WO2023124127A1 - Procédé, appareil et dispositif de connexion de communication pour hôte et système de stockage, et support - Google Patents

Procédé, appareil et dispositif de connexion de communication pour hôte et système de stockage, et support Download PDF

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Publication number
WO2023124127A1
WO2023124127A1 PCT/CN2022/113562 CN2022113562W WO2023124127A1 WO 2023124127 A1 WO2023124127 A1 WO 2023124127A1 CN 2022113562 W CN2022113562 W CN 2022113562W WO 2023124127 A1 WO2023124127 A1 WO 2023124127A1
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WO
WIPO (PCT)
Prior art keywords
storage system
nvmeofc
configuration information
communication connection
host
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PCT/CN2022/113562
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English (en)
Chinese (zh)
Inventor
李冬冬
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浪潮(北京)电子信息产业有限公司
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Publication of WO2023124127A1 publication Critical patent/WO2023124127A1/fr

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    • 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
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present application relates to the technical field of servers, and in particular to a communication connection method, device, equipment and medium between a host and a storage system.
  • NVMe Non Volatile Memory express, non-volatile memory host controller interface specification
  • NVMeoFC NVMe over Fiber Channel, NVMe transmission through the fiber network
  • the principle of the host automatically connecting to the NVMeoFC storage system is: when the host establishes a port connection with the NVMeoFC storage system, it will judge whether the port on the NVMeoFC storage system has the discovery capability. If the port of the NVMeoFC storage system has the discovery capability, it will trigger udev(device manager). In this case, the host will send relevant link information to the NVMeoFC storage system, and the pre-configured rule file will trigger the nvme command to automatically complete the connection with the NVMeoFC storage system.
  • the process of the host automatically connecting to the NVMeoFC storage system depends on the problem that the port triggers udev for communication connection.
  • the inventor realized that if the NVMeoFC storage system fails to provide NVMe connection services due to abnormal reasons when the NVMeoFC storage system establishes a port connection, even if the NVMeoFC storage system returns to normal, the host cannot establish a communication connection with the NVMeoFC storage system. Obviously, this cannot guarantee the reliability of the host when establishing a communication connection with the NVMeoFC storage system.
  • the present application provides a communication connection method between a host and a storage system, which is applied to an out-of-band management server, including:
  • the process of obtaining configuration information changes in the NVMeoFC storage system includes:
  • the change configuration information of the changes in the configuration information in the NVMeoFC storage system is acquired through the state change program module.
  • the method also includes:
  • the method also includes:
  • the process of sending the target configuration information corresponding to the target host in the changed configuration information to the target host includes:
  • the method also includes:
  • the status subscription program module is used to periodically detect the communication connection status between the target host and the NVMeoFC storage system.
  • the status subscription module stores communication connection information between the target host and the NVMeoFC storage system.
  • the state subscription program module is used to regularly detect the communication connection state between the target host and the NVMeoFC storage system, including:
  • the target configuration information corresponding to the target host in the change configuration information is sent to the target host, so that the target host establishes a communication connection with the NVMeoFC storage system, including:
  • the target host sends the target configuration information corresponding to the target host in the change configuration information to the target host, so that when the target host receives the target configuration information, it can determine whether the target host establishes a communication connection with the NVMeoFC storage system, and respond to the target host and NVMeoFC
  • the storage system has not established a communication connection, but establishes a communication connection with the NVMeoFC storage system through the target configuration information.
  • the number of target hosts is one or more.
  • the changed configuration information of the configuration information in the NVMeoFC storage system includes: the NQN of the host whose configuration information is changed in the NVMeoFC storage system and the target port pairing information of the changed port pairing in the NVMeoFC storage system.
  • the changed configuration information of the changed configuration information in the NVMeoFC storage system further includes: the NQN of the NVMeoFC storage system.
  • the status subscription program module is used to register the NQN of the target host to the out-of-band management server, and then further includes: storing the NQN of the target host.
  • the change in the configuration information of the NVMeoFC storage system means that a new host or namespace that allows access is added to the NVMeoFC storage system, or the NVMeoFC storage system cannot provide NVMeoFC services to the accessing host at the current moment.
  • the failure of the NVMeoFC storage system to provide the NVMeoFC service to the access host at the current moment means that the pairing situation between ports in the NVMeoFC storage system changes.
  • a communication connection is established between the target host and the NVMeoFC storage system through an optical fiber.
  • the present application also discloses a communication connection device between a host and a storage system according to the second aspect.
  • the communication connection device between a host and a storage system is applied to an out-of-band management server, and the device includes the following modules:
  • An information acquisition module configured to acquire change configuration information in which the configuration information in the NVMeoFC storage system changes in response to changes in the configuration information of the NVMeoFC storage system;
  • the host determination module is configured to determine the target host whose configuration information in the above-mentioned NVMeoFC storage system changes according to the above-mentioned changed configuration information;
  • a communication connection module configured to send target configuration information corresponding to the target host in the changed configuration information to the target host in response to the target host being registered in the out-of-band management server, so that the target host and The aforementioned NVMeoFC storage system establishes a communication connection.
  • the information acquisition module is specifically used for:
  • the changed configuration information of the changed configuration information in the NVMeoFC storage system is acquired through the state change program module.
  • this application also discloses a communication connection device between a host and a storage system, including:
  • One or more processors configured to implement the steps in the communication connection method between a host and a storage system as disclosed in any of the foregoing embodiments when executing the above computer-readable instructions.
  • the present application also discloses a non-volatile computer-readable storage medium, in which computer-readable instructions are stored on the above-mentioned non-volatile computer-readable storage medium, and the above-mentioned computer-readable instructions are executed by one or more processors During execution, the steps in a communication connection method between a host and a storage system as disclosed in any of the foregoing embodiments are implemented.
  • FIG. 1 is a flowchart of a communication connection method between a host and a storage system provided by one or more embodiments of the present application;
  • FIG. 2 is a schematic diagram of establishing a communication connection between a target host and an NVMeoFC storage system provided by one or more embodiments of the present application;
  • FIG. 3 is a structural diagram of a communication connection device between a host and a storage system provided by one or more embodiments of the present application;
  • FIG. 4 is a structural diagram of a communication connection device between a host and a storage system provided by one or more embodiments of the present application;
  • Fig. 5 is an internal structural diagram of a communication connection device between a host and a storage system provided by one or more embodiments of the present application.
  • FIG. 1 is a flow chart of a communication connection method between a host and a storage system provided in an embodiment of the present application. The method includes:
  • Step S11 In response to changes in the configuration information of the NVMeoFC storage system, obtain changed configuration information in which the configuration information in the NVMeoFC storage system has changed;
  • Step S12 Determine the target host whose configuration information changes in the NVMeoFC storage system according to the changed configuration information
  • a communication connection method between a host and a storage system through which the reliability of the host when establishing a communication connection with the NVMeoFC storage system can be guaranteed.
  • the communication connection method is specifically described with the out-of-band management server as the execution subject.
  • the number of target hosts may be one or multiple, which is not specifically limited here.
  • the out-of-band management server will send the target configuration information corresponding to the target host in the change configuration information to the target host;
  • the target configuration information corresponding to the target host it will be determined whether the target host has established a communication connection with the NVMeoFC storage system; if the target host has established a communication connection with the NVMeoFC storage system, the target host does not need to take any action; If the NVMeoFC storage system has not established a communication connection, the target host will establish a communication connection with the NVMeoFC storage system through the target configuration information.
  • the out-of-band management server when the configuration information of the NVMeoFC storage system changes, the out-of-band management server will obtain the changed configuration information of the changed configuration information in the NVMeoFC storage system, and determine the configuration information in the NVMeoFC storage system according to the changed configuration information The changed target host; if the target host has been registered in the out-of-band management server, the target configuration information corresponding to the target host in the changed configuration information is sent to the target host, so that the target host establishes communication with the NVMeoFC storage system connect.
  • this method utilizes the out-of-band management server to obtain the changed configuration information in which the configuration information in the NVMeoFC storage system changes, and sends the target configuration information corresponding to the target host in the changed configuration information to The target host, so as to establish a communication connection between the target host and the NVMeoFC storage system.
  • this embodiment further explains and optimizes the technical solution.
  • the above steps when the configuration information of the NVMeoFC storage system changes, obtain the configuration information in the NVMeoFC storage system.
  • the process of changing configuration information including:
  • the above-mentioned communication connection method also includes:
  • FIG. 3 is a structural diagram of a communication connection device between a host and a storage system provided in an embodiment of the present application.
  • the device includes:
  • the out-of-band management server when the configuration information of the NVMeoFC storage system changes, the out-of-band management server will obtain the changed configuration information of the changed configuration information in the NVMeoFC storage system, and determine that the configuration information in the NVMeoFC storage system has changed according to the changed configuration information the target host; if the target host has been registered in the out-of-band management server, the target configuration information corresponding to the target host in the change configuration information is sent to the target host, so that the target host establishes a communication connection with the NVMeoFC storage system.
  • the device is also used to: respond to if the target host is not in the out-of-band management server If the registration is performed, it will be determined that the target host is abnormal, and an early warning message will be prompted.
  • the device is also used to: use the status subscription program module to regularly detect the target host and NVMeoFC storage The status of communication connections between systems.
  • the status subscription module stores communication connection information between the target host and the NVMeoFC storage system.
  • the changed configuration information of the configuration information in the NVMeoFC storage system includes: the NQN of the host whose configuration information is changed in the NVMeoFC storage system and the target port pairing information of the changed port pairing in the NVMeoFC storage system.
  • the changed configuration information of the changed configuration information in the NVMeoFC storage system further includes: the NQN of the NVMeoFC storage system.
  • the change in the configuration information of the NVMeoFC storage system means that a new host or namespace that allows access is added to the NVMeoFC storage system, or the NVMeoFC storage system cannot provide NVMeoFC services to the accessing host at the current moment.
  • the device for communication connection between a host and a storage system provided by the embodiment of the present application has the beneficial effect of the method for communication connection between a host and a storage system disclosed above.
  • FIG. 4 is a structural diagram of a communication connection device between a host and a storage system provided in an embodiment of the present application.
  • the device includes:
  • One or more processors 32 are configured to implement the steps of a communication connection method between a host and a storage system disclosed above when executing computer-readable instructions.
  • FIG. 5 an internal structure diagram of a communication connection device between the host and the storage system may be as shown in FIG. 5 .
  • the communication connection device between the host and the storage system includes a processor, a memory, a network interface and a database connected through a system bus.
  • the processor of the communication connection device between the host and the storage system is used to provide calculation and control capabilities.
  • the memory of the communication connection device between the host and the storage system includes a non-volatile storage medium and an internal memory.
  • the non-volatile storage medium stores an operating system, computer programs and databases.
  • the internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium.
  • FIG. 5 is only a block diagram of a part of the structure related to the solution of this application, and does not constitute a limitation on the communication connection equipment between the host and the storage system to which the solution of this application is applied , the specific communication connection device between the host and the storage system may include more or less components than shown in the figure, or combine some components, or have a different arrangement of components.
  • the embodiment of the present application also provides a non-volatile computer-readable storage medium, the non-volatile computer-readable storage medium stores computer-readable instructions, and the computer-readable instructions are processed by one or more When the server executes, it implements the steps of a communication connection method between a host and a storage system as disclosed above.
  • each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other.
  • the description is relatively simple, and for the related parts, please refer to the description of the method part.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer And Data Communications (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

La présente invention concerne un procédé, appareil et dispositif de connexion de communication pour un hôte et un système de stockage, et un support. Le procédé comporte les étapes consistant: lorsque des informations de configuration d'un système de stockage NVMeoFC changent, à acquérir des informations de changement de configuration concernant le changement des informations de configuration dans le système de stockage NVMeoFC; selon les informations de changement de configuration, à déterminer un hôte cible dont les informations de configuration ont changé dans le système de stockage NVMeoFC; et si l'hôte cible a été inscrit dans un serveur de gestion hors bande, à envoyer des informations de configuration cible, qui correspondent à l'hôte cible et figurent dans les informations de changement de configuration, à l'hôte cible, de telle sorte que l'hôte établisse une connexion de communication avec le système de stockage NVMeoFC.
PCT/CN2022/113562 2021-12-31 2022-08-19 Procédé, appareil et dispositif de connexion de communication pour hôte et système de stockage, et support WO2023124127A1 (fr)

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CN202111678634.9A CN114356810B (zh) 2021-12-31 2021-12-31 一种主机与存储系统的通信连接方法、装置、设备及介质
CN202111678634.9 2021-12-31

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CN114356810B (zh) * 2021-12-31 2023-08-04 浪潮(北京)电子信息产业有限公司 一种主机与存储系统的通信连接方法、装置、设备及介质

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US20100011184A1 (en) * 2004-05-20 2010-01-14 Yasuyuki Mimatsu Management method and a management system for volume
CN105912275A (zh) * 2016-04-27 2016-08-31 华为技术有限公司 在非易失性存储系统中建立连接的方法和装置
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