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公开(公告)号：US20130054533A1
公开(公告)日：2013-02-28
申请号：US13216960
申请日：2011-08-24
IPC分类号： G06F7/00
CPC分类号： G06F16/128 , G06F11/14 , G06F11/1458 , G06F16/00 , G06F2201/84
摘要： The subject disclosure is directed towards verifying a data recovery component of a volume snapshot service using a managed interface. The managed interface enables interoperability between the data recovery component and one or more complementary data recovery components by converting compatible instructions for the data recovery component and a complementary data recovery component into native data recovery operations for the volume snapshot service and vice versa. Via the managed interface, the complementary data recovery component emulates the native data recovery operations. Using status information associated with such an emulation, the data recovery component is verifiable.
摘要翻译： 本发明涉及使用受管理的接口来验证卷快照服务的数据恢复组件。 托管接口通过将数据恢复组件和补充数据恢复组件的兼容指令转换为卷快照服务的本机数据恢复操作，从而实现数据恢复组件和一个或多个互补数据恢复组件之间的互操作性，反之亦然。 通过托管界面，补充数据恢复组件模拟本机数据恢复操作。 使用与这种仿真相关联的状态信息，数据恢复组件是可验证的。
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公开(公告)号：US07877553B2
公开(公告)日：2011-01-25
申请号：US11834028
申请日：2007-08-06
IPC分类号： G06F13/00
CPC分类号： G06F11/2074 , G06F11/2041 , G06F11/2048 , G06F17/30088
摘要： Aspects of the subject matter described herein relate to sharing volume data via shadow copies. In aspects, an active computer creates a shadow copy of a volume. The shadow copy is exposed to one or more passive computers that may read but not write to the volume. A passive computer may obtain data from the shadow copy by determining whether the data has been written to a differential area and, if so, reading it from the differential area. If the data has not been written to the differential area, the passive computer may obtain it by first reading it from the volume, then re-determining whether it has been written to the differential area, and if so, reading the data from the differential area. Otherwise, the data read from the volume corresponds to the data needed for the shadow copy.
摘要翻译： 本文描述的主题的方面涉及通过卷影副本共享卷数据。 在方面，活动计算机创建卷的卷影副本。 影子副本暴露给可能读取但不写入卷的一个或多个被动计算机。 无源计算机可以通过确定数据是否被写入差分区域而从影子拷贝获得数据，如果是，则从差分区域读取数据。 如果数据尚未写入差分区域，则无源计算机可以通过首先从卷中读取数据，然后重新确定是否将其写入差分区域，如果是，则从差分读取数据 区。 否则，从卷读取的数据对应于卷影副本所需的数据。
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3.发明申请Method and system to simulate delays in geographically distributed computing environments 审中-公开用于模拟地理分布式计算环境中的延迟的方法和系统公开(公告)号：US20060193263A1
公开(公告)日：2006-08-31
申请号：US11066077
申请日：2005-02-25
CPC分类号： H04L12/16 , H04L43/0858 , H04L43/10
摘要： Systems and methods are described for implementing a delay driver within a cluster service storage stack, which delay driver simulates the latency experienced between two nodes in geographically distant locations. The delay driver determines whether I/O request packets should be delayed, selects the number and types of I/O requests packets to be delayed and the amount of time to delay processing of the packets. Through the use of such a driver, a user is able to simulate various conditions that geoclusters may experience when separated over large distances.
摘要翻译： 描述了用于在集群服务存储堆栈内实现延迟驱动器的系统和方法，该延迟驱动器模拟在地理上遥远的位置中的两个节点之间经历的延迟。 延迟驱动器确定I / O请求数据包是否应该被延迟，选择要延迟的I / O请求数据包的数量和类型以及延迟处理数据包的时间量。 通过使用这样的驱动程序，用户能够模拟地质团簇在大距离上分离时可能遇到的各种条件。
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公开(公告)号：US20090043968A1
公开(公告)日：2009-02-12
申请号：US11834028
申请日：2007-08-06
IPC分类号： G06F12/06
CPC分类号： G06F11/2074 , G06F11/2041 , G06F11/2048 , G06F17/30088
摘要： Aspects of the subject matter described herein relate to sharing volume data via shadow copies. In aspects, an active computer creates a shadow copy of a volume. The shadow copy is exposed to one or more passive computers that may read but not write to the volume. A passive computer may obtain data from the shadow copy by determining whether the data has been written to a differential area and, if so, reading it from the differential area. If the data has not been written to the differential area, the passive computer may obtain it by first reading it from the volume, then re-determining whether it has been written to the differential area, and if so, reading the data from the differential area. Otherwise, the data read from the volume corresponds to the data needed for the shadow copy.
摘要翻译： 本文描述的主题的方面涉及通过卷影副本共享卷数据。 在方面，活动计算机创建卷的卷影副本。 影子副本暴露给可能读取但不写入卷的一个或多个被动计算机。 无源计算机可以通过确定数据是否被写入差分区域而从影子拷贝获得数据，如果是，则从差分区域读取数据。 如果数据尚未写入差分区域，则无源计算机可以通过首先从卷中读取数据，然后重新确定是否将其写入差分区域，如果是，则从差分读取数据 区。 否则，从卷读取的数据对应于卷影副本所需的数据。
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