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1. 发明申请

US20050076154A1 Method, system, and program for managing input/output (I/O) performance between host systems and storage volumes 有权
标题翻译：用于管理主机系统和存储卷之间的输入/输出（I / O）性能的方法，系统和程序
公开(公告)号：US20050076154A1
公开(公告)日：2005-04-07
申请号：US10663559
申请日：2003-09-15
申请人： David Chambliss , Bruce Hillsberg , Divyesh Jadav , Jaishankar Menon , Prashant Pandey , Jian Xu , Ramachandran Menon
发明人： David Chambliss , Bruce Hillsberg , Divyesh Jadav , Jaishankar Menon , Prashant Pandey , Jian Xu , Ramachandran Menon
IPC分类号： H04L29/08 , G06F3/00 , G06F15/16 , G06F15/173
CPC分类号： H04L67/1097 , H04L69/329
摘要： Provided are a method, system, and program for managing a network providing Input/Output (I/O) paths between a plurality of host systems and storage volumes in storage systems. An application service connection definition is provided for each connection from a host to a storage volume. At least one service level guarantee definition is provided indicating performance criteria to satisfy service requirements included in at least one service level agreement with at least one customer for network resources. Each service level guarantee definition is associated with at least one application service connection definition. Monitoring is performed as to whether Input/Output (I/O) requests transmitted through the multiple I/O paths satisfy performance criteria indicated in the service level guarantee definition associated with the I/O paths.
摘要翻译：提供了一种用于管理在多个主机系统和存储系统中的存储卷之间提供输入/输出（I / O）路径的网络的方法，系统和程序。为从主机到存储卷的每个连接提供应用程序服务连接定义。提供至少一个服务级别保证定义，其指示性能标准以满足包括在与至少一个客户的网络资源的至少一个服务级别协议中的服务要求。每个服务级别保证定义与至少一个应用服务连接定义相关联。执行关于通过多个I / O路径传输的输入/输出（I / O）请求是否满足与I / O路径相关联的服务级别保证定义中指示的性能标准的监视。

2. 发明申请

US20080021996A1 SYSTEM FOR ALLOCATING STORAGE PERFORMANCE RESOURCE 有权
标题翻译：分配存储性能资源的系统
公开(公告)号：US20080021996A1
公开(公告)日：2008-01-24
申请号：US11867031
申请日：2007-10-04
申请人： David Chambliss , Divyesh Jadav
发明人： David Chambliss , Divyesh Jadav
IPC分类号： G06F15/16
CPC分类号： G06F3/0659 , G06F3/0617 , G06F3/0653 , G06F3/067 , G06F11/3414 , G06F2206/1012
摘要： A method and structure for a multi-workload storage system is disclosed that is adapted to determine if an additional workload can be placed on the storage system. The invention has storage elements and a proxy load generator connected to the storage elements. The proxy load generator is adapted to create a proxy workload based on an additional workload from a potential client. The proxy workload has a reduced duty cycle when compared to a duty cycle of said additional workload. A control server is connected to the storage elements and the proxy load generator. The control server applies the proxy workload to the storage elements during discontinuous time slices.
摘要翻译：公开了一种用于多工作负载存储系统的方法和结构，其适于确定是否可以在存储系统上放置额外的工作负载。本发明具有连接到存储元件的存储元件和代理负载发生器。代理负载生成器适于基于潜在客户端的额外工作负载创建代理工作负载。与所述额外工作负载的占空比相比，代理工作负载具有减少的占空比。控制服务器连接到存储元件和代理负载生成器。控制服务器在不连续时间片段期间将代理工作负载应用于存储元件。

3. 发明授权

US07228354B2 Method for improving performance in a computer storage system by regulating resource requests from clients 有权
标题翻译：通过调整来自客户机的资源请求来提高计算机存储系统性能的方法
公开(公告)号：US07228354B2
公开(公告)日：2007-06-05
申请号：US10187227
申请日：2002-06-28
申请人： David Darden Chambliss , Divyesh Jadav
发明人： David Darden Chambliss , Divyesh Jadav
IPC分类号： G06F15/16
CPC分类号： H04L41/5022 , G06F11/1076 , H04L41/083 , H04L41/0896
摘要： A method and system for optimizing the performance of a storage system by classifying each client request for resources based on operational limits of the resources and controlling when to submit the request for processing based on service class. The operational limits are determined from performance characteristics of the system resources and from the level of performance guaranteed to each client. By regulating the clients' usage of resources using the resource operational limits, total system performance requirements and guarantees can be achieved.
摘要翻译：一种通过基于资源的操作限制对每个客户端资源请求进行分类来优化存储系统性能的方法和系统，并且基于服务类来控制何时提交处理请求。操作限制取决于系统资源的性能特征和从保证的性能水平到每个客户端。通过使用资源操作限制来规范客户的资源使用，可以实现系统总体性能要求和保证。

4. 发明授权

US07107403B2 System and method for dynamically allocating cache space among different workload classes that can have different quality of service (QoS) requirements where the system and method may maintain a history of recently evicted pages for each class and may determine a future cache size for the class based on the history and the QoS requirements 有权
标题翻译：在可以具有不同服务质量（QoS）要求的不同工作负载类别之间动态分配高速缓存空间的系统和方法，其中系统和方法可以维护每个类的最近被逐出的页面的历史，并且可以确定基于类的未来高速缓存大小关于历史和QoS要求
公开(公告)号：US07107403B2
公开(公告)日：2006-09-12
申请号：US10676464
申请日：2003-09-30
申请人： Dharmendra Shantilal Modha , Divyesh Jadav , Pawan Goyal , Renu Tewari
发明人： Dharmendra Shantilal Modha , Divyesh Jadav , Pawan Goyal , Renu Tewari
IPC分类号： G06F12/00 , G06F13/00
CPC分类号： G06F9/5016 , G06F12/0871 , G06F12/12 , G06F2212/282 , G06F2212/6042
摘要： A method and system for dynamically allocating cache space in a storage system among multiple workload classes each having a unique set of quality-of-service (QoS) requirements. The invention dynamically adapts the space allocated to each class depending upon the observed response time for each class and the observed temporal locality in each class. The dynamic allocation is achieved by maintaining a history of recently evicted pages for each class, determining a future cache size for the class based on the history and the QoS requirements where the future cache size might be different than a current cache size for the class, determining whether the QoS requirements for the class are being met, and adjusting the future cache size to maximize the number of classes in which the QoS requirements are met. The future cache sizes are increased for the classes whose QoS requirements are not met while they are decreased for those whose QoS requirements are met.
摘要翻译：一种用于在多个工作负载类别中动态地分配存储系统中的高速缓存空间的方法和系统，每个工作负载类别具有唯一的服务质量（QoS）要求。本发明根据每个类的观察到的响应时间和每个类中观察到的时间局部性动态地适应分配给每个类的空间。通过维护每个类别的最近被逐出的页面的历史来实现动态分配，基于历史和QoS要求确定将来的高速缓存大小，其中将来的高速缓存大小可能与该类的当前高速缓存大小不同，确定是否满足该类的QoS要求，以及调整未来的高速缓存大小以最大化满足QoS要求的类的数量。对于满足QoS要求的类，对于满足QoS要求的用户而言，对于不满足QoS要求的类，对于未来的高速缓存大小会有所增加。

5. 发明授权

US06332197B1 System for updating data in a multi-adaptor environment 失效
标题翻译：用于在多适配器环境中更新数据的系统
公开(公告)号：US06332197B1
公开(公告)日：2001-12-18
申请号：US09128574
申请日：1998-08-04
申请人： Divyesh Jadav , Deepak R. Kenchammana-Hosekote , Jaishankar Moothedath Menon
发明人： Divyesh Jadav , Deepak R. Kenchammana-Hosekote , Jaishankar Moothedath Menon
IPC分类号： G06F1100
CPC分类号： G06F11/1076 , G06F2211/1028
摘要： Disclosed is a system for updating and destaging data in a storage system. To overcome the limitations in the prior art described above, preferred embodiments of the present invention disclose a system for updating a data block in a storage device. A first processing unit receives an update to a data block in a storage device. The first processing unit sends a first message including the update and information indicating data blocks that were recently updated to a second processing unit. The second processing unit stores the update in a second storage area and sends a second message to the first processing unit after receiving the first message. The first processing unit stores the update in a first storage area and transfers the update from the first storage area to the data block in the storage device. The first processing unit transfers the update from the first storage area to the data block in the storage device. Data may be destaged from the first storage area by sending two messages before destage begins and two messages after destaging is completed so the second processing unit is aware of the state of the destaging operations.
摘要翻译：公开了一种用于更新和降级存储系统中的数据的系统。为了克服上述现有技术的限制，本发明的优选实施例公开了一种用于更新存储设备中的数据块的系统。第一处理单元接收对存储装置中的数据块的更新。第一处理单元将包括更新的第一消息和指示最近更新的数据块的信息发送到第二处理单元。第二处理单元将更新存储在第二存储区域中，并且在接收到第一消息之后向第一处理单元发送第二消息。第一处理单元将更新存储在第一存储区域中，并将更新从第一存储区域传送到存储设备中的数据块。第一处理单元将更新从第一存储区域传送到存储设备中的数据块。数据可以通过在开始运行之前发送两个消息并且在完成后的两个消息完成之后从第一个存储区域发送，所以第二个处理单元知道这些登录操作的状态。

6. 发明授权

US06272662B1 Distributed storage system using front-end and back-end locking 有权
标题翻译：分布式存储系统采用前端和后端锁定
公开(公告)号：US06272662B1
公开(公告)日：2001-08-07
申请号：US09129004
申请日：1998-08-04
申请人： Divyesh Jadav , Jaishankar Moothedath Menon , Kaladhar Voruganti
发明人： Divyesh Jadav , Jaishankar Moothedath Menon , Kaladhar Voruganti
IPC分类号： G11C2900
CPC分类号： G06F3/0607 , G06F3/0637 , G06F3/064 , G06F3/0689
摘要： Disclosed is a system for performing an operation, such as a read or write operation, on a data block in a shared disk system. A first adaptor receives a request to perform an operation on a data block maintained in a data storage location. The first adaptor then determines whether the first adaptor controls access to the data block. The first adaptor performs the requested operation on the data block after determining that the first adaptor controls access to the data block. If the first adaptor does not control access to the data block, then the first adaptor transmits a first message to a second adaptor that controls access to the data block and requests control of access to the data block. After receiving the first message, the second adaptor transfers control of access to the data block to the first adaptor. The second adaptor then transmits a second message to the first adaptor that the first adaptor controls access to the data block. After receiving the second message, the first adaptor performs the requested operation on the data block.
摘要翻译：公开了一种用于在共享磁盘系统中的数据块上执行诸如读取或写入操作的操作的系统。第一适配器接收对在数据存储位置中维护的数据块执行操作的请求。然后，第一适配器确定第一适配器是否控制对数据块的访问。确定第一个适配器控制对数据块的访问后，第一个适配器在数据块上执行请求的操作。如果第一适配器不控制对数据块的访问，则第一适配器将第一消息发送到控制对数据块的访问的第二适配器，并请求对数据块的访问的控制。在接收到第一消息之后，第二适配器将对数据块的访问控制传送到第一适配器。然后，第二适配器向第一适配器发送第二消息，第一适配器控制对数据块的访问。在接收到第二个消息之后，第一个适配器对数据块执行请求的操作。

7. 发明授权

US07539754B2 System for allocating storage performance resource 有权
标题翻译：用于分配存储性能资源的系统
公开(公告)号：US07539754B2
公开(公告)日：2009-05-26
申请号：US11867031
申请日：2007-10-04
申请人： David D. Chambliss , Divyesh Jadav
发明人： David D. Chambliss , Divyesh Jadav
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： G06F3/0659 , G06F3/0617 , G06F3/0653 , G06F3/067 , G06F11/3414 , G06F2206/1012
摘要： A method and structure for a multi-workload storage system is disclosed that is adapted to determine if an additional workload can be placed on the storage system. The invention has storage elements and a proxy load generator connected to the storage elements. The proxy load generator is adapted to create a proxy workload based on an additional workload from a potential client. The proxy workload has a reduced duty cycle when compared to a duty cycle of said additional workload. A control server is connected to the storage elements and the proxy load generator. The control server applies the proxy workload to the storage elements during discontinuous time slices.
摘要翻译：公开了一种用于多工作负载存储系统的方法和结构，其适于确定是否可以在存储系统上放置额外的工作负载。本发明具有连接到存储元件的存储元件和代理负载发生器。代理负载生成器适于基于潜在客户端的额外工作负载创建代理工作负载。与所述额外工作负载的占空比相比，代理工作负载具有减少的占空比。控制服务器连接到存储元件和代理负载生成器。控制服务器在不连续时间片段期间将代理工作负载应用于存储元件。

8. 发明授权

US07334032B2 System for allocating storage performance resource 有权
标题翻译：用于分配存储性能资源的系统
公开(公告)号：US07334032B2
公开(公告)日：2008-02-19
申请号：US10309606
申请日：2002-12-04
申请人： David D. Chambliss , Divyesh Jadav
发明人： David D. Chambliss , Divyesh Jadav
IPC分类号： G06F15/173 , G06F15/00
CPC分类号： G06F3/0659 , G06F3/0617 , G06F3/0653 , G06F3/067 , G06F11/3414 , G06F2206/1012
摘要： A method and structure for a multi-workload storage system is disclosed that is adapted to determine if an additional workload can be placed on the storage system. The invention has storage elements and a proxy load generator connected to the storage elements. The proxy load generator is adapted to create a proxy workload based on an additional workload from a potential client. The proxy workload has a reduced duty cycle when compared to a duty cycle of said additional workload. A control server is connected to the storage elements and the proxy load generator. The control server applies the proxy workload to the storage elements during discontinuous time slices.
摘要翻译：公开了一种用于多工作负载存储系统的方法和结构，其适于确定是否可以在存储系统上放置额外的工作负载。本发明具有连接到存储元件的存储元件和代理负载发生器。代理负载生成器适于基于潜在客户端的额外工作负载创建代理工作负载。与所述额外工作负载的占空比相比，代理工作负载具有减少的占空比。控制服务器连接到存储元件和代理负载生成器。控制服务器在不连续时间片段期间将代理工作负载应用于存储元件。

9. 发明授权

US06279138B1 System for changing the parity structure of a raid array 失效
标题翻译：改变阵列阵列的奇偶校验结构的系统
公开(公告)号：US06279138B1
公开(公告)日：2001-08-21
申请号：US09129012
申请日：1998-08-04
申请人： Divyesh Jadav , Deepak R. Kenchammana-Hosekote , Jaishankar Moothedath Menon
发明人： Divyesh Jadav , Deepak R. Kenchammana-Hosekote , Jaishankar Moothedath Menon
IPC分类号： G06F1100
CPC分类号： G06F11/1076 , G06F2211/1004
摘要： Disclosed is a system for altering the structure of parity groups, e.g., altering the RAID level or number of storage devices included in the RAID array. A parity group consists of a set of data blocks and parity data for the data blocks. The data and parity data are stored in at least two storage devices. The first processing unit alters the parity structure of an Nth set of parity groups, wherein N is an integer value greater than or equal to zero. A set of parity groups includes at least one parity group. The second processing unit determines an Nth range of parity groups including the Nth set of parity groups. After detecting the failure of the first processing unit while altering the parity structure of the parity groups in the Nth set, the second processing unit processes the parity groups in the determined Nth range to determine a parity group whose parity structure was being altered when the first processing unit failed.
摘要翻译：公开了一种用于改变奇偶校验组的结构的系统，例如改变包括在RAID阵列中的存储设备的RAID级别或数量。奇偶校验组由数据块的一组数据块和奇偶校验数据组成。数据和奇偶校验数据存储在至少两个存储设备中。第一处理单元更改第N组奇偶校验组的奇偶校验结构，其中N是大于或等于零的整数值。一组奇偶校验组包括至少一个奇偶校验组。第二处理单元确定包括第N组奇偶校验组的奇偶校验组的第N个范围。在检测到第N个组中奇偶校验组的奇偶校验结构的第一处理单元的检测失败之后，第二处理单元在确定的第N个范围内对奇偶校验组进行处理，以确定奇偶校验结构在第一个处理单元失败。

10. 发明授权

US07827283B2 System for managing and controlling storage access requirements 有权
标题翻译：用于管理和控制存储访问要求的系统
公开(公告)号：US07827283B2
公开(公告)日：2010-11-02
申请号：US10367444
申请日：2003-02-19
申请人： Vijay K. Naik , Vitthal Mahadeo Gogate , Divyesh Jadav , Inderpal Singh Narang , Prashant Pandey , Upendra Sharma , Pradeep Varma , Nagraj Alur
发明人： Vijay K. Naik , Vitthal Mahadeo Gogate , Divyesh Jadav , Inderpal Singh Narang , Prashant Pandey , Upendra Sharma , Pradeep Varma , Nagraj Alur
IPC分类号： G06F15/16 , G06F12/00
CPC分类号： H04L67/1095 , H04L29/06 , H04L67/1097 , H04L67/322 , H04L69/329
摘要： A Resource Management and Reservation System (RMRS) for managing and reserving storage bandwidth, is a platform independent middleware layer that provides an interface to applications, their database management systems, or some other higher level data management systems like ADRS which does data management on behalf of the applications. RMRS is highly relevant in hosted environments where one or more applications may be run on behalf of multiple customers each with a unique service level agreement with the Service Provider. Through its interface to the aforementioned applications, RMRS allows each application or an application side management system to communicate expected future storage access requirements (e.g., periodic access for backups). The interface also allows applications to request urgent storage access (e.g., recovery actions may be requested without being planned ahead of time).
摘要翻译：用于管理和保留存储带宽的资源管理和预留系统（RMRS）是一个独立于平台的中间件层，为应用程序，数据库管理系统或其他更高级别的数据管理系统（如代表数据管理的ADRS）提供接口的应用程序。 RMRS在托管环境中高度相关，其中可以代表多个客户运行一个或多个应用程序，每个客户与服务提供商具有唯一的服务级别协议。通过其与上述应用的接口，RMRS允许每个应用程序或应用程序侧管理系统传达预期的未来存储访问要求（例如，备份的定期访问）。该接口还允许应用程序请求紧急存储访问（例如，可以在不提前计划的情况下请求恢复动作）。

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