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1. 发明授权

US07913056B2 Method to perform parallel data migration in a clustered storage environment 有权
标题翻译：在群集存储环境中执行并行数据迁移的方法
公开(公告)号：US07913056B2
公开(公告)日：2011-03-22
申请号：US12020609
申请日：2008-01-28
申请人： Michael F. Brown , Kiran P. Madnani , David W. DesRoches
发明人： Michael F. Brown , Kiran P. Madnani , David W. DesRoches
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F3/00 , G06F11/00 , G06F15/16
CPC分类号： G06F11/1666 , G06F3/061 , G06F3/0617 , G06F3/0647 , G06F3/067 , G06F11/20
摘要： A clustered storage array consists of multiple nodes coupled to one or more storage systems. The nodes provide a LUN-device for access by a client. The LUN-device maps to a source logical unit corresponding to areas of storage on the one or more storage systems. A target logical unit corresponds to different areas of storage on the one or more storage systems. The source logical unit is migrated in parallel by the multiple nodes to the target logical unit. Data to be copied from the source logical unit to the target logical unit are grouped into data chunks. Two or more of the plurality of nodes concurrently attempt to acquire an exclusive lock for a set of data chunks. The node acquiring the exclusive lock migrates the set of data chunks from the source logical unit to the target logical unit, while the exclusive lock is used to prevent other nodes from migrating the set of data chunks.
摘要翻译：集群存储阵列由耦合到一个或多个存储系统的多个节点组成。这些节点提供一个用于客户端访问的LUN设备。 LUN设备映射到对应于一个或多个存储系统上的存储区域的源逻辑单元。目标逻辑单元对应于一个或多个存储系统上的不同存储区域。源逻辑单元由多个节点并行迁移到目标逻辑单元。要从源逻辑单元复制到目标逻辑单元的数据被分组成数据块。多个节点中的两个或多个同时尝试获取一组数据块的排他锁。获取排他锁的节点将该组数据块从源逻辑单元迁移到目标逻辑单元，而使用排他锁来防止其他节点迁移该组数据块。

2. 发明授权

US07343467B2 Method to perform parallel data migration in a clustered storage environment 有权
标题翻译：在群集存储环境中执行并行数据迁移的方法
公开(公告)号：US07343467B2
公开(公告)日：2008-03-11
申请号：US11017554
申请日：2004-12-20
申请人： Michael F. Brown , Kiran P. Madnani , David W. DesRoches
发明人： Michael F. Brown , Kiran P. Madnani , David W. DesRoches
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F3/00 , G06F11/00 , G06F15/16
CPC分类号： G06F11/1666 , G06F3/061 , G06F3/0617 , G06F3/0647 , G06F3/067 , G06F11/20
摘要： A clustered storage array consists of several nodes coupled to one or more storage systems. The nodes provide a LUN-device for access by a client, the LUN-device mapping to a source logical unit corresponding to areas of storage on the one or more storage systems. A target logical unit corresponds to different areas of storage on the one or more storage systems. The source logical unit is migrated in parallel by the several nodes to the target logical unit.
摘要翻译：集群存储阵列由耦合到一个或多个存储系统的多个节点组成。这些节点提供用于客户端访问的LUN设备，LUN设备映射到与一个或多个存储系统上的存储区域对应的源逻辑单元。目标逻辑单元对应于一个或多个存储系统上的不同存储区域。源逻辑单元由多个节点并行迁移到目标逻辑单元。

3. 发明申请

US20080147942A1 Method to Perform Parallel Data Migration in a Clustered Storage Environment 有权
标题翻译：在集群存储环境中执行并行数据迁移的方法
公开(公告)号：US20080147942A1
公开(公告)日：2008-06-19
申请号：US12020609
申请日：2008-01-28
申请人： Michael F. Brown , Kiran P. Madnani , David W. DesRoches
发明人： Michael F. Brown , Kiran P. Madnani , David W. DesRoches
IPC分类号： G06F12/14
CPC分类号： G06F11/1666 , G06F3/061 , G06F3/0617 , G06F3/0647 , G06F3/067 , G06F11/20
摘要： A clustered storage array consists of multiple nodes coupled to one or more storage systems. The nodes provide a LUN-device for access by a client. The LUN-device maps to a source logical unit corresponding to areas of storage on the one or more storage systems. A target logical unit corresponds to different areas of storage on the one or more storage systems. The source logical unit is migrated in parallel by the multiple nodes to the target logical unit. Data to be copied from the source logical unit to the target logical unit are grouped into data chunks. Two or more of the plurality of nodes concurrently attempt to acquire an exclusive lock for a set of data chunks. The node acquiring the exclusive lock migrates the set of data chunks from the source logical unit to the target logical unit, while the exclusive lock is used to prevent other nodes from migrating the set of data chunks.
摘要翻译：集群存储阵列由耦合到一个或多个存储系统的多个节点组成。这些节点提供一个用于客户端访问的LUN设备。 LUN设备映射到对应于一个或多个存储系统上的存储区域的源逻辑单元。目标逻辑单元对应于一个或多个存储系统上的不同存储区域。源逻辑单元由多个节点并行迁移到目标逻辑单元。要从源逻辑单元复制到目标逻辑单元的数据被分组成数据块。多个节点中的两个或多个同时尝试获取一组数据块的排他锁。获取排他锁的节点将该组数据块从源逻辑单元迁移到目标逻辑单元，而使用排他锁来防止其他节点迁移该组数据块。

4. 发明授权

US08954522B1 Horizontal scaling through upper level protocol pre-processing 有权
标题翻译：通过上级协议预处理进行水平缩放
公开(公告)号：US08954522B1
公开(公告)日：2015-02-10
申请号：US11834904
申请日：2007-08-07
申请人： Kiran P. Madnani , Roy Clark
发明人： Kiran P. Madnani , Roy Clark
IPC分类号： G06F15/167
CPC分类号： H04L69/16 , H04L67/1097
摘要： An upper level protocol processing mechanism is employed with high performance offload processors to increase system performance while amortizing the cost of employing such processors. Such an upper level protocol processing mechanism can be employed to offload, for example, storage access protocols. An example system might have one or more clients and one or more servers each coupled to its respective storage. One or more front end processors is coupled between the clients and the servers. The clients access the storage coupled to the servers via a storage access protocol. In accordance with the invention, the storage access protocol is divided into a front end protocol portion and a back end protocol portion. The front end protocol portion is executed on the front end processors, while the back end protocol portion is executed on the servers. The back end protocol portion is transparent to the clients.
摘要翻译：与高性能卸载处理器一起使用上级协议处理机制来提高系统性能，同时分摊采用这种处理器的成本。这种上位协议处理机制可用于卸载例如存储访问协议。示例系统可以具有一个或多个客户端和一个或多个服务器，每个服务器耦合到其相应的存储器。一个或多个前端处理器耦合在客户端和服务器之间。客户端通过存储访问协议访问耦合到服务器的存储。根据本发明，存储访问协议被分为前端协议部分和后端协议部分。在前端处理器上执行前端协议部分，而在服务器上执行后端协议部分。后端协议部分对客户端是透明的。

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