CN108255639A - A kind of server system - Google Patents
A kind of server system Download PDFInfo
- Publication number
- CN108255639A CN108255639A CN201711321819.8A CN201711321819A CN108255639A CN 108255639 A CN108255639 A CN 108255639A CN 201711321819 A CN201711321819 A CN 201711321819A CN 108255639 A CN108255639 A CN 108255639A
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- computer
- backup
- external device
- server
- snapshot
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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
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a kind of server system, including：External device, KVM modules, computer, server unit and backup computer, wherein, external device connects computer, server unit and backup computer by KVM modules；Abnormal system for computer snapshot, when there is abnormal computer, is output to backup computer and started by server unit for periodically obtaining and preserving system for computer snapshot, external device is made to connect backup computer by KVM modules；Server unit is additionally operable to periodically obtain and preserve system for computer snapshot, when there is abnormal computer, abnormal system for computer snapshot is output to backup computer and is started, the computer specified is driven to pass through Remote desk process backup computer.The present invention carries out the connection of computer and external device by KVM modules, can realize and other computers are operated under not mobile condition, can quickly restore abnormal computer by backup computer processing system snapshot.
Description
Technical field
The present invention relates to computer realm more particularly to a kind of server systems.
Background technology
Isomorphism server system includes several computers and external device, inevitably will appear particular computer in use and breaks
The failures such as electricity or unexpected shutdown, go another set of external device to restore department of computer science if there is problem with regard to mobile operator
System influences whether the efficiency of work.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of server system.
The technical solution adopted by the present invention is a kind of server system, including：External device, KVM modules, computer, clothes
Be engaged in device unit and backup computer, wherein, the external device by the KVM modules connect computer, server unit and
Backup computer；The server unit is counted for periodically obtaining and preserving the system for computer snapshot when there is exception
During calculation machine, abnormal system for computer snapshot is output to backup computer and is started, made by KVM modules described external
Equipment connects the backup computer；The server unit is additionally operable to periodically to obtain and preserve the system for computer fast
According to when there is abnormal computer, abnormal system for computer snapshot being output to backup computer and is started, driving refers to
Fixed computer passes through backup computer described in Remote desk process.
Preferably, virtual EDID chips are further included, which is used to connect the computer and exports virtual EDID values.
Preferably, the external device includes display, mouse and keyboard.
Preferably, the KVM modules are used to obtain external connection relation instruction, according to connection relation instruction setting
External device and computer, server unit, backup computer connection logic.
Preferably, whether normal the server unit is additionally operable to detect the connection logic.
Preferably, the computer specified passes through the remote desktop tool mstsc connections backup computer.
Beneficial effects of the present invention are that the connection of computer and external device is carried out by KVM modules, can realize operation
Member operates other computers under conditions of position itself is not moved, can be quick by backup computer processing system snapshot
Recovery exception computer.
Description of the drawings
Fig. 1 show the application scenarios of the unit frame based on the embodiment of the present invention；
Fig. 2 show the transformation scene based on the embodiment of the present invention.
Specific embodiment
The present invention will be described with reference to embodiments.
Embodiment based on invention, a kind of server system, including：External device, KVM modules, computer, server list
Member and backup computer, wherein, the external device connects computer, server unit and backup by the KVM modules and counts
Calculation machine；The server unit is for periodically obtaining and preserving the system for computer snapshot, when there is abnormal computer,
Abnormal system for computer snapshot is output to backup computer and is started, connects the external device by KVM modules
Connect the backup computer；The server unit is additionally operable to periodically obtain and preserve the system for computer snapshot, when going out
Now during abnormal computer, abnormal system for computer snapshot is output to backup computer and is started, drives the meter specified
Calculation machine passes through backup computer described in Remote desk process.
System further includes virtual EDID chips, which is used to connect the computer and exports virtual EDID values.
The external device includes display, mouse and keyboard.
The KVM modules set according to connection relation instruction and are installed outside described for obtaining external connection relation instruction
It is standby with computer, the connection logic of server unit, backup computer.
Whether the server unit is additionally operable to detect the connection logic normal.
The computer specified passes through the remote desktop tool mstsc connections backup computer.
Isomorphism server cluster system is divided into a unit frame (such as server, including several computers, in server
Computer unit equality, master computer is can not only be used for, and backup computer can be used as, depending on user setting.) and it is more
Two kinds of operating modes of machine frame (two servers are connected).The cascade scene of multimachine frame is the equipment of multiple unit frames by ten thousand
Million network switch are connected.
The application scenarios of unit frame as shown in Figure 1 and transformation scene shown in Fig. 2：It attends a banquet 1~3 (i.e. external device), public
Screen 4 and unit (i.e. computer) 1~4 correspond to respectively altogether, wherein, it attends a banquet to be mutual indepedent, unit belongs to a server；It sits
It is connected between seat and unit based on KVM modules, according to preset link order, connection is attended a banquet and corresponding unit, when unit 1 goes out
Now abnormal, then will attend a banquet 1 is connected to unit 2.
When need to attend a banquet 1 check No. 2 units when, disconnection and the new line of old circuit are completed by changing circuit connecting relation
Connection, this state identifies with identifier, enumerates all connection situations, shares 4*4*4*4=256 kind situations, is
Facilitate mark, identified using the data of two bytes, from 0x1111 to 0x4444, each four figures is attended a banquet for one according to mark
With the corresponding relationship of a unit.After KVM modules get data, the connection number of each four figures evidence is directly parsed
According to determining connection relation.Attend a banquet switching correspondence determine after, will attend a banquet 1 is connected to unit 2.
And if high-rise client (using windows systems, being equivalent to the computer of supervisor) is connected, and realizes
The data of windows are sent to KVM modules by the communication of the linux system of windows systems and KVM modules.It can realize in this way
The operating status of each unit of the seat personnel in same monitoring unit of attending a banquet.
The transformation scene of multimachine frame is：
For the AB two-servers connected across machine, migrated when needing realization A1 (i.e. No. 1 unit of A servers) to B1
When (i.e. No. 1 unit of B servers), need to complete two steps：The first step, by A machines in No. 1 screen (i.e. No. 1 is attended a banquet) connection of A machines
No. 4 computers (i.e. unit 4) of device, A machines No. 1 display screen and public screen show No. 4 computers jointly at this time；Second step,
No. 4 computer remotes for using A machines are connected to No. 1 computer (using remote desktop) of B machines.No. 1 screen of A machines at this time
Show No. 1 computer of B machines after migrating.
Remote desktop mstsc tools：The remote desktop software of Microsoft.Windows schemes are run in Linux virtual machines
In, using the network of remote desktop tool remote host Linux computer, under such situation, independent of windows system networks
Whether network function is unobstructed, it can be seen that the process that windows systems restart in Linux virtual machines.
EDID:(Extended Display Identification Data) extending display identification data, wherein including
Parameter in relation to monitor and its performance, including supplier information, maximum image size, color is set, factory default is put, frequency
The limitation of range and display name and the character string of sequence number.Under implied terms, computer reads the EDID information of display.
In long-range connection procedure is carried out, computer is not directly connected display, and windows acquiescences provide 800* at this time
600 default resolution, this obviously cannot meet the needs of large-size screen monitors display.In DVI interface access of virtual EDID chips, the chip
It communicates with PC machine device so that PC machine and video card obtain virtual display EDID values, and being mistakenly considered system, there are big screen displays
Show device, so as to which windows system demonstrations be made to go out normal resolution condition.This scheme can meet lack display under the conditions of
It is remotely connected, while needs to obtain the resolution scene optimized.
Server unit periodically preserves the snapshot of computer system at runtime.It is (abnormal to calculate in computer power down
Machine), service unit can resume operation the backup of failure system state on designated computer or backup computer, and pass through
Unit switches or remote desktop is used in combination, and realizes the automatic switching function of server unit, automatically switches server respectively
Interior migration or cross-server migration, are here respectively described process.The process migrated for unit in server：
1. computer unit shuts down or power down；
2. standby system is moved to backup computer, and starts to start standby system；
3. check whether that ping leads to (i.e. whether KVM modules detection connection logic is normal)；
4. directly switching KVM's attends a banquet, attending a banquet for trouble unit is switched into backup computer up.
For the design process A1- of the migration of cross-server unit>B1：
1. A1 computer units shut down or power down；
2. standby system is moved to Hot Spare computer or the computer specified (B1), and starts to start standby system；
3. kvm system (i.e. KVM modules), which attends a banquet failure, switches to public computer (i.e. public screen corresponding unit), this
When public computer (unit 4) attend a banquet and faulty computer is attended a banquet the same content of displaying；
4. public computer check server unit startup whether can ping lead to；
5. if ping led to, the system that No. 4 public computer remote linkages are got up using remote desktop；
Terminate.
The effect being finally reached, when operator attend a banquet corresponding computer glitch after, can be in other backup computers
Restore former software systems operation, and the operating status of the current computer before still showing failure of attending a banquet.Operator without
Palpus shift position can check the former operating status attended a banquet.
The above, only presently preferred embodiments of the present invention, the invention is not limited in the above embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to the scope of protection of the present invention.In the protection model of the present invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (6)
1. a kind of server system, which is characterized in that including：
External device, KVM modules, computer, server unit and backup computer, wherein,
The external device connects computer, server unit and backup computer by the KVM modules；
The server unit is for periodically obtaining and preserving the system for computer snapshot, when there is abnormal computer,
Abnormal system for computer snapshot is output to backup computer and is started, connects the external device by KVM modules
Connect the backup computer；
The server unit is additionally operable to periodically obtain and preserve the system for computer snapshot, when the abnormal computer of appearance
When, abnormal system for computer snapshot is output to backup computer and is started, the computer specified is driven to pass through long-range
Desktop connects the backup computer.
2. a kind of server system according to claim 1, which is characterized in that further include virtual EDID chips, the chip
For connecting the computer and exporting virtual EDID values.
3. a kind of server system according to claim 1, which is characterized in that the external device includes display, mouse
Mark and keyboard.
4. according to a kind of server system of claims 1 to 3 any one of them, which is characterized in that the KVM modules are used to obtain
External connection relation instruction is taken, the external device and computer, server unit, backup are set according to connection relation instruction
The connection logic of computer.
5. a kind of server system according to claim 4, which is characterized in that the server unit is additionally operable to detection institute
Whether normal state connection logic.
6. a kind of server system according to claim 1, which is characterized in that the computer specified passes through long-range table
The face tool mstsc connections backup computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321819.8A CN108255639A (en) | 2017-12-12 | 2017-12-12 | A kind of server system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321819.8A CN108255639A (en) | 2017-12-12 | 2017-12-12 | A kind of server system |
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| Publication Number | Publication Date |
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| CN108255639A true CN108255639A (en) | 2018-07-06 |
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| CN201711321819.8A Pending CN108255639A (en) | 2017-12-12 | 2017-12-12 | A kind of server system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740066A (en) * | 2019-10-30 | 2020-01-31 | 北京计算机技术及应用研究所 | Cross-machine fault migration method and system with unchangeable seats of types |
| CN110752955A (en) * | 2019-10-30 | 2020-02-04 | 北京计算机技术及应用研究所 | Seat invariant fault migration system and method |
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Application publication date: 20180706 |
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