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1. 发明授权

US08990533B1 Crash consistency 有权
标题翻译：碰撞一致性
公开(公告)号：US08990533B1
公开(公告)日：2015-03-24
申请号：US13684953
申请日：2012-11-26
申请人： EMC Corporation
发明人： Roy E Clark , John S Harwood , David Cohen
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/16 , G06F17/30 , G06F11/14
CPC分类号： G06F11/1471 , G06F17/30091 , G06F2201/84 , Y10S707/99953
摘要： A computer implemented method, system, and program product for data consistency comprising establishing a memory-mapped file, enabling the memory-mapped file data to be paged to the non-volatile storage medium, receiving, at a consistency layer, a write IO; wherein the write IO corresponds to a space on the storage medium, issuing a read IO to the storage medium, wherein the read IO corresponds to the space on the storage medium to be overwritten by the write IO, writing the data of the read IO to a undo log and writing the write IO to the storage medium.
摘要翻译：一种用于数据一致性的计算机实现的方法，系统和程序产品，包括建立存储器映射文件，使存储器映射文件数据能够被分页到非易失性存储介质，在一致性层处接收写入IO; 其中所述写入IO对应于所述存储介质上的空间，向所述存储介质发出读取的IO，其中所述读取的IO对应于由所述写入IO覆盖的所述存储介质上的空间，将读取的IO的数据写入一个撤销日志，并将写IO写入存储介质。

2. 发明授权

US09003106B1 Crash consistency 有权
标题翻译：碰撞一致性
公开(公告)号：US09003106B1
公开(公告)日：2015-04-07
申请号：US13803840
申请日：2013-03-14
申请人： EMC Corporation
发明人： Roy E Clark , John S Harwood , David Cohen
IPC分类号： G06F12/02 , G06F12/14
CPC分类号： G06F12/1416 , G06F11/1471 , G06F12/0246 , G06F2201/84 , Y10S707/99953
摘要： A system, method, and computer program product for establishing a memory-mapped file, enabling the memory-mapped file data to be paged to a non-volatile storage medium, marking a portion of the memory-mapped file as protected, wherein a write to the memory mapped file throws a segmentation fault; receiving a write at the memory mapped file, throwing a segmentation fault; and handling the segmentation fault in a segmentation handler, where the handling comprises reading the information in the memory mapped file facility into the undo log, and writing the write IO to the storage medium.
摘要翻译：一种用于建立存储器映射文件的系统，方法和计算机程序产品，使得能够将所述存储器映射文件数据分页到非易失性存储介质，将所述存储器映射文件的一部分标记为受保护的，其中写入对内存映射文件引发分段错误; 在存储器映射文件中接收写入，引发分段错误; 以及处理分段处理器中的分段故障，其中处理包括将存储器映射文件设施中的信息读入撤销日志，以及将写IO写入存储介质。

3. 发明授权

US09363141B1 System and method for partitioning a network 有权
标题翻译：用于分区网络的系统和方法
公开(公告)号：US09363141B1
公开(公告)日：2016-06-07
申请号：US14042180
申请日：2013-09-30
申请人： EMC Corporation
发明人： Donagh Buckley , David Cohen , Qing Ye
IPC分类号： H04L12/24
CPC分类号： H04L41/0893 , H04L41/0896
摘要： A method and computer program product for defining a first subnet for a first end portion of a physical network. The first subnet includes: a first NIC IP address, a first gateway IP address, and a first logical path connecting the first NIC IP address and the first gateway IP address. A second subnet is defined for a second end portion of the physical network. The second subnet includes: a second NIC IP address, a second gateway IP address, and a second logical path connecting the second NIC IP address and the second gateway IP address. A supernet is defined for a central portion of the physical network. The first subnet is coupled to the second subnet via the supernet to enable point-to-point routing of data through the physical network.
摘要翻译：一种用于为物理网络的第一端部分定义第一子网的方法和计算机程序产品。第一子网包括：第一NIC IP地址，第一网关IP地址和连接第一NIC IP地址和第一网关IP地址的第一逻辑路径。为物理网络的第二端部分定义第二子网。第二子网包括：第二NIC IP地址，第二网关IP地址和连接第二NIC IP地址和第二网关IP地址的第二逻辑路径。为物理网络的中心部分定义了超集。第一个子网通过超级网络耦合到第二个子网，以实现数据通过物理网络的点到点路由。

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