CN105511805A - Data processing method and device for cluster file system - Google Patents
Data processing method and device for cluster file system Download PDFInfo
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- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
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- G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
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- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
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Abstract
The invention discloses a data processing device for a cluster file system. The data processing device for the cluster file system comprises a data processing module, a storage module and a synchronization module. When a storage node receives a file reading or writing request, the data processing module is used for reading data in a storage area in dependence on the reading request and request information in a buffer cache, or writing data in the storage area in dependence on the writing request and request information in the buffer cache. The storage module is used for storing request information in the reading or writing request in the buffer cache. The synchronization module is used for synchronizing the request information to a slave storage node in the cluster file system. The invention also provides a data processing method for a cluster file system. According to the invention, when the main storage node breaks down, the slave storage node can continuously take over the reading or writing process of the client in dependence on service request information in the buffer cache, and the stability of the cluster file system service is guaranteed.
Description
Technical field
The present invention relates to technical field of data processing, particularly relate to a kind of data processing method and device of cluster file system.
Background technology
In recent years, cluster file system has become the new trend of technical development of computer.Cluster file system is connected into a systematic entirety by organically being combined by multiple single independently main frame, and relies on storage area network, externally provides the shared storage application of a Large Copacity file system, as CIFS.Achieve the many concurrent user's operations in storage area network and the transmission of large data.
Even so, the increase of clustered node too increases node simultaneously and to delay the possibility of machine or service fault.Such as, when client computer in cluster read and write one comparatively large files time, if accept the service node fault of this read-write requests, even if service can be switched to other nodes in time, owing to not having data buffer storage in the internal memory of other nodes, so the read-write operation of client computer still can interrupt.
Summary of the invention
Fundamental purpose of the present invention is the data processing method and the device that provide a kind of cluster file system, is intended to solve due to cluster service node failure, makes the technical matters of read-write on client side operation disruption.
For achieving the above object, the data processing equipment of a kind of cluster file system provided by the invention, the data processing equipment of described cluster file system comprises:
Memory module, for receiving file read or write request at memory node, and when the memory node at described memory module place is primary storage node, by the solicited message in described read or write request stored in its buffer area;
Synchronization module, for by described request synchronizing information in cluster file system from memory node;
Data processing module, for reading the data in its memory block according to the solicited message in described read requests and described buffer area, or writes data according to the solicited message in said write request and described buffer area in its memory block.
Alternatively, the data processing equipment of described cluster file system comprises:
Detection module, during for receiving services request, detects the type of described services request;
Judge module, for judging whether described services request is read or write request;
Respond module, if be not read or write request for described services request, then responds described services request.
Alternatively, the data processing equipment of described cluster file system also comprises:
Determination module, for when receiving file read or write request, determines that data corresponding to described read or write request are the need of checking;
Acquisition module, when needing to verify for the data corresponding in described read or write request, obtains the authorization information of user's input;
Described data processing module, also for when described authorization information is mated with the authorization information prestored, read the data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write data according to the solicited message in said write request and described buffer area.
Alternatively, the data processing equipment of described cluster file system also comprises:
Described detection module, also for detecting link connection state and running status;
Handover module, for when detecting that link connects fault or operation troubles, chooses primary storage node what be in normal operating conditions from memory node, by described in choosing from the address mark of memory node be primary storage node address;
Update module, for the described primary storage node address of mark is sent to Controlling vertex and described in choosing from memory node, wherein, described Controlling vertex adopts the described primary storage node address received to upgrade the described primary storage node address preserved, and the described memory node chosen is when receiving described primary storage node address, duty is switched to primary storage node state.
Alternatively, described detection module comprises:
Link detecting unit, sends first for timing to described Controlling vertex and detects packet and receive the second response data packet that described Controlling vertex feeds back based on described detection packet;
Whether read-write detecting unit, during for receiving described response data packet within a preset time interval, judge to read and write normal;
Identifying unit, in reading and when writing normal, judges normal operation, when reading and write is abnormal, judges operation troubles, and when not receiving described response data packet within a preset time interval, judges that described link connects fault.
The present invention further provides a kind of data processing method of cluster file system, the data processing method of described cluster file system comprises:
File read or write request is received at memory node, and described memory node is when being primary storage node, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, writes data according to the solicited message in said write request and described buffer area;
Described memory node by the solicited message in described read or write request stored in its buffer area;
Described memory node by described request synchronizing information in cluster file system from memory node.
Alternatively, described memory node also comprises before the step of the solicited message in described read or write request stored in its buffer area:
When described memory node receives services request, detect the type of described services request;
Judge whether described services request is read or write request;
If described services request is read or write request, then perform described by the step of the solicited message in described reading or write services request stored in its buffer area;
Described judge whether described services request is the step of read or write request after, the data processing method of described cluster file system also comprises:
If described services request is not read or write request, then respond described services request.
Alternatively, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or before writing the step of data according to the solicited message in said write request and described buffer area in its memory block, the data processing method of described cluster file system also comprises step:
Described memory node determines that data corresponding to described read or write request are the need of checking;
When the data that described read or write request is corresponding need checking, described memory node obtains the authorization information of user's input;
When described authorization information is mated with the authorization information prestored, perform described memory node and read data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write the step of data according to the solicited message in said write request and described buffer area.
Alternatively, the data processing method of described cluster file system also comprises:
When described memory node is primary storage node, described memory node detects the running status of its link connection state and described memory node;
When described acquisition memory node detects that its link connects fault or described memory node operation troubles in real time, described memory node chooses primary storage node what be in normal operating conditions from memory node, by described in choosing from the address mark of memory node be primary storage node address;
The described host node address of mark is sent to Controlling vertex and described in choosing from memory node, wherein, described Controlling vertex adopts the described host node address received to upgrade the described host node address of preserving, and the described memory node chosen is when receiving described host node address, duty is switched to primary storage node state.
Alternatively, the step that described memory node detects the running status of its link connection state and described memory node comprises:
Described memory node timing sends first to described Controlling vertex and detects packet;
Receive the second response data packet that described Controlling vertex feeds back based on described detection packet:
When receiving described response data packet within a preset time interval, judge the reading of described memory node and whether normally write;
In the reading of described memory node and when writing normal, judge described memory node normal operation, when reading and the write exception of described memory node, judge described memory node operation troubles;
When not receiving described response data packet within a preset time interval, judge that the link of described memory node connects fault.
The data processing method of the cluster file system that the present invention proposes and device, file read or write request is received at memory node, and described memory node is when being primary storage node, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write data according to the solicited message in said write request and described buffer area, described memory node by the solicited message in described read or write request stored in its buffer area, described memory node by described request synchronizing information in cluster file system from memory node, after primary storage node failure, from memory node can according to the service request information in its buffer area unremitting adapter client reading or write process, ensure the stability of cluster file system service.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of data processing equipment first embodiment of cluster file system of the present invention;
High-level schematic functional block diagram when Fig. 2 is other services outside the data processing equipment process of cluster file system of the present invention is read and write;
Fig. 3 is the high-level schematic functional block diagram of data processing equipment second embodiment of cluster file system of the present invention;
Fig. 4 is the refinement high-level schematic functional block diagram of detection module in Fig. 3;
Fig. 5 is the high-level schematic functional block diagram of data processing equipment the 3rd embodiment of cluster file system of the present invention;
Fig. 6 is the schematic flow sheet of data processing method first embodiment of cluster file system of the present invention;
Schematic flow sheet when Fig. 7 is data processing method process reading and writing data other services outward of cluster file system of the present invention;
Fig. 8 is the schematic flow sheet of data processing method second embodiment of cluster file system of the present invention;
Fig. 9 is the refinement schematic flow sheet of primary storage nodal test link connection state and running status in Fig. 8;
Figure 10 is the schematic flow sheet of data processing method the 3rd embodiment of cluster file system of the present invention.
The object of the invention realization, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of data processing equipment of cluster file system.
With reference to the high-level schematic functional block diagram that Fig. 1, Fig. 1 are data processing equipment first embodiment of cluster file system of the present invention.
It is emphasized that, to one skilled in the art, functional block diagram shown in Fig. 1 is only the exemplary plot of a preferred embodiment, and those skilled in the art, around the functional module of the data processing equipment of the cluster file system shown in Fig. 1, can carry out supplementing of new functional module easily; The title of each functional module is self-defined title, only for auxiliary each program function block understanding environment monitoring device, be not used in and limit technical scheme of the present invention, the core of technical solution of the present invention is, the function that the functional module of respective define name will be reached.
In the present embodiment, the data processing equipment of described cluster file system comprises:
Data processing module 10, during for receiving file read or write request at memory node, read the data in memory block according to the solicited message in described read requests and described buffer area, or in memory block, write data according to the solicited message in said write request and described buffer area;
Memory module 20, for by the solicited message in described read or write request stored in its buffer area;
Memory module 20 can obtain the configuration parameter on Controlling vertex when initial start-up, carry out initialization operation, described buffer area is created at each memory node, be understandable that, described configuration parameter can be arranged voluntarily by user, also can when server manufactures by producer's typing, and described configuration parameter can be modified at any time, and be forwarded to all memory nodes by Controlling vertex.
In the present embodiment, described configuration parameter comprises:
Workgroup name, for defining the workgroup name of cluster file system;
Server name, for defining the title of each memory node of cluster file system;
Maximum number of connections, for defining the number of clients allowing at most to access cluster file system simultaneously;
Unified store path, for defining the root directory of cluster file system, namely can have access to same directory address or file by any node address;
Redundant network interfaces, each memory node for defining cluster file system is used as the network interface of redundancy, i.e. network interface card;
Redundant network address, each memory node for defining cluster file system is used as the network address (IP that namely this network interface card is corresponding) of redundant network interfaces, can arrange multiple;
Redundant host address, providing the public network address of access, only can arrange one for defining cluster file system curstomer-oriented end;
Data buffer area size, for defining on each memory node of cluster file system for depositing data cached memory size.
The buffer area that such as user can arrange memory node takies the storage space of 20GB, and the storage space that described buffer area takies must not exceed the internal memory maximum memory space of memory node server.
Synchronization module 30, for by described request synchronizing information in cluster file system from memory node.
In the present embodiment, Controlling vertex is when system start-up initialisation, message can be sent to the server being set to primary storage node, control described primary storage node start-up routine, and other memory nodes can not start service routine, can only receive and store the solicited message of the read or write request of primary storage synchronisation of nodes, only has primary storage node when receiving digital independent or write request, what described read or write request be synchronized in cluster file system is all from memory node, from memory node only by the solicited message of described read or write request that receives stored in its buffer area, and do not carry out other any operations.
After the digital independent receiving client at primary storage node or write request, can by the solicited message of described request: as client data read or write process number, as described in the I/O side-play amount of process, be synchronized to all from memory node.
With reference to Fig. 2, memory node when receiving services request, can determine the type of services request, and the type according to server request processes accordingly, and namely the data processing equipment of described cluster file system also comprises:
Detection module 40, during for receiving services request, detects the type of described services request, judges whether described services request is read or write request;
Respond module 50, if be not read or write request for described services request, then responds described services request;
Described data processing module 10, if be also read or write request for described services request, then read the data in memory block according to the solicited message in described read requests and described buffer area, or in memory block, write data according to the solicited message in said write request and described buffer area.
After primary storage node receives services request, detection module 40 can detect the COS that described request is called, when described request calling data reads or write is served, the solicited message of described request is just sent to primary storage node network interfaces by synchronization module 30, again by the network interface of primary storage node be sent to the node address that gets from Controlling vertex corresponding from memory node, and synchronization request will be received stored in its buffer area by the memory module 10 from memory node.
Be understandable that, primary storage node not only can receive digital independent or write request, also the services request of other types can likely be received, as configuration parameter amendment request, now respond module 50 can respond described services request and directly respond described request, parameter as corresponding to described request is revised accordingly, but services request can not be stored in its buffer area by this memory module 20, and services request can not be synchronized to all from memory node by synchronization module 20.
Be understandable that, in the present embodiment, due to the reason such as system upgrade or maintenance, when described primary storage node possibly cannot continue as clients providing data reading or write service, primary storage node can select one be in normal operating conditions from memory node, primary storage node is switched to from memory node, the digital independent of adapter client or write process by what be selected.
The data processing equipment of the cluster file system that the present embodiment proposes, primary storage node is after receiving data operation request, by the synchronizing information of described request to all from memory node, when needs switch memory node, arbitrary be in normal operating conditions all can the data manipulation process of adapter client from memory node, for client provides unremitting data manipulation service, improve the availability of cluster file system.
Further, when primary storage node provides service for client, likely break down, then primary storage node regularly need detect its link connection state and service running state of programs, so that Timeliness coverage fault, and make respective handling, then propose data processing equipment second embodiment of cluster file system of the present invention based on the first embodiment, with reference to Fig. 3, the data processing equipment of described cluster file system also comprises:
Described detection module 40, also for detecting its link connection state and running status;
With reference to Fig. 4, described detection module 40 comprises:
Link detecting unit 41, sends first for timing to described Controlling vertex and detects packet;
Receive the second response data packet that described Controlling vertex feeds back based on described detection packet:
Whether read-write detecting unit 42, during for receiving described response data packet within a preset time interval, judge to read and write normal;
Identifying unit 43, in reading and when writing normal, judges normal operation, when reading and write is abnormal, judges operation troubles, and when not receiving described response data packet within a preset time interval, judges that link connects fault.
In the present embodiment, described primary storage one malfunctions is detected at detection module 40, when cannot continue as clients providing data reading or write service, primary storage node can select one be in normal operating conditions from memory node, primary storage node is switched to from memory node, the digital independent of adapter client or write process by what be selected.
Handover module 60, during for detecting that link connects fault or operation troubles, chooses primary storage node what be in normal operating conditions from memory node, by described in choosing from the address mark of memory node be primary storage node address;
Update module 70, for the described host node address of mark is sent to Controlling vertex and described in choosing from memory node, wherein, described Controlling vertex adopts the described host node address received to upgrade the described host node address of preserving, and the described memory node chosen is when receiving described host node address, duty is switched to primary storage node state.
When needs switch memory node, handover module 60 can choose one be in normal operating conditions from memory node, be new primary storage address of node by the described address mark from service node be selected, its address is sent to Controlling vertex by update module 70, Controlling vertex will be forwarded to client-requested afterwards new primary storage node, described be selected can switch to primary storage node duty from memory node, new primary storage node can read the digital independent in its buffer area or write progress information, the corresponding process of direct adapter, the data manipulation process interrupt of client can not be made.
Be understandable that, may be roughly the same from the performance of memory node, also may performance differ greatly, so when primary storage node switches, if all very nearly the same from memory node performance, then handover module 60 can random selecting one be in normal operating conditions from memory node as primary storage node, if all performance differences from memory node are comparatively large, then one can be selected to be in the higher node of the performance of normal operating conditions as new primary storage node according to the performance sequence from memory node.
The data processing equipment of the cluster file system that the present embodiment proposes, timing detects link connection state and the service running state of programs of primary storage node, the fault of Timeliness coverage primary storage node, and then switch primary storage node, for client provides unremitting reading and writing data service, guarantee the stability of cluster file system data processing service.
Further, for improving the security of cluster file system, also propose the 3rd embodiment of the data processing equipment of cluster file system based on first or second embodiment the present invention, with reference to Fig. 5, the data processing equipment of described cluster file system also comprises:
Determination module 80, for when receiving file read or write request, determines that data corresponding to described read or write request are the need of checking;
In the present embodiment, when primary storage node receives file read or write request, the access level of the file of described requested access can be detected, if described file is shared file, when namely can be accessed by all users, then do not need to verify the identity authority of user, if described file is privately owned file, namely described file only can be had the user of permissions to access, then need to verify the identity authority of user, determine whether described file can be issued the client-access of request of access.
Acquisition module 90, when needing to verify for the data corresponding in described read or write request, obtains the authorization information of user's input;
The file of accessing in client-requested is privately owned file, and when namely needing checking, primary storage node needs the information obtaining user's input, verifies the authority of user.Now, user may carry out register, and primary storage node only needs the information to Controlling vertex forwards to travel through, and captures the data with username and password key word or handle, and then obtains the information of user's input, verifies the authority of user; If now user not yet logs in, primary storage node can send message to Controlling vertex, notice Controlling vertex sends to client and reminds or control client ejection login interface, after user's input validation information, by Controlling vertex, the authorization information that described user inputs is forwarded to primary storage node and verifies.
Described data processing module 10, also for when described authorization information is mated with the authorization information prestored, read the data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write data according to the solicited message in said write request and described buffer area.
The data processing equipment of the described cluster file system that the present embodiment proposes, after receiving data operation request, the operating right of described data can be obtained, if described data need Authority Verification, then obtain the authorization information of user's input, when the authorization information of user's input is mated with the authorization information prestored, just perform corresponding data manipulation, improve the security of cluster file system data.
The present invention further provides a kind of data processing method of cluster file system.
With reference to Fig. 6, the data processing method of described cluster file system comprises:
Step S10, when memory node receives file read or write request, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, writes data according to the solicited message in said write request and described buffer area;
Step S20, described memory node by the solicited message in described read or write request stored in its buffer area;
Memory node can obtain the configuration parameter on Controlling vertex when initial start-up, carry out initialization operation, create described buffer area, be understandable that at memory node, described configuration parameter can be arranged voluntarily by user, also can when server manufactures by producer's typing.
In the present embodiment, described configuration parameter comprises:
Workgroup name, for defining the workgroup name of cluster file system;
Server name, for defining the title of each memory node of cluster file system;
Maximum number of connections, for defining the number of clients allowing at most to access cluster file system simultaneously;
Unified store path, for defining the root directory of cluster file system, namely can have access to same directory address or file by any node address;
Redundant network interfaces, each memory node for defining cluster file system is used as the network interface of redundancy, i.e. network interface card;
Redundant network address, each memory node for defining cluster file system is used as the network address (IP that namely this network interface card is corresponding) of redundant network interfaces, can arrange multiple;
Redundant host address, providing the public network address of access, only can arrange one for defining cluster file system curstomer-oriented end;
Data buffer area size, for defining on each memory node of cluster file system for depositing data cached memory size.
The buffer area that such as user can arrange memory node takies the storage space of 20GB, and the storage space that described buffer area takies must not exceed the internal memory maximum memory space of memory node server.
In the present embodiment, Controlling vertex is when system start-up initialisation, message can be sent to the server being set to primary storage node, control described primary storage node start-up routine, and other memory nodes can not start service routine, can only receive and store the solicited message of the read or write request of primary storage synchronisation of nodes, only has primary storage node when receiving digital independent or write request, what described read or write request be synchronized in cluster file system is all from memory node, from memory node only by the solicited message of described read or write request that receives stored in its buffer area, and do not carry out other any operations.
After the digital independent receiving client at primary storage node or write request, can by the solicited message of described request: as client data read or write process number, as described in the I/O side-play amount of process, be synchronized to all from memory node.
Step S30, described memory node by described request synchronizing information in cluster file system from memory node.
Primary storage node, after receiving digital independent or write request, can respond described request, according to described request information, for clients providing data reads or write service.
Be understandable that, primary storage node not only can receive digital independent or write request, also the services request of other types can likely be received, as configuration parameter amendment request, now directly respond described request, parameter as corresponding to described request is revised accordingly, but services request can not be stored in its buffer area, and services request can not be synchronized to all from memory node.
With reference to Fig. 7, memory node when receiving services request, can determine the type of services request, and the type according to server request processes accordingly, and namely the data processing method of described cluster file system also comprises:
Step S40, when described memory node receives services request, detects the type of described services request;
Step S50, judges whether described services request is read or write request;
If described services request is read or write request, then perform described memory node and read data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write the step of data according to the solicited message in said write request and described buffer area;
After described step S50, the data processing method of described cluster file system also comprises:
Step S60, if described services request is not read or write request, then responds described services request.
After primary storage node receives services request, the COS that described request is called can be detected, when described request calling data reads or write is served, just the solicited message of described request is sent to primary storage node network interfaces, again by the network interface of primary storage node be sent to the node address that gets from Controlling vertex corresponding from memory node, and by receiving synchronization request from memory node stored in its buffer area.
Be understandable that, in the present embodiment, due to the reason such as system upgrade or maintenance, when described primary storage node possibly cannot continue as clients providing data reading or write service, primary storage node can select one be in normal operating conditions from memory node, primary storage node is switched to from memory node, the digital independent of adapter client or write process by what be selected.
The data processing method of the cluster file system that the present embodiment proposes, primary storage node is after receiving data operation request, by the synchronizing information of described request to all from memory node, when needs switch memory node, arbitrary be in normal operating conditions all can the data manipulation process of adapter client from memory node, for client provides unremitting data manipulation service, improve the availability of cluster file system.
Further, when primary storage node provides service for client, likely break down, then primary storage node regularly need detect its link connection state and service running state of programs, so that Timeliness coverage fault, and makes respective handling, data processing method second embodiment of cluster file system of the present invention is then proposed based on the first embodiment, in the present embodiment, with reference to Fig. 8, the data processing method of described cluster file system also comprises:
Step S70, when described memory node is primary storage node, described memory node detects the running status of its link connection state and described memory node;
With reference to Fig. 9, the step that described memory node detects the running status of its link connection state and described memory node comprises:
Step S71, described memory node timing sends first to described Controlling vertex and detects packet;
Step S72, receives the second response data packet that described Controlling vertex feeds back based on described detection packet:
Whether step S73, when receiving described response data packet within a preset time interval, judge the reading of described memory node and write normal;
Step S74, in the reading of described memory node and when writing normal, judges described memory node normal operation;
Step S75, when reading and the write exception of described memory node, judges described memory node operation troubles;
Step S76, when not receiving described response data packet within a preset time interval, judges that the link of described memory node connects fault.
In the present embodiment, primary storage nodal test breaks down to it, when cannot continue as clients providing data reading or write service, primary storage node can select one be in normal operating conditions from memory node, primary storage node is switched to from memory node, the digital independent of adapter client or write process by what be selected.
Step S80, when described acquisition memory node detects that its link connects fault or described memory node operation troubles in real time, described memory node chooses primary storage node what be in normal operating conditions from memory node, by described in choosing from the address mark of memory node be primary storage node address;
Step S90, the described host node address of mark is sent to Controlling vertex and described in choosing from memory node, wherein, described Controlling vertex adopts the described host node address received to upgrade the described host node address of preserving, and the described memory node chosen is when receiving described host node address, duty is switched to primary storage node state.
When needs switch memory node, choose one be in normal operating conditions from memory node, be new primary storage address of node by the described address mark from service node be selected, its address is sent to Controlling vertex, Controlling vertex will be forwarded to client-requested afterwards new primary storage node, described be selected can switch to primary storage node duty from memory node, new primary storage node can read the digital independent in its buffer area or write progress information, the corresponding process of direct adapter, the data manipulation process interrupt of client can not be made.
Be understandable that, may be roughly the same from the performance of memory node, also may performance differ greatly, so when primary storage node switches, if all very nearly the same from memory node performance, then can random selecting one be in normal operating conditions from memory node as primary storage node, if all performance differences from memory node are comparatively large, then one can be selected to be in the higher node of the performance of normal operating conditions as new primary storage node according to the performance sequence from memory node.
The data processing method of the cluster file system that the present embodiment proposes, timing detects link connection state and the service running state of programs of primary storage node, the fault of Timeliness coverage primary storage node, and then switch primary storage node, for client provides unremitting reading and writing data service, guarantee the stability of cluster file system data processing service.
Further, for improving the security of cluster file system, the 3rd embodiment of the data processing method of cluster file system is also proposed based on first or second embodiment the present invention, with reference to Figure 10, before described step S10, the data processing method of described cluster file system also comprises step:
Step S100, described memory node determines that data corresponding to described read or write request are the need of checking;
In the present embodiment, when primary storage node receives file read or write request, the access level of the file of described requested access can be detected, if described file is shared file, when namely can be accessed by all users, then do not need to verify the identity authority of user, if described file is privately owned file, namely described file only can be had the user of permissions to access, then need to verify the identity authority of user, determine whether described file can be issued the client-access of request of access.
Step S110, when the data that described read or write request is corresponding need checking, described memory node obtains the authorization information of user's input;
The file of accessing in client-requested is privately owned file, and when namely needing checking, primary storage node needs the information obtaining user's input, verifies the authority of user.Now, user may carry out register, and primary storage node only needs the information to Controlling vertex forwards to travel through, and captures the data with username and password key word or handle, and then obtain the authorization information of user's input, the authority of user is verified; If now user not yet logs in, primary storage node can send message to Controlling vertex, notice Controlling vertex is reminded to the checking of client sending permission or is controlled client and ejects login interface, after user's input validation information, by Controlling vertex, the authorization information that described user inputs is forwarded to primary storage node and verifies.
Step S120, judges whether described authorization information mates with the authorization information prestored;
When described authorization information is mated with the authorization information prestored, perform described memory node and read data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write the step of data according to the solicited message in said write request and described buffer area, i.e. step S10.
The data processing method of the cluster file system that the present embodiment proposes, after receiving data operation request, the operating right of described data can be obtained, if described data need Authority Verification, then obtain the authorization information of user's input, when the authorization information of user's input is mated with the authorization information prestored, just perform corresponding data manipulation, improve the security of cluster file system data.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computing machine, cloud server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a data processing equipment for cluster file system, is characterized in that, the data processing equipment of described cluster file system comprises:
Data processing module, during for receiving file read or write request at memory node, read the data in memory block according to the solicited message in described read requests and described buffer area, or in memory block, write data according to the solicited message in said write request and described buffer area
Memory module, for by the solicited message in described read or write request stored in buffer area;
Synchronization module, for by described request synchronizing information in cluster file system from memory node.
2. the data processing equipment of cluster file system as claimed in claim 1, it is characterized in that, the data processing equipment of described cluster file system also comprises:
Detection module, during for receiving services request, detects the type of described services request, judges whether described services request is read or write request;
Respond module, if be not read or write request for described services request, then responds described services request;
Described data processing module, if be also read or write request for described services request, then read the data in memory block according to the solicited message in described read requests and described buffer area, or in memory block, write data according to the solicited message in said write request and described buffer area.
3. the data processing equipment of cluster file system as claimed in claim 1, it is characterized in that, the data processing equipment of described cluster file system also comprises:
Determination module, for when receiving file read or write request, determines that data corresponding to described read or write request are the need of checking;
Acquisition module, when needing to verify for the data corresponding in described read or write request, obtains the authorization information of user's input;
Described data processing module, also for when described authorization information is mated with the authorization information prestored, read the data in memory block according to the solicited message in described read requests and described buffer area, or in memory block, write data according to the solicited message in said write request and described buffer area.
4. the data processing equipment of cluster file system as claimed in claim 2, it is characterized in that, the data processing equipment of described cluster file system also comprises:
Described detection module, also for detecting link connection state and running status;
Handover module, for when detecting that link connects fault or operation troubles, chooses primary storage node what be in normal operating conditions from memory node, by described in choosing from the address mark of memory node be primary storage node address;
Update module, for the described primary storage node address of mark is sent to Controlling vertex and described in choosing from memory node, wherein, described Controlling vertex adopts the described primary storage node address received to upgrade the described primary storage node address preserved, and the described memory node chosen is when receiving described primary storage node address, duty is switched to primary storage node state.
5. the data processing equipment of cluster file system as claimed in claim 4, it is characterized in that, described detection module comprises:
Link detecting unit, sends first for timing to described Controlling vertex and detects packet and receive the second response data packet that described Controlling vertex feeds back based on described detection packet;
Whether read-write detecting unit, during for receiving described response data packet within a preset time interval, judge to read and write normal;
Identifying unit, in reading and when writing normal, judges normal operation, when reading and write is abnormal, judges operation troubles, and when not receiving described response data packet within a preset time interval, judges that link connects fault.
6. a data processing method for cluster file system, is characterized in that, the data processing method of described cluster file system comprises:
When memory node receives file read or write request, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, writes data according to the solicited message in said write request and described buffer area;
Described memory node by the solicited message in described read or write request stored in its buffer area;
Described memory node by described request synchronizing information in cluster file system from memory node.
7. the data processing method of cluster file system as claimed in claim 6, it is characterized in that, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or also comprises before writing the step of data according to the solicited message in said write request and described buffer area in its memory block:
When described memory node receives services request, detect the type of described services request;
Judge whether described services request is read or write request;
If described services request is read or write request, then perform described memory node and read data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write the step of data according to the solicited message in said write request and described buffer area;
Described judge whether described services request is the step of read or write request after, the data processing method of described cluster file system also comprises:
If described services request is not read or write request, then respond described services request.
8. the method for the data processing of cluster file system as claimed in claim 6, it is characterized in that, described memory node reads the data in its memory block according to the solicited message in described read requests and described buffer area, or before writing the step of data according to the solicited message in said write request and described buffer area in its memory block, the data processing method of described cluster file system also comprises step:
When memory node receives file read or write request, described memory node determines that data corresponding to described read or write request are the need of checking;
When the data that described read or write request is corresponding need checking, described memory node obtains the authorization information of user's input;
When described authorization information is mated with the authorization information prestored, perform described memory node and read data in its memory block according to the solicited message in described read requests and described buffer area, or in its memory block, write the step of data according to the solicited message in said write request and described buffer area.
9. the data processing method of cluster file system as claimed in claim 6, it is characterized in that, the data processing method of described cluster file system also comprises:
When described memory node is primary storage node, described memory node detects the running status of its link connection state and described memory node;
When described acquisition memory node detects that its link connects fault or described memory node operation troubles in real time, described memory node chooses primary storage node what be in normal operating conditions from memory node, by described in choosing from the address mark of memory node be primary storage node address;
The described primary storage node address of mark is sent to Controlling vertex and described in choosing from memory node, wherein, described Controlling vertex adopts the described primary storage node address received to upgrade the described primary storage node address preserved, and the described memory node chosen is when receiving described primary storage node address, duty is switched to primary storage node state.
10. the method for the data processing of cluster file system as claimed in claim 9, it is characterized in that, the step that described memory node detects the running status of its link connection state and described memory node comprises:
Described memory node timing sends first to described Controlling vertex and detects packet;
Receive the second response data packet that described Controlling vertex feeds back based on described detection packet:
When receiving described response data packet within a preset time interval, judge the reading of described memory node and whether normally write;
In the reading of described memory node and when writing normal, judge described memory node normal operation, when reading and the write exception of described memory node, judge described memory node operation troubles;
When not receiving described response data packet within a preset time interval, judge that the link of described memory node connects fault.
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| CN113259092A (en) * | 2021-04-04 | 2021-08-13 | 余绍祥 | Document distributed encryption system |
| CN116644039A (en) * | 2023-05-25 | 2023-08-25 | 安徽继远软件有限公司 | Automatic acquisition and analysis method for online capacity operation log based on big data |
| CN116644039B (en) * | 2023-05-25 | 2023-12-19 | 安徽继远软件有限公司 | Automatic acquisition and analysis method for online capacity operation log based on big data |
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| WO2017088664A1 (en) | 2017-06-01 |
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