WO2018045860A1

WO2018045860A1 - File system mounting method, apparatus and equipment

Info

Publication number: WO2018045860A1
Application number: PCT/CN2017/097681
Authority: WO
Inventors: 刘渊; 张大力; 黎德雄; 文海
Original assignee: 华为技术有限公司
Priority date: 2016-09-12
Filing date: 2017-08-16
Publication date: 2018-03-15
Also published as: CN106484322A

Abstract

A method for mounting a file system, comprising: a client acquiring indicators of multiple target storage nodes (101); the client establishing multiple communication links to the multiple target storage nodes according to the indicators of the multiple target storage modes (102); the client using the multiple communication links to mount a file system (103). In this manner, when a single client is establishing mount points, the client uses multiple communication connections established to multiple storage nodes, enabling the client to access multiple storage nodes in parallel, thereby increasing transmission speed between the client and a storage system, and also increasing reliability of operation of services requiring high bandwidth.

Description

Method, device and device for mounting file system

Technical field

The present invention relates to the field of communications, and in particular, to a method, device, and device for mounting a file system.

Background technique

Network storage implements data transmission based on standard network protocols, and provides file sharing and data backup for clients of various operating systems such as Windows/Linux/Mac OS in the network. Multiple clients connect to the same storage system (ie, network storage) to achieve different business needs of different clients. For example, basic reading of files in the storage system, or writing files to the storage system. Since the storage system has a large storage capacity requirement, the storage system generally consists of multiple storage nodes.

When a client accesses multiple files in the storage system, a single client requires a very high stable bandwidth (usually >2GB/s). However, as people's needs are higher and higher, more and more businesses need higher and more stable bandwidth, such as video production, high-performance computer group (English name: High Performance Computing, English abbreviation: HPC) Waiting for business. In the prior art, based on the standard NFS protocol, a single client can only establish a connection with a single storage node of the storage system. When the stability of a single storage node in a storage system cannot meet the requirements of a single workstation, it will affect the normal operation of the service, such as video services, and may be stuck. Therefore, in the existing connection mechanism, when a single client runs a service with high bandwidth requirements, the bandwidth of the single node is unstable, and the bandwidth provided is insufficient, so that the transmission rate between the client and the storage system is low, resulting in a low transmission rate. The normal operation of this type of business.

Summary of the invention

The present application provides a method, device, and device for mounting a file system, which are used to improve the transmission rate between a client and a storage system, and improve the operational stability of a service requiring high bandwidth.

The first aspect of the present application provides a method for mounting a file system, where the file system is used to manage files stored in a storage system, and the method includes:

The storage system includes a plurality of storage nodes, and the client selects a plurality of storage nodes from the storage system as the target storage node, where the target storage node is a storage node that the client needs to establish a communication connection, and the client obtains the identifiers of the plurality of target storage nodes. The identifier may be a unique identifier of the storage node, such as a network interconnection protocol (English full name: Internet Protocol, abbreviation: IP) address, or a serial number of a storage node, or a node name of a storage node, etc., according to the client. The identifier of the target storage node establishes a plurality of communication connections with the plurality of target storage nodes, and the client uses the plurality of communication connections to mount the file system to create a mount point.

The client obtains the identifiers of the plurality of target storage nodes, and the client establishes multiple communication connections with the plurality of target storage nodes according to the identifiers of the plurality of target storage nodes, and the client uses multiple communication connections to mount the file system. In this way, among the mount points established by a single client, multiple communication connections established with multiple storage nodes are used, so that the client can access multiple storage nodes in parallel, thereby improving the transmission between the client and the storage system. The rate also increases the operational stability of the high bandwidth requirements of the service.

In a possible implementation manner, before the client obtains the identifiers of the multiple target storage nodes, the method may further include:

The client determines, from the storage nodes included in the storage system, a storage node storing any of the data blocks in the target file as the target storage node.

In a storage system, a single storage node generally stores only data blocks of a file. In this implementation manner, the client preferentially selects a storage node that establishes a connection and stores a data block of the target file that the client needs to obtain, for example, the storage node includes The first node, the second node, and the third node, the object file is divided into two partial data blocks and stored in the first node and the second node, respectively. Before the client establishes a communication connection with the storage node, the first node and the second node storing the target file data block are preferentially selected, so that the client can directly obtain the target file from the first node and the second node. The target file reduces the time for the storage node connected to the client to obtain the target file data block from other storage nodes, thereby improving the data transmission efficiency between the client and the storage system.

In another possible implementation manner, the client establishes multiple communication connections with multiple target storage nodes according to the identifiers of the multiple target storage nodes, which may be:

The client determines a connection index of the plurality of target storage nodes from the connection index library according to the identifier of the target storage node, and the client establishes multiple communication connections with the plurality of target storage nodes according to the connection index of the plurality of target storage nodes.

In this implementation, the client saves a connection index library, which stores a connection index used by each storage node to establish a communication connection with the client for the first time. So that the next time the client needs to establish a communication connection with the storage node, it is only necessary to match the identifier of the target storage node acquired by the client with the identifier of the storage node of the connection index library, and the corresponding connection index can be found. To establish a communication connection. The client does not need to send a remote call request and return an entry handle to the storage node to complete a preparation operation for establishing a communication connection, thereby improving the efficiency of establishing a communication connection between the client and the storage node.

In another possible implementation manner, the method may further include:

After the client mounts the file system, the client determines at least one communication connection from the plurality of communication connections, and the client accesses the corresponding target storage node based on the at least one communication connection to acquire the at least one target file.

If the client and the storage system transmit at a file-level granularity, when the client acquires multiple target files at the same time, the client can access multiple target storage nodes in parallel through multiple communication connections to obtain multiple target files. For example, the client can access three storage nodes in parallel to obtain three target files, thus improving the service running speed of the client.

The second aspect of the present application provides an apparatus for mounting a file system, where the file system is used to manage files stored in a storage system, and the device may be implemented by software or by a combination of software and hardware, in an implementation manner. The device includes:

The obtaining unit is configured to obtain identifiers of the plurality of target storage nodes, where the storage system includes multiple storage nodes, where the identifier may be a unique identifier of the storage node, such as an IP address, or a serial number of the storage node, or a node name of the storage node. ;

a connecting unit, configured to establish multiple communication connections with multiple target storage nodes according to identifiers of multiple target storage nodes;

Mount unit for mounting a file system using multiple communication connections.

In another implementation, the apparatus includes: a transceiver, a memory, and a processor, the transceiver, the memory, and the processor are connected by a bus, the memory stores the computer instructions, and the processor implements the above by executing computer instructions in the memory. The method of mounting a file system provided by the first aspect.

A third aspect provides an apparatus comprising at least one processor, a memory, and a communication interface. The at least one processor, the memory, and the communication interface are each connected by a bus; the memory storage computer executes instructions; the at least one processor executes computer stored instructions of the memory storage such that the device passes The communication interface performs data interaction with the storage system to perform the method of mounting the file system provided by the foregoing first aspect or various possible designs of the first aspect, or causes the device to perform data interaction with the storage system through the communication interface. The apparatus for mounting a file system in the second aspect is implemented.

A fourth aspect of the present application provides a computer readable storage medium having stored therein computer executed instructions, when the at least one processor of the device executes the computer to execute an instruction, the device performs the first aspect or the first aspect A variety of possible ways to design a method of mounting a file system.

A fifth aspect of the present application provides a computer program product comprising computer executed instructions stored in a computer readable storage medium. At least one processor of the device can read the computer-executable instructions from the computer readable storage medium, and the at least one processor executes the computer-executable instructions to cause the device to implement the mounting file provided by the first aspect or the various possible designs of the first aspect Systematic approach.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the description of the embodiments will be briefly described below.

1 is a schematic diagram of a system architecture of a file system in an embodiment of the invention;

2 is a schematic diagram of a method for mounting a file system according to an embodiment of the present invention;

3 is a schematic diagram of an apparatus for mounting a file system according to an embodiment of the present invention;

4 is a schematic diagram of a device in an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

The embodiment of the invention provides a method, a device and a device for mounting a file system, which are used to improve the transmission rate between the client and the storage system, and improve the operational stability of the service required by the high bandwidth.

Referring to FIG. 1, FIG. 1 is a schematic structural diagram of a system for mounting a file system according to an embodiment of the present invention. In the system architecture, including the client, the storage system. The storage system is composed of a plurality of storage nodes, and the plurality of storage nodes are connected to the switch through the optical fiber, and the switch connects the client through the optical fiber, thereby interconnecting the plurality of storage nodes and the client. The optical fiber can be a 10 Gigabit Ethernet (Gigabit Ethernet, English abbreviation: GE) fiber optic cable, and the switch can be a 10 GE high-rate transmission switch. The storage node stores the entire file or the data block of the target file that the client needs to obtain, and the plurality of storage nodes can mutually transmit data, and the client can access the storage node by accessing a storage node or The target file that is not stored on this storage node. When the target file that the client needs to obtain is not stored in the storage node, the storage node traverses the other storage nodes in the entire storage system by using the identifier of the target file, thereby acquiring data of the target file from other storage nodes. A single client can also establish a communication connection with multiple storage nodes in the storage system by using the method for mounting files provided by the present invention, thereby implementing parallel access to multiple storage nodes to obtain target files, and improving the relationship between the client and the storage system. Data transfer rate.

It should be noted that the client may be a personal computer (English name: Personal Computer, English abbreviation: PC) or a computing device such as a server; specifically, the device runs a client program that can access the storage system to make The device becomes a client. The storage system can be network attached storage (English full name: Network Attached Storage, English abbreviation: NAS), open system direct-attached storage (English full name: Direct Access Storage English abbreviation: DAS), storage area network (English full name: Storage Area Network, English abbreviation: SAN) and so on. The hardware medium of the storage node can be isomorphic or heterogeneous. For ease of explanation, the embodiment of the present invention is described by taking NAS storage as an example, and the example is not limited to the solution of the present invention.

Referring to FIG. 2, FIG. 2 is an embodiment of a method for mounting a file system according to an embodiment of the present invention, where the file system is used to manage files stored in a storage system, and the method is specifically:

101. The client acquires identifiers of multiple target storage nodes, where the storage system includes multiple storage nodes.

In order to improve the data transmission rate between the client and the storage system, in the embodiment of the present invention, the client needs to establish multiple communication connections with multiple storage nodes in the storage system. Before establishing a communication connection, the client needs to obtain the identifiers of the plurality of target storage nodes, and the identifier may be the IP address of the storage node. Specifically, the client obtains the IP address of the storage node, and the client initiates a floating IP query to the storage system by using the domain name system (English name: Domain Name System, English abbreviation: DNS). The floating IP address can be multiple. The physical IP is matched with a virtual IP, where each floating IP corresponds to one storage node. The DNS server returns a list containing the floating IP addresses in the storage system. It should be noted that the identifier of the target storage node may be a unique identifier of the storage node, and is not limited to an IP address, and may also be a serial number of the storage node or a node name of the storage node. The DNS server belongs to the storage system and is responsible for domain name resolution of the storage system.

Optionally, the client can obtain the identifiers of all the storage nodes in the storage system, and establish a communication connection with all the storage nodes. Alternatively, the client may also obtain the identifier of a part of the storage nodes in the storage system, and establish a communication connection with some storage nodes. In a manner of establishing a communication connection with a part of the storage nodes, the client can select according to the connection load condition of all storage nodes, preferentially select a storage node with less connection load, and establish a communication connection with the storage node.

In another possible implementation manner, the client may also select a storage node by using a location of the target file to be acquired. Specifically, the client first determines, from the storage node included in the storage system, a storage node that stores any data block in the target file as the target storage node. In a storage system, a single storage node generally stores only data blocks of files, and rarely stores the entire file. Therefore, when the client needs to obtain a complete target file, the storage node to which the client is connected is required. Other data blocks of the target file are obtained from other storage nodes, so that the client obtains the entire target file from the connected storage node. Therefore, in this implementation manner, the client preferentially selects the storage node that establishes the connection to store the data block of the target file that the client needs to acquire, for example, the storage node includes the first node, the second node, and the third node, and the target file is The two partial data blocks are respectively stored in the first node and the second node. Before the client establishes a communication connection with the storage node, the first node and the second node storing the target file data block are preferentially selected, so that the client can directly obtain the target file from the first node and the second node. The target file reduces the time for the storage node connected to the client to obtain the target file data block from other storage nodes, thereby improving the data transmission efficiency between the client and the storage system.

102. The client establishes multiple communication connections with the multiple target storage nodes according to the identifiers of the multiple target storage nodes.

After the client obtains the identifiers of the plurality of target storage nodes, that is, the floating IP address of the target storage node, the client can establish a communication connection with the plurality of target storage nodes, and the specific way of establishing the communication connection is: the client According to the list of floating IP addresses, the storage node corresponding to any floating IP (such as the first one) requests a mount connection, for example, the request may be a remote call request sent by the file system, such as a MOUNT RPC call request; The storage node corresponding to a floating IP will return the entry handle of the file system root directory through the mount module (for example, the mountd module), for example, ROOT FILEHANDLE; the client traverses the floating IP address list, and respectively corresponds to multiple corresponding storage nodes. The network file system (English name: Network File System, English abbreviation: NFS) service module (such as NFS Server) establishes a communication connection. The communication connection can be a socket connection, and after the client establishes all the Socket connections, the connection state of all the Socket connections can also be saved. The Socket connection status of each storage node includes information such as the normal or abnormal state of the Socket connection state of the storage node and the load status of the Socket connection of the storage node. After the client establishes a communication connection with multiple target storage nodes, that is, after the Socket connection, it can be instantiated, and the file system is mounted by using the multiple communication connections.

In the above manner of establishing a communication connection, the client acquires an entry handle of the plurality of storage nodes in real time through the obtained floating IP addresses of the plurality of storage nodes, thereby establishing a communication connection. In another implementation manner, after determining the floating IP address of the multiple target storage nodes, the client may further determine a connection index of the multiple target storage nodes from the pre-stored connection index database, and then according to the multiple The connection index establishes a communication connection with a plurality of storage nodes.

Since the entry handle and the floating IP address of each storage node are generally not changed, the client will establish a communication connection with the client after acquiring the entry handle of the storage node and the floating IP address of the storage node for the first time. And storing the connection index of the communication connection, that is, the entry handle and the floating IP address of the storage node, into the connection index library, so that the next time the client needs to establish a communication connection with the storage node, the client only needs to If the obtained floating IP address matches the IP address in the connection index database, the corresponding connection index can be found, thereby establishing a communication connection. The client does not need to send a remote call request and return an entry handle to the storage node to complete a preparation operation for establishing a communication connection, thereby improving the efficiency of establishing a communication connection between the client and the storage node. It should be noted that if the storage node that the client currently needs to connect is the first connection, the connection index of the storage node is not saved in the connection index library, so that the client needs to establish a communication connection through the above-mentioned real-time. The storage node establishes a communication connection, and after establishing the communication connection, saves the connection index of the storage node in the connection index library.

103. The client mounts the file system by using the multiple communication connections.

After the client establishes a communication connection between multiple target storage nodes, it can instantiate the local mount point, that is, create a file system local mount point. The mount point is actually the entry directory of the disk file system in the Linux operating system, similar to the C:, D:, E: and other drive letters used to access different partitions in the Windows operating system. After the client instantiates the mount point, it can access the connected storage node to obtain the target file.

In the embodiment of the present invention, the client obtains the identifiers of the plurality of target storage nodes, the storage system includes the plurality of storage nodes, and the client establishes the plurality of target storages according to the identifiers of the plurality of target storage nodes. A plurality of communication connections of the node, the client using the plurality of communication connections to mount the file system. In this way, among the mount points established by a single client, multiple communication connections established with multiple storage nodes are used, so that the client can access multiple storage nodes in parallel, thereby improving the transmission between the client and the storage system. The rate also increases the operational stability of the high bandwidth requirements of the service.

With reference to the embodiment of FIG. 2, in an optional embodiment, the method for mounting a file system further includes:

After the client mounts the file system, the client determines at least one communication connection from the plurality of communication connections;

The client accesses the corresponding target storage node based on the at least one communication connection to acquire at least one object file.

After the client establishes multiple communication connections with multiple storage nodes and mounts the file system through the multiple communication connections, the client can access multiple storage nodes according to the communication connections to obtain the target files in the storage node. Optionally, the client may select one or more communication connections from the plurality of communication connections to access one or more storage nodes to obtain one or more object files. The manner in which the client obtains the target file may be transmitted by using the file as the granularity, or may be transmitted by using the data block of the target file stored in the storage node as a granularity. lose. For example, the client may select a communication connection to access a storage node. If the storage node only stores a part of the data block of the target file or a data block that does not store the target file, the storage node is based on the identifier of the target file, such as a file. The name searches for other storage nodes to obtain all the data blocks of the target file, thereby transmitting all the data blocks of the entire target file to the client. Alternatively, if a plurality of storage nodes respectively store different data blocks of the target file, the client may access multiple storage nodes simultaneously by using multiple communication connections, and obtain different data blocks of the target file from different storage nodes, and the client Re-integrate different data blocks to generate a complete object file.

Optionally, the client may further acquire the multiple target files by accessing the corresponding target storage nodes in parallel according to the multiple communication connections.

If the client and the storage system transmit at a file-level granularity, when the client acquires multiple target files at the same time, the client can access multiple target storage nodes in parallel through multiple communication connections to obtain multiple target files. For example, the client can access three storage nodes in parallel to obtain three target files. The client obtains the target file, which may include a business operation such as a read operation or a write operation by the client on the target file.

Optionally, the client determines the at least one communication connection from the multiple communication connections, and specifically:

The client determines at least one communication connection having a small communication load from the plurality of communication connections.

In the foregoing embodiment, after the client establishes a communication connection at the storage node, the connection state of the storage node is stored, and the connection state includes the load condition of the storage node. Based on the load balancing principle, when the client selects a storage node for data transmission, the client can preferentially select the current communication load to teach the storage node of the small communication connection to perform data transmission. Specifically, the client may determine, from the plurality of target storage nodes, a first storage node having a small number of communication connections, and then determine, from the plurality of communication connections, a communication connection with the first storage node as a communication. A small communication connection.

It should be noted that when the client needs to access more than two storage nodes by using more than two communication connections, then the two or more communication connections selected by the client are communication connections with small communication load.

Optionally, when the target file is at least two, the client may first obtain size information of each of the at least two target files.

The client calculates the time consumed by each file transfer according to the transmission rate of the storage system;

The client calculates, according to the time consumed by each file transfer, the average number of files to be transmitted by each storage node according to the file granularity;

The client acquires the at least two object files by accessing a plurality of storage nodes in parallel by the number of files.

For example, the client needs to obtain four target files, and the client selects two communication connections for the transmission of the four files. The client first sends a read request for the four files to the storage system, and the storage system obtains the size information of each of the four files according to the file identifier of the four files, wherein if the first file is 10G, The second file is 1G, the third file is 3G, and the fourth file is 2G. Then, according to the file-size transmission method, the transmission is performed through two connections. If the transmission rate of each communication connection is 1G/ s, then it takes 10s to transfer the first file, 1s to transfer the second file, 3s to transfer the third file, and 2s to transfer the fourth file. Then, according to the principle of equalization, the first file can be transmitted through one communication line, and the other three files can be transmitted through another communication link. Or, the size of the fourth file is 8G, then the total size of the four files is 22G, which is transmitted through two communication lines, and each of the communication lines can transmit two files on average. The first file and the second file are transmitted on one communication line, and the second file and the third file are transmitted on another communication line. In this way, the data size load of data transmission between the client and the storage system is more balanced, and the transmission efficiency between the client and the storage system is improved.

Optionally, in order to improve the security of the XNFS multi-connection, taking the storage system as the NAS storage as an example, the unified authentication module in the NAS storage can also be transplanted to the client, and the client and the NAS storage respectively solidify a pair of identical accounts. And the password is encrypted and saved. Then the client acts as the authentication client. The NAS storage serves as the authentication server. The unified authentication mechanism is used to complete the two-way authentication. After the two-way authentication is passed, the file system mount and file access can be performed.

Referring to FIG. 3, an embodiment of an apparatus for mounting a file system in an embodiment of the present invention includes:

An obtaining unit 201, configured to acquire identifiers of multiple target storage nodes, where the storage system includes multiple storage nodes;

The connecting unit 202 is configured to establish, according to the identifiers of the multiple target storage nodes, multiple communication connections with the multiple target storage nodes;

The mounting unit 203 is configured to mount the file system by using the multiple communication connections.

Optionally, the device includes:

a determining unit 204, configured to determine, from the storage node included in the storage system, a storage node that stores any data block in the target file as the target storage, before the obtaining unit acquires the identifiers of the plurality of target storage nodes node.

Optionally, the connecting unit 202 is specifically configured to:

Determining, according to the identifier of the target storage node, a connection index of the plurality of target storage nodes from the connection index library;

Establishing a plurality of communication connections with the plurality of target storage nodes according to a connection index of the plurality of target storage nodes.

Optionally, the determining unit 204 is further configured to: after the mounting unit 203 mounts the file system, determine at least one communication connection from the multiple communication connections;

The obtaining unit 201 is further configured to acquire at least one target file based on the at least one communication connection accessing the corresponding target storage node.

Optionally, the determining unit 204 is specifically configured to:

At least one communication connection having a small communication load is determined from the plurality of communication connections.

Optionally, the determining unit 204 is specifically configured to:

Determining, from the plurality of target storage nodes, a first storage node having a small number of communication connections;

From the plurality of communication connections, a communication connection with the first storage node is determined as a communication connection with a small communication load.

Optionally, the obtaining unit 201 is further configured to:

After the file system is mounted, the target storage nodes corresponding to the plurality of communication connections are accessed in parallel to obtain a plurality of target files.

For a detailed description of the various units in the embodiment of FIG. 3, reference may be made to the detailed description of the method for mounting the file system provided in the embodiment of FIG. 2 and the optional embodiment of FIG. 2, and details are not described herein.

The embodiment of the present invention further provides a storage system, which is a storage system described in the foregoing embodiment, and is configured to cooperate with a client to implement the foregoing method for mounting a file system.

The embodiment of the present invention further provides a storage node, which belongs to the storage system described in the foregoing embodiment, and the storage node is a storage node described in the foregoing embodiment, and the storage node is configured to cooperate with a client to implement the foregoing. The method of mounting a file system.

Referring to FIG. 4, an embodiment of the present invention further provides an apparatus 300. The device 300 includes at least one processor 301, a memory 302, and a communication interface 303. The at least one processor 301, the memory 302, and the communication The interfaces 303 are all connected by a bus 304;

The memory 302 is configured to store a computer execution instruction;

The at least one processor 301 is configured to execute a computer-executed instruction stored by the memory 302, so that the device 300 performs data interaction with the storage system through the communication interface 303 to execute the mounted file system provided by the foregoing method embodiment. The method, or causing the device 300 to perform data interaction with the storage system through the communication interface 303 to implement some or all of the functions of the device that mounts the file system.

The at least one processor 301 may include different types of processors 301, or include the same type of processor 301; the processor 301 may be any one of the following: a central processing unit (CPU), an ARM processor. , Field Programmable Gate Array (FPGA), dedicated processor and other devices with computational processing capabilities. In an optional implementation manner, the at least one processor 301 may also be integrated into a many-core processor.

The memory 302 may be any one or any combination of the following: a random access memory (RAM), a read only memory (ROM), a non-volatile memory (non-volatile memory). , referred to as NVM), Solid State Drives (SSD), mechanical hard disks, disks, disk arrays and other storage media.

Communication interface 303 is used by device 300 for data interaction with other devices, such as storage nodes in a storage system. The communication interface 303 may be any one or any combination of the following: a network interface (such as an Ethernet interface), a wireless network card, or the like having a network access function.

The bus 304 can include an address bus, a data bus, a control bus, etc., for convenience of representation, Figure 4 shows the bus with a thick line. The bus 304 may be any one or any combination of the following: an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, and an extended industry standard structure ( Extended Industry Standard Architecture (EISA) bus and other devices for wired data transmission.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated order The element can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the embodiments are modified, or the equivalents of the technical features are replaced by the equivalents of the technical solutions of the embodiments of the present invention.

Claims

A method for mounting a file system, wherein the file system is configured to manage files stored in a storage system; the method includes:

Obtaining identifiers of a plurality of target storage nodes, where the storage system includes a plurality of storage nodes;

Establishing a plurality of communication connections with the plurality of target storage nodes according to the identifiers of the plurality of target storage nodes;

Mount the file system using the plurality of communication connections.
The method according to claim 1, wherein before the obtaining the identifiers of the plurality of target storage nodes, the method comprises:

From a storage node included in the storage system, a storage node storing any one of the target files is determined as the target storage node.
The method according to claim 1 or 2, wherein the establishing a plurality of communication connections with the plurality of target storage nodes according to the identifiers of the plurality of target storage nodes comprises:

Determining, according to the identifier of the target storage node, a connection index of the plurality of target storage nodes from the connection index library;

Establishing a plurality of communication connections with the plurality of target storage nodes according to a connection index of the plurality of target storage nodes.
The method according to any one of claims 1 to 3, wherein the method further comprises:

After the file system is mounted, determining at least one communication connection from the plurality of communication connections;

Acquiring at least one object file based on the at least one communication connection accessing the corresponding target storage node.
The method according to claim 4, wherein the determining the at least one communication connection from the plurality of communication connections is specifically:

At least one communication connection having a small communication load is determined from the plurality of communication connections.
The method according to claim 5, wherein the determining at least one communication connection having a small communication load from the plurality of communication connections is specifically:

Determining, from the plurality of target storage nodes, a first storage node having a small number of communication connections;

From the plurality of communication connections, a communication connection with the first storage node is determined as a communication connection with a small communication load.
The method according to any one of claims 1 to 3, wherein the method further comprises:

After the file system is mounted, the target storage nodes corresponding to the plurality of communication connections are accessed in parallel to obtain a plurality of target files.
An apparatus for mounting a file system, wherein the file system is configured to manage files stored in a storage system; the apparatus includes:

An obtaining unit, configured to acquire identifiers of multiple target storage nodes, where the storage system includes multiple storage nodes;

a connecting unit, configured to establish, according to the identifiers of the multiple target storage nodes, multiple communication connections with the multiple target storage nodes;

a mounting unit for mounting a file system using the plurality of communication connections.
The device of claim 8 wherein said device comprises:

a determining unit, configured to determine, from the storage node included in the storage system, a storage node storing any data block in the target file as the target storage node, before the obtaining unit acquires the identifiers of the plurality of target storage nodes .
The device according to claim 8 or 9, wherein the connecting unit is specifically configured to:

Determining, according to the identifier of the target storage node, a connection index of the plurality of target storage nodes from the connection index library;

Establishing a plurality of communication connections with the plurality of target storage nodes according to a connection index of the plurality of target storage nodes.
A device according to any one of claims 8 to 10, characterized in that

The determining unit is further configured to: after the mounting unit mounts the file system, determine at least one communication connection from the plurality of communication connections;

The obtaining unit is further configured to acquire at least one object file based on the at least one communication connection accessing the corresponding target storage node.
The device according to claim 11, wherein the determining unit is specifically configured to:

At least one communication connection having a small communication load is determined from the plurality of communication connections.
The device according to claim 12, wherein the determining unit is specifically configured to:

Determining, from the plurality of target storage nodes, a first storage node having a small number of communication connections;

From the plurality of communication connections, a communication connection with the first storage node is determined as a communication connection with a small communication load.
The device according to any one of claims 8 to 10, wherein the obtaining unit is further configured to:

After the file system is mounted, the target storage nodes corresponding to the plurality of communication connections are accessed in parallel to obtain a plurality of target files.
An apparatus, comprising: at least one processor, a memory, and a communication interface; the at least one processor, the memory, and the communication interface are each connected by a bus;

The memory is configured to store a computer execution instruction;

The at least one processor, configured to execute the computer-executed instructions stored in the memory, such that the device performs data interaction with the storage system through the communication interface to execute the mount file according to any one of claims 1 to 7. Systematic approach.