CN106992883B - Data control method and data control device - Google Patents
Data control method and data control device Download PDFInfo
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- CN106992883B CN106992883B CN201710189492.7A CN201710189492A CN106992883B CN 106992883 B CN106992883 B CN 106992883B CN 201710189492 A CN201710189492 A CN 201710189492A CN 106992883 B CN106992883 B CN 106992883B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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Abstract
A data control method and device are applied to a server controller, the server controller is connected with a plurality of servers through a transfer device, and the method comprises the following steps: acquiring first running state information of the transfer device; determining whether the transfer device is out of order based on the first operation state information; when determining that the transfer device fails and cannot acquire the data of the server connected with the transfer device, directly sending a data acquisition instruction to the plurality of servers to request to acquire the data of the server. In the embodiment of the invention, when the transfer device fails, the server controller is used for actively taking over the data management of the node server, so that the condition that the data of the node server is not updated in time in the blank period of the failure of the transfer device is ensured, and the fault tolerance of the whole cabinet system is enhanced.
Description
Technical Field
The embodiment of the invention relates to a data control method and a data control device corresponding to the method.
Background
Currently, in the management of the whole rack, a macro manager of each rack is a server controller, for example, a rack Module controller RMC (rack Module controller), the RMC is connected to a plurality of middle boards MP (Mid-Plane) as a relay device, and the MP is connected to each node, i.e., a server. The MP is arranged between the RMC and the server node and used as a data transmission medium to actively capture data information on the server node and then transmit the data back to the RMC, so that the RMC can perform macro regulation and control or partial operation on the health condition of the cabinet.
However, if the MP as the medium fails, the data information of the server node corresponding to the MP cannot be read temporarily, so that the data of the node is in the update stop state, and the RMC cannot acquire any information thereof. For a cabinet with a self-recovery function, the RMC needs to wait for the cabinet to recover to a normal state before continuing to capture node data. For the cabinet without the self-recovery function, the part of the node information is always in a blank state, and the node information is not recovered until a worker processes the node information. Therefore, data errors are likely to be generated, and the operation and management of the whole cabinet are affected.
Disclosure of Invention
An embodiment of the present invention provides a data control method and a data control apparatus to solve the above technical problems.
According to at least one embodiment of the present invention, there is provided a data control method applied to a server controller connected to a plurality of servers through a relay device, the method including: acquiring first running state information of the transfer device; determining whether the transfer device is out of order based on the first operation state information; when determining that the transfer device fails and cannot acquire the data of the server connected with the transfer device, directly sending a data acquisition instruction to the plurality of servers to request to acquire the data of the server.
According to at least one embodiment of the present invention, there is also provided a data control apparatus applied to a server controller connected to a plurality of servers through a relay apparatus, the apparatus including: an obtaining unit, configured to obtain first operation state information of the transfer device; a determination unit configured to determine whether the relay device is malfunctioning based on the first operation state information; and a data acquisition unit, configured to, when it is determined that the relay device fails and cannot acquire data of the server connected to the relay device, directly send a data acquisition instruction to the plurality of servers to request to acquire data of the server.
According to the embodiment of the invention, when the transfer device fails, the server controller is used for actively taking over the data management of the node server, so that the condition that the data of the node server is not updated in time in the blank period of the failure of the transfer device is ensured, and the fault tolerance of the whole cabinet system is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. The drawings in the following description are merely exemplary embodiments of the invention.
FIG. 1 shows a flow diagram of a data control method according to an embodiment of the invention;
FIG. 2 shows a flow diagram of another data control method according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a data control apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another data control apparatus according to an embodiment of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that in the present specification and the drawings, steps and elements having substantially the same structure are denoted by the same reference numerals, and repeated explanation of the steps and elements will be omitted.
In the following embodiments of the invention, the server controller is a macro management controller in all server clusters, for example a rack Module controller rmc (rack Module controller) in a complete rack management project. The server may be one or more server nodes in a server cluster, and the relay device may be an intermediary between the server controller and the server nodes, that is, the server controller is connected with a plurality of servers through the relay device. The transfer device may be, for example, a middle board MP (Mid-Plane) in a rack management project. Generally, a server controller is connected with a plurality of relay devices, one relay device is connected with a plurality of server nodes, and is responsible for forwarding instructions of the server controller to the server nodes and forwarding related data of the server nodes to the server controller. The relevant data may include, for example, data characterizing whether the server is functioning properly.
Fig. 1 shows a flowchart 100 of a data control method according to an embodiment of the present invention, and the data control method according to an embodiment of the present invention, which is a method performed by the aforementioned server controller, will be described below with reference to fig. 1. Referring to fig. 1, in step S101, first operation state information of the relay device is acquired. According to an example of the present invention, the server controller continuously detects the relay device, and in the detection process, first operation state information of the relay device, for example, a connection situation between the relay device and a plurality of servers connected thereto, is acquired. The attribute parameters of the relay device, such as whether the self-recovery function is provided, the processor performance, the memory capacity, and the like. The operation parameters of the relay device, such as the data processor speed, the network transmission speed, the data response time, and the like, may also be acquired. And in the subsequent steps, the detection is carried out by utilizing the state information.
In step S102, it is determined whether the relay device is malfunctioning based on the first operation state information. According to an example of the present invention, the server controller determines whether the relay device malfunctions based on the operation parameters and/or the attribute parameters of the in-fit devices acquired in step S101. For example, the server controller may pre-store an operation parameter or an attribute parameter when the transfer device normally operates, and when it is determined after the comparison that the first operation state information of the current transfer device is different from the pre-stored parameter or the difference exceeds a predetermined threshold, it may be determined that the transfer device has a fault. Or, the server controller directly determines whether the relay device is out of order based on whether the relay device responds to the data.
In step S103, when it is determined that the relay device has failed and cannot acquire data of the server connected to the relay device, a data acquisition instruction is directly transmitted to the plurality of servers to request acquisition of data of the server. According to an example of the present invention, when the relay device cannot normally respond to the data, or the first operation state information thereof is different from the pre-stored parameter, or the difference exceeds a predetermined threshold, it is determined that the relay device has failed and cannot normally acquire the data of the server connected to the relay device. If the relay device is still able to normally acquire the data of the server connected to the relay device despite the failure, it can be determined whether the relay device has failed or not according to the determination criteria of the server controller itself.
When the transfer device is determined to be in fault, in order to guarantee normal transmission of data, the server controller directly sends a data acquisition instruction to the plurality of servers to request to acquire the data of the servers.
According to an example of the present invention, when requesting to acquire data of a server, the server controller may first determine a hardware identifier and/or a network address of a relay device that has a failure, and determine a plurality of servers to which the relay device is connected based on the identification information or address information of the relay device. After all the servers are determined, the determined network addresses of the plurality of servers are acquired, and then a data acquisition instruction can be sent to the network addresses to acquire the data of the servers. For example, the server controller may send a data acquisition instruction to a hardware management interface of the server, instructing to acquire data of the server.
According to an example of the present invention, the server controller may receive initial information of a plurality of servers connected to the relay device sent by the relay device in advance, store the initial information in the memory, and acquire network addresses of the plurality of servers from the memory when it is necessary to acquire an address of a server corresponding to the relay device. The initial information may include, for example: hardware identification of the server, network address of the server, identification of the relay device connected with the server, and the like. Optionally, the initial information further includes base module group controller information of the server, and the server controller may obtain a network address of the server from the base module group controller information.
By the data control method, when the transfer device fails, the server controller can take over the server managed by the failure transfer device, so that normal updating of data is effectively ensured, and the fault tolerance of the whole system is improved.
The above describes a technical scheme that when a relay device fails, a server controller directly obtains data from a server, and a technical scheme that the server is taken over again after the relay device fails to recover is further described below. FIG. 2 shows a flow chart 200 of another data control method according to an embodiment of the invention. The data control method describes a process that the transfer device takes over from the failure to the server which is taken over again after the failure is recovered. The first three steps of the technical solution are the same as those of the foregoing embodiment, and for the sake of brevity of the description, only the last three steps are described below, and the first three steps refer to the foregoing embodiment specifically.
Referring to fig. 2, in step S201, first operation state information of the relay device is acquired. In step S202, it is determined whether the relay device is malfunctioning based on the first operation state information. In step S203, when it is determined that the relay device has failed and cannot acquire data of the server connected to the relay device, a data acquisition instruction is directly transmitted to the plurality of servers to request acquisition of data of the server.
In step S204, after it is determined that the relay device is out of order, the second operation information of the relay device is continuously acquired. According to an example of the present invention, after the server controller determines that the relay device has a failure, when the relay device has a self-repair function, a forced recovery instruction may be sent to the relay device, the forced recovery instruction instructing the relay device to recover to a normal operating state. And periodically and continuously acquiring second operation information of the transfer device, wherein the second operation information is used for judging whether the fault of the transfer device is recovered. When the transfer device does not have the self-repair function, the server controller may also notify the user interface program to instruct a worker to overhaul the transfer device, and periodically acquire the second operation information of the transfer device or acquire the second operation information of the transfer device according to a user instruction.
In step S205, it is determined whether the relay device failure is recovered based on the second operation information. The server controller may determine whether the failure of the relay device is recovered based on the second operation information of the relay device acquired in step S204. The second operational information may be the same as the first operational information, including, for example, the aforementioned operational parameters and/or attribute parameters. The second operation information may also be different from the first operation information. The server controller pre-stores the operation parameters or attribute parameters of the transfer device during normal operation, and when the second operation state information of the current transfer device is determined to be the same as the pre-stored parameters after comparison, or the difference is smaller than a preset threshold value, the fault recovery of the transfer device can be judged. Or, the server controller directly determines that the relay device has failed to recover based on a situation that the relay device has been able to respond to the data normally.
In step S206, when it is determined that the relay device has failed back and data of the server connected to the relay device can be acquired, an instruction is sent to the relay device to instruct the relay device to continue acquiring data from the server connected thereto. According to an example of the present invention, after the relay device returns to normal, the server controller determines whether the relay device can normally acquire data of the server connected thereto, and when the determination is yes, sends an instruction to the relay device to return the control right to acquire the data of the server to the relay device, and the node server corresponding to the relay device can be continuously updated.
In the embodiment of the invention, when the transfer device fails, the server controller takes over the server corresponding to the transfer device, and after the failure of the transfer device is recovered, the control right is transferred back to the transfer device. The normal updating of the server data during the fault period of the transfer device can be effectively ensured, the data fault tolerance of the whole cabinet is enhanced, and the possibility of missing report of the server problem is reduced. Meanwhile, the technical scheme can be realized by software, and the system cost is reduced.
Having described the data control method according to the embodiment of the present invention, a data control apparatus corresponding to the data control method will be briefly described below.
Fig. 3 shows a schematic structural diagram 300 of a data control device according to an embodiment of the present invention, and the data control device according to the embodiment of the present invention, which is a device executed by the aforementioned server controller, will be described below with reference to fig. 3. Referring to fig. 3, the data control device 300 includes: a first acquisition unit 310, a first determination unit 320, and a data acquisition unit 330.
The first acquisition unit 310 acquires first operation state information of the relay device. According to an example of the present invention, the server controller continuously detects the relay device, and in the detection process, first operation state information of the relay device, for example, a connection situation between the relay device and a plurality of servers connected thereto, is acquired. The attribute parameters of the relay device, such as whether the self-recovery function is provided, the processor performance, the memory capacity, and the like. The operation parameters of the relay device, such as the data processor speed, the network transmission speed, the data response time, and the like, may also be acquired. And in the subsequent steps, the detection is carried out by utilizing the state information.
The first determination unit 320 determines whether the relay device has failed based on the first operation state information. According to an example of the present invention, the server controller determines whether the relay device malfunctions based on the operation parameters and/or the attribute parameters of the in-fit devices acquired by the first acquisition unit 310. For example, the server controller may pre-store an operation parameter or an attribute parameter when the transfer device normally operates, and when it is determined after the comparison that the first operation state information of the current transfer device is different from the pre-stored parameter or the difference exceeds a predetermined threshold, it may be determined that the transfer device has a fault. Or, the server controller directly determines whether the relay device is out of order based on whether the relay device responds to the data.
When it is determined that the relay device has failed and cannot acquire data of the server connected to the relay device, the data acquisition unit 330 directly transmits a data acquisition instruction to the plurality of servers to request acquisition of data of the servers. According to an example of the present invention, when the relay device cannot normally respond to the data, or the first operation state information thereof is different from the pre-stored parameter, or the difference exceeds a predetermined threshold, it is determined that the relay device has failed and cannot normally acquire the data of the server connected to the relay device. If the relay device is still able to normally acquire the data of the server connected to the relay device despite the failure, it can be determined whether the relay device has failed or not according to the determination criteria of the server controller itself.
When the transfer device is determined to be in fault, in order to guarantee normal transmission of data, the server controller directly sends a data acquisition instruction to the plurality of servers to request to acquire the data of the servers.
According to an example of the present invention, when requesting to acquire data of a server, the server controller may first determine a hardware identifier and/or a network address of a relay device that has a failure, and determine a plurality of servers to which the relay device is connected based on the identification information or address information of the relay device. After all the servers are determined, the determined network addresses of the plurality of servers are acquired, and then a data acquisition instruction can be sent to the network addresses to acquire the data of the servers. For example, the server controller may send a data acquisition instruction to a hardware management interface of the server, instructing to acquire data of the server.
According to an example of the present invention, the server controller may receive initial information of a plurality of servers connected to the relay device sent by the relay device in advance, store the initial information in the memory, and acquire network addresses of the plurality of servers from the memory when it is necessary to acquire an address of a server corresponding to the relay device. The initial information may include, for example: hardware identification of the server, network address of the server, identification of the relay device connected with the server, and the like. Optionally, the initial information further includes base module group controller information of the server, and the server controller may obtain a network address of the server from the base module group controller information.
By the data control method, when the transfer device fails, the server controller can take over the server managed by the failure transfer device, so that normal updating of data is effectively ensured, and the fault tolerance of the whole system is improved.
The above describes a technical scheme that when a relay device fails, a server controller directly obtains data from a server, and a technical scheme that the server is taken over again after the relay device fails to recover is further described below. Fig. 4 shows a schematic diagram 400 of another data control device according to an embodiment of the present invention. The data control device describes a scheme that the transit device takes over from the failure to the server which is taken over again after the failure is recovered. The first three units of the technical solution are the same as those of the foregoing embodiment, and for the sake of brevity of the description, only the last three units are described below, and the first three units refer to the foregoing embodiment specifically.
Referring to fig. 4, the data control device 400 includes: a first acquiring unit 410, a first determining unit 420, a data acquiring unit 430, a second acquiring unit 440, a second determining unit 450, and an indicating unit 460.
The first acquisition unit 410 acquires first operation state information of the relay device. The first determination unit 420 determines whether the relay device has a failure based on the first operation state information. When it is determined that the relay device has failed and cannot acquire data of the server connected to the relay device, the data acquisition unit 430 directly transmits a data acquisition instruction to the plurality of servers to request acquisition of data of the servers.
The second obtaining unit 440 continues to obtain the second operation information of the relay device after determining that the relay device is out of order. According to an example of the present invention, after the server controller determines that the relay device has a failure, when the relay device has a self-repair function, a forced recovery instruction may be sent to the relay device, the forced recovery instruction instructing the relay device to recover to a normal operating state. And periodically and continuously acquiring second operation information of the transfer device, wherein the second operation information is used for judging whether the fault of the transfer device is recovered. When the transfer device does not have the self-repair function, the server controller may also notify the user interface program to instruct a worker to overhaul the transfer device, and periodically acquire the second operation information of the transfer device or acquire the second operation information of the transfer device according to a user instruction.
The second determination unit 450 determines whether the relay device failure is recovered based on the second operation information. The server controller may determine whether the failure of the relay device is recovered based on the second operation information of the relay device acquired by the second acquisition unit 440. The second operational information may be the same as the first operational information, including, for example, the aforementioned operational parameters and/or attribute parameters. The second operation information may also be different from the first operation information. The server controller pre-stores the operation parameters or attribute parameters of the transfer device during normal operation, and when the second operation state information of the current transfer device is determined to be the same as the pre-stored parameters after comparison, or the difference is smaller than a preset threshold value, the fault recovery of the transfer device can be judged. Or, the server controller directly determines that the relay device has failed to recover based on a situation that the relay device has been able to respond to the data normally.
When it is determined that the relay device is recovered from the failure and the data of the server connected to the relay device can be acquired, the instructing unit 460 transmits an instruction to the relay device to instruct the relay device to continue acquiring the data from the server connected thereto. According to an example of the present invention, after the relay device returns to normal, the server controller determines whether the relay device can normally acquire data of the server connected thereto, and when the determination is yes, sends an instruction to the relay device to return the control right to acquire the data of the server to the relay device, and the node server corresponding to the relay device can be continuously updated.
In the embodiment of the invention, when the transfer device fails, the server controller takes over the server corresponding to the transfer device, and after the failure of the transfer device is recovered, the control right is transferred back to the transfer device. The normal updating of the server data during the fault period of the transfer device can be effectively ensured, the data fault tolerance of the whole cabinet is enhanced, and the possibility of missing report of the server problem is reduced. Meanwhile, the technical scheme can be realized by software, and the system cost is reduced.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. And the software modules may be disposed in any form of computer storage media. To clearly illustrate this interchangeability of hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It should be understood by those skilled in the art that various modifications, combinations, partial combinations and substitutions may be made in the present invention depending on design requirements and other factors as long as they are within the scope of the appended claims and their equivalents.
Claims (10)
1. A data control method is applied to a server controller, the server controller is connected with a plurality of servers through a transfer device, and the method comprises the following steps:
acquiring first running state information of the transfer device;
determining whether the transfer device is out of order based on the first operation state information;
when it is determined that the transfer device fails and cannot acquire the data of the server connected to the transfer device, directly sending a data acquisition instruction to the plurality of servers to request to acquire the data of the server, wherein the method further comprises:
receiving in advance initial information of a plurality of servers connected to the relay device, which is sent by the relay device;
storing the initial information in a memory.
2. The method of claim 1, further comprising:
after the transfer device is determined to be in fault, continuously acquiring second operation information of the transfer device;
determining whether the transfer device is recovered from the fault based on the second operation information;
when it is determined that the relay device is recovered from the failure and data of the server connected to the relay device can be acquired, an instruction is sent to the relay device to instruct the relay device to continue acquiring data from the server connected to the relay device.
3. The method of claim 2, further comprising:
and after determining that the transfer device has a fault, sending a forced recovery instruction to the transfer device, wherein the forced recovery instruction indicates that the transfer device recovers to a normal working state.
4. The method according to claim 1, wherein the step of directly sending a data acquisition instruction to the plurality of servers to request acquisition of the data of the servers when it is determined that the relay device fails and cannot acquire the data of the servers connected to the relay device, comprises:
determining a plurality of servers to which the relay device having the failure is connected, when it is determined that the relay device has the failure and cannot acquire data of the servers connected to the relay device;
acquiring network addresses of the plurality of servers;
and sending a data acquisition instruction to the network address.
5. The method of claim 4, further comprising:
obtaining the network addresses of the plurality of servers comprises:
network addresses of the plurality of servers are retrieved from the memory.
6. A data control apparatus applied to a server controller connected to a plurality of servers through a relay apparatus, the apparatus comprising:
a first obtaining unit, configured to obtain first operation state information of the transfer device;
a first determination unit configured to determine whether the relay device is malfunctioning based on the first operation state information;
a data acquisition unit, configured to, when it is determined that the relay device fails and cannot acquire data of the server connected to the relay device, directly send a data acquisition instruction to the plurality of servers to request to acquire data of the servers;
a receiving unit, configured to receive, in advance, initial information of a plurality of servers connected to the relay device, which is sent by the relay device;
a storage unit for storing the initial information in a memory.
7. The apparatus of claim 6, the apparatus further comprising:
the second obtaining unit is used for continuously obtaining second operation information of the transfer device after the transfer device is determined to be in fault;
a second determination unit configured to determine whether the relay device is recovered from the failure based on the second operation information;
an instructing unit configured to, when it is determined that the relay device is recovered from the failure and data of the server connected to the relay device can be acquired, send an instruction to the relay device to instruct the relay device to continue acquiring data from the server connected to the relay device.
8. The apparatus of claim 7, further comprising:
and the forced recovery indicating unit is used for sending a forced recovery instruction to the transfer device after the transfer device is determined to be in fault, and the forced recovery instruction indicates that the transfer device is recovered to a normal working state.
9. The apparatus of claim 6, wherein the data acquisition unit comprises:
a server determination unit configured to determine a plurality of servers to which the faulty relay device is connected, when it is determined that the relay device is faulty and cannot acquire data of the servers connected to the relay device;
a network address acquisition unit configured to acquire network addresses of the plurality of servers;
and the instruction sending unit is used for sending a data acquisition instruction to the network address.
10. The apparatus of claim 9, the apparatus further comprising:
the network address acquisition unit acquires the network addresses of the plurality of servers from the memory.
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| CN201710189492.7A CN106992883B (en) | 2017-03-27 | 2017-03-27 | Data control method and data control device |
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| US6970547B2 (en) * | 2003-05-12 | 2005-11-29 | Onstate Communications Corporation | Universal state-aware communications |
| US7539799B2 (en) * | 2007-02-08 | 2009-05-26 | Dot Hill Systems Corp. | Method and apparatus for identifying enclosures and devices |
| CN102510344B (en) * | 2011-11-23 | 2014-11-05 | 华为技术有限公司 | Rack server system |
| CN103166862A (en) * | 2011-12-15 | 2013-06-19 | 英业达科技有限公司 | Node information obtaining method and rack type server |
| CN105373462A (en) * | 2015-11-12 | 2016-03-02 | 浪潮(北京)电子信息产业有限公司 | Whole cabinet server management method and system |
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