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    • 4. 发明申请
    • SYSTEMS FOR MANAGING DATA STORAGE
    • 用于管理数据存储的系统
    • WO2004066278A2
    • 2004-08-05
    • PCT/US2004/001632
    • 2004-01-21
    • EQUALLOGIC, INC.KONING, Paul, G.HAYDEN, Peter, C.LONG, PaulaSUMAN, Daniel, E.LEE, Hsin, H.
    • KONING, Paul, G.HAYDEN, Peter, C.LONG, PaulaSUMAN, Daniel, E.LEE, Hsin, H.
    • G11B
    • G06F3/0613G06F3/0647G06F3/067G06F9/5088G06F11/1464G06F11/1466G06F17/30197G06F2201/84G06F2206/1012H04L67/1002H04L67/1008H04L67/101H04L67/1017H04L67/1029H04L67/1034H04L67/1095H04L67/1097H04L67/2895
    • Systems for managing data storage are described. The systems manage responses to requests from a plurality of clients for access to a set of resources, and more efficiently responds to client load changes in storage area network (SAN) by migrating data blocks while providing continuous data access. The systems include a plurality of optionally equivalent servers wherein the set of resources is partitioned across these servers. Each (equivalent) server has a load monitor process that can communicate with the other load monitor processes for generating a measure of the client load on the server system and the client load on each of the respective servers. The system further comprises a resource distribution process that redistribute the client load by repartitioning the set of resources in response to the measured system load. In addition, each server may include a routing table that includes a reference for each resource that is maintained on the partitioned resource server. Requests from a client are processed as a function of the routing table to route the request to the individual server that maintains or has control over the resource of interest. For archiving purposes, a snapshot process may operate on a server, optionally in cooperation with other snapshot processes for generating state information representative of the state of the partitioned storage volume.
    • 描述用于管理数据存储的系统。 系统管理对来自多个客户端的请求的响应以访问一组资源,并且通过在提供连续数据访问的同时迁移数据块来更有效地响应存储区域网络(SAN)中的客户端负载变化。 这些系统包括多个可选地等效的服务器,其中该组资源在这些服务器之间进行分区。 每个(等效的)服务器具有负载监视进程,该进程可以与其他负载监视进程进行通信,以生成服务器系统上的客户端负载的度量以及每个相应服务器上的客户端负载。 该系统还包括资源分配过程,其通过响应于所测量的系统负载重新分配该资源集合来重新分配客户端负载。 此外,每个服务器可以包括路由表,其包括在分区资源服务器上维护的每个资源的引用。 来自客户端的请求作为路由表的功能被处理,以将请求路由到维护或控制感兴趣的资源的各个服务器。 为了归档目的,快照进程可以在服务器上操作,可选地与其他快照进程协作来产生表示分区存储卷的状态的状态信息。
    • 5. 发明申请
    • SYSTEMS FOR MANAGING DATA STORAGE
    • 用于管理数据存储的系统
    • WO2004066278A3
    • 2006-03-02
    • PCT/US2004001632
    • 2004-01-21
    • EQUALLOGIC INCKONING PAUL GHAYDEN PETER CLONG PAULASUMAN DANIEL ELEE HSIN H
    • KONING PAUL GHAYDEN PETER CLONG PAULASUMAN DANIEL ELEE HSIN H
    • G06F9/50G06F17/30H04L29/08
    • G06F3/0613G06F3/0647G06F3/067G06F9/5088G06F11/1464G06F11/1466G06F17/30197G06F2201/84G06F2206/1012H04L67/1002H04L67/1008H04L67/101H04L67/1017H04L67/1029H04L67/1034H04L67/1095H04L67/1097H04L67/2895
    • Systems for managing data storage are described. The systems manage responses to requests from a plurality of clients for access to a set of resources, and more efficiently responds to client load changes in storage area network (SAN) by migrating data blocks while providing continuous data access. The systems include a plurality of optionally equivalent servers wherein the set of resources is partitioned across these servers. Each (equivalent) server has a load monitor process that can communicate with the other load monitor processes for generating a measure of the client load on the server system and the client load on each of the respective servers. The system further comprises a resource distribution process that redistribute the client load by repartitioning the set of resources in response to the measured system load. In addition, each server may include a routing table that includes a reference for each resource that is maintained on the partitioned resource server. Requests from a client are processed as a function of the routing table to route the request to the individual server that maintains or has control over the resource of interest. For archiving purposes, a snapshot process may operate on a server, optionally in cooperation with other snapshot processes for generating state information representative of the state of the partitioned storage volume.
    • 描述用于管理数据存储的系统。 系统管理对来自多个客户端的请求的响应以访问一组资源,并且通过在提供连续数据访问的同时迁移数据块来更有效地响应存储区域网络(SAN)中的客户端负载变化。 这些系统包括多个可选地等效的服务器,其中该组资源在这些服务器之间进行分区。 每个(等效的)服务器具有负载监视进程,该进程可以与其他负载监视进程进行通信,以生成服务器系统上的客户端负载的度量以及每个相应服务器上的客户端负载。 该系统还包括资源分配过程,其通过响应于所测量的系统负载重新分配该资源集合来重新分配客户端负载。 此外,每个服务器可以包括路由表,其包括在分区资源服务器上维护的每个资源的引用。 来自客户端的请求作为路由表的功能被处理,以将请求路由到维护或控制感兴趣的资源的各个服务器。 为了归档目的,快照进程可以在服务器上操作,可选地与其他快照进程协作来产生表示分区存储卷的状态的状态信息。
    • 7. 发明申请
    • DATA STORAGE SYSTEMS
    • 数据存储系统
    • WO2004066277A2
    • 2004-08-05
    • PCT/US2004/001432
    • 2004-01-20
    • EQUALLOGIC, INC.KONING, Paul, G.HAYDEN, Peter, C.LONG, PaulaGILLUM, Kirtley, C.SUMAN, Daniel, E.SCHOTT, Eric, R.
    • KONING, Paul, G.HAYDEN, Peter, C.LONG, PaulaGILLUM, Kirtley, C.SUMAN, Daniel, E.SCHOTT, Eric, R.
    • G11B
    • G06F3/064G06F3/0605G06F3/0646G06F3/067G06F3/0689G06F11/0766G06F11/1008G06F17/30115G06F17/30197H04L67/1002H04L67/1008H04L67/1029H04L67/1095H04L67/1097H04L69/329
    • Systems and methods for efficiently mapping data storage systems are described. In one practice, a partitioned resource server includes a plurality of individual servers, which appear to be equivalent to a client. Each of the individual servers may include a routing table that includes a reference for each resource that is maintained on the partitioned resource server. Requests from a client are processed as a function of the routing table to route the request to the individual server that maintains or has control over the resource of interest. The server can provide differentiated classes of storage organized by logical block names. Also described is a process whereby a server detects a request from a client for access to a resource and establishes a connection for communicating with the client. The process then identifies a server available for servicing the detected request, and determines whether state information is associated with the connection. The process then grants the identified server access to the state information and allows the identified server to create and transmit a response to the client, also allowing the identified server to update the state information.
    • 描述了有效地映射数据存储系统的系统和方法。 在一个实践中,分区资源服务器包括多个单独的服务器,其似乎等同于客户机。 每个单独的服务器可以包括路由表,其包括在分区资源服务器上维护的每个资源的引用。 来自客户端的请求作为路由表的功能被处理,以将请求路由到维护或控制感兴趣资源的各个服务器。 服务器可以提供由逻辑块名称组织的差异化的存储类。 还描述了一种过程,其中服务器检测到客户端访问资源的请求,并建立与客户端进行通信的连接。 然后,该过程识别可用于服务检测到的请求的服务器,并且确定状态信息是否与连接相关联。 该过程然后授权所识别的服务器对状态信息的访问,并允许所识别的服务器创建并发送对客户端的响应,还允许所识别的服务器更新状态信息。