WO2012089141A1 - 存储系统、设备及其连接配置方法 - Google Patents

存储系统、设备及其连接配置方法 Download PDF

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Publication number
WO2012089141A1
WO2012089141A1 PCT/CN2011/084906 CN2011084906W WO2012089141A1 WO 2012089141 A1 WO2012089141 A1 WO 2012089141A1 CN 2011084906 W CN2011084906 W CN 2011084906W WO 2012089141 A1 WO2012089141 A1 WO 2012089141A1
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WO
WIPO (PCT)
Prior art keywords
storage system
routing information
control board
adapter card
connection configuration
Prior art date
Application number
PCT/CN2011/084906
Other languages
English (en)
French (fr)
Inventor
罗姣林
Original Assignee
成都市华为赛门铁克科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 成都市华为赛门铁克科技有限公司 filed Critical 成都市华为赛门铁克科技有限公司
Priority to EP11853864.4A priority Critical patent/EP2648101B1/en
Publication of WO2012089141A1 publication Critical patent/WO2012089141A1/zh
Priority to US13/727,063 priority patent/US9170959B2/en
Priority to US14/866,356 priority patent/US10203963B2/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/142—Reconfiguring to eliminate the error
    • G06F11/1423—Reconfiguring to eliminate the error by reconfiguration of paths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2005—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication controllers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2017—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where memory access, memory control or I/O control functionality is redundant
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus

Definitions

  • the present invention relates to the field of data storage technologies, and in particular, to a storage system connection configuration method, device, and storage system thereof. Background technique
  • FIG. 1 is a hardware structure diagram of a storage system in the prior art.
  • both the user host 1 and the disk enclosure 2 are directly connected to respective adapter cards 3, and the adapter card 3 passes through PCIe (The personal computer extended bus interface specification (a type of PC T bus) is connected to the north bridge 4 and further connected to the central processing unit CPU 5, wherein since the CPU 5 does not have a direct bus interface, the chip can be realized with the external device through the chip of the north bridge 4 (
  • the adapter card 3 is used to implement a specific physical link protocol to send or receive requests through the physical link, and the CPU 5 is also configured with the memory chip 6.
  • the adapter card 3 connected to the user host 1 is called a front-end adapter card.
  • the adapter card is called a back-end adapter card.
  • control board serves a group of user hosts at the front end, and is also equipped with a plurality of disk frames, and further constitutes an independent one, including a control board.
  • Storage subsystem that is, in a storage subsystem, for a user host, it can only request storage or read data to a control panel, and for a disk enclosure, it is controlled by only one control panel. .
  • Embodiments of the present invention provide a storage system connection configuration method, device, and storage system thereof, which are used to improve system stability of a storage system.
  • the embodiment of the invention provides a storage system connection configuration method, including:
  • routing information table Querying, from the routing information table, routing information associated with the failed control board, where the routing information is routing information between the external device and the control board;
  • Modifying the queried routing information modifying the routing address of the failed control board in the routing information to a routing address of an unexpired control board, and storing the modified routing information.
  • the embodiment of the present invention further provides a storage system connection configuration device, including: a first acquisition module, configured to acquire information of a failure control board in a storage system;
  • a storage module configured to store a routing information table including routing information between the external device and the control board;
  • a querying module configured to query, from the routing information table, routing information associated with the failed control panel
  • the routing information modification module is configured to modify the queried routing information, modify the routing address of the invalidation control board in the routing information to a routing address of an unexpired control board, and store the routing address in the storage module.
  • the embodiment of the present invention further provides a storage system, including a front-end adapter card for connecting to a user host, a back-end adapter card for connecting a disk frame, and two or more control boards, including the foregoing storage system connection configuration.
  • the device is connected to the front end adapter card and the back end adapter card, and the storage system is connected to the other side of the configuration device. Connect to more than two control panels at the same time.
  • the storage system connection configuration method, device and storage system thereof provided by the embodiment of the present invention, by setting a connection configuration device, the device acquires the failure control board information in the storage system, and modifies the routing information of the failure control board, and then according to the modification
  • the post routing information is processed by the service, that is, the service board is provided by the non-failed control board, which can improve the stability of the storage system.
  • FIG. 1 is a hardware structural diagram of a storage system in the prior art
  • FIG. 2 is a schematic flowchart of an embodiment of a storage system connection configuration method according to the present invention
  • FIG. 3 is a schematic diagram of routing information in an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an embodiment of a storage system connection configuration device according to the present invention.
  • FIG. 5 is a schematic diagram of an apparatus according to Embodiment 1 of a storage system according to the present invention.
  • FIG. 6 is a schematic diagram of a device according to Embodiment 2 of the storage system of the present invention. detailed description
  • the embodiment of the present invention provides a technical solution, which can implement the user host or the disk frame through the adapter card. Multiple control boards are connected. When a certain control board fails, the user equipment associated with it can be connected with other non-failed control boards by modifying the routing information, and the non-failed control board provides services for the external user equipment. Improve the stability of the storage system.
  • FIG. 2 is a schematic flowchart of an embodiment of a storage system connection configuration method according to the present invention. As shown in FIG. 2, the method is as follows:
  • Step 101 Obtain information about the failure control board in the storage system.
  • Step 102 Query, from the routing information table, routing information associated with the failed control board, where the routing information is routing information between the external device and the control board;
  • Step 103 Modify the queried routing information, modify the routing address of the invalidation control board in the routing information to a routing address of the non-failed control board, and store the modified routing information.
  • the storage system connection configuration method provided in the foregoing embodiment of the present invention first obtains the failure control board information in the storage system, and queries the pre-stored routing information related to the control board, for example, as shown in FIG. 3, in the connection configuration device.
  • the routing information from the control board to the front-end adapter card, the routing information from the control board to the back-end adapter card, and the routing information are modified, that is, the route of the external device and the control board is reconfigured, and the extension of the storage system is modified.
  • the simple structure enables the above external device to be served by other control boards, which can effectively provide the stability of the storage system, and the specific beneficial effects include two aspects, one is in the case that the control board is damaged or the line connection failure occurs. , can still communicate with external devices, and thus provide services for users; Second, it may support some of the control boards in a dormant state, and does not affect the service provided to the user hosts.
  • the querying, in the foregoing step 102, the routing information associated with the fail control panel from the routing information table may be: querying, by the routing information table, routing information of the fail control board and the front end adapter card, and routing information from the routing information table.
  • the information table queries the routing information of the fail control board and the backend adapter card.
  • the control may be invalidated.
  • the board provides services for external devices. Specifically, when the external device is a front-end adapter card, the foregoing method may further include:
  • obtaining the information of the control panel that fails in the storage system in the foregoing embodiment may be implemented by the following method:
  • the detection board can be sent to the control board in the storage system to confirm that the control board is damaged when the detection response is not received within the preset time threshold.
  • the method may be the time consumed by the process in the system, and normal. In the case of the device's reaction time and other factors to obtain;
  • the control board can be sent to the control board to send a sleep message when the control board is dormant, the control board insomnia message can be specifically forwarded by the North Bridge.
  • FIG. 4 is a schematic structural diagram of an embodiment of a storage system connection configuration device according to the present invention.
  • the first obtaining module 11 is configured to acquire the failing control board information in the storage system
  • the storage module 12 is configured to store the external device and the control board.
  • the routing information table of the routing information is configured to query the routing information associated with the failed control board from the routing information table
  • the routing information modifying module 14 is configured to modify the queried routing information, The routing address of the failed control board in the routing information is modified to a routing address of an unfailed control board and stored in the storage module 12.
  • the storage system configuration device provided in the foregoing embodiment of the present invention, after the first obtaining module 1 1 obtains the failure of the control board, queries the routing information related to the control board stored in the pre-storage module, including the control board and the front end.
  • the routing information of the adapter card, the routing information of the control board and the back-end adapter card, and the modification of the routing information that is, reconfiguring the routing of the external device and the control board, and modifying the topology of the storage system, so that the above External device can be
  • Other control boards provide services for them, which can effectively provide the stability of the storage system.
  • the specific beneficial effects include two aspects. One is that when the control board is damaged or the line connection is faulty, communication with the external device can still be performed. Provide services for users; Second, it may support that some control boards are in a dormant state, and does not affect the service provided to user hosts.
  • the routing message mentioned in the foregoing embodiment of the present invention may include routing information of the storage control board and the front-end adapter card, and routing information of the control board and the back-end adapter card.
  • the above device further includes a service processing module 15.
  • the service processing module 15 is configured to receive a data storage request or a data read request initiated by a user host forwarded by the front-end adapter card, and forward the data storage request to a non-failed control board according to the modified routing information.
  • the storage system connection configuration device provided in the foregoing embodiment of the present invention, wherein the first acquisition module 11 may further include a detection unit 11 1 or a receiving unit 112, wherein the detection unit 11 1 is used for control in the storage system
  • the board sends a probe packet, and confirms that the control board is damaged when the probe response is not received within the preset time threshold.
  • the receiving unit 112 may be configured to receive the control board sleep message sent by the control board. Both of the above methods can obtain invalid control board information.
  • the present invention also provides a storage system including a front-end adapter card for connecting to a user host, a back-end adapter card for connecting a disk frame, and two or more control boards, and in the above embodiment.
  • the storage system configuration device wherein one side (device side) of the storage system connection configuration device is connected to the front end adapter card and the back end adapter card, and the storage system is connected to the other side of the configuration device (Processor side) Connect to more than two control boards at the same time.
  • the storage system provided in the foregoing embodiment of the present invention is configured with the configuration device in the foregoing embodiment, and after obtaining the control board failure message, querying the routing information related to the control board stored in the pre-storage module, including the control.
  • the routing information of the board and the front-end adapter card, the routing information of the control board and the back-end adapter card, and the modification of the routing information that is, reconfiguring the routing of the external device and the control board, and modifying the topology of the storage system.
  • the external device can be served by other control boards, which can effectively provide the stability of the storage system.
  • the specific beneficial effects include two aspects.
  • control board is damaged or the line connection failure occurs, and the external device can still be externally
  • the device communicates to provide services for the user.
  • control board can support that some of the control boards are in a dormant state, and does not affect the service provided to the user hosts.
  • FIG. 5 is a schematic diagram of a device according to Embodiment 1 of the storage system of the present invention.
  • the storage system includes two storage system connection configuration devices, that is, a first configuration device and a second configuration device, which are respectively a user host and a disk enclosure.
  • the service is provided to isolate the front-end service and the back-end service.
  • the storage system connection configuration device is disposed between the adapter card and the north bridge of the control board, because the PCI card between the adapter card and the control board is usually PCIe.
  • the storage system configuration device can also be referred to as a PCIe switch chip, wherein one storage system connection configuration device is connected to more than two control boards.
  • the connection configuration device in this embodiment may share routing information, or notify one of the control boards after one of the connection configuration devices obtains the failure of the control board, so that both connection configuration devices can modify the stored information in time. Routing information to avoid the impact of the failure control board.
  • FIG. 6 is a schematic diagram of a device according to Embodiment 2 of the storage system of the present invention.
  • the storage system includes only one storage system connection configuration device, and provides services for the user host and the disk enclosure.
  • the storage system provided by the foregoing embodiments of the present invention can provide system stability and can also support the working mode of the sleep control board to save energy.

Description

存储系统、 设备及其连接配置方法 本申请要求于 10年 12月 29 曰提交中国专利局、 申请号为
201010624699.0、 发明名称为 "存储系统连接配置方法、 设备及其 存储系统" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请 中。 技术领域
本发明涉及数据存储技术领域， 尤其涉及一种存储系统连接配置方法、 设备及其存储系统。 背景技术
图 1为现有技术中存储系统的硬件结构图， 如图 1所示， 该存储系统 中， 用户主机 1和磁盘框 2均直接连接到各自的适配卡 3 , 适配卡 3通过 PCIe (个人计算机扩展总线接口规范 PC T总线的一种 )总线与北桥 4连接， 并进一步连接到中央处理器 CPU5上，其中由于 CPU5没有直接的总线接口， 通过北桥 4的芯片可以实现其与外部设备（如用户主机和磁盘框）的连接， 适配卡 3的伟用是在实现特定的物理链路协议以便将请求通过物理链路发 送或者接收， 另夕卜还专为 CPU5配置有内存芯片 6。 对于连接用户主机 1的 适配卡 3称为前端适配卡， 对于连接磁盘框 2适配卡称为后端适配卡。
上述的北桥以及 CPU构成一个控制板， 现有技术中是由控制板服务于 一组位于前端的若干个用户主机， 同时也配备了若干个磁盘框， 并进一步 构成一个独立的、 包括一个控制板的存储子系统， 即在一个存储子系统中， 对于一个用户主机而言， 其仅能够向一个控制板请求存储或读取数据， 而 对于一个磁盘框而言， 其仅受一个控制板的控制。
对于现有的存储系统而言， 若其控制板的北桥、 CPU或者其连接出现 问题， 例如 CPU损坏或休眠时， 都会导致与其处于同一存储子系统的前端 用户主机、 磁盘框失效， 因此， 现有技术中提供的存储系统存在系统稳定 性差的缺陷。 发明内容
本发明实施例提供一种存储系统连接配置方法、设备及其存储系统， 用以提高存储系统的系统稳定性。
本发明实施例提供了一种存储系统连接配置方法， 包括：
获取存储系统中的失效控制板信息；
从路由信息表中查询与失效控制板相关联的路由信息， 所述路由信 息为外部设备与控制板之间的路由信息；
对查询到的路由信息进行修改， 将所述路由信息中失效控制板的路 由地址修改为一个未失效的控制板的路由地址并存储所述修改后的路由 信息。
本发明实施例还提供了一种存储系统连接配置设备， 包括： 第一获取模块， 用于获取存储系统中的失效控制板信息；
存储模块， 用于存储包括外部设备与控制板之间的路由信息的路由 信息表；
查询模块， 用于从路由信息表中查询与所述失效控制板相关联的路 由信息；
路由信息修改模块， 用于对查询到的路由信息进行修改， 将所述路 由信息中失效控制板的路由地址修改为一个未失效的控制板的路由地址 并存储到存储模块。
本发明实施例还提供了一种存储系统， 包括用于连接用户主机的前 端适配卡、 用于连接磁盘框的后端适配卡和两个以上的控制板， 包括上 述的存储系统连接配置设备， 所述存储系统连接配置设备的一侧与所述 前端适配卡和所述后端适配卡连接， 所述存储系统连接配置设备另一侧 同时与两个以上的控制板连接。
本发明实施例提供的上述存储系统连接配置方法、 设备及其存储系统， 通过设置连接配置装置， 该装置获取存储系统中的失效控制板信息， 并修 改上述失效控制板的路由信息， 然后根据修改后的路由信息进行业务处理， 即由未失效的控制板为用户提供服务， 能够提高存储系统的稳定性。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对 实施例或现有技术描述中所需要使用的附图作一简单地介绍， 显而易见地， 下面描述中的附图是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这些附图获得其他的附图。
图 1为现有技术中存储系统的硬件结构图；
图 2为本发明存储系统连接配置方法实施例的流程示意图；
图 3为本发明实施例中路由信息示意图；
图 4为本发明存储系统连接配置设备实施例的结构示意图；
图 5为本发明存储系统实施例一的装置示意图；
图 6为本发明存储系统实施例二的装置示意图。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合 本发明实施例中的附图， 对本发明实施例中的技术方案进行清楚、 完整 地描述， 显然， 所描述的实施例是本发明一部分实施例， 而不是全部的 实施例。 基于本发明中的实施例， 本领域普通技术人员在没有作出创造 性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。
为解决现有技术中存储系统的稳定性差的缺陷， 本发明实施例提供 了一种技术方案， 该技术方案能够实现用户主机或磁盘框通过适配卡与 多个控制板连接， 在某一控制板失效时， 可以通过修改路由信息， 将与 其关联的用户设备与其他未失效的控制板连接， 由该未失效的控制板为 上述外部用户设备提供服务， 进行提高存储系统的稳定性。
图 2为本发明存储系统连接配置方法实施例的流程示意图， 如图 2所示， 该 方法如下步骤：
步骤 101、 获取存储系统中的失效控制板信息；
步骤 102、 从路由信息表中查询与所述失效控制板相关联的路由信 息， 所述路由信息为外部设备与控制板之间的路由信息；
步骤 103、 对查询到的路由信息进行修改， 将所述路由信息中失效 控制板的路由地址修改为一个未失效的控制板的路由地址并存储所述修 改后的路由信息。
本发明上述实施例中提供的存储系统连接配置方法， 首先获取存储 系统中的失效控制板信息， 并查询预先存储的与该控制板有关的路由信 息， 例如图 3所示， 在连接配置设备中存储有控制板到前端适配卡的路 由信息， 控制板到后端适配卡的路由信息， 并对上述的路由信息进行修 改， 即重新配置外部设备与控制板的路由， 修改存储系统的拓朴结构， 使得上述外部设备可以由其他的控制板为其提供服务， 其能够有效提供 存储系统的稳定性， 具体有益效果包括两个方面， 一是在控制板损坏或 者出现线路连接故障的情况下， 仍能够与外部设备通信， 进而为用户提 供服务； 二是可能支撑部分控制板处于休眠状态， 而并不影响为用户主 机提供服务。
具体的上述步骤 102中的从路由信息表中查询与失效控制板相关联 的路由信息具体可以是从所述路由信息表中查询失效控制板与前端适配 卡的路由信息， 以及从所述路由信息表中查询失效控制板与后端适配卡 的路由信息。
另外本发明上述实施例中在更新路由信息表后， 可以由未失效的控 制板为外部设备提供服务。 具体的在外部设备为前端适配卡时， 上述方 法还可以包括：
接收所述前端适配卡转发的用户主机发起的数据存储请求或数据读 取请求， 根据修改后的路由信息， 将其转发给上述未失效的控制板。
具体的， 上述实施例中获取存储系统中失效的控制板信息可以通过 如下的方法实现：
一是可以通过向存储系统中的控制板发送探测报文， 在预设时间阈 值内未接收到探测响应时确认所述控制板损坏， 该方法可以是由系统中 过程中消耗的时间， 以及正常情况下设备的反应时间等因素获取； 二是 可以在控制板休眠时， 接收控制板发送的控制板休眠消息， 上述控制板 失眠消息具体可以由北桥转发。
与上述图 2所示的实施例对应的， 本发明还提供了一种存储系统连 接配置设备，图 4为本发明存储系统连接配置设备实施例的结构示意图， 如图 4所示， 该设备包括第一获取模块 11、 存储模块 12、 查询模块 13 和路由信息修改模块 14 , 其中第一获取模块 11用于获取存储系统中的 失效控制板信息；存储模块 12用于存储包括外部设备与控制板之间的路 由信息的路由信息表；查询模块 13用于从路由信息表中查询与所述失效 控制板相关联的路由信息；路由信息修改模块 14用于对查询到的路由信 息进行修改， 将所述路由信息中失效控制板的路由地址修改为一个未失 效的控制板的路由地址并存储到存储模块 12。
本发明上述实施例中提供的存储系统配置设备， 在第一获取模块 1 1 获取到有控制板失效后， 查询预先存储模块中存储的与该控制板有关的 路由信息， 包括该控制板与前端适配卡的路由信息， 该控制板与后端适 配卡的路由信息， 并对上述的路由信息进行修改， 即重新配置外部设备 与控制板的路由， 修改存储系统的拓朴结构， 使得上述外部设备可以由 其他的控制板为其提供服务， 其能够有效提供存储系统的稳定性， 具体 有益效果包括两个方面， 一是在控制板损坏或者出现线路连接故障的情 况下， 仍能够与外部设备通信， 进而为用户提供服务； 二是可能支持部 分控制板处于休眠状态， 而并不影响为用户主机提供服务。
本发明上述实施例中提到的路由消息可以既包括存储控制板与前端 适配卡的路由信息， 又包括控制板与后端适配卡的路由信息。
此时上述设备还包括业务处理模块 15。 该业务处理模块 15用于接 收前端适配卡转发的用户主机发起的数据存储请求或数据读取请求， 根 据修改后的路由信息， 将其转发给一个未失效的控制板。
另外， 本发明上述实施例中提供的存储系统连接配置设备， 其中的 第一获取模块 11可以进一步的包括探测单元 11 1或接收单元 112 , 其中 的探测单元 11 1用于向存储系统中的控制板发送探测报文， 在预设时间 阈值内未接收到探测响应时确认所述控制板损坏； 接收单元 112可以用 于接收控制板发送的控制板休眠消息。 上述两种方式都可以获取失效的 控制板信息。
本发明实施还提供了一种存储系统， 该存储系统包括用于连接用户 主机的前端适配卡、用于连接磁盘框的后端适配卡和两个以上的控制板， 以及上述实施例中提到的存储系统配置设备， 其中所述存储系统连接配 置设备的一侧 （设备侧） 与所述前端适配卡和所述后端适配卡连接， 所 述存储系统连接配置设备另一侧 （处理器侧） 同时与两个以上的控制板 连接。
本发明上述实施例中提供的存储系统， 配置有上述实施例中的配置 设备， 能够在获取到控制板失效消息后， 查询预先存储模块中存储的与 该控制板有关的路由信息， 包括该控制板与前端适配卡的路由信息， 该 控制板与后端适配卡的路由信息， 并对上述的路由信息进行修改， 即重 新配置外部设备与控制板的路由， 修改存储系统的拓朴结构， 使得上述 外部设备可以由其他的控制板为其提供服务， 其能够有效提供存储系统 的稳定性， 具体有益效果包括两个方面， 一是在控制板损坏或者出现线 路连接故障的情况下， 仍能够与外部设备通信， 进而为用户提供服务； 二是可以支持部分控制板处于休眠状态，并不影响为用户主机提供服务。
图 5为本发明存储系统实施例一的装置示意图， 如图 5所示， 该存 储系统包括两个存储系统连接配置设备， 即第一配置设备和第二配置设 备， 分别为用户主机和磁盘框提供服务， 可为实现前端服务和后端服务 的隔离， 上述的其存储系统连接配置设备设置在适配卡与控制板的北桥 之间， 因通常适配卡与控制板的北桥之间为 PCIe总线连接， 该存储系统 配置设备也可以称作为 PCIe交换芯片，其中一个存储系统连接配置设备 与两个以上的控制板连接。 该实施例中的连接配置设备可以共享路由信 息， 或者是在其中一个连接配置设备获取到有控制板失效后， 同时通知 另一个控制板， 以使两个连接配置设备都能够及时修改其中存储的路由 信息， 避免失效控制板的影响。
图 6为本发明存储系统实施例二的装置示意图， 如图 6所示， 该存 储系统包括仅包括一个存储系统连接配置设备， 同时为用户主机和磁盘 框提供服务。本发明上述实施例提供的存储系统， 能够提供系统稳定性， 也能够支持休眠控制板的工作方式， 以节省能源。
本领域普通技术人员可以理解： 实现上述方法实施例的全部或部分 步骤可以通过程序指令相关的硬件来完成， 前述的程序可以存储于一计 算机可读取存储介质中， 该程序在执行时， 执行包括上述方法实施例的 步骤； 而前述的存储介质包括： ROM、 RAM, 磁碟或者光盘等各种可以 存储程序代码的介质。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对 其限制； 尽管参照前述实施例对本发明进行了详细的说明， 本领域的普通 技术人员应当理解： 其依然可以对前述各实施例所记载的技术方案进行修 改， 或者对其中部分技术特征进行等同替换； 而这些修改或者替换， 并不 使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims

权利要求
1、 一种存储系统连接配置方法， 其特征在于， 包括：
获取存储系统中的失效控制板信息；
从路由信息表中查询与失效控制板相关联的路由信息， 所述路由信 息为外部设备与控制板之间的路由信息；
对查询到的路由信息进行修改， 将所述路由信息中失效控制板的路 由地址修改为一个未失效的控制板的路由地址并存储所述修改后的路由 信息。
2、 根据权利要求 1所述的存储系统连接配置方法， 其特征在于， 所 述从路由信息表中查询与失效控制板相关联的路由信息包括：
从所述路由信息表中查询失效控制板与前端适配卡的路由信息， 或 失效控制板与后端适配卡的路由信息。
3、 根据权利要求 1所述的存储系统连接配置方法， 其特征在于， 在 所述外部设备为前端适配卡时， 所述方法还包括：
接收所述前端适配卡转发的用户主机发起的数据存储请求或数据读 取请求， 根据修改后的路由信息， 将其转发给所述未失效的控制板。
4、 根据权利要求 1所述的存储系统连接配置方法， 其特征在于， 所 述获取存储系统中的失效控制板信息包括：
向存储系统中的控制板发送探测报文， 在预设时间阈值内未接收到 探测响应时确认所述控制板损坏； 或
接收控制板发送的控制板休眠消息。
5、 一种存储系统连接配置设备， 其特征在于， 包括：
第一获取模块， 用于获取存储系统中的失效控制板信息；
存储模块， 用于存储包括外部设备与控制板之间的路由信息的路由 信息表； 查询模块， 用于从路由信息表中查询与所述失效控制板相关联的路 由信息；
路由信息修改模块， 用于对查询到的路由信息进行修改， 将所述路 由信息中失效控制板的路由地址修改为一个未失效的控制板的路由地址 并存储到存储模块。
6、 根据权利要求 5所述的存储系统连接配置设备， 其特征在于， 在 所述外部设备为前端适配卡时， 所述设备还包括：
业务处理模块， 用于接收前端适配卡转发的用户主机发起的数据存 储请求或数据读取请求， 根据修改后的路由信息， 将其转发给所述未失 效的控制板。
7、 根据权利要求 5所述的存储系统连接配置设备， 其特征在于， 所 述第一获取模块包括：
探测单元， 用于向存储系统中的控制板发送探测报文， 在预设时间 阈值内未接收到探测响应时确认所述控制板损坏； 或
第一接收单元， 用于接收控制板发送的控制板休眠消息。
8、 一种存储系统， 所述存储系统包括磁盘阵列， 所述磁盘阵列包括 至少一个磁盘框，所述存储系统还包括用于连接用户主机的前端适配卡、 用于连接磁盘框的后端适配卡和两个以上的控制板， 其特征在于， 还包 括权利要求 5-7任一所述的存储系统连接配置设备， 所述存储系统连接 配置设备的一侧与所述前端适配卡和所述后端适配卡连接， 所述存储系 统连接配置设备另一侧同时与两个以上的控制板连接。
9、 根据权利要求 8所述的存储系统， 其特征在于， 所述存储系统连接 配置设备包括第一配置设备和第二配置设备， 所述第一配置设备的一侧与 所述前端适配卡连接， 另一侧与两个以上的控制板连接； 所述第二配置设 备的一侧与所述后端适配卡连接， 另一侧与两个以上的控制板连接。
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