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1. 发明授权

US08060703B1 Techniques for allocating/reducing storage required for one or more virtual machines 有权
标题翻译：用于分配/减少一个或多个虚拟机所需的存储的技术
公开(公告)号：US08060703B1
公开(公告)日：2011-11-15
申请号：US11694727
申请日：2007-03-30
申请人： Komal Desai , Jonathan Purcell , Bruce Montague , Viswesvaran Janakiraman , Douglas Fallstrom , Rajeev Bharadhwaj
发明人： Komal Desai , Jonathan Purcell , Bruce Montague , Viswesvaran Janakiraman , Douglas Fallstrom , Rajeev Bharadhwaj
IPC分类号： G06F12/00
CPC分类号： G06F12/023 , G06F9/45558 , G06F2009/45579
摘要： Techniques for allocating/reducing storage required for one or more virtual machines are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for allocating storage for one or more virtual machines. The method may comprise providing one or more virtual machines. The method may also comprise creating one or more master images containing one or more commonly used blocks. The method may also comprise creating one or more Copy on Write volumes, where each Copy on Write volume may be associated with at least one of the one or more virtual machines and at least one of the one or more master images, and wherein updated blocks may be stored in at least one of the one or more Copy on Write volumes, thereby reducing storage required for one or more virtual machines.
摘要翻译：公开了用于分配/减少一个或多个虚拟机所需的存储器的技术。在一个特定的示例性实施例中，这些技术可以被实现为用于为一个或多个虚拟机分配存储的方法。该方法可以包括提供一个或多个虚拟机。该方法还可以包括创建包含一个或多个常用块的一个或多个主图像。该方法还可以包括创建一个或多个写入拷贝卷，其中写入卷上的每个复制可以与一个或多个虚拟机中的至少一个以及一个或多个主映像中的至少一个相关联，并且其中更新的块可以存储在一个或多个写入拷贝卷中的至少一个中，从而减少一个或多个虚拟机所需的存储。

2. 发明申请

US20120109897A1 SYSTEM AND METHOD FOR OPTIMIZING MIRROR CREATION 有权
标题翻译：用于优化镜像创建的系统和方法
公开(公告)号：US20120109897A1
公开(公告)日：2012-05-03
申请号：US12913676
申请日：2010-10-27
申请人： Viswesvaran Janakiraman , Chris Chih-Chen Lin , Mohankumar R. Tiruvayapadi
发明人： Viswesvaran Janakiraman , Chris Chih-Chen Lin , Mohankumar R. Tiruvayapadi
IPC分类号： G06F17/00
CPC分类号： G06F11/1466 , G06F2201/815
摘要： Embodiments of the present invention are directed to a method and system for optimizing mirror creation. The method includes receiving, within an electronic system, a request for creating a mirror of a portion of a volume and accessing a data structure comprising information about a plurality of regions of the volume. The method further includes determining a plurality of regions comprising non-zeros of the volume based on the data structure and copying only the plurality of regions comprising non-zeros to create the mirror.
摘要翻译：本发明的实施例涉及一种用于优化镜像创建的方法和系统。该方法包括在电子系统内接收用于创建卷的一部分的镜像的请求，以及访问包括关于该卷的多个区域的信息的数据结构。该方法还包括基于数据结构来确定包含卷的非零的多个区域，并仅复制包含非零的多个区域以创建镜像。

3. 发明申请

US20120016840A1 VIRTUAL MACHINE AWARE REPLICATION METHOD AND SYSTEM 审中-公开
标题翻译：虚拟机意识复制方法与系统
公开(公告)号：US20120016840A1
公开(公告)日：2012-01-19
申请号：US12837445
申请日：2010-07-15
申请人： Chris Chih-Chen Lin , Viswesvaran Janakiraman
发明人： Chris Chih-Chen Lin , Viswesvaran Janakiraman
IPC分类号： G06F17/00 , G06F12/02 , G06F12/00
CPC分类号： G06F11/2097 , G06F11/1484 , G06F17/30212 , G06F17/30233 , G06F2201/815 , G06F2201/84
摘要： A method for replicating a virtual file system of a virtual machine. The method includes accessing a host file system usage map of a host machine that indicates active blocks out of a plurality of blocks of the host file system, and accessing a virtual file system usage map of a virtual machine that indicates active blocks out of a plurality of blocks of the virtual file system. A merged usage map is generated from information of the host file system usage map and the virtual file system usage map that identifies active blocks of the host file system associated with the virtual file system. The virtual file system is then replicated at a replication destination in accordance with the merged usage map.
摘要翻译：一种用于复制虚拟机的虚拟文件系统的方法。该方法包括访问指示主机文件系统的多个块中的活动块的主机的主机文件系统使用情况图，以及访问指示多个主机文件系统中的活动块的虚拟机的虚拟文件系统使用图的虚拟文件系统的块。根据主机文件系统使用图的信息和识别与虚拟文件系统相关联的主机文件系统的活动块的虚拟文件系统使用图来生成合并使用图。然后，根据合并的使用图，在复制目的地复制虚拟文件系统。

4. 发明授权

US10162722B2 Virtual machine aware replication method and system 有权
公开(公告)号：US10162722B2
公开(公告)日：2018-12-25
申请号：US12837445
申请日：2010-07-15
申请人： Chris Chih-Chen Lin , Viswesvaran Janakiraman
发明人： Chris Chih-Chen Lin , Viswesvaran Janakiraman
IPC分类号： G06F17/30 , G06F11/20 , G06F11/14
摘要： A method for replicating a virtual file system of a virtual machine. The method includes accessing a host file system usage map of a host machine that indicates active blocks out of a plurality of blocks of the host file system, and accessing a virtual file system usage map of a virtual machine that indicates active blocks out of a plurality of blocks of the virtual file system. A merged usage map is generated from information of the host file system usage map and the virtual file system usage map that identifies active blocks of the host file system associated with the virtual file system. The virtual file system is then replicated at a replication destination in accordance with the merged usage map.

5. 发明授权

US09934108B2 System and method for optimizing mirror creation 有权
公开(公告)号：US09934108B2
公开(公告)日：2018-04-03
申请号：US12913676
申请日：2010-10-27
申请人： Viswesvaran Janakiraman , Chris Chih-Chen Lin , Mohankumar R. Tiruvayapadi
发明人： Viswesvaran Janakiraman , Chris Chih-Chen Lin , Mohankumar R. Tiruvayapadi
IPC分类号： G06F11/14
CPC分类号： G06F11/1466 , G06F2201/815
摘要： Embodiments of the present invention are directed to a method and system for optimizing mirror creation. The method includes receiving, within an electronic system, a request for creating a mirror of a portion of a volume and accessing a data structure comprising information about a plurality of regions of the volume. The method further includes determining a plurality of regions comprising non-zeros of the volume based on the data structure and copying only the plurality of regions comprising non-zeros to create the mirror.

6. 发明申请

US20120284707A1 METHOD AND SYSTEM FOR MIGRATING A SELECTED SET OF A VIRTUAL MACHINES BETWEEN VOLUMES 有权
标题翻译：用于移动所选择的一组虚拟机之间的方法和系统
公开(公告)号：US20120284707A1
公开(公告)日：2012-11-08
申请号：US13099247
申请日：2011-05-02
申请人： Viswesvaran Janakiraman
发明人： Viswesvaran Janakiraman
IPC分类号： G06F9/455
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/067
摘要： A method for migrating a selected set of virtual machines from a first volume to a second volume. The method includes receiving a list of virtual machines which are not migrating from a first volume to a second volume, accessing a host file system usage map of a host machine that indicates active blocks of the host file system, and accessing virtual file system usage maps of a plurality of virtual machines that indicate active blocks. A filter usage map that identifies the active blocks of the virtual machines which are not migrating is generated. The plurality of virtual machines are migrated from the first volume to the second volume, wherein the active blocks of the virtual file systems which are not migrating are skipped in accordance with the filter usage map. Subsequently, the metadata at the second volume is processed to reflect the virtual machines which were not migrated.
摘要翻译：一种用于将选定的一组虚拟机从第一卷迁移到第二卷的方法。该方法包括接收不从第一卷迁移到第二卷的虚拟机的列表，访问指示主机文件系统的活动块的主机的主机文件系统使用映射，以及访问虚拟文件系统使用映射指示活动块的多个虚拟机。生成标识未迁移的虚拟机的活动块的过滤器使用情况图。多个虚拟机从第一卷迁移到第二卷，其中根据过滤器使用图跳过不迁移的虚拟文件系统的活动块。随后，处理第二卷的元数据以反映未迁移的虚拟机。

7. 发明授权

US08555278B2 Method and system for migrating a selected set of virtual machines between volumes 有权
标题翻译：用于在卷之间迁移选定的一组虚拟机的方法和系统
公开(公告)号：US08555278B2
公开(公告)日：2013-10-08
申请号：US13099247
申请日：2011-05-02
申请人： Viswesvaran Janakiraman
发明人： Viswesvaran Janakiraman
IPC分类号： G06F9/455
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/067
摘要： A method for migrating a selected set of virtual machines from a first volume to a second volume. The method includes receiving a list of virtual machines which are not migrating from a first volume to a second volume, accessing a host file system usage map of a host machine that indicates active blocks of the host file system, and accessing virtual file system usage maps of a plurality of virtual machines that indicate active blocks. A filter usage map that identifies the active blocks of the virtual machines which are not migrating is generated. The plurality of virtual machines are migrated from the first volume to the second volume, wherein the active blocks of the virtual file systems which are not migrating are skipped in accordance with the filter usage map. Subsequently, the metadata at the second volume is processed to reflect the virtual machines which were not migrated.
摘要翻译：一种用于将选定的一组虚拟机从第一卷迁移到第二卷的方法。该方法包括接收不从第一卷迁移到第二卷的虚拟机的列表，访问指示主机文件系统的活动块的主机的主机文件系统使用映射，以及访问虚拟文件系统使用映射指示活动块的多个虚拟机。生成标识未迁移的虚拟机的活动块的过滤器使用情况图。多个虚拟机从第一卷迁移到第二卷，其中根据过滤器使用图跳过不迁移的虚拟文件系统的活动块。随后，处理第二卷的元数据以反映未迁移的虚拟机。

8. 发明授权

US08396841B1 Method and system of multi-level and multi-mode cloud-based deduplication 有权
标题翻译：多级和多模式云重复数据删除的方法和系统
公开(公告)号：US08396841B1
公开(公告)日：2013-03-12
申请号：US12956720
申请日：2010-11-30
申请人： Viswesvaran Janakiraman
发明人： Viswesvaran Janakiraman
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： G06F3/0608 , G06F3/062 , G06F3/0641 , G06F3/067 , G06F11/1453
摘要： A system, method, and medium for performing multi-level and multi-mode deduplication in a cloud based backup storage system. Fingerprints are generated for data segments from individual clients at a first level, with a separate fingerprint index for each individual client. The fingerprints are compared to their respective fingerprint indexes, and if the fingerprints are unique, then their associated data segments may be deduplicated across data segments from a plurality of clients at a second level. The fingerprints are compared to a common fingerprint index and deduplicated at a second level. The common fingerprint index contains fingerprints generated from data segments from a plurality of clients connected to the backup storage system.
摘要翻译：用于在基于云的备份存储系统中执行多级和多模式重复数据消除的系统，方法和介质。为第一级别的个别客户端的数据段生成指纹，并为每个单独的客户端分别提供指纹索引。将指纹与其各自的指纹索引进行比较，如果指纹是唯一的，则可以在第二级别的多个客户端的数据段上对其相关联的数据段进行重复数据删除。将指纹与常见的指纹索引进行比较，并在第二级进行重复数据删除。公共指纹索引包含从连接到备份存储系统的多个客户端的数据段生成的指纹。

9. 发明授权

US08392384B1 Method and system of deduplication-based fingerprint index caching 有权
标题翻译：基于重复数据消除的指纹索引缓存的方法和系统
公开(公告)号：US08392384B1
公开(公告)日：2013-03-05
申请号：US12965161
申请日：2010-12-10
申请人： Weibao Wu , Viswesvaran Janakiraman
发明人： Weibao Wu , Viswesvaran Janakiraman
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30156
摘要： A system, method, and medium for dynamically scaling the size of a fingerprint index in a deduplication storage system. Fingerprints are stored as entries in a fingerprint index, and the fingerprint index is scaled to fit into an in-memory cache to enable fast accesses to the index. A persistent copy of the full fingerprint index is stored on a non-volatile memory. The cached fingerprint index uses binary sampling to categorize half of the fingerprint entries as samples and protected, and the other half of the entries as non-samples and replaceable. When a search of the cached index results in a hit on a sample entry, all of the non-sample entries associated with the same container are copied from the persistent index to the cached index.
摘要翻译：用于在重复数据删除存储系统中动态缩放指纹索引大小的系统，方法和介质。指纹被存储为指纹索引中的条目，并且将指纹索引缩放以适应内存中的高速缓存以使得能够快速访问索引。完整的指纹索引的永久拷贝存储在非易失性存储器中。缓存的指纹索引使用二进制采样将一半的指纹条目分类为样本并保护，另一半条目作为非样本和替换。当对缓存的索引的搜索导致对样本条目的命中时，与同一容器相关联的所有非样本条目将从永久索引复制到缓存的索引。

10. 发明授权

US08290911B1 System and method for implementing data deduplication-aware copying of data 有权
标题翻译：用于实现重复数据删除的数据复制的系统和方法
公开(公告)号：US08290911B1
公开(公告)日：2012-10-16
申请号：US12495784
申请日：2009-06-30
申请人： Viswesvaran Janakiraman , Bruce Robert Montague
发明人： Viswesvaran Janakiraman , Bruce Robert Montague
IPC分类号： G06F7/00
CPC分类号： G06F17/30159
摘要： A system and method for implementing data deduplication-aware copying of data are provided. In response to a request to copy a source file between a source filesystem and a destination filesystem, file mapping information corresponding to the source file is retrieved. The file mapping information is stored in a source filesystem map. The source filesystem accesses a source logical volume. The source logical volume maps to a deduplication storage area. The destination filesystem accesses a destination logical volume. The destination logical volume maps to the deduplication storage area. The source file comprises data stored in the deduplication storage area. A destination file is allocated, based on the file mapping information, in the destination filesystem. The destination file is mapped to the data stored in the data deduplication storage area.
摘要翻译：提供了一种用于实现数据重复数据删除的数据复制的系统和方法。响应于在源文件系统和目的地文件系统之间复制源文件的请求，检索与源文件对应的文件映射信息。文件映射信息存储在源文件系统映射中。源文件系统访问源逻辑卷。源逻辑卷映射到重复数据消除存储区域。目标文件系统访问目标逻辑卷。目标逻辑卷映射到重复数据消除存储区域。源文件包括存储在重复数据消除存储区域中的数据。在目的地文件系统中，基于文件映射信息分配目的地文件。目标文件映射到存储在重复数据删除存储区域中的数据。

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