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公开(公告)号：US20160179568A1
公开(公告)日：2016-06-23
申请号：US14573976
申请日：2014-12-17
Applicant: c/o Microsoft Technology Licensing, LLC
Inventor： Angshuman Bezbaruah , Lars Reuther , Taylor O'Neil Brown , John Andrew Starks
CPC classification number: G06F11/1451 , G06F3/0619 , G06F3/065 , G06F3/067 , G06F9/45558 , G06F11/1446 , G06F2009/45579 , G06F2009/45591 , G06F2201/815 , G06F2201/84
Abstract: Embodiments are directed to establishing efficient virtual machine reference points and to specifying a virtual machine reference point to query incremental changes. In one scenario, a computer system accesses a stable virtual machine checkpoint that includes portions of underlying data stored in data storage, where the checkpoint is associated with a specific point in time. The computer system then queries the data storage to determine data storage identifiers that reference the point in time associated with the checkpoint and stores the determined data storage identifiers as a virtual machine reference point, where each subsequent change to the data storage results in an update to the data storage identifier, so that virtual machine reference point is usable to identify incremental changes from specific points in time on.
Abstract translation: 实施例涉及建立有效的虚拟机参考点并指定虚拟机参考点来查询增量变化。 在一种情况下，计算机系统访问稳定的虚拟机检查点，其包括存储在数据存储中的底层数据的部分，其中检查点与特定时间点相关联。 计算机系统然后查询数据存储器以确定引用与检查点相关联的时间点的数据存储标识符，并将确定的数据存储标识符存储为虚拟机参考点，其中对数据存储器的每个后续更改导致更新到 数据存储标识符，使得虚拟机参考点可用于识别来自特定时间点的增量更改。
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公开(公告)号：US09430272B2
公开(公告)日：2016-08-30
申请号：US14573976
申请日：2014-12-17
Applicant: c/o Microsoft Technology Licensing, LLC
Inventor： Angshuman Bezbaruah , Lars Reuther , Taylor O'Neil Brown , John Andrew Starks
CPC classification number: G06F11/1451 , G06F3/0619 , G06F3/065 , G06F3/067 , G06F9/45558 , G06F11/1446 , G06F2009/45579 , G06F2009/45591 , G06F2201/815 , G06F2201/84
Abstract: Embodiments are directed to establishing efficient virtual machine reference points and to specifying a virtual machine reference point to query incremental changes. In one scenario, a computer system accesses a stable virtual machine checkpoint that includes portions of underlying data stored in data storage, where the checkpoint is associated with a specific point in time. The computer system then queries the data storage to determine data storage identifiers that reference the point in time associated with the checkpoint and stores the determined data storage identifiers as a virtual machine reference point, where each subsequent change to the data storage results in an update to the data storage identifier, so that virtual machine reference point is usable to identify incremental changes from specific points in time on.
Abstract translation: 实施例涉及建立有效的虚拟机参考点并指定虚拟机参考点来查询增量变化。 在一种情况下，计算机系统访问稳定的虚拟机检查点，其包括存储在数据存储中的底层数据的部分，其中检查点与特定时间点相关联。 计算机系统然后查询数据存储器以确定引用与检查点相关联的时间点的数据存储标识符，并将确定的数据存储标识符存储为虚拟机参考点，其中对数据存储器的每个后续更改导致更新到 数据存储标识符，使得虚拟机参考点可用于识别来自特定时间点的增量更改。
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