CN108415797A - A method of avoid server failure switching according to library loss of data - Google Patents
A method of avoid server failure switching according to library loss of data Download PDFInfo
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- CN108415797A CN108415797A CN201810180226.2A CN201810180226A CN108415797A CN 108415797 A CN108415797 A CN 108415797A CN 201810180226 A CN201810180226 A CN 201810180226A CN 108415797 A CN108415797 A CN 108415797A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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Abstract
The present invention relates to a kind of methods avoiding server failure switching according to library loss of data, which is characterized in that includes the following steps：S1：Two-node cluster hot backup software is configured on the server, realizes the switching between server；S2：Whether monitoring host system is abnormal, and goes to step S3 in case of abnormal, otherwise goes to step S2 and continue to monitor；S3：Host services packet is closed, and starts virtual IP address；S4：Log-on data buffer service program, data are kept in local cache database；S5：Carry network disk；S6：Start standby host database service.
Description
Technical field
The invention belongs to technical field of data storage, and in particular to one kind avoids server failure switching according to library data
The method of loss.
Background technology
With the development of information technology, nowadays major enterprises and institutions increasingly pay attention to the construction of information system.Information system
Reliability of uniting is the problem of inevitably being encountered during information system is built.Any small hardware, software fault are possible to cause
The network failure of system, causes the interruption of business or the loss of data, thus can cause human and material resources, property loss.
Based on the Dual-Computer Hot-Standby System of shared storage, canonical form is that two-server adds a disk array.Dual-locomotive heat
The standby form for referring generally to server and using active/standby, same time only have a server as host-initiated system
Required service, another computer detect using two-node cluster hot backup software the operating status of host in real time as standby host, and one
Denier detects host work exception, then is first shut off the database service of host operation, then starts the database clothes in standby host
It is engaged in, it then can take over host normal work after service starts in standby host.But database takes when data volume is larger in database
Business starts, the shut-in time is longer, and database service needs are started after server carry network disk.This is existing
There is the shortcoming of technology.
Shown in Fig. 1, for data outage time-program(me) in the prior art.
Therefore, in view of the above-mentioned drawbacks in the prior art, providing design one kind avoids server failure switching according to library
The method of loss of data；To solve drawbacks described above in the prior art, it is necessary.
Invention content
It is an object of the present invention to which in view of the above-mentioned drawbacks of the prior art, providing design one kind avoiding server event
Hinder method of the switching according to library loss of data, to solve the above technical problems.
To achieve the above object, the present invention provides following technical scheme：
A method of avoid server failure switching according to library loss of data, which is characterized in that include the following steps：
S1：Two-node cluster hot backup software is configured on the server, realizes the switching between server；
S2：Whether monitoring host system is abnormal, and goes to step S3 in case of abnormal, otherwise goes to step S2 and continue to supervise
It surveys；
S3：Host services packet is closed, and starts virtual IP address；
S4：Log-on data buffer service program, data are kept in local cache database；
S5：Carry network disk；
S6：Start standby host database service.
Preferably, in the step S4, client is sent to local cache database by UDP instruction messages.
Preferably, further comprising the steps of after the step S6：
S7：After host data base service starts, in the database in data conversion storage to disk array in local cache database.
Preferably, in the step S1, connected in a standard between server and disk array.
The beneficial effects of the present invention are, local cache database receives the data that the network equipment is sent by socket,
It saves the data in the volatile data base of local server, while attempting the connection of primary database in real time, when in server
After database service starts, dumped in the database in disk array local data is stored in.Data buffer service is
Small programs, start and the shut-in time can complete within one second, and data buffer service stores data in local, not
It needs to start after carry network disk, the data buffer service in services package is placed on after startup virtual IP address.Therefore, because number
According to the addition of local unloading service, the active-standby switch time caused by the system failure is then taken by original host system is abnormal to host
Business packet closes the time for arriving database service startup again, shorten to the time that host system starts to data buffer service extremely.
This is one.
Second, by the way that local cache database service is arranged, it can effectively avoid host abnormal, data when switch between master and slave machines
Loss.
In addition, design principle of the present invention is reliable, and it is simple in structure, there is very extensive application prospect.
It can be seen that compared with prior art, the present invention with substantive distinguishing features outstanding and significantly improving, implementation
Advantageous effect be also obvious.
Description of the drawings
Fig. 1 is data outage time-program(me) in the prior art.
Fig. 2 is provided by the invention a kind of to avoid server failure switching according in data in the method for library loss of data
Disconnected time-program(me).
Specific implementation mode
The present invention will be described in detail below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is to the present invention
Explanation, and the invention is not limited in following implementation.
A kind of method avoiding server failure switching according to library loss of data that the present embodiment provides, feature exist
In including the following steps：
S1：Two-node cluster hot backup software is configured on the server, realizes the switching between server；
S2：Whether monitoring host system is abnormal, and goes to step S3 in case of abnormal, otherwise goes to step S2 and continue to supervise
It surveys；
S3：Host services packet is closed, and starts virtual IP address；
S4：Log-on data buffer service program, data are kept in local cache database；
S5：Carry network disk；
S6：Start standby host database service.
In the present embodiment, in the step S4, client is sent to local cache database by UDP instruction messages.
It is further comprising the steps of after the step S6 in the present embodiment：
S7：After host data base service starts, in the database in data conversion storage to disk array in local cache database.
In the present embodiment, in the step S1, connected in a standard between server and disk array.
Fig. 2 gives data outage time-program(me) in the present embodiment.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any this field
What technical staff can think does not have a creative variation, and without departing from the principles of the present invention made by several improvement and
Retouching, should all be within the scope of the present invention.
Claims (4)
1. a kind of method avoiding server failure switching according to library loss of data, which is characterized in that include the following steps：
S1：Two-node cluster hot backup software is configured on the server, realizes the switching between server；
S2：Whether monitoring host system is abnormal, and goes to step S3 in case of abnormal, otherwise goes to step S2 and continue to supervise
It surveys；
S3：Host services packet is closed, and starts virtual IP address；
S4：Log-on data buffer service program, data are kept in local cache database；
S5：Carry network disk；
S6：Start standby host database service.
2. a kind of method avoiding server failure switching according to library loss of data according to claim 1, feature
It is, in the step S4, client is sent to local cache database by UDP instruction messages.
3. a kind of method avoiding server failure switching according to library loss of data according to claim 2, feature
It is, it is further comprising the steps of after the step S6：
S7：After host data base service starts, in the database in data conversion storage to disk array in local cache database.
4. a kind of method avoiding server failure switching according to library loss of data according to claim 3, feature
It is, in the step S1, is connected in a standard between server and disk array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810180226.2A CN108415797A (en) | 2018-03-05 | 2018-03-05 | A method of avoid server failure switching according to library loss of data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810180226.2A CN108415797A (en) | 2018-03-05 | 2018-03-05 | A method of avoid server failure switching according to library loss of data |
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| CN108415797A true CN108415797A (en) | 2018-08-17 |
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| CN201810180226.2A Pending CN108415797A (en) | 2018-03-05 | 2018-03-05 | A method of avoid server failure switching according to library loss of data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111124638A (en) * | 2019-12-11 | 2020-05-08 | 山东超越数控电子股份有限公司 | Multi-machine program scheduling system under embedded Linux system and implementation method |
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Application publication date: 20180817 |