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    VIRTUAL MACHINE CHANGE BLOCK TRACKING
    33.
    发明申请
    VIRTUAL MACHINE CHANGE BLOCK TRACKING 审中-公开

    公开(公告)号：US20180329636A1

    公开(公告)日：2018-11-15

    申请号：US15979215

    申请日：2018-05-14

    Applicant: Commvault Systems, Inc.

    Inventor： Henry Wallace DORNEMANN ,  Rahul S. PAWAR

    IPC: G06F3/06 ,  G06F11/14 ,  G06F11/00

    Abstract: According to certain aspects, a system includes a client device that includes a virtual machine (VM) executed by a hypervisor, a driver located within the hypervisor, and a data agent. The VM may include a virtual hard disk file and a change block bitmap file. The driver may intercept a first write operation generated by the VM to store data in a first sector, determine an identity of the first sector based on the intercepted write operation, determine an entry in the change block bitmap file that corresponds with the first sector, and modify the entry in the change block bitmap file to indicate that data in the first sector has changed. The data agent may generate an incremental backup of the VM based on the change block bitmap file in response to an instruction from a storage manager, where the incremental backup includes the data in the first sector.

    EFFICIENTLY RESTORING EXECUTION OF A BACKED UP VIRTUAL MACHINE BASED ON COORDINATION WITH VIRTUAL-MACHINE-FILE-RELOCATION OPERATIONS
    37.
    发明申请
    EFFICIENTLY RESTORING EXECUTION OF A BACKED UP VIRTUAL MACHINE BASED ON COORDINATION WITH VIRTUAL-MACHINE-FILE-RELOCATION OPERATIONS 有权
    基于与虚拟机 - 文件转移操作协调的备份虚拟机的有效恢复执行

    公开(公告)号：US20160306586A1

    公开(公告)日：2016-10-20

    申请号：US15191365

    申请日：2016-06-23

    Applicant: Commvault Systems, Inc.

    Inventor： Henry Wallace DORNEMANN ,  Rahul S. PAWAR ,  Paramasivam KUMARASAMY ,  Satish Chandra KILARU ,  Ananda VENKATESHA

    IPC: G06F3/06 ,  G06F9/455

    CPC classification number: G06F3/0647 ,  G06F3/0605 ,  G06F3/0617 ,  G06F3/0649 ,  G06F3/0664 ,  G06F3/067 ,  G06F9/45533 ,  G06F9/45537 ,  G06F9/45558 ,  G06F11/1446 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1458 ,  G06F11/1469 ,  G06F2009/45562 ,  G06F2009/4557 ,  G06F2201/805 ,  G06F2201/815

    Abstract: Systems and methods enable a virtual machine, including applications executing thereon, to quickly start executing and servicing users based on pre-staged data blocks supplied from a backup copy in secondary storage. Substantially concurrently with the ongoing execution of the virtual machine, a virtual-machine-file-relocation operation moves data blocks from backup to a primary storage destination that becomes the virtual machine's primary data store after relocation completes. An enhanced data agent, operating in conjunction with an enhanced media agent in a storage management system, coordinates restoring the virtual machine and launching the relocation operation. The enhanced media agent pre-stages certain backed up data blocks based on predictive analysis pertaining to the virtual machine's operational profile. The enhanced media agent also pre-stages backed up data blocks for the relocation operation, based on the operation's relocation scheme. The media agent tracks read requests and maintains the contents of an associated read cache.

    Abstract translation: 系统和方法使得虚拟机（包括在其上执行的应用程序）能够基于从辅助存储器中的备份副本提供的预先分级的数据块快速开始执行和维护用户。 与虚拟机的持续执行大致同时，虚拟机文件重定位操作将数据块从备份移动到主存储目的地，在重定位完成后将成为虚拟机的主数据存储。 增强的数据代理与存储管理系统中的增强型媒体代理一起运行，协调恢复虚拟机并启动重定位操作。 基于与虚拟机的运行简​​档相关的预测分析，增强型媒体代理预先确定某些备份的数据块。 增强型媒体代理还根据操作的重新定位方案，为重新定位操作预备了备份的数据块。 媒体代理跟踪读取请求并维护关联的读取高速缓存的内容。

    DATABASE PROTECTION USING BLOCK-LEVEL MAPPING
    38.
    发明申请
    DATABASE PROTECTION USING BLOCK-LEVEL MAPPING 审中-公开
    使用块级映射的数据库保护

    公开(公告)号：US20160210064A1

    公开(公告)日：2016-07-21

    申请号：US14714070

    申请日：2015-05-15

    Applicant: Commvault Systems, Inc.

    Inventor： Henry Wallace DORNEMANN ,  Rahul S. PAWAR ,  Jun H. AHN

    IPC: G06F3/06 ,  G06F17/30

    CPC classification number: G06F11/1464 ,  G06F3/061 ,  G06F3/0619 ,  G06F3/064 ,  G06F3/0643 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1458 ,  G06F11/1469 ,  G06F17/30073 ,  G06F17/30138 ,  G06F17/302 ,  G06F17/30212 ,  G06F17/303 ,  G06F17/30339 ,  G06F17/30368 ,  G06F17/30575 ,  G06F17/30581 ,  G06F2201/80 ,  G06F2201/84

    Abstract: A system according to certain aspects may include a client computing device including: a database application configured to output a database file in a primary storage device(s), the database application outputting the database file as a series of application-level blocks; and a data agent configured to divide the database file into a plurality of first blocks having a first granularity larger than a second granularity of the application-level blocks such that each of the first blocks spans a plurality of the application-level blocks. The system may include a secondary storage controller computer(s) configured to: in response to instructions to create a secondary copy of the database file: copy the plurality of first blocks to a secondary storage device(s) to create a secondary copy of the database file; and create a table that provides a mapping between the copied plurality of first blocks and corresponding locations on the secondary storage device(s).

    Abstract translation: 根据某些方面的系统可以包括客户端计算设备，包括：数据库应用，被配置为在主存储设备中输出数据库文件，所述数据库应用将数据库文件作为一系列应用级块输出; 以及数据代理，被配置为将数据库文件划分成具有大于应用级块的第二粒度的第一粒度的多个第一块，使得每个第一块跨越多个应用级块。 该系统可以包括辅助存储控制器计算机，其被配置为：响应于创建数据库文件的次要副本的指令：将多个第一块复制到辅助存储设备以创建第二副本 数据库文件; 并创建一个表，该表提供复制的多个第一块与辅助存储设备上的对应位置之间的映射。

    EFFICIENTLY RESTORING EXECUTION OF A BACKED UP VIRTUAL MACHINE BASED ON COORDINATION WITH VIRTUAL-MACHINE-FILE-RELOCATION OPERATIONS
    39.
    发明申请
    EFFICIENTLY RESTORING EXECUTION OF A BACKED UP VIRTUAL MACHINE BASED ON COORDINATION WITH VIRTUAL-MACHINE-FILE-RELOCATION OPERATIONS 有权

    公开(公告)号：US20160085636A1

    公开(公告)日：2016-03-24

    申请号：US14493200

    申请日：2014-09-22

    Applicant: CommVault Systems, Inc.

    Inventor： Henry Wallace DORNEMANN ,  Rahul S. PAWAR ,  Paramasivam KUMARASAMY ,  Satish Chandra KILARU ,  Ananda VENKATESHA

    IPC: G06F11/14 ,  G06F17/30 ,  G06F9/455

    CPC classification number: G06F17/30008 ,  G06F9/45558 ,  G06F2009/45575

    Abstract: The disclosed systems and methods enable a virtual machine, including any applications executing thereon, to quickly start executing and servicing users based on pre-staged data blocks supplied from a backup copy in secondary storage. Substantially concurrently with the ongoing execution of the virtual machine, a virtual-machine-file-relocation operation may move data blocks originating in the backup copy to a primary storage destination that becomes the virtual machine's primary data store after the relocation operation completes. An enhanced data agent, operating in conjunction with an enhanced media agent in a storage management system, coordinates restoring of the virtual machine and the launch of the relocation operation. The enhanced media agent may pre-stage certain backed up data blocks which may be needed to launch the virtual machine, based on predictive analysis pertaining to the virtual machine's operational profile. The enhanced media agent may also pre-stage backed up data blocks for the relocation operation, based on the operation's relocation scheme. Servicing read requests to the virtual machine may take priority over ongoing pre-staging of backed up data. Read requests may be tracked so that the media agent may properly maintain the contents of an associated read cache. Some embodiments of the illustrative storage management system may lack, or may simply not require, the relocation operation, and may operate in a “live mount” configuration.

    EFFICIENT LIVE-MOUNT OF A BACKED UP VIRTUAL MACHINE IN A STORAGE MANAGEMENT SYSTEM
    40.
    发明申请
    EFFICIENT LIVE-MOUNT OF A BACKED UP VIRTUAL MACHINE IN A STORAGE MANAGEMENT SYSTEM 有权
    存储管理系统中备份虚拟机的有效实时存储

    公开(公告)号：US20160085575A1

    公开(公告)日：2016-03-24

    申请号：US14493244

    申请日：2014-09-22

    Applicant: CommVault Systems, Inc.

    Inventor： Henry Wallace DORNEMANN ,  Rahul S. PAWAR ,  Paramasivam KUMARASAMY ,  Satish Chandra KILARU ,  Ananda VENKATESHA

    IPC: G06F9/455

    CPC classification number: G06F3/0647 ,  G06F3/0605 ,  G06F3/0617 ,  G06F3/064 ,  G06F3/0649 ,  G06F3/0659 ,  G06F3/0664 ,  G06F3/067 ,  G06F9/45533 ,  G06F9/45537 ,  G06F9/45558 ,  G06F11/1446 ,  G06F11/1458 ,  G06F11/1471 ,  G06F12/0862 ,  G06F2009/45562 ,  G06F2009/45575 ,  G06F2201/84 ,  G06F2212/1016 ,  G06F2212/151 ,  G06F2212/154 ,  G06F2212/263 ,  G06F2212/461 ,  G06F2212/507 ,  G06F2212/602 ,  G06F2212/6022

    Abstract: The disclosed systems and methods enable a virtual machine, including any applications executing thereon, to quickly start executing and servicing users based on pre-staged data blocks supplied from a backup copy in secondary storage. Substantially concurrently with the ongoing execution of the virtual machine, a virtual-machine-file-relocation operation may move data blocks originating in the backup copy to a primary storage destination that becomes the virtual machine's primary data store after the relocation operation completes. An enhanced data agent, operating in conjunction with an enhanced media agent in a storage management system, coordinates restoring of the virtual machine and the launch of the relocation operation. The enhanced media agent may pre-stage certain backed up data blocks which may be needed to launch the virtual machine, based on predictive analysis pertaining to the virtual machine's operational profile. The enhanced media agent may also pre-stage backed up data blocks for the relocation operation, based on the operation's relocation scheme. Servicing read requests to the virtual machine may take priority over ongoing pre-staging of backed up data. Read requests may be tracked so that the media agent may properly maintain the contents of an associated read cache. Some embodiments of the illustrative storage management system may lack, or may simply not require, the relocation operation, and may operate in a “live mount” configuration.

    Abstract translation: 所公开的系统和方法使得虚拟机（包括其上执行的任何应用）能够基于在辅助存储器中的备份副本提供的预先分级的数据块快速开始执行和维护用户。 与虚拟机的持续执行大致同时，虚拟机文件重定位操作可以将在备份副本中发起的数据块移动到在重定位操作完成之后成为虚拟机的主数据存储的主存储目的地。 增强的数据代理，与存储管理系统中的增强型媒体代理一起运行，协调虚拟机的恢复和启动重定位操作。 基于与虚拟机的操作简档相关的预测分析，增强型媒体代理可以预先启动可能需要启动虚拟机的某些备份的数据块。 增强媒体代理还可以基于操作的重定位方案来预备用于重定位操作的备份数据块。 对虚拟机的读取请求的服务可能优先于备份数据的正在进行的预分配。 可以跟踪读取请求，使得媒体代理可以适当地维护相关读取高速缓存的内容。 说明性存储管理系统的一些实施例可能缺乏重新定位操作，或可能简单地不需要重新定位操作，并且可以以“实时安装”配置操作。

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