WO2011003296A1 - 分布式管理监控系统及其监控方法、创建方法 - Google Patents

分布式管理监控系统及其监控方法、创建方法 Download PDF

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Publication number
WO2011003296A1
WO2011003296A1 PCT/CN2010/072497 CN2010072497W WO2011003296A1 WO 2011003296 A1 WO2011003296 A1 WO 2011003296A1 CN 2010072497 W CN2010072497 W CN 2010072497W WO 2011003296 A1 WO2011003296 A1 WO 2011003296A1
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Prior art keywords
file
descriptor table
monitoring
network element
distributed management
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PCT/CN2010/072497
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English (en)
French (fr)
Inventor
贾晓强
董学明
孙春明
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US13/258,273 priority Critical patent/US8898199B2/en
Priority to EP10796673.1A priority patent/EP2442489B1/en
Priority to KR1020127003326A priority patent/KR101336512B1/ko
Priority to JP2012518735A priority patent/JP5502999B2/ja
Priority to IN378DEN2012 priority patent/IN2012DN00378A/en
Publication of WO2011003296A1 publication Critical patent/WO2011003296A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04Network management architectures or arrangements
    • H04L41/042Network management architectures or arrangements comprising distributed management centres cooperatively managing the network
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/18File system types
    • G06F16/182Distributed file systems
    • G06F16/1824Distributed file systems implemented using Network-attached Storage [NAS] architecture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/22Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/40Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities

Definitions

  • the present invention relates to communication monitoring technologies, and in particular, to a distributed management monitoring system, a monitoring method thereof, and a creating method. Background technique
  • the communication service is rapidly developed, the communication network is becoming more and more complex, and the network elements in the communication system are also increasing.
  • the networking is becoming more and more complex, so the number of network elements that need to be managed is also rapidly increasing, which makes network element management more and more difficult.
  • each network element can operate normally and whether it can work stably is closely related to the vital interests of the majority of users. Therefore, this requires the entire monitoring system to reflect the running status of the boards in the NEs more quickly, and realize real-time reporting and real-time monitoring.
  • the monitoring methods for each network element are relatively scarce.
  • the existing monitoring system still has certain defects, such as: the internal communication subsystem and the network element of the network element of the wavelength division multiplexing (WDM) device.
  • the monitoring system of the communication subsystem is a centralized monitoring system, and the centralized reporting is still used.
  • the monitoring system has many problems such as slow performance query, insufficient timely reporting of alarms, lack of unified log management mode, scattered monitoring results, and numerous communication between network elements. This not only reduces the efficiency of system maintenance, but also leads to instability of the monitoring system.
  • the existing monitoring system is not able to monitor across platforms. The current network element monitoring method is far from meeting the current needs. Summary of the invention
  • the main object of the present invention is to provide a distributed management monitoring system and
  • the monitoring method and the creation method are implemented to implement independent monitoring of each network element, reduce unnecessary communication between network elements, and enhance the stability of the distributed management monitoring system.
  • the present invention discloses a method for creating a distributed management monitoring system, the method comprising: creating and initializing a monitoring platform and a file descriptor table of a distributed management system based on a distributed file system; establishing and initializing The root file system of the virtual file system VFS and the distributed management monitoring system, and the root file system is mounted on the VFS; and each network element is correspondingly mounted to the VFS according to the file system type of each network element; Create and initialize a device descriptor table, corresponding to updating the file descriptor table.
  • the monitoring platform for creating and initializing a distributed management system based on a distributed file system includes: initializing a server of the distributed management monitoring system; embedding the subfile system to be to the distributed management Monitoring the network element in the system, so that the network element interacts with the server; the network element creates a mapping management link between the local sub-file system and the server by loading the client-server client-server system, and provides a pair The read and write interface of the file of the subfile system.
  • the mapping of each network element to the virtual file system according to the file system type of each network element includes: determining whether a file system type of the network element to be mounted exists in the current VFS directory tree The mount point of the network element to be mounted, if any, the network element to be mounted is mounted to the distributed management monitoring system; if the corresponding initial mount point does not exist, the file system type of the network element to be mounted is corresponding. Adding a mount point of the network element to the VFS, and mounting the network element to the distributed management monitoring system.
  • the device descriptor table is created and initialized, and the file descriptor table is updated correspondingly: the information of the board in the network element is synchronously updated to the corresponding device descriptor table, and the server of the distributed management monitoring system is After the device descriptor table is updated, the information of the newly added network element is added in the file descriptor table, and the index link of the device descriptor table of the newly added network element is added; wherein the file descriptor table is the server to the child The index of the file system.
  • the present invention also discloses a monitoring method of a distributed management monitoring system, the method comprising: a sub-file system of a distributed management monitoring system periodically updating a file for recording monitoring information, and correspondingly updating a device descriptor table; The system updates the device descriptor table, and notifies the server to update the file descriptor table; the server finds the device descriptor table corresponding to the specified network element by traversing the file descriptor table, and reads the specified device according to the device descriptor table. file.
  • the distributed management monitoring system periodically updates the file for recording the monitoring information, and the corresponding update device descriptor table includes: each network element writes the various information collected by the sub-file system correspondingly for the traversal of the server. File, and synchronously modify the data field pointer in the device descriptor table.
  • the main control network management device searches the device descriptor table corresponding to the specified network element by traversing the file descriptor table of the server, and reads the specified file according to the device descriptor table, including: after receiving the monitoring instruction, the server determines Whether the monitoring command is legal, if not, the server returns a response message to the main control network management, notifying the main control network management that the monitoring instruction is invalid, and stopping the monitoring operation; if legal, the server allows the main control network management
  • the monitoring request and by traversing the file descriptor table, find the device descriptor table of the specific network element specified by the main control network tube, and then find and read the specified file.
  • the present invention provides a distributed management monitoring system, which includes: a server, a file descriptor table, and a subfile system; wherein: a server is configured to update a file descriptor table and traverse the file a descriptor table, where the device descriptor table corresponding to the network element specified by the monitoring instruction is found; a file descriptor table, configured to search for a device descriptor table corresponding to the specified network element according to the monitoring instruction received by the server; a file for periodically updating the recording monitoring information, and correspondingly updating the device descriptor table; the sub-file system further includes: a device descriptor table, configured to map a file for recording monitoring information of each network element, and according to the monitoring instruction Read the specified file.
  • the distributed management monitoring system further includes: a main control network management system, configured to monitor an instruction to the server; the server is specifically configured to: after receiving the monitoring instruction, determine the supervision Whether the control instruction is legal, when the monitoring instruction is invalid, returning a response message to the main control network management, informing the main control network management that the monitoring instruction is invalid, and stopping the current monitoring operation; and allowing the main control when the monitoring instruction is legal
  • the network management device monitors the request, and finds the device descriptor table of the specific network element specified by the main control network management system by traversing the file descriptor table, and then finds and reads the specified file.
  • the sub-file system is specifically configured to:: each network element writes, by using a sub-file system, various information collected by the sub-file system into a file traversed by the server, and synchronously modifies the device description.
  • the data field pointer in the table is specifically configured to: each network element writes, by using a sub-file system, various information collected by the sub-file system into a file traversed by the server, and synchronously modifies the device description.
  • the data field pointer in the table is specifically configured to: each network element writes, by using a sub-file system, various information collected by the sub-file system into a file traversed by the server, and synchronously modifies the device description.
  • the data field pointer in the table is specifically configured to: each network element writes, by using a sub-file system, various information collected by the sub-file system into a file traversed by the server, and synchronously modifies the device description.
  • the data field pointer in the table is specifically configured to: each network element writes, by using
  • the present invention introduces a distributed file system (DSS) into a monitoring system, and each network element supporting the distributed file system can independently monitor and manage itself, that is, Achieve distributed management. That is to say, one network element is an administrator, and the previous monitoring system has a lot of conventionally reported information, and the distributed management monitoring system of the present invention directly writes the monitoring information in the sub-file system local to the network element, and thus The information that needs to be reported before is directly written in the device descriptor table corresponding to each network element.
  • DSS distributed file system
  • the graphical control user interface controls the internal information of a specified network element, such as board performance information
  • the root file system finds the corresponding device by traversing the file descriptor table.
  • the descriptor table, the subfile system reads and reports the specified file content according to the device descriptor table. In this way, unnecessary communication between network elements is reduced, and communication speed and performance are improved.
  • the present invention is compatible with the centralized management mode of the network element in the past, and realizes centralized management and distributed management of the network element.
  • the network management unit of the present invention independently manages itself, that is, the monitoring management system of the present invention can be regarded as a single administrator monitoring mode for monitoring a single network element; In other words, the present invention is independently monitored by multiple administrators, that is, network elements.
  • the monitoring of multiple network elements can further highlight the advantages of the present invention, because the network polling message in the existing network element monitoring method causes a large amount of bandwidth waste, and the present invention is divided into The manner in which each network element implemented by the cloth management and monitoring system independently manages itself not only reduces communication between network elements, but also saves bandwidth inside the communication system, and implements load balancing of the monitoring management device system, and enhances network monitoring. System stability.
  • the distributed management monitoring system provided by the present invention is a monitoring device independent of a specific device, because the present invention introduces a distributed file system into a monitoring system of a network element, so that a network element supporting the distributed file system is embedded with a subfile.
  • the network element of the system can monitor and manage itself, but it has nothing to do with the specific equipment at the bottom of the network element, such as the structure of the network element and the number of boards. This not only enables unified and convenient management of network elements, but also timely and accurate. Monitor and handle the failure of the communication system.
  • the present invention establishes a mechanism for a device-independent distributed management monitoring system, that is, establishing a type, a rack type, or even a cross-company monitoring connection that does not need to distinguish the WDM system, thus supporting the distributed
  • the subracks in each network element in the distributed management and monitoring system of the file system are allowed to be mixed.
  • the routing standard is the best.
  • the subrack can be understood as a collection of single boards.
  • the network element monitoring method of the present invention implements cross-platform monitoring, which not only provides a device interconnection method of different vendors, but also reduces monitoring costs.
  • the present invention not only realizes the distributed management of the currently increasing network elements, but also greatly improves the communication speed and performance of the communication system, enhances the stability of the monitoring system, and realizes unified monitoring across platforms.
  • FIG. 1 is a schematic flowchart of a method for creating a distributed management monitoring system according to the present invention
  • FIG. 2 is a schematic flowchart of a monitoring method of a distributed management monitoring system according to the present invention
  • FIG. 3 is a schematic structural diagram of a distributed management monitoring system according to the present invention. detailed description
  • the present invention introduces a distributed file system into a network element, and establishes a point.
  • the cloth management and monitoring system and by establishing a file descriptor table and a device descriptor table, each network element supporting the distributed file system independently monitors and manages itself, thereby implementing distributed management of the network element.
  • the distributed management monitoring system refers to a monitoring system that introduces a distributed file system into a network element and performs distributed management on the network element.
  • the distributed file system
  • DFS is a client/server-based network server that includes servers for access by multiple users.
  • the distributed file system is easy to discover and manage network data, and the files of the distributed file system can be stored in different locations in the network, and a single, hierarchical multi-file client and server can be established on the network.
  • the distributed file system is not limited to a single file protocol, and it can support mapping of servers, shares, and files. As long as the file client supports local servers and shares, the mapping is not limited by the file client being used.
  • FIG. 1 a process of creating and loading a network element of the distributed management monitoring system of the present invention is shown, which includes the following steps:
  • Step 101 The server FS-Manager creates and initializes a monitoring platform of the distributed management monitoring system
  • the distributed management monitoring system organizes the monitoring information files on each network element in a tree structure, that is, constructs a directory tree, where the directory tree includes a server FS-Manager and a client. Therefore, in order to implement the support of the network element for the distributed management monitoring system, the FS-Manager embeds the sub-file system FS-Client in the distributed management monitoring system into the network element that needs to be monitored and managed based on the distributed file system. The interaction between the network element and the FS-Manager is implemented.
  • the network element in which the sub-file system FS_Client is embedded is the client.
  • Each of the network elements has a corresponding FS-Client, and the FS-Client is responsible for monitoring and managing the network element, and creating a file that records information about all the boards in the corresponding network element, and the same as the file.
  • Step device descriptor table The FS-Manager monitors and manages all FS-Clients, which is equivalent to the file server of the FS-Client, and the FS-Manager is provided with a file descriptor table corresponding to the device descriptor table that can be mapped to a specific network element.
  • the FS-Client is a software function module that provides an interface for the network element to be connected to the distributed management system to interact with the FS-Manager.
  • the network element in order to support the distributed management monitoring system, the network element also needs to load a client-server (Client-Server) system, and the mapping management link of the local FS-Client to the FS-Manager is created by the Client-Server system. It also provides read and write interfaces for FS-Client files, such as FS-Manager and network elements.
  • Client-Server client-server
  • FS-Client files such as FS-Manager and network elements.
  • a monitoring platform for a distributed management system based on a distributed file system is created and initialized, mainly by calling an FS-Manager initialization function provided by the distributed management monitoring system, such as a root-dfs-init function.
  • the server FS-Manager creates a monitoring platform for a distributed management system based on a distributed file system.
  • the distributed management monitoring system provides a number of functions, such as a file descriptor table initialization function dfs-fd-init, a virtual file system initialization function root-vfs-init, a file system mount function mount-root, and a network element.
  • the mount function mount_dev, the device descriptor table initialization function dev_ds-init, etc. are used for distributed management monitoring system calls. Moreover, in the process of introducing a distributed file system, operations such as a distributed file system, a database system, and various monitoring data structures are initialized.
  • the distributed file system provides a management interface for the FS-Manager; the database system is used to record historical information that needs to be recorded by the entire distributed management monitoring system, for example: recording abnormal information and normal information of the network element, and the The main control network management device sets monitoring information for a certain network element.
  • various monitoring data structures are the core management structure of the distributed management monitoring system.
  • the initialization of the distributed file system includes: initializing a directory structure, a connection point, and the like; and initializing the database system includes: initializing a log data structure, setting a network element of the main control network management, and the like;
  • the initialization of the monitoring data structure includes: initializing the network element information, the alarm, the performance, and the configuration information structure.
  • the distributed management monitoring system is responsible for monitoring whether the transmission system in the communication system is operating normally, and whether various boards are operating normally.
  • Each network element has a corresponding FS-Client, and the FS-Manager manages all FS-Clients, which is equivalent to the file server of the FS-Client.
  • the main control network manager can access the file or folder of the FS-Client mounted under the FS-Manager by simply accessing the FS-Manager of the shared distributed file system.
  • the main control network management system is a monitoring management interface on the PC, and can interact with the user to obtain all the network elements mounted on the distributed management monitoring system by accessing the FS-Manager.
  • Step 102 The FS_Manager establishes and initializes a file descriptor table.
  • the file descriptor table is an index of the FS-Manager to the FS-Client, that is, the FS-Manager maps to a linked list of the specific device descriptor table.
  • a file descriptor table is also established and initialized, which is mainly implemented by calling the file descriptor initialization function dfs_fd_init function.
  • the initialization operations on the file descriptor mainly include: initialization of the data structure of the file descriptor table, index link initialization corresponding to the device descriptor table, and the like. It is worth mentioning that the initialization of the file descriptor table can be synchronized with the initialization of the distributed management monitoring system described above.
  • the file descriptor table structure includes: basic information of the device descriptor table, such as a byte size of the device descriptor table, a type number, and a corresponding device Internet Protocol (IP) address, a corresponding device name, a data domain pointer, Equipment adjacent to the device, etc.
  • IP Internet Protocol
  • the corresponding device file descriptor table is found by using the IP address of the corresponding device, that is, the network element IP address; and the data field pointer in the file descriptor table is synchronously updated after the information in the device description table is updated.
  • the specific file descriptor table structure can be referred to the following example:
  • the device descriptor table covers all the board structure information, performance information, alarm information, and board inherent information of the FS-Client, such as board type and board function. Then, the FS-Manager finds a corresponding device descriptor table by traversing the file descriptor table, and finds a file for recording corresponding board information by using the descriptor table. Moreover, the device descriptor table is periodically updated according to specific monitoring requirements, for example, a 15-minute performance query, and the corresponding performance information in the performance file is recorded once in 15 minutes.
  • Step 103 The FS_Manager establishes and initializes a virtual file system (VFS).
  • the VFS is an interaction interface between the upper layer application and the underlying file system, so in order to facilitate the interaction between the FS-Manager and the FS-Client, the creation is performed.
  • a virtual file system, VFS is created.
  • a VFS directory tree is constructed by calling a VFS initialization function, such as the root vfs init() function, and the corresponding data structure on the VFS directory tree is initialized.
  • the corresponding data structure refers to: a linked list on the directory tree, such as a linked list formed by various FS-Client mount points.
  • the initialization of the VFS refers to instantiating the file system types of various network elements and forming a linked list, that is, mounting the network elements of different file system types in the VFS directory tree according to the file system types of the various network elements. point. This is because the type of file system of the monitored network element may vary. Various types of file systems include: FAT, ext2, ext3, and so on. Therefore, for mounting For the NEs of different file system types, the VFS initializes the default mount point for the file system type of the NE to be mounted. When a new file system type network element is mounted, a mount point corresponding to the file system type is added for the network element with the new file system type to be mounted.
  • Step 104 The FS-Manager establishes a root file system of the distributed management monitoring system, and mounts the root file system to the VFS, and initializes all the network element information structures;
  • the FS-Manager establishes the root file system of the distributed management monitoring system, and mounts the root file system by calling the root file system mount function, such as the mount_root() function, that is, the root file system is mounted on the VFS. And initialize the network element information structure of the distributed management monitoring system.
  • the root file system is equivalent to a mount point corresponding to the default file system type.
  • the main control network management system calls the VFS-initiated file operation and other instructions through the distributed management monitoring system, and will be taken over by the corresponding function interface in the root file system, for example: VFS read instruction vfs-read, the actual call is The read function of the file system is root-read.
  • the initialization of all network element information structures includes: initializing monitoring performance, alarms, events, and other file structures and pointing devices.
  • the initialization of the network element information structure is actually to initialize an empty linked list of the network element to provide an interface for the mounted network element.
  • the file structure of the performance, the alarm, the event, and the like is also provided, and an interface is also provided.
  • the network element information is correspondingly recorded in the linked list and the file structure, for example, the FS-Client corresponding to the network element.
  • the name and the file system type, the information of all the boards in the network element, etc., are recorded in the file descriptor table with the initialized network element information structure as the master.
  • the FS-Manager is provided with a file descriptor table of its same level, and the file descriptor table is a linked list of device descriptor tables mapped to a specific network element, that is, the file descriptor table passes the device descriptor
  • the table IP address is linked to implement the index of the FS-Manager to the FS-Client, providing a fast retrieval path. In this way, the main control network manager only needs to access a FS-Manager sharing a distributed file system, and can access the files or folders of the FS-Client mounted under the FS-Manager.
  • Step 105 The FS-Manager mounts the network element to the distributed management monitoring system, and determines whether the file system type of the network element to be mounted has a corresponding mount point in the current VFS directory tree. If yes, Step 106; If there is no corresponding initial mount point, step 107 is performed; Step 106, FS-Manager mounts the network element to be mounted to the distributed management monitoring system, and then step 108;
  • the network element is added to the corresponding mount point on the VFS directory tree in the distributed management monitoring system according to the file system type of the network element to be mounted.
  • the FS-Client based FS-Client is embedded in the mounted network element, and the network element monitors and manages itself through the FS-Client.
  • a file for recording all the board information in the corresponding network element and a device descriptor table synchronized with the file are created in the FS-Client.
  • the network element or the upper application finds the location of the specified file, thereby enabling the specified file to be read, written, and the like.
  • the file includes various performance files, an alarm file, and a configuration file
  • the configuration file is used to record the inherent information of the board, such as the board type and the board function.
  • the files are classified according to the type of information recorded, such as the alarm information is recorded in the alarm file, and the performance information is recorded in the performance file.
  • the information of all the boards in the NE is synchronized to the device descriptor table of the FS-Client.
  • the device descriptor table covers information about all boards in the NE, such as structure, performance, alarm, and inherent information.
  • the network element mount function such as the mount_device (unsigned int IP-Address) function, is used to mount all network elements to the mount point on the VFS directory tree of the distributed management monitoring system. Therefore, the operation of the FS-Manager on a mount point in the VFS directory tree is converted into the corresponding operation of the FS-Client that is specifically mounted to the mount point, for example: when the VFS is modified or a file is created, Vfs_write is implemented, and the vfs_write calls the FS-Client write operation.
  • mount_device unsigned int IP-Address
  • Step 107 Corresponding to the file system type of the network element to be mounted, the FS-Manager adds a mount point of the network element to the VFS, and mounts the network element to the distributed management monitoring system.
  • the FS-Manager mounts the newly added network element to the distributed management monitoring system, that is, an index node (iNODE) of the binary tree in the VFS, iNODE is correspondingly suspended.
  • the network element carried in the VFS directory tree has an FS-Client based FS-Client in the iNODE to manage the network element.
  • Step 108 After the network element is mounted, the FS-Client creates and initializes a device descriptor table, and updates the file descriptor table correspondingly.
  • the device descriptor table is an information mapping table of all the boards in the network element. Therefore, when a network element is mounted to the VFS directory tree, the FS-Manager notifies the FS-Client to create and initialize the device description of the network element. The table is mapped to the device descriptor table.
  • the device descriptor table is initialized by calling the initial 4 ⁇ function of the device 4, and the dev_ds_init (unsigned int Ip_Address) function is mainly used to map the device descriptor table to the specific network element, that is, The information of all the boards in the NE will be synchronized to the device descriptor table of the FS-Client, and the mapping of all NEs to the FS-Manager will be initialized.
  • the device descriptor table structure includes: basic information of the device, such as a device identifier (ID), a device manufacturer ID, a management device IP address chain, a corresponding device name, a data domain pointer, and a communication protocol supported by the device. , data block read and write and other parts.
  • the management device IP address chain is the IP address of the internal board of the network element.
  • Struct super_block *(*rw— super) (struct super— block *, void *, int); Read and write
  • the FS-Client notifies the FS-Manager to update the file descriptor table, that is: the FS-Manager adds a new network to the file descriptor table by calling the update_fd function.
  • the information of the element is added to the index link of the device descriptor table of the newly added network element to establish a mapping between the mounted network element and the FS-Manager, that is, the connection between the device descriptor table and the file descriptor table.
  • the board reports the performance information to the NE.
  • the NE writes the reported performance information to the corresponding file in the FS-Client and updates the device to the device. Descriptor table.
  • FS—Client will notify FS—Manager to update the data field pointer in the file descriptor table.
  • the FS-Manager can find the corresponding file when querying a file that records the information of the specified board. For example, when the storage location of the performance file of a specified board is found through the device descriptor table, the performance content reported by the board is written by the write function of the distributed management monitoring system, such as the d-write function.
  • the device descriptor table covers information about all boards in the network element, such as structure, performance, alarm, and inherent information.
  • Step 201 The distributed management monitoring system periodically updates the file that records the monitoring information, and corresponds to Update the device descriptor table;
  • the file that records the monitoring information is a file in which the FS-Client records various information of the monitored network element, and each network element is responsible for collecting various internal information, such as alarm information and performance information of the board, and
  • the various information collected by the FS-Client is correspondingly written into a file traversed by the FS-Manager, such as a file descriptor table, and is synchronously updated into the device descriptor table. For example, if a board reports 15 minutes of performance information, the board reports the performance information to the NE.
  • the network element writes the reported 15-minute performance information to the local 15-minute performance file through the FS-Client.
  • Step 202 After updating the device descriptor table, the FS-Client notifies the FS-Manager to update the file descriptor table;
  • the FS-Manager is reported, and the FS-Manager is notified to synchronously update the file descriptor table.
  • the FS-Client has a Dynamic Link File (DLF), which is used to indicate the current file changes in the FS-Client, such as the addition or deletion of files.
  • DLF Dynamic Link File
  • the DLF detects the file change, it will notify the FS-Manager to update the relevant information in the file descriptor table, such as: update the location of the newly added file, the IP of the belonging network element, the size of the file, etc.
  • After updating the file descriptor table further It is determined whether the performance information or the alarm information for the update needs to be reported to the main control network management system.
  • FS-Manager learns the file update by the following two methods: FS-Manager timed query and FS-Client active report.
  • FS Manager only needs to check the real-time changes of files by polling. For example: FS—The application layer of Manager will be 15 minutes, and a 15-minute performance file will be read. In this way, the FS-Client shields a large amount of monitoring information that needs to be reported between network elements and can be monitored in real time.
  • the FS-Manager determines whether it needs to be reported to the main control network management system according to the information content reported by the FS-Client, and the basis for determining whether to report to the main control network management system is also different depending on the reported information. For more important information, such as the alarm information that a board fails to stop working, the FS-Manager will report it to the main control network management system, so that the main control network management can display it to the user in time. And for The more common performance information reported will not be reported to the main control network management.
  • Step 203 The main control network management sends a monitoring instruction to the FS-Manager.
  • the main control network management system in addition to reporting the information of each network element through the FS-Manager, the main control network management system also obtains the information of the specified network element by issuing a monitoring instruction to the FS-Manager.
  • the monitoring command is a monitoring command set by the main control network management system for a specific board, for example, reading an alarm query and a performance query of the specified board.
  • Step 204 after receiving the request, the FS-Manager determines whether the monitoring instruction is legal. If it is not legal, step 205 is performed; if it is legal, step 206 is performed;
  • Whether the monitoring instruction is legal or not is generally determined whether the message format of the monitoring instruction is correct, or whether the FS-Manager supports the monitoring instruction.
  • Step 205 The FS-Manager returns a response message to the main control network management, notifying the main control network management that the monitoring instruction is invalid, and stopping the monitoring operation.
  • Step 206 The FS-Manager allows the main control network management device to monitor the request, and traverses the file descriptor table to find the device descriptor table of the specific network element specified by the main control network management device, thereby finding and reading the specified file;
  • the FS-Manager allows the main control network to monitor the request, and through the traversal of the file descriptor table, find the corresponding device file descriptor table according to the IP address of the network element specified by the main control network management system.
  • FS—Client finds the location of the specified file through the device descriptor table and reads the specified file content.
  • the main control network management system is to read a file by the FS-Manager, such as querying the performance of a certain type of board
  • the FS-Manager calls a read function of the distributed management monitoring system, such as a d-read function. Find the corresponding file content in the file descriptor table according to the IP address of the specified file.
  • the main control network management system sends an alarm query query command to the specific board.
  • the FS-Manager finds the corresponding device descriptor table by traversing the file descriptor table.
  • the FS-Client finds the device descriptor table.
  • the FS Client reads the specified file according to the device descriptor table by calling its own read function.
  • Corresponding information items such as: Query the 15-minute performance of a board, and find and read the corresponding 15-minute performance file.
  • Step 207 The FS-Manager feeds back the content of the read file to the main control network management system.
  • the main control network manager can access the file or folder of the FS-Client mounted under the FS-Manager by simply accessing the FS-Manager, and the main control network management does not need to know the accessed access during the access process.
  • FS The actual physical location of the Client device descriptor table. It can be seen that after the distributed management is introduced into the distributed management and monitoring system, the boards in the NE are not directly connected to the FS-Manager because each NE is equivalent to an administrator. Therefore, in the past, many conventionally reported information is directly written in the device descriptor table of the local network element. When the main control network management queries the information of the specified network element, the main control network management device reads the FS.
  • the Manager's file descriptor table can be implemented, reducing a large amount of unnecessary inter-network communication.
  • the information exchange between the network elements can be performed by using TCP/IP or UDP.
  • the communication type between the FS-Manager and the FS-Client in this embodiment is TCP/IP.
  • a mechanism for establishing a device-independent distributed management monitoring system is established, that is, a type, a rack type, or even a cross-company monitoring connection that does not need to distinguish the WDM system is established, so the distribution is
  • the subracks in each network element in the management and monitoring system are allowed to be mixed.
  • the subrack can be understood as a collection of single boards. Therefore, the present embodiment implements cross-platform monitoring, enabling devices manufactured by different manufacturers to interconnect methods and reducing monitoring costs.
  • the present invention further provides a distributed management monitoring system, as shown in FIG. 3, including: a server FS-Manager 301, a file descriptor table 302, a sub-file system FS-Client 303, Device Descriptor Table 3031; where:
  • the server 301 is configured to update the file descriptor table 302 and find the device descriptor table 3031 corresponding to the network element specified by the monitoring instruction by traversing the file descriptor table 302;
  • a file descriptor table 302 configured to find a device descriptor table 3031 corresponding to the specified network element according to the monitoring instruction received by the server 301;
  • a subfile system 303 configured to periodically update a file that records monitoring information, and correspondingly update a device descriptor table
  • the sub-file system 303 further includes: a device descriptor table 3031, configured to map a file that records monitoring information of each network element, and read the specified file according to the monitoring instruction.
  • the device further includes: a main control network management unit 304, configured to send a monitoring instruction to the server 301; the server 301 is specifically configured to: after receiving the monitoring instruction of the main control network management unit 304, determine the monitoring instruction If it is not legal, the server 301 returns a response message to the main control network management unit 304, notifying the main control network management unit 304 that the monitoring instruction is invalid, and stopping the current monitoring operation; if it is legal, the server 301 allows the main control network management The monitoring request of 304, and by traversing the file descriptor table 302, find the device descriptor table 3031 of the specific network element specified by the main control network management unit 304, and then find and read the specified file.
  • a main control network management unit 304 configured to send a monitoring instruction to the server 301
  • the server 301 is specifically configured to: after receiving the monitoring instruction of the main control network management unit 304, determine the monitoring instruction If it is not legal, the server 301 returns a response message to the main control network management unit 304, notifying
  • the sub-file system 303 is specifically configured to: write, by the sub-file system 303, the various information collected by the sub-files to the file traversed by the server 301, and synchronously modify the device descriptor table 3031. Data field pointer.

Description

分布式管理监控系统及其监控方法、 创建方法 技术领域
本发明涉及通信监控技术, 特别是涉及一种分布式管理监控系统及其 监控方法、 创建方法。 背景技术
随着网络需求越来越多, 通信业务迅速地开展起来, 通信网络也越来 越复杂, 通信系统中的网元也越来越多。 而且, 由于网络运营商对 40G业务 以及更高速业务等的需求日益增多, 致使组网越来越复杂, 因此需要管理 的网元数量也迅速增多, 导致网元管理越来越困难。
然而, 各个网元能否正常运行、 能否稳定工作, 都密切关系到广大用 户的切身利益。 所以, 这就要求整个监控系统在正常运行的前提下能够更 加快速地反映网元内单板的运行情况, 实现实时上报与实时监控。 但是, 目前对各个网元的监控手段相对匮乏, 而且, 现有的监控系统还存在一定 的缺陷, 如: 波分复用 (WDM, Wavelength Division Multiplexing )设备的 网元内部通信子系统和网元之间通信子系统的监控系统, 其为集中式的监 控系统, 依然釆用集中上报为主。 该监控系统存在性能查询速度慢、 告警 上报不够及时、 缺乏统一的日志管理方式、 监控结果分散以及网元间通信 繁多等多种问题。 这不仅降低了系统维护的效率, 而且导致了监控系统的 不稳定。 另外, 现有的监控系统还不能够跨平台监控, 目前的网元监控方 法已远远不能满足现在的需求。 发明内容
有鉴于此, 本发明的主要目的在于提供一种分布式管理监控系统及其 监控方法、 创建方法, 以实现各网元对自身的独立地监控, 减少不必要的 网元间通信, 增强分布式管理监控系统的稳定性。
为达到上述目的, 本发明公开了一种分布式管理监控系统的创建方法, 该方法包括: 创建并初始化基于分布式文件系统的分布式管理监控系统的 监控平台及文件描述符表;建立并初始化虚拟文件系统 VFS及分布式管理监 控系统的根文件系统, 并将根文件系统挂载到所述 VFS上; 根据各个网元的 文件系统类型,将各个网元对应挂载到所述 VFS上;创建并初始化设备描述 符表, 对应更新所述文件描述符表。
上述方法中, 所述创建并初始化基于分布式文件系统的分布式管理监 控系统的监控平台包括: 初始化分布式管理监控系统的服务端; 将子文件 系统嵌入至待挂载到所述分布式管理监控系统中的网元, 使所述网元与服 务端进行交互; 所述网元通过加载客户端—服务端 Client— Server系统, 来创 建本地子文件系统到服务端的映射管理链接, 并提供对子文件系统的文件 的读写接口。
其中, 所述根据各个网元的文件系统类型, 将各个网元对应挂载到所 述虚拟文件系统上包括: 判断待挂载的网元的文件系统类型是否在当前的 VFS目录树上存在对应的挂载点,如果存在,将所述待挂载的网元挂载到分 布式管理监控系统; 如果不存在对应的初始挂载点, 则对应所述待挂载的 网元的文件系统类型,在 VFS添加所述网元的挂载点,并将所述网元挂载到 分布式管理监控系统中。
上述方法中, 所述创建并初始化设备描述符表, 对应更新所述文件描 述符表包括: 网元内单板的信息会同步更新到对应的设备描述符表, 分布 式管理监控系统的服务端在获知设备描述符表更新后, 会在文件描述符表 中添加新增网元的信息并增加该新增网元的设备描述符表的索引链接; 其 中, 文件描述符表为服务端到子文件系统的索引。 相应地, 本发明还公开了一种分布式管理监控系统的监控方法, 该方 法包括: 分布式管理监控系统的子文件系统定时更新记录监控信息的文件, 并对应更新设备描述符表; 子文件系统更新设备描述符表, 并通知服务端 更新文件描述符表; 服务端通过遍历文件描述符表, 找到指定的网元所对 应的设备描述符表, 并根据该设备描述符表读取指定的文件。
其中, 所述分布式管理监控系统定时更新记录监控信息的文件, 并对 应更新设备描述符表包括: 各网元通过子文件系统将釆集到的各种信息对 应地写入供服务端遍历的文件, 并同步修改所述设备描述符表中的数据域 指针。 所述主控网管通过遍历服务端的文件描述符表, 找到指定的网元所 对应的设备描述符表, 并根据该设备描述符表读取指定的文件包括: 服务 端收到监控指令后, 判断所述监控指令是否合法, 如果不合法, 则服务端 向主控网管返回响应消息, 通知主控网管其监控指令不合法, 并停止本次 的监控操作; 如果合法, 则服务端允许主控网管的监控请求, 并通过遍历 文件描述符表, 找到主控网管指定的具体网元的设备描述符表, 进而找到 并读取所指定的文件。
为实现上述方法, 本发明提供一种分布式管理监控系统, 该系统包括: 服务端、 文件描述符表、 子文件系统; 其中: 服务端, 用于更新文件描述 符表并通过遍历所述文件描述符表, 找到监控指令所指定的网元对应的设 备描述符表; 文件描述符表, 用于根据服务端所接收的监控指令寻找指定 的网元所对应的设备描述符表; 子文件系统, 用于定时更新记录监控信息 的文件, 并对应更新设备描述符表; 所述子文件系统还包括: 设备描述符 表, 用于映射记录各网元监控信息的文件, 并根据所述监控指令读取指定 的文件。
其中, 上述分布式管理监控系统还包括: 主控网管, 用于向所述服务 端监控指令; 所述服务端具体用于: 在收到所述监控指令后, 判断所述监 控指令是否合法, 在所述监控指令不合法时向主控网管返回响应消息, 通 知主控网管其监控指令不合法, 并停止本次的监控操作; 并在所述监控指 令合法时允许主控网管的监控请求, 并通过遍历文件描述符表, 找到主控 网管指定的具体网元的设备描述符表, 进而找到并读取所指定的文件。
上述分布式管理监控系统中, 所述子文件系统具体用于: 各网元通过 子文件系统将釆集到的各种信息对应地写入供服务端遍历的文件, 并同步 修改所述设备描述符表中的数据域指针。
由以上技术方案可以看出,本发明将分布式文件系统( DFS , Distributed File Systems ) 引入到监控系统中, 每个支持分布式文件系统的网元都能够 对自身进行独立的监控与管理, 即实现了分布式管理。 也就是说, 一个网 元即为一个管理员, 以往的监控系统有很多常规上报的信息, 而本发明的 分布式管理监控系统直接将监控信息写在网元本地的子文件系统中, 这样 也就直接将以前需要上报的信息写在各网元对应的设备描述符表中。 当主 控网管, 如图形用户界面 ( GUI , Graphical User Interface )主控网管, 查询 指定的某个网元的内部信息如单板性能信息时, 根文件系统通过遍历文件 描述符表找到对应的设备描述符表, 子文件系统根据设备描述符表来读取 并上报指定的文件内容。 如此, 减少了不必要的网元间通信, 提高了通信 速度和性能。
另外, 本发明兼容了以往对网元进行的集中管理方式, 同时实现了对 网元的集中管理和分布式管理, 这样, 从以往一个管理员对所有网元进行 的监控管理方式, 转变成了本发明的各个网元对自身进行独立管理的方式, 也就是说: 对监控单一网元来讲, 本发明的分布式管理监控系统可视为单 一管理员的监控方式; 对多个网元来讲, 本发明则由多个管理员即各网元 独立进行监控。 其中, 对多个网元进行监控更能突出本发明的优势, 因为 现有的网元监控方法中网络轮询报文造成了大量的带宽浪费, 而本发明分 布式管理监控系统实现的各个网元对自身进行独立管理的方式, 不仅减少 了网元间的通信, 节省了通信系统内部的带宽, 并且实现了监控管理设备 系统的负载均衡, 增强了网监控系统的稳定性。
而且, 本发明提供的分布式管理监控系统是与具体设备无关的监控系 统, 因为本发明通过将分布式文件系统引入网元的监控系统, 使得支持分 布式文件系统的网元即嵌入了子文件系统的网元, 能够对自身进行监控管 理, 而与该网元底层的具体设备, 如网元组成结构、 单板数量等无关, 这 样不仅能够实现统一、 方便地管理网元, 还能够及时准确地监控和处理通 信系统的故障。 由此, 本发明建立一种与设备无关的分布式管理监控系统 的机制, 即建立一种不需区分 WDM系统的类型、 机架类型, 甚至是跨公司 的监控连接, 因此支持所述分布式文件系统的分布式管理监控系统中的各 网元内的子架是允许混用的, 当然如果子架具有统一的背板设计走线标准 是最好的。 其中, 所述子架可以理解为单板的集合。 如此, 本发明的网元 监控方法实现了跨平台监控, 不仅提供了一种不同厂商的设备互连方法, 同时还降低了监控成本。
可见, 本发明不仅实现了对目前逐渐增多的网元的分布式管理, 而且 极大地提高了通信系统的通信速度和性能, 增强了监控系统的稳定性, 还 实现了跨平台的统一监控。 附图说明
图 1为本发明分布式管理监控系统的创建方法流程示意图;
图 2为本发明分布式管理监控系统的监控方法流程示意图;
图 3为本发明分布式管理监控系统的结构示意图。 具体实施方式
本发明的基本思想在于: 本发明将分布式文件系统引入网元, 建立分 布式管理监控系统, 并且通过建立文件描述符表与设备描述符表, 使每个 支持分布式文件系统的网元对自身进行独立监控与管理, 从而实现对网元 的分布式管理。
需要说明的是, 所述分布式管理监控系统是指将分布式文件系统引入 网元并对网元进行分布式管理的监控系统。 这里, 所述分布式文件系统
( DFS )是基于客户机 /服务器模式的网络服务器, 包括供多个用户访问的 服务器。 其中, 借助所述分布式文件系统易于发现和管理网络数据, 而且 分布式文件系统的文件能够存储在网络中的不同的位置, 能够在网络上建 立一个单一的、 层次化多重文件客户端和服务器。 而且, 所述分布式文件 系统并不限于单一的文件协议, 它能够支持对服务器、 共享及文件的映射。 只要在文件客户端支持本地服务器和共享的情况下, 所述映射不会受到正 在被使用的文件客户的限制。
为使本发明上述目的、 特征和优点能够更加明显易懂, 下面结合附图 和具体实施例对本发明作进一步详细的说明。 参照图 1 , 示出了本发明分布 式管理监控系统的创建及加载网元的过程, 包括如下步骤:
步骤 101 ,服务端 FS— Manager创建并初始化分布式管理监控系统的监控 平台;
本实施例中, 所述分布式管理监控系统将各个网元上的监控信息文件 以树形结构组织在一起, 即构建成一个目录树, 该目录树包括服务端 FS— Manager和客户端。 于是, 为了实现网元对分布式管理监控系统的支持, FS— Manager基于分布式文件系统, 将所述分布式管理监控系统中的子文件 系统 FS— Client , 嵌入至需要监控和管理的网元中, 实现所述网元与 FS— Manager的交互。 这里, 嵌入了子文件系统 FS— Client的网元为客户端。 其中 , 每个网元都具有一个对应的 FS— Client, FS— Client负责网元的监控和 管理, 并创建有记录对应网元内所有单板信息等的文件、 以及与该文件同 步的设备描述符表。 而所述 FS— Manager监控和管理所有的 FS— Client, 相当 于 FS— Client的文件服务器, 且所述 FS— Manager配有与能够映射到具体网元 的设备描述符表对应的文件描述符表。 实际上, 所述 FS— Client作为一种软 件功能模块, 为网元挂载到分布式管理系统提供一种与 FS— Manager进行交 互的接口。 并且, 为了支持所述分布式管理监控系统, 网元还需加载客户 端—服务端 ( Client— Server ) 系统, 通过所述 Client— Server系统创建本地 FS— Client到 FS— Manager的映射管理链接, 并提供 FS— Manager、 网元等对 FS— Client文件的读写接口等。
本步骤中, 创建并初始化基于分布式文件系统的分布式管理监控系统 的监控平台, 主要是通过调用分布式管理监控系统提供的 FS— Manager初始 化函数, 如 root— dfs— init函数, 来初始化所述服务端 FS— Manager, 创建基于 分布式文件系统的分布式管理监控系统的监控平台。 其中, 该分布式管理 监控系统提供了很多函数, 例如文件描述符表初始化函数 dfs— fd— init、 虚拟 文件系统初始化函数 root— vfs— init、才艮文件系统挂载函数 mount— root、 网元挂 载函数 mount— dev、 设备描述符表初始化函数 dev— ds— init等, 以供分布式管 理监控系统调用。 并且, 在引入分布式文件系统的过程中, 要对分布式文 件系统、 数据库系统、 各种监控数据结构进行初始化等操作。 其中, 所述 分布式文件系统为 FS— Manager提供管理接口; 所述数据库系统用于记录整 个分布式管理监控系统需要记录的历史信息, 例如: 记录网元的异常信息 和正常信息、 以及所述主控网管针对某个网元的监控设置信息。 其中, 各 种监控数据结构为分布式管理监控系统的核心管理结构。 此处, 所述分布 式文件系统的初始化包括: 对目录结构、 连接点等进行初始化; 所述数据 库系统的初始化包括: 初始化日志数据结构、 主控网管初始化网元的设置 等信息; 所述各种监控数据结构的初始化包括: 对网元信息、 告警、 性能、 配置信息结构进行初始化。 需要指出的是, 所述分布式管理监控系统负责监控通信系统中的传输 系统等是否正常运行、 各种单板运行是否正常。 每个网元都具有一个对应 的 FS— Client, 而所述 FS— Manager管理所有的 FS— Client, 相当于 FS— Client的 文件服务器。 这样, 所述主控网管只需访问一个共享分布式文件系统的 FS— Manager, 就能够访问挂载在该 FS— Manager下的 FS— Client的文件或文件 夹。 其中, 主控网管为一种位于 PC机上的监控管理界面, 可以和用户交互, 通过访问 FS— Manager来获得挂载在该分布式管理监控系统上所有网元的情 况。
步骤 102 , FS— Manager建立并初始化文件描述符表;
本步骤中, 所述文件描述符表为 FS— Manager到 FS— Client的索引, 即 FS— Manager映射到具体的设备描述符表的一个链表。 在所述分布式管理监 控系统的监控平台初始化之后, 还要建立并初始化文件描述符表, 这主要 通过调用文件描述符初始化函数 dfs— fd— init函数来实现。 对文件描述符进行 的初始化操作主要包括: 文件描述符表数据结构的初始化、 对应于设备描 述符表的索引链接初始化等。 值得一提的是, 该文件描述符表的初始化可 与上述分布式管理监控系统的初始化同步进行。
其中, 所述文件描述符表结构包括: 设备描述符表的基本信息、 如设 备描述符表的字节大小、 类型编号, 以及对应设备网际协议(IP )地址、 对 应设备名称、 数据域指针、 该设备前后相邻的设备等。 其中, 通过所述对 应设备的 IP地址即网元 IP地址, 找到对应的设备文件描述符表; 并且当设备 描述表中的信息进行更新后的会同步更新文件描述符表中的数据域指针。 具体的文件描述符表结构可参考下例所示:
struct FILE DCESC TPTO ST UCT{
BYTE biengdi; //设备描述符表的字节数大小
BYTE bDescripiorType; //设备描述符表类型编号
DWORD dwDevIp; //对应设备. IP地址 BYTE *bName; /对应设备名称
void *bDeviceDataArea; //-数据 4十
WORD wDeviceCommProtocol: 〃设 -备支持通信协议
striici DEVICE DCESCRIPTOR STRUCT *p extDevFD; ././前一设备 struct— DEVICE— DCESCRIPTOR— STRUCT *pFreViewD vFD; 〃后一设 备
) -:
这里, 所述设备描述符表涵盖了 FS— Client内部所有单板结构信息、 性 能信息、 告警信息、 以及单板固有信息, 如板类型、 板功能等。 于是, 所 述 FS— Manager通过遍历文件描述符表来找到对应的设备描述符表, 通过该 设描述符表查到记录对应单板信息的文件。 而且, 所述设备描述符表根据 具体的监控需要会进行定时更新, 例如: 15分钟性能查询, 则 15分钟更新 一次记录性能文件中对应的性能信息。
步骤 103 , FS— Manager建立并初始化虚拟文件系统( VFS ) ; 其中, VFS是上层应用与底层文件系统之间的交互接口, 因此为便于实 现 FS— Manager与 FS— Client之间的交互, 在创建分布式管理监控系统时, 建 立一个虚拟文件系统即 VFS。 具体地, 通过调用 VFS初始化函数, 如 root vfs init ( )函数来构建一棵 VFS的目录树, 并初始化 VFS目录树上相应 的数据结构。 该相应的数据结构是指: 目录树上的挂载链表, 如以各种 FS— Client的挂载点形成的链表等。
另外,对 VFS的初始化是指将各种网元的文件系统类型实例化并形成链 表, 即根据各种网元的文件系统类型,在 VFS目录树上针对不同文件系统类 型的网元提供挂载点。 这是因为, 被监控的网元的文件系统的类型可能会 有所不同, 各种类型的文件系统包括: FAT, ext2 , ext3等。 因此, 为挂载 各种不同文件系统类型的网元, VFS在初始化时会针对待挂载的网元的文件 系统类型设置默认的挂载点。 当挂载新的文件系统类型的网元时, 会对应 增加一个与该文件系统类型对应的挂载点, 以供该具有新的文件系统类型 的网元进行挂载。
步骤 104, FS— Manager建立分布式管理监控系统的根文件系统, 并且将 根文件系统挂载到 VFS上, 初始化所有的网元信息结构;
本步骤中, FS— Manager建立分布式管理监控系统的根文件系统, 并通 过调用根文件系统挂载函数, 如 mount— root ( )函数挂载根文件系统, 即将 根文件系统挂载到 VFS上, 并初始化分布式管理监控系统的网元信息结构 等。 此处, 所述根文件系统相当于一种对应默认文件系统类型的挂载点。 这样, 主控网管通过分布式管理监控系统调用对 VFS发起的文件操作等指 令,将被根文件系统中对应的函数接口所接管,例如: VFS的读指令 vfs— read, 实际调用的是才艮文件系统的读函数 root— read。其中,初始化所有的网元信息 结构包括: 初始化监控性能、 告警、 事件等文件结构及指针设备等。 这里, 初始化所述网元信息结构, 实际上是在初始化网元的空的链表, 为挂载网 元提供接口。 而且, 初始化性能、 告警、 事件等文件结构, 也是提供一个 接口, 为后续挂载网元时, 以将网元信息对应记录到所述链表及文件结构 中, 如将网元对应的 FS— Client的名称和文件系统类型、 网元的内部所有单 板的信息等, 以初始化的网元信息结构为母版记录到文件描述符表中。
这里, 所述 FS— Manager配有与其同级的文件描述符表, 该文件描述符 表是映射到具体网元的设备描述符表的一种链表, 即该文件描述符表通过 与设备描述符表 IP地址进行链接, 来实现 FS— Manager到 FS— Client的索引, 提供了一个快速检索途径。 这样, 主控网管只需访问一个共享分布式文件 系统的 FS— Manager, 就能够访问挂载在该 FS— Manager下的 FS— Client的文件 或文件夹。 步骤 105 , FS— Manager将网元挂载到分布式管理监控系统中, 并判断待 挂载的网元的文件系统类型是否在当前的 VFS目录树上存在对应的挂载点, 如果存在,则执行步骤 106;如果不存在对应的初始挂载点,则执行步骤 107; 步骤 106 , FS— Manager将所述待挂载的网元挂载到分布式管理监控系 统, 然后执行步骤 108;
本步骤中, 根据所述待挂载的网元的文件系统类型, 将该网元添加到 分布式管理监控系统中 VFS目录树上的对应挂载点。并且,该挂载的网元中 嵌入有一个基于 FS— Manager的 FS— Client, 该网元通过 FS— Client来对自身进 行监控与管理。 其中, 所述 FS— Client中创建有记录对应网元内所有单板信 息的文件、 以及与该文件同步的设备描述符表。 通过该设备描述符表, 网 元或上层应用找到其指定的文件的位置, 进而得以对指定的文件进行读、 写等操作。 这里, 所述文件包括各种性能文件、 告警文件及配置文件等, 该配置文件用于记录单板的固有信息, 如单板类型、 单板功能等。 而且, 所述文件是按照所记录的信息类别来划分的, 如告警信息记录在告警文件 中, 而性能信息则记录在性能文件中。 该网元内部所有单板的信息同步到 FS— Client的设备描述符表中, 该设备描述符表涵盖了该网元内部所有单板 的信息, 如结构、 性能、 告警、 固有信息等。
其中, 通过调用网元挂载函数, 如 Mount— device ( unsigned int IP— Address )函数将所有网元都挂载到分布式管理监控系统的 VFS目录树上 的挂载点。 于是, FS— Manager对 VFS目录树中某一挂载点的操作, 会转化 为对具体挂载到该挂载点上的 FS— Client的对应操作,例如: VFS修改或创建 一个文件时, 通过 vfs— write来实现, 而所述 vfs— write调用的是 FS— Client的写 操作。
步骤 107, 对应所述待挂载的网元的文件系统类型, FS— Manager在 VFS 添加所述网元的挂载点, 并将所述网元挂载到分布式管理监控系统中; 这里, 增加一个新的文件系统类型的网元时, FS— Manager将该新增的 网元挂载到分布式管理监控系统中, 即在 VFS中二叉树一个索引节点 ( iNODE ) , iNODE即对应挂载到所述 VFS目录树上的网元, 在 iNODE中 有一个基于 FS— Manager的 FS— Client来管理所述网元。
步骤 108, 网元挂载后, FS— Client创建并初始化设备描述符表, 并对应 更新所述文件描述符表。
所述设备描述符表为一种网元内部所有单板的信息映射表, 所以将一 个网元 mount到 VFS目录树上时, 由 FS— Manager通知 FS— Client创建并初始化 该网元的设备描述符表, 即将该网元映射到设备描述符表上。 其中, 通过 调用设备 4 述符表初始 4匕函数, 口 dev—ds—init ( unsigned int Ip— Address ) 函 数来初始化设备描述符表, 主要是进行设备描述符表到具体网元的映射, 即网元内部所有单板的信息会同步到 FS— Client的设备描述符表中, 并初始 化所有网元到 FS— Manager的映射等。
需要说明的是, 所述设备描述符表结构包括: 设备的基本信息、 如设 备标识 (ID ) 、 设备厂商 ID等, 管理设备 IP地址链, 对应设备名称, 数据 域指针, 设备支持的通信协议、 数据块读写等部分。 其中, 管理设备 IP地址 链为该网元内部单板的 IP地址, 通过所述设备描述符表来查找指定的文件 时,便是对应设备文件描述符表记录的内部单板的 IP地址,通过数据域指针 来找到与该单板对应的文件位置; 并且, 当设备描述符表中的信息进行更 新后的会同步更新文件描述符表中的数据域指针。 具体的设备描述符表结 构可参考下例所示:
struct— DEVICE— DCESCRIPTOR— STRUCT {
BYTE bDevID; //设备 ID striici DevIpTable *dlDevIp; ZZ管理设备 IP地址链
BYTE * Naine; //对应设备.名称 void *bDeviceDataArea;
WORD wDevkeComm— Protocol; //设备支持通信协议
struct super— block *(*rw— super) (struct super— block *, void *, int);
Figure imgf000015_0001
读写
另夕卜,由于需要通过遍历所述文件描述符表来查询与指定网元的 IP地址 对应的设备描述符表, 以读取指定位置的文件内容。 于是, 在所述设备描 述符表完成更新后, FS— Client会通知 FS— Manager更新文件描述符表, 即: FS— Manager通过调用 update— fd函数, 来在文件描述符表中添加新增网元的 信息并增加该新增网元的设备描述符表的索引链接, 以建立所挂载的网元 与 FS— Manager的映射, 也就是设备描述符表与文件描述符表的联系。 例如: 某单板若要上报性能信息, 则该单板先将性能信息上报到网元, 该网元将 上报的性能信息写入到 FS— Client中对应文件中, 并同步更新到所述设备描 述符表。 而且, 当有文件写入或更新时, FS— Client会通知 FS— Manager更新 文件描述符表中的数据域指针。 这样, FS— Manager在查询一个记录指定单 板的信息的文件时, 能够找到对应的文件。 例如: 当通过设备描述符表找 到某个指定单板的性能文件的存储位置时, 将单板上报的性能内容通过本 分布式管理监控系统的写函数, 如 d— write函数来写入。 需要指出的是, 该 设备描述符表涵盖了所述网元内部所有单板的信息, 如结构、 性能、 告警、 固有信息等。
至此, 上述实施例描述了本发明分布式管理监控系统的创建及加载网 元的过程, 下面结合图 2 , 说明本发明分布式管理监控系统的监控方法的实 现流程, 如图 2所示, 主要步骤如下:
步骤 201 , 分布式管理监控系统定时更新记录监控信息的文件, 并对应 更新设备描述符表;
其中, 所述记录监控信息的文件为 FS— Client记录被监控网元的各种信 息的文件, 各网元负责釆集各自内部的各种信息, 如单板的告警信息、 性 能信息等, 并通过 FS— Client将釆集到的各种信息对应地写入供 FS— Manager 遍历的文件如文件描述符表中, 并同步更新到所述设备描述符表中。 例如: 某单板要上报 15分钟性能信息, 则该单板将性能信息上报到网元, 网元通 过 FS— Client将上报的 15分钟性能信息写入存储在本地的 15分钟性能文件。
步骤 202 , FS— Client更新设备描述符表后, 通知 FS— Manager更新文件描 述符表;
本步骤中, 所述 FS— Client中有文件更新, 便会上报 FS— Manager, 通知 FS— Manager同步更新文件描述符表。 这里, FS— Client设有动态连接文件 ( DLF, Dynamic Link File ) ,用于指示出当前 FS— Client中的文件变化情况, 如文件的增加或删除等信息。 DLF检测到文件变化, 便会通知 FS— Manager 更新文件描述符表中的相关信息,如:更新新增文件的位置、所属网元的 IP、 文件的大小等, 更新文件描述符表后, 进一步判断是否需要将用于更新的 性能信息或告警信息等上报给主控网管。 其中, 对所述文件进行更新后, 主要通过下面这两种方式来使得 FS— Manager得知文件的更新, 即: FS— Manager定时查询和 FS— Client主动上报两种方式。 FS— Manager只需通过 轮询的方式来检查文件的实时变化情况, 例如: FS— Manager的应用层会定 时即 15分钟, 读取一次 15分钟性能文件。 如此, FS— Client屏蔽掉了网元间 原本需要进行上报的大量监控信息, 并能够实时监控。
另外, FS— Manager会根据 FS— Client上报的信息内容确定是否需要上报 到主控网管, 而判断是否上报给主控网管的依据也因上报信息的不同而不 同。 对于比较重要的信息, 如某个单板发生故障而停止工作的告警信息等, FS— Manager就会上报给主控网管, 以便主控网管及时显示给用户。 而对于 上报的较为普通的性能信息则不会上报给主控网管。
步骤 203 , 主控网管向 FS— Manager发出监控指令;
这里, 主控网管除了通过 FS— Manager上报获取各网元的信息之外, 还 会通过向 FS— Manager发出监控指令, 来获取指定网元的信息。 其中, 所述 监控指令为主控网管针对具体单板设置的监控命令, 如: 读取指定单板的 告警查询、 性能查询等操作。
步骤 204, FS— Manager收到请求后, 判断所述监控指令是否合法, 如果 不合法, 则执行步骤 205; 如果合法, 则执行步骤 206;
其中, 所述监控指令是否合法通常是判断监控指令的消息格式是否正 确, 或 FS— Manager是否支持所述监控指令。
步骤 205 , FS— Manager向主控网管返回响应消息, 通知主控网管其监控 指令不合法, 并停止本次的监控操作。
步骤 206, FS— Manager允许主控网管的监控请求, 并通过遍历文件描述 符表, 找到主控网管指定的具体网元的设备描述符表, 进而找到并读取所 指定的文件;
主控网管的监控指令合法时, FS— Manager允许主控网管的监控请求, 并通过对文件描述符表的遍历,根据主控网管所指定网元的 IP地址找到对应 的设备文件描述符表, FS— Client通过设备描述符表找到指定文件的位置, 并读取到指定的文件内容。 具体地, 当主控网管 GU要通过 FS— Manager要读 一个文件, 如查询某类单板的性能时, 所述 FS— Manager通过调用分布式管 理监控系统的读函数, 如 d— read函数, 根据指定文件的 IP地址在文件描述符 表中查找对应的文件内容。 例如: 主控网管针对具体单板发出告警查询的 监控指令, FS— Manager收到查询请求消息后, 通过遍历文件描述符表, 找 到对应的设备描述符表, FS— Client通过设备描述符表找到指定文件的位置, FS Client通过调用其自身的读函数根据设备描述符表, 读取指定的文件中 对应的信息项, 如: 查询某单板的 15分钟性能, 则找到并读取对应的 15分 钟性能文件。
步骤 207 , FS— Manager将读取到的文件内容反馈给主控网管。
这样,主控网管只需访问 FS— Manager,就能够访问挂载在该 FS— Manager 下的 FS— Client的文件或文件夹, 而且, 在访问过程中, 主控网管并不需要 知道所访问的 FS— Client设备描述符表的实际物理位置。 可见, 将分布式管 理引入分布式管理监控系统后, 网元中的单板不在和 FS— Manager有直接的 联系, 因为每个网元相当于管理员。 因此, 以前的很多常规上报的信息, 现在直接将以前上报的信息写在本网元自身的设备描述符表中, 当主控网 管查询指定网元的信息时, 主控网管通过读取 FS— Manager的文件描述符表 就能够实现, 减少了大量的不必要的网元间通信。
另外, 网元间的信息交互釆用 TCP/IP或 UDP均可, 但是, 为了保证信 息传输及通信的可靠性, 本实施例中 FS— Manager到 FS— Client之间的通信类 型釆用的是 TCP/IP。
需要说明的是, 本实施例通过建立一种与设备无关的分布式管理监控 系统的机制, 即建立一种不需区分 WDM系统的类型、 机架类型, 甚至是跨 公司的监控连接, 所以分布式管理监控系统中的各网元内的子架是允许混 用的, 当然如果子架具有统一的背板设计走线标准是最好的。 其中, 所述 子架可以理解为单板的集合。 因此, 本实施例实现了跨平台监控, 使得不 同厂商制造的设备能够互连方法, 降低了监控成本。
对于上述的各实施例, 为了简单描述, 故将其都表述为一系列的动作 组合, 但是本领域技术人员应该知悉, 本发明并不受所描述的动作顺序的 限制, 因为依据本发明, 某些步骤可以釆用其他顺序或者同时进行。
为实现上述方法,本发明还提供一种分布式管理监控系统,如图 3所示, 包括:服务端 FS— Manager 301、文件描述符表 302、子文件系统 FS— Client 303、 设备描述符表 3031 ; 其中:
服务端 301 , 用于更新文件描述符表 302并通过遍历所述文件描述符表 302, 找到监控指令所指定的网元对应的设备描述符表 3031;
文件描述符表 302 , 用于根据服务端 301所接收的监控指令寻找指定的 网元所对应的设备描述符表 3031;
子文件系统 303 , 用于定时更新记录监控信息的文件, 并对应更新设备 描述符表;
所述子文件系统 303还包括: 设备描述符表 3031 , 用于映射记录各网元 监控信息的文件, 并根据所述监控指令读取指定的文件。
该装置还包括: 主控网管 304, 用于向所述服务端 301发送监控指令; 所述服务端 301具体用于: 在收到所述主控网管 304的监控指令后, 判 断所述监控指令是否合法, 如果不合法, 则服务端 301向主控网管 304返回 响应消息, 通知主控网管 304其监控指令不合法, 并停止本次的监控操作; 如果合法, 则服务端 301允许主控网管 304的监控请求, 并通过遍历文 件描述符表 302, 找到主控网管 304指定的具体网元的设备描述符表 3031, 进而找到并读取所指定的文件。
所述子文件系统 303具体用于: 各网元通过子文件系统 303将釆集到的 各种信息对应地写入供服务端 301遍历的文件, 并同步修改所述设备描述符 表 3031中的数据域指针。
在上述实施例中, 对各个实施例的描述都各有侧重, 某个实施例中没 有详述的部分, 可以参见其他实施例的相关描述即可。 以上所述, 仅为本 发明的较佳实施例而已, 只是用来说明和解释本发明, 并非用于限定本发 明的保护范围。 在本发明的精神和权利要求保护范围之内, 对本发明所作 的任何修改、 等同替换, 都落入本发明的保护范围。

Claims

权利要求书
1、 一种分布式管理监控系统的创建方法, 其特征在于, 该方法包括: 创建并初始化基于分布式文件系统的分布式管理监控系统的监控平台 及文件描述符表;
建立并初始化虚拟文件系统 VFS及分布式管理监控系统的根文件系统, 并将根文件系统挂载到所述 VFS上;
根据各个网元的文件系统类型, 将各个网元对应挂载到所述 VFS上; 创建并初始化设备描述符表, 对应更新所述文件描述符表。
2、 根据权利要求 1所述的分布式管理监控系统的创建方法, 其特征在 于, 所述创建并初始化基于分布式文件系统的分布式管理监控系统的监控 平台包括:
初始化分布式管理监控系统的服务端;
将子文件系统嵌入至待挂载到所述分布式管理监控系统中的网元, 使 所述网元与服务端进行交互;
所述网元通过加载客户端—服务端系统, 创建本地子文件系统到服务端 的映射管理链接, 并提供对子文件系统的文件的读写接口。
3、 根据权利要求 1所述的分布式管理监控系统的创建方法, 其特征在 于, 所述根据各个网元的文件系统类型, 将各个网元对应挂载到所述虚拟 文件系统上包括:
判断待挂载的网元的文件系统类型是否在当前的 VFS目录树上存在对 应的挂载点, 如果存在, 将所述待挂载的网元挂载到分布式管理监控系统; 如果不存在, 则对应所述待挂载的网元的文件系统类型,在 VFS添加所 述网元的挂载点, 并将所述网元挂载到分布式管理监控系统中。
4、 根据权利要求 1、 2或 3所述的分布式管理监控系统的创建方法, 其 特征在于, 所述创建并初始化设备描述符表, 对应更新所述文件描述符表 包括:
网元内单板的信息会同步更新到对应的设备描述符表, 分布式管理监 控系统的服务端在获知设备描述符表更新后, 会在文件描述符表中添加新 增网元的信息, 并增加所述新增网元的设备描述符表的索引链接;
其中, 文件描述符表为服务端到子文件系统的索引。
5、 一种分布式管理监控系统的监控方法, 其特征在于, 该方法包括: 分布式管理监控系统的子文件系统定时更新记录监控信息的文件, 并 对应更新设备描述符表;
子文件系统更新设备描述符表, 并通知服务端更新文件描述符表; 所述服务端遍历文件描述符表, 找到指定的网元所对应的设备描述符 表, 并根据该设备描述符表读取指定的文件。
6、 根据权利要求 5所述的分布式管理监控系统的监控方法, 其特征在 于, 所述分布式管理监控系统定时更新记录监控信息的文件, 并对应更新 设备描述符表包括:
各网元通过所述子文件系统将釆集到的各种信息对应地写入供所述服 务端遍历的文件中, 并同步修改所述设备描述符表中的数据域指针。
7、 根据权利要求 5或 6所述的分布式管理监控系统的监控方法, 其特征 在于, 所述主控网管通过遍历服务端的文件描述符表, 找到指定的网元所 对应的设备描述符表, 并根据所述设备描述符表读取指定的文件包括: 服务端收到监控指令后, 判断所述监控指令是否合法, 如果不合法, 则服务端向主控网管返回响应消息, 通知主控网管其监控指令不合法, 并 停止本次的监控操作;
如果合法, 则服务端允许主控网管的监控请求, 并通过遍历文件描述 符表, 找到主控网管指定的具体网元的设备描述符表, 进一步找到并读取 所指定的文件。
8、 一种分布式管理监控系统, 其特征在于, 该系统包括: 服务端、 文 件描述符表、 子文件系统; 其中:
服务端, 用于更新文件描述符表并通过遍历所述文件描述符表, 找到 监控指令所指定的网元对应的设备描述符表;
文件描述符表, 用于根据服务端所接收的监控指令寻找指定的网元所 对应的设备描述符表;
子文件系统, 用于定时更新记录监控信息的文件, 并对应更新设备描 述符表;
所述子文件系统还包括: 设备描述符表, 用于映射记录各网元监控信 息的文件, 并根据所述监控指令读取指定的文件。
9、 根据权利要求 8所述的分布式管理监控系统, 其特征在于, 该系统 还包括:
主控网管, 用于向所述服务端监控指令;
所述服务端具体用于: 在收到所述监控指令后, 判断所述监控指令是 否合法, 在所述监控指令不合法时向主控网管返回响应消息, 通知主控网 管其监控指令不合法, 并停止本次的监控操作; 并在所述监控指令合法时 允许主控网管的监控请求, 并通过遍历文件描述符表, 找到主控网管指定 的具体网元的设备描述符表, 进一步找到并读取所指定的文件。
10、 根据权利要求 8所述的分布式管理监控系统, 其特征在于, 所述子 文件系统具体用于:
各网元通过子文件系统将釆集到的各种信息对应地写入供服务端遍历 的文件, 并同步修改所述设备描述符表中的数据域指针。
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