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    REDUNDANT DISTRIBUTED DATA STORAGE SYSTEM
    81.
    发明申请
    REDUNDANT DISTRIBUTED DATA STORAGE SYSTEM 审中-公开

    公开(公告)号：US20200089409A1

    公开(公告)日：2020-03-19

    申请号：US16359610

    申请日：2019-03-20

    Applicant: Commvault Systems, Inc.

    Inventor： Ramachandra Reddy ANKIREDDYPALLE ,  Manoj Kumar VIJAYAN ,  Sachin Subraya PANDIT ,  Pratima Bapusaheb KUDALE

    IPC: G06F3/06 ,  G06F9/455

    Abstract: An improved information management system is provided herein for managing secondary storage computing devices when one or more become unavailable. For example, a first secondary storage computing device in a pool of secondary storage computing devices can run a storage manager virtual machine (VM) that manages secondary copy and restore operations. A second secondary storage computing device in the pool can run a virtualization engine that manages the storage manager VM. The virtualization engine can replicate the storage manager VM data to other secondary storage computing devices in the pool. If the first secondary storage computing devices becomes unavailable, the second secondary storage computing device can instruct a third secondary storage computing device in the pool to launch a replicated storage manager VM using the replicated storage manager VM data stored therein. Thus, the third secondary storage computing device can act as the now unavailable first secondary storage computing device.

    MANAGING DELETIONS FROM A DEDUPLICATION DATABASE
    82.
    发明申请
    MANAGING DELETIONS FROM A DEDUPLICATION DATABASE 审中-公开

    公开(公告)号：US20190310968A1

    公开(公告)日：2019-10-10

    申请号：US16452309

    申请日：2019-06-25

    Applicant: Commvault Systems, Inc.

    Inventor： Deepak Raghunath ATTARDE ,  Manoj Kumar VIJAYAN

    IPC: G06F16/174 ,  G06F3/06

    Abstract: An information management system can manage the removal of data block entries in a deduplicated data store using working copies of the data block entries residing in a local data store of a secondary storage computing device. The system can use the working copies to identify data blocks for removal. Once the deduplication database is updated with the changes to the working copies (e.g., using a transaction based update scheme), the system can query the deduplication database for the database entries identified for removal. Once identified, the system can remove the database entries identified for pruning and/or the corresponding deduplication data blocks from secondary storage.

    SCALABLE AUXILIARY COPY PROCESSING IN A DATA STORAGE MANAGEMENT SYSTEM USING MEDIA AGENT RESOURCES
    83.
    发明申请
    SCALABLE AUXILIARY COPY PROCESSING IN A DATA STORAGE MANAGEMENT SYSTEM USING MEDIA AGENT RESOURCES 审中-公开

    公开(公告)号：US20190278493A1

    公开(公告)日：2019-09-12

    申请号：US16422425

    申请日：2019-05-24

    Applicant: Commvault Systems, Inc.

    Inventor： Hetalkumar N. JOSHI ,  Chandrashekar MARANNA ,  Manoj Kumar VIJAYAN

    IPC: G06F3/06

    Abstract: A scalable approach is disclosed for processing auxiliary-copy jobs in a storage management system by using distributed media agent resources instead of a centralized storage manager. Enhanced media agents coordinate and control auxiliary-copy jobs and tap the storage manager to reserve data streams and provide job-specific metadata on demand. An enhanced storage manager may initially select a media agent as “coordinator” to coordinate auxiliary-copy jobs with any number of other media agents, which act as “controllers.” A coordinator media agent is generally responsible for obtaining data stream reservation information from the storage manager and assigning auxiliary-copy jobs to respective controller media agents, based on the components involved in the respective reserved data streams.

    OPERATION READINESS CHECKING AND REPORTING
    84.
    发明申请
    OPERATION READINESS CHECKING AND REPORTING 审中-公开

    公开(公告)号：US20190146948A1

    公开(公告)日：2019-05-16

    申请号：US16233851

    申请日：2018-12-27

    Applicant: Commvault Systems, Inc.

    Inventor： Rajiv KOTTOMTHARAYIL ,  Manoj Kumar VIJAYAN ,  Vimal Kumar NALLATHAMBI ,  Unmil Vinay TAMBE

    IPC: G06F16/11 ,  G06F11/00 ,  G06F11/14

    CPC classification number: G06F16/128 ,  G06F11/00 ,  G06F11/1448 ,  G06F11/1458 ,  G06F2201/805 ,  G06F2201/84

    Abstract: An information management system according to certain aspects may determine whether storage operations will work prior to executing them. The system may check various factors or parameters relating to a storage policy to verify whether the storage policy will work at runtime without actually executing the policy. Some examples of factors can include: availability of primary storage devices, availability of secondary storage devices, license availability for performing that operation, user credentials for connecting to primary and/or second storage devices, available storage capacity, connectivity to storage devices, etc. The system may also check whether a particular system configuration is supported in connection with storage operations. The result of the determination can be provided in the form of a report summarizing any problems found with the storage policy. The report can include recommended courses of action or solutions for resolving any identified issues.

    MANAGING DELETIONS FROM A DEDUPLICATION DATABASE
    85.
    发明申请
    MANAGING DELETIONS FROM A DEDUPLICATION DATABASE 审中-公开

    公开(公告)号：US20190012328A1

    公开(公告)日：2019-01-10

    申请号：US16020900

    申请日：2018-06-27

    Applicant: Commvault Systems, Inc.

    Inventor： Deepak Raghunath ATTARDE ,  Manoj Kumar VIJAYAN

    IPC: G06F17/30 ,  G06F3/06

    Abstract: An information management system can manage the removal of data block entries in a deduplicated data store using working copies of the data block entries residing in a local data store of a secondary storage computing device. The system can use the working copies to identify data blocks for removal. Once the deduplication database is updated with the changes to the working copies (e.g., using a transaction based update scheme), the system can query the deduplication database for the database entries identified for removal. Once identified, the system can remove the database entries identified for pruning and/or the corresponding deduplication data blocks from secondary storage.

    SYSTEMS AND METHODS FOR RETAINING AND USING DATA BLOCK SIGNATURES IN DATA PROTECTION OPERATIONS
    86.
    发明申请
    SYSTEMS AND METHODS FOR RETAINING AND USING DATA BLOCK SIGNATURES IN DATA PROTECTION OPERATIONS 审中-公开

    公开(公告)号：US20170199699A1

    公开(公告)日：2017-07-13

    申请号：US15472737

    申请日：2017-03-29

    Applicant: Commvault Systems, Inc.

    Inventor： Manoj Kumar VIJAYAN ,  Deepak Raghunath ATTARDE

    IPC: G06F3/06

    CPC classification number: G06F3/0641 ,  G06F3/0608 ,  G06F3/061 ,  G06F3/0619 ,  G06F3/065 ,  G06F3/0652 ,  G06F3/067 ,  G06F3/0683 ,  G06F11/1453 ,  G06F11/1466

    Abstract: A system according to certain embodiments associates a signature value corresponding to a data block with one or more data blocks and a reference to the data block to form a signature/data word corresponding to the data block. The system further logically organizes the signature/data words into a plurality of files each comprising at least one signature/data word such that the signature values are embedded in the respective file. The system according to certain embodiments reads a previously stored signature value corresponding to a respective data block for sending from a backup storage system having at least one memory device to a secondary storage system. Based on an indication as to whether the data block is already stored on the secondary storage system, the system reads the data block from the at least one memory device for sending to the secondary storage system if the data block does not exist on the secondary storage system, wherein the signature value and not the data block is read from the at least one memory device if the data block exists on the secondary storage system.

    DISTRIBUTED FILE SYSTEM IN A DISTRIBUTED DEDUPLICATION DATA STORAGE SYSTEM
    88.
    发明申请
    DISTRIBUTED FILE SYSTEM IN A DISTRIBUTED DEDUPLICATION DATA STORAGE SYSTEM 审中-公开

    公开(公告)号：US20170192861A1

    公开(公告)日：2017-07-06

    申请号：US15299298

    申请日：2016-10-20

    Applicant: Commvault Systems, Inc.

    Inventor： Manoj Kumar VIJAYAN ,  Jaidev Oppath KOCHUNNI ,  Deepak Raghunath ATTARDE ,  Ramachandra Reddy ANKIREDDYPALLE

    IPC: G06F11/16 ,  G06F3/06

    Abstract: Systems and methods are provided herein for automatically configuring newly installed secondary storage computing devices and managing secondary storage computing devices when one or more become unavailable. For example, a storage manager can then detect the computing resources available to the newly installed secondary storage computing device, assign a role to the newly installed secondary storage computing device based on the detected computing resources, configure the newly installed secondary storage computing device with deduplication and storage policies used by the other secondary storage computing devices, re-partition secondary storage devices to allocate memory for the newly installed secondary storage computing device, and instruct other secondary storage computing devices to replicate their managed data such that the newly installed secondary storage computing device has access to the replicated data.

    REPLICATION USING DEDUPLICATED SECONDARY COPY DATA
    89.
    发明申请
    REPLICATION USING DEDUPLICATED SECONDARY COPY DATA 审中-公开
    复制二次复制数据

    公开(公告)号：US20160350391A1

    公开(公告)日：2016-12-01

    申请号：US14721971

    申请日：2015-05-26

    Applicant: Commvault Systems, Inc.

    Inventor： Manoj Kumar VIJAYAN ,  Joe Sabu Thyvelikkakakth JOB

    IPC: G06F17/30

    Abstract: An information management system according to certain aspects uses backup copies or other secondary copies of production data for the purposes of replicating production data to another client. The secondary copies can be deduplicated copies. By utilizing available secondary copies of the data for replication, the system can reduce the impact on the production machines associated with replication. Utilizing deduplicated copies not only reduces the amount of stored data, but also reduces the amount of data that is communicated between the source and the destination, increasing the speed of the replication process.

    Abstract translation: 根据某些方面的信息管理系统使用生产数据的备份副本或其他次要副本，以将生产数据复制到另一客户端。 副本可以是重复数据删除的副本。 通过利用数据的可用次要副本进行复制，系统可以减少与复制相关的生产计算机的影响。 利用重复数据删除的副本不仅减少了存储的数据量，而且减少了源和目的地之间传递的数据量，从而提高了复制过程的速度。

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