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    • 4. 发明申请
    • VIRTUAL ARRAY FAILOVER
    • WO2007076386A3
    • 2008-07-31
    • PCT/US2006062361
    • 2006-12-20
    • EMC CORPMADNANI KIRANOFER ADIBROWN JEFFREY A
    • MADNANI KIRANOFER ADIBROWN JEFFREY A
    • G06F11/20
    • G06F11/2094G06F3/0617G06F3/0647G06F3/067G06F11/1662G06F11/2082G06F11/2097
    • Failover is provided between groups of logical units of storage presented as virtual arrays. A primary virtual array has at least one primary virtual port coupled to a fabric, each primary virtual port having a source virtual port name and a source virtual port address. A secondary virtual array has one or more secondary virtual ports coupled to the fabric, each secondary virtual port having a secondary virtual port name and a virtual port address. All data resident on the primary virtual array is copied to the secondary virtual array. If a failure occurs in the primary virtual array, the secondary virtual port names and LUN names and numbers are replaced with the primary virtual port names and LUN names and numbers. The fabric updates its name server database so that the database associates the primary virtual port names and LUN names and numbers with the secondary virtual port addresses.
    • 在作为虚拟阵列呈现的逻辑存储单元组之间提供故障转移。 主虚拟阵列具有耦合到结构的至少一个主虚拟端口,每个主虚拟端口具有源虚拟端口名称和源虚拟端口地址。 辅助虚拟阵列具有耦合到该结构的一个或多个辅助虚拟端口,每个辅助虚拟端口具有辅助虚拟端口名称和虚拟端口地址。 驻留在主虚拟阵列上的所有数据都将复制到辅助虚拟阵列。 如果主虚拟阵列中发生故障,则辅助虚拟端口名称和LUN名称和数字将替换为主虚拟端口名称和LUN名称和数字。 Fabric更新其名称服务器数据库,以便数据库将主虚拟端口名称和LUN名称和数字与辅助虚拟端口地址相关联。
    • 5. 发明申请
    • METHODS AND APPARATUS FOR RECONFIGURING A STORAGE SYSTEM
    • 用于重新配置存储系统的方法和设备
    • WO2007081581A2
    • 2007-07-19
    • PCT/US2006049593
    • 2006-12-29
    • EMC CORPZELIKOV MIKHAILTODD STEPHEN JBROWN JEFFREY AESPY JAMES W
    • ZELIKOV MIKHAILTODD STEPHEN JBROWN JEFFREY AESPY JAMES W
    • G06F3/0661G06F3/0607G06F3/0617G06F3/0635G06F3/067G06F11/2092
    • One embodiment relates to a computer system comprising at least one host, at least one object addressable storage (OAS) system and at least one communication medium that couples the at least one host to the at least one OAS system. The at least one OAS system has a plurality of storage devices and stores a plurality of content units on the plurality of storage devices. Each of the at least one host and the at least one OAS system has software that provides a OAS interface so that each one of the content units stored on the OAS system may be identified between the at least one host and the at least one OAS using an object identifier. The computer system maps the object identifier for a first of the plurality of content units to at least one of the plurality of storage devices over at least one first path. In response to a failure that prevents the at least one host from accessing the first content unit via the at least one first path, the computer system is automatically reconfigured to establish at least one previously non-established second path that enables the at least one host to access the first content unit using the object identifier for the first content unit.
    • 一个实施例涉及一种包括至少一个主机,至少一个对象可寻址存储(OAS)系统和将所述至少一个主机耦合到所述至少一个OAS系统的至少一个通信介质的计算机系统。 该至少一个OAS系统具有多个存储设备并且在多个存储设备上存储多个内容单元。 至少一个主机和至少一个OAS系统中的每一个具有提供OAS接口的软件,使得存储在OAS系统上的每个内容单元可以在至少一个主机和至少一个OAS之间被识别, 一个对象标识符。 计算机系统通过至少一个第一路径将多个内容单元中的第一个的对象标识符映射到多个存储设备中的至少一个。 响应于防止所述至少一个主机经由所述至少一个第一路径访问所述第一内容单元的故障,所述计算机系统被自动重新配置以建立至少一个先前未建立的第二路径,所述第二路径使所述至少一个主机 使用第一内容单元的对象标识符访问第一内容单元。
    • 6. 发明申请
    • PRESENTATION OF VIRTUAL ARRAYS USING N-PORT ID VIRTUALIZATION
    • 使用N端口ID虚拟化的虚拟阵列的呈现
    • WO2007076382A2
    • 2007-07-05
    • PCT/US2006062353
    • 2006-12-20
    • EMC CORPOFER ADIMADNANI KIRANBROWN JEFFREY A
    • OFER ADIMADNANI KIRANBROWN JEFFREY A
    • G06F3/0637G06F3/0605G06F3/0689
    • A storage array presents virtual arrays to hosts through use of virtual port IDs. The storage array includes groups of logical units of storage. The groups are coupled to a switch through at least one physical port. Each group is assigned a unique virtual port ID for each physical port to which it is coupled. The virtual port IDs are assignable by the switch. The virtual port IDs are used by hosts coupled to the switch to exchange data with the groups to which the virtual port IDs are assigned. Further, a zoning table in the switch can associate each virtual port ID to a host facing port on the switch. In this case each host can communicate only with groups of logical units that are assigned virtual IDs associated with the host facing port to which it is coupled.
    • 存储阵列通过使用虚拟端口ID向主机呈现虚拟阵列。 存储阵列包括逻辑存储单元组。 这些组通过至少一个物理端口耦合到交换机。 为每个组分配与其耦合的每个物理端口唯一的虚拟端口ID。 虚拟端口ID可由交换机分配。 虚拟端口ID由耦合到交换机的主机用于与分配了虚拟端口ID的组交换数据。 此外,交换机中的分区表可以将每个虚拟端口ID与交换机上面向主机的端口相关联。 在这种情况下,每个主机只能与被分配与其所耦合的面向主机的端口相关联的虚拟ID的逻辑单元组通信。