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1. 发明授权

US08825969B2 Eliminating duplicate data by sharing file system extents 有权
标题翻译：通过共享文件系统盘区消除重复数据
公开(公告)号：US08825969B2
公开(公告)日：2014-09-02
申请号：US12955770
申请日：2010-11-29
申请人： Vivek Gupta , Ameet Pyati , Satish Singhal , Pawan Saxena
发明人： Vivek Gupta , Ameet Pyati , Satish Singhal , Pawan Saxena
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F17/30156 , G06F3/0608 , G06F3/0619 , G06F3/0641 , G06F3/0686 , G06F2003/0694
摘要： A hardware and/or software facility to enable emulated storage devices to share data stored on physical storage resources of a storage system. The facility may be implemented on a virtual tape library (VTL) system configured to back up data sets that have a high level of redundancy on multiple virtual tapes. The facility organizes all or a portion of the physical storage resources according to a common store data layout. By enabling emulated storage devices to share data stored on physical storage resources, the facility enables deduplication across the emulated storage devices irrespective of the emulated storage device to which the data is or was originally written, thereby eliminating duplicate data on the physical storage resources and improving the storage consumption of the emulated storage devices on the physical storage resources.
摘要翻译：一种用于使仿真存储设备共享存储在存储系统的物理存储资源上的数据的硬件和/或软件设施。该设施可以在配置为备份在多个虚拟磁带上具有高冗余级别的数据集的虚拟磁带库（VTL）系统上实现。该设施根据公共商店数据布局组织物理存储资源的全部或部分。通过启用仿真存储设备来共享存储在物理存储资源上的数据，该设施可以在仿真存储设备上进行重复数据删除，而不管数据是或最初写入的仿真存储设备，从而消除物理存储资源上的重复数据，并改善模拟存储设备对物理存储资源的存储消耗。

2. 发明申请

US20110145523A1 ELIMINATING DUPLICATE DATA BY SHARING FILE SYSTEM EXTENTS 有权
标题翻译：通过共享文件系统来排除复制数据
公开(公告)号：US20110145523A1
公开(公告)日：2011-06-16
申请号：US12955770
申请日：2010-11-29
申请人： Vivek Gupta , Ameet Pyati , Satish Singhal , Pawan Saxena
发明人： Vivek Gupta , Ameet Pyati , Satish Singhal , Pawan Saxena
IPC分类号： G06F12/00
CPC分类号： G06F17/30156 , G06F3/0608 , G06F3/0619 , G06F3/0641 , G06F3/0686 , G06F2003/0694
摘要： A hardware and/or software facility to enable emulated storage devices to share data stored on physical storage resources of a storage system. The facility may be implemented on a virtual tape library (VTL) system configured to back up data sets that have a high level of redundancy on multiple virtual tapes. The facility organizes all or a portion of the physical storage resources according to a common store data layout. By enabling emulated storage devices to share data stored on physical storage resources, the facility enables deduplication across the emulated storage devices irrespective of the emulated storage device to which the data is or was originally written, thereby eliminating duplicate data on the physical storage resources and improving the storage consumption of the emulated storage devices on the physical storage resources.
摘要翻译：一种用于使仿真存储设备共享存储在存储系统的物理存储资源上的数据的硬件和/或软件设施。该设施可以在配置为备份在多个虚拟磁带上具有高冗余级别的数据集的虚拟磁带库（VTL）系统上实现。该设施根据公共商店数据布局组织物理存储资源的全部或部分。通过启用仿真存储设备来共享存储在物理存储资源上的数据，该设施可以在仿真存储设备上进行重复数据删除，而不管数据是或最初写入的仿真存储设备，从而消除物理存储资源上的重复数据，并改进模拟存储设备对物理存储资源的存储消耗。

3. 发明授权

US08473708B1 Method and system for managing storage units 有权
公开(公告)号：US08473708B1
公开(公告)日：2013-06-25
申请号：US12978212
申请日：2010-12-23
申请人： Satish Singhal , Abhishek Naidu , Ameet Pyati
发明人： Satish Singhal , Abhishek Naidu , Ameet Pyati
IPC分类号： G06F12/08
CPC分类号： G06F12/0292 , G06F3/0619 , G06F3/0644 , G06F3/0652 , G06F3/0686 , G06F12/02 , G06F12/0223
摘要： Method and system for managing storage units are provided. A free space module scans a storage unit data structure and a reference data structure to generate an intermediate data structure that identifies storage units that are not referenced by any storage unit client. A lookup module is initiated and the storage unit clients are notified that all new references to any storage unit should be verified with the lookup module. The free space module then verifies if any of the storage units in the intermediate data structure have been referenced since the intermediate data structure was created. Any referenced storage units are removed from the intermediate data structure and a data structure identifying unreferenced storage units is generated. The data structure is then used to allocate the identified storage units.

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