1458 ,  G06F11/1461 ,  G06F11/2056 ,  G06F11/2097 ,  G06F11/3034 ,  G06F11/3485 ,  G06F16/119 ,  G06F16/162 ,  G06F16/1865 ,  G06F16/21 ,  G06F2201/80 ,  G06F2201/805 ,  G06F2201/815 ,  G06F2201/82 ,  G06F2201/84

    Abstract: A data storage system protects data identified for deletion which has been created or modified between scheduled data backups. The system copies the data to temporary storage, normalizes the copy, and merges the normalized data from the temporary storage to a secondary storage device. For instance, the system merges the data on the secondary storage device at locations indicated by the file path saved in metadata. In another manner, the system merges changes between the previously backed up version of the data and the data identified for deletion into the previously backed up version of the data stored on the secondary storage device at the locations indicated by the file path. In a further manner, the system merges the differences between the previously backed up version of the data and the data identified for deletion at the locations indicated by the file path.

    Abstract translation: 数据存储系统保护已经在计划的数据备份之间创建或修改的被识别为删除的数据。 系统将数据复制到临时存储，规范化副本，并将标准化数据从临时存储合并到辅助存储设备。 例如，系统将辅助存储设备上的数据合并到由元数据中保存的文件路径指示的位置。 以另一种方式，系统将先前备份的数据版本和标识为删除的数据之间的变化合并到在存储在辅助存储设备上的文件路径指示的位置处的先前备份的数据的版本中。 以另一种方式，系统将先前备份的数据版本与由文件路径指示的位置识别为要删除的数据之间的差异进行合并。

    Media agent hardening against ransomware attacks
    10.
    发明授权
    Media agent hardening against ransomware attacks 有权

    公开(公告)号：US11574050B2

    公开(公告)日：2023-02-07

    申请号：US17233230

    申请日：2021-04-16

    Applicant: Commvault Systems, Inc.

    Inventor： Sri Karthik Bhagi ,  Douglas Cary Swallow

    IPC: G06F21/55 ,  G06F21/54 ,  G06F21/78 ,  G06F21/56 ,  G06N20/00 ,  G06F21/62 ,  G06N5/04 ,  G06F9/455 ,  G06F11/14

    Abstract: An information management system implements a method for securing a media agent from unauthorized access, where the method includes configuring a secondary storage computing device to initialize a filter driver at boot time and monitor process calls to a media agent, where the media agent provides read and write operations to a secondary storage device in communication with the secondary storage computing device. The filter driver may detect a process call to the media agent, and determine whether the process call is authorized. In response to a determination that the process call is authorized, the filter driver may allow the process call to request an operation be performed by the media agent, and the media agent may then perform the requested operation. If the filter driver determines that the process call is not authorized, the filter driver may ignore the process call for the requested operation.

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