CN107222320A - The method and apparatus that Cloud Server cluster sets up High Availabitity connection - Google Patents
The method and apparatus that Cloud Server cluster sets up High Availabitity connection Download PDFInfo
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- CN107222320A CN107222320A CN201610163739.3A CN201610163739A CN107222320A CN 107222320 A CN107222320 A CN 107222320A CN 201610163739 A CN201610163739 A CN 201610163739A CN 107222320 A CN107222320 A CN 107222320A
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- 238000013515 script Methods 0.000 claims abstract description 68
- 238000012544 monitoring process Methods 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000007667 floating Methods 0.000 claims abstract description 17
- 230000006870 function Effects 0.000 claims description 42
- 238000010586 diagram Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 5
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- 230000001360 synchronised effect Effects 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1034—Reaction to server failures by a load balancer
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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
Abstract
The present invention proposes the method and apparatus that a kind of Cloud Server cluster sets up High Availabitity connection, the method that the Cloud Server cluster sets up High Availabitity connection includes parsing the primary virtual machine of Cloud Server cluster and standby virtual machine hosted name, and configures two-shipper mutual confidence-building mechanism；Default High Availabitity application is installed on primary virtual machine and standby virtual machine, and the High Availabitity application after installation is configured；The default monitoring script of addition, default monitoring script is used for the service for describing default High Availabitity application；Start the service of default High Availabitity application, to perform default monitoring script, and Floating IP address is set, connected with the High Availabitity for setting up Cloud Server cluster.The high availability of Cloud Server cluster can effectively be ensured by the present invention.
Description
Technical field
High Availabitity company is set up the present invention relates to Cloud Server technical field, more particularly to a kind of Cloud Server cluster
The method and apparatus connect.
Background technology
The Cloud Server machine of delaying may be to bringing on a disaster property of enterprise loss, once the main frame of bearer service system
Break down, it is necessary to being switched to standby host in the most short time.The technology for realizing this application demand is " high
Availability cluster technology ", it is a kind of server cluster technology for the purpose of reducing out of service time, protection
The business application system of user externally provides service incessantly, the failure caused by software/hardware/artificially
Influence to business is reduced to minimum degree.
In correlation technique, virtual management software only supervises virtual machine in itself, when virtual machine goes wrong
The just migration of progress virtual machine, and service the suitable of startup for the service composition cluster on virtual machine, definition
Function all imperfections, Cloud Server cluster such as service, definition service fault number of times on sequence, clone's virtual machine
High availability it is poor.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose that a kind of Cloud Server cluster sets up the side of High Availabitity connection
Method, can effectively ensure the high availability of Cloud Server cluster.
It is another object of the present invention to propose a kind of Cloud Server cluster set up High Availabitity connection device.
To reach above-mentioned purpose, the Cloud Server cluster that first aspect present invention embodiment is proposed sets up High Availabitity
The method of connection, including：Primary virtual machine and the name parsing of standby virtual machine hosted to Cloud Server cluster,
And configure two-shipper mutual confidence-building mechanism；Default High Availabitity is installed on the primary virtual machine and the standby virtual machine
Using, and the High Availabitity application after installation is configured；The default monitoring script of addition, the default monitoring
Script is used for the service for describing the default High Availabitity application；Start the service of the default High Availabitity application,
To perform the default monitoring script, and Floating IP address is set, to set up the High Availabitity of the Cloud Server cluster
Connection.
The method that the Cloud Server cluster that first aspect present invention embodiment is proposed sets up High Availabitity connection, passes through
The primary virtual machine of Cloud Server cluster and the two-shipper mutual confidence-building mechanism of standby virtual machine are configured, installing default height can
With application, and the High Availabitity application after installation is configured, and the default monitoring script of addition, preset prison
Control script is used for the service for describing default High Availabitity application, starts the service of default High Availabitity application, to perform
Default monitoring script, and Floating IP address is set, the High Availabitity connection of Cloud Server cluster is set up, can be effectively true
Protect the high availability of Cloud Server cluster.
To reach above-mentioned purpose, the Cloud Server cluster that second aspect of the present invention embodiment is proposed sets up High Availabitity
The device of connection, including：Parsing module, for the primary virtual machine to Cloud Server cluster and standby virtual
The name parsing of machine hosted, and configure two-shipper mutual confidence-building mechanism；Configuration module, in the primary virtual machine and
Default High Availabitity application is installed on the standby virtual machine, and the High Availabitity application after installation is configured；
Add module, for adding default monitoring script, the default monitoring script can for describing the default height
With the service of application；Starting module, the service for starting the default High Availabitity application is described to perform
Default monitoring script, and Floating IP address is set, connected with the High Availabitity for setting up the Cloud Server cluster.
The Cloud Server cluster that second aspect of the present invention embodiment is proposed sets up the device of High Availabitity connection, passes through
The primary virtual machine of Cloud Server cluster and the two-shipper mutual confidence-building mechanism of standby virtual machine are configured, installing default height can
With application, and the High Availabitity application after installation is configured, and the default monitoring script of addition, preset prison
Control script is used for the service for describing default High Availabitity application, starts the service of default High Availabitity application, to perform
Default monitoring script, and Floating IP address is set, connected with the High Availabitity for setting up Cloud Server cluster, can be effective
Ensure the high availability of Cloud Server cluster.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly be retouched from following
Become obvious in stating, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage are from the following description of the accompanying drawings of embodiments
It will be apparent and be readily appreciated that, wherein：
Fig. 1 is the flow for the method that the Cloud Server cluster that one embodiment of the invention is proposed sets up High Availabitity connection
Schematic diagram；
Fig. 2 is the stream for the method that the Cloud Server cluster that another embodiment of the present invention is proposed sets up High Availabitity connection
Journey schematic diagram；
Fig. 3 is the knot for the device that the Cloud Server cluster that another embodiment of the present invention is proposed sets up High Availabitity connection
Structure schematic diagram；
Fig. 4 is the knot for the device that the Cloud Server cluster that another embodiment of the present invention is proposed sets up High Availabitity connection
Structure schematic diagram.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein certainly
Beginning to same or similar label eventually represents same or similar element or the member with same or like function
Part.The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and can not
It is interpreted as limitation of the present invention.On the contrary, embodiments of the invention include falling into attached claims
All changes, modification and equivalent in the range of spirit and intension.
Fig. 1 is the flow for the method that the Cloud Server cluster that one embodiment of the invention is proposed sets up High Availabitity connection
Schematic diagram.
The method that the present embodiment sets up High Availabitity connection with the Cloud Server cluster is configured as Cloud Server cluster
Set up in the device of High Availabitity connection to illustrate.Wherein, the Cloud Server cluster sets up High Availabitity connection
Device can be arranged in Cloud Server cluster.
The method of the present embodiment can be applied after the virtualization of Cloud Server cluster starts.
Referring to Fig. 1, this method includes：
S11：Primary virtual machine and the name parsing of standby virtual machine hosted to Cloud Server cluster, and configure double
Machine mutual confidence-building mechanism.
In one embodiment, primary virtual machine and the name parsing of standby virtual machine hosted to Cloud Server cluster
Can be as follows with example：
For example, can be on the node of primary virtual machine, edit path is in Vi commard editors interface
/ etc/hosts files, herein below is added in hosts files：
192.168.56.101 Master.Cluster.com Master；
192.168.56.102 Slave.Cluster.com Slave；
Wherein, added in hosts files the form of content for primary virtual machine network ip address (for example,
192.168.56.101)；The host name or domain name (for example, Master.Cluster.com) of primary virtual machine；
The host name alias (for example, Master) of primary virtual machine.The difference of host name and domain name is, generally exists
Host name is used in LAN, then by hosts files, host name is just resolved to correspondence IP address.
Meanwhile, it can be changed in Vi commard editors interface on primary virtual machine
/ etc/sysconfig/network files, the HOSTNAME in network files is revised as
HOSTNAME=Master, in this way, is restarting the main frame of Cloud Server again, logs in primary virtual
During machine, the host name of primary virtual machine can be revised as Master.
In another embodiment, Master side can be revised as according to the above-mentioned host name by primary virtual machine
Method, is revised as Slave by the main frame of standby virtual machine is entitled, will not be repeated here.
, can after being parsed to the host name of primary virtual machine and standby virtual machine in another embodiment
To configure two-shipper mutual confidence-building mechanism, that is, a key (key) is created, to allow all use for holding this key
Family is logged in.
It is alternatively possible to set up the first SSH from primary virtual machine to standby virtual machine without password login pattern；
And twoth SSH of the foundation from standby virtual machine to primary virtual machine is without password login pattern.
In another embodiment, configuration two-shipper mutual confidence-building mechanism can be as follows with example：
For example, can be on primary virtual machine using ssh-keygen orders one SSH key of establishment, and swash
SSH keys living, wherein, the key that ssh-keygen orders can log in for generation ssh can be remote
Without input the key of long-range primary virtual machine again during the primary virtual machines of Cheng Denglu, further input public key and close
Catalogue and filename where key, can be stored under catalogue/root/.ssh, alternatively, not input mesh
When record and filename, primary virtual machine can generate public key and key under current directory, subsequently input ssh and step on
Password is recorded, input can not also input ssh login passwords using password during key, it is possible to achieve set up
The first SSH from primary virtual machine to standby virtual machine is without password login pattern, convenient use.
And primary virtual machine /root/.ssh under generate ssh to the public key and key of primary virtual machine.Enter
One step, can also copy the public key file Master_rsa.pub generated on primary virtual machine to standby virtual
Machine /root/.ssh under, and the public key file Master_rsa.pub generated on primary virtual machine copied
Shellfish to standby virtual machine /root/.ssh/authorized_keys in, and by authorized_keys's
Authority is revised as 600, by the step in the example, can set up from primary virtual machine to standby virtual machine
The first SSH without password login pattern.
Alternatively it is also possible to according to above-mentioned example, set up the 2nd SSH from standby virtual machine to primary virtual machine
Without password login pattern, it will not be repeated here.
S12：Default High Availabitity application is installed on primary virtual machine and standby virtual machine, and to the height after installation
Useful application is configured.
In one embodiment, default High Availabitity application can be applied including Pacemaker, Corosync is applied,
Crmsh is applied, and DRBD applications.
In one embodiment, default High Availabitity application is installed on primary virtual machine and standby virtual machine, and it is right
High Availabitity application after installation is configured, can be as follows with example：
For example, performing order on primary virtual machine：yum install–y pacemaker corosync
crmsh drbd；Pacemaker applications, Corosync applications, Crmsh applications, and DRBD are being installed
After finishing, configuration Corosync applications can be first begin to, i.e., in path cd/etc/corosync
Under, order scp corosync.conf.example corosync.conf are performed, that is, replicate Corosync
The configuration file of application, for example can be as follows by the content of Vi command editors modification：
threads：1；
Wherein, threads is the thread started, and threads value represents to start predetermined number thread to enter
Row heartbeat message is transmitted, relatively many and during when main frame multinuclear in Cloud Server clustered node, can be started multiple
Thread is monitored, and 0 is default value, threads values can be revised as 1 by the present embodiment, that is, starts a line
Journey carries out heartbeat message transmission.
bindnetaddr：192.168.56.0；
Wherein, bindnetaddr is the IP address section of Cloud Server cluster monitoring, by the IP address of network interface card
Can be with gateway phase and, it can be deduced that the IP address in the network segment of primary virtual machine communication, the present embodiment
192.168.56.101, mask is 255.255.255.0, then with rear for 192.168.56.0.
to_logfile：yes；
Wherein, local daily record storage can be opened by to_logfile being set into yes.
logfile：/var/log/cluster/corosync.log；
Wherein it is possible to by setting logfile, the file directory for preserving local logfile be set, in reality
In the application scenarios of border ,/var/log/cluster catalogues have been present, and can create/var/log/cluster
Corosync.log files under catalogue.
to_syslog：yes；
Wherein, by to_syslog can set whether writing system daily record, if to_syslog set
Yes is set to, then/var/log/messages can be write with system journal.
Wherein, quorum represents to enable voting mechanism, it is assumed that initial voting mechanism needs at least 3 tickets, at this
In embodiment, main frame and standby host example are included with Cloud Server cluster, only 2 nodes then can be by the phase
Votes are hoped to be revised as 2.two_node：1, wherein, represent that Cloud Server cluster includes main frame and standby host 2
During individual node, it is only necessary to throw 1 ticket, primarily can be used for main frame.
Alternatively, authentication function can be used when Corosync is applied enabling, you can with to Corosync
Using generation key.For example, can be given on primary virtual machine using corosync-keygen orders
Corosync application generation key, can be stored in/etc/corosync/authkey by the key file of generation
In path, then corosync key file authkey and corosync configuration file transmitted to standby
With virtual machine /etc/corosync catalogues under, can then perform service corosync start and open
Dynamic corosync application services, after startup is finished, can detect whether corosync normally starts.
Wherein, DRBD applications are realized with software, without sharing, and mirror image block device content deposits between server
Storage replicates solution.For example, primary virtual machine and standby virtual machine can respectively separate a part of space to
DRBD is managed, and master can be worked as by DRBD applications automatic synchronization to standby host standby host by being changed when the data on main frame
During machine failure, operation can be written and read to identical data on standby host.
In one embodiment, the service of DRBD applications can be pre-defined and create, can be as follows with example：
Input to order in Vi command editors：
Wherein, protocol C represent to use agreement C, agreement C to represent that the write-in for receiving distance host confirms
Afterwards, then it is assumed that write-in is completed.address 192.168.56.101:7898 represent to set what DRBD was applied
Listening port, for being communicated with another virtual machine.address 192.168.56.102:7898 tables
Show another listening port for setting DRBD to apply, for being communicated with another virtual machine.
Alternatively it is also possible to create subregion required during DRBD application synchrodatas, main frame and standby host are deposited
Store up space consistent, can input to order in Vi command editors：
fdisk/dev/sdc；
drbdadm create-md mysql；
service drbd start。
And, it is the host node that DRBD is applied that can set primary virtual machine, only on primary virtual machine
Input to issue orders in Vi command editors：
drbdadm--overwrite-data-of-peer primary mysql。
, can be to be inputted in Vi command editors to issue orders alternatively it is also possible to establishment file system：
mkfs-t ext4/dev/drbd0。
S13：The default monitoring script of addition, default monitoring script is used for the service for describing default High Availabitity application.
Wherein, preset and start functions, stop functions are included in monitoring script, and monitor functions.
In one embodiment, the default monitoring script of addition can example as follows：
The service of Pacemaker applications mainly has two classes, i.e. LSB services and OCF services, wherein, LSB
Service as Linux standards services, be typically/etc/init.d catalogues under script.Pacemaker applications can
To be serviced with LSB come start and stop service.And OCF services are the extensions serviced LSB, High Availabitity collection is added
The services such as the function such as failure monitoring of group's management.In the embodiment of the present invention, by realizing that OCF services can be right
Cloud management system service carries out High Availabitity guarantee.
It is alternatively possible to add default monitoring script, the default monitoring script is OCF service scripts, OCF
Service script is executable file, wherein, preset and start functions, stop functions included in monitoring script,
And monitor functions.
Alternatively, in start functions, Cloud Server cluster is started, and sets the time-out time to be
20s；In stop functions, Cloud Server cluster can be stopped, and set time-out time to be 20s；
In monitor functions, Cloud Server cluster can be monitored, and set time-out time to be 10s,
Interval time is 5s.
Alternatively, in OCF service scripts, metadata functions can be write, metadata is being performed
After function, when inputting meta-data orders at Vi commard editors interface, the data of xml forms can be exported,
The data of the xml forms are the metamessage that OCF is serviced.The explanation of each OCF services, parameter definition, life
Order definition is all illustrated that the time-out time that can then configure metadata is 5s by the data of xml forms.
Alternatively, in OCF service scripts, validate-all can also be defined, that is, detects the conjunction of parameter
Method, the validate-all of configuration time-out time is 5s.
S14：Start the service of default High Availabitity application, to perform default monitoring script, and Floating IP address be set,
Connected with the High Availabitity for setting up Cloud Server cluster.
In one embodiment, start the service of default High Availabitity application, to perform default monitoring script, and set
Floating IP address is put, can be as follows with example with the High Availabitity connection for setting up Cloud Server cluster：
For example, the IP address of primary virtual machine is 192.168.56.101, the IP address of standby virtual machine is
192.168.56.102, floating IP address is that virtual ip address is 192.168.56.254.
By the Vi commard editors pattern switching of primary virtual machine and standby virtual machine to crm order line edit patterns
Under, use following order：
configure primitive vip ocf:heartbeat:IPaddr2\；
Params ip=192.168.56.254；
Nic=eth0；
Cidr_netmask=24；
Op start timeout=20s interval=0s on-fail=stop；
Op monitor timeout=20s interval=10s on-fail=restart；
Op stop timeout=20s interval=0s on-fail=block；
verify；
commit；
It is alternatively possible to create Cloud Server cluster service, and set the startup of Cloud Server cluster, stopping,
The time-out time of monitoring.In the embodiment of the present invention, if the Cloud Server cluster on primary virtual machine is abnormal,
It can be monitored by the monitor in OCF service scripts, the operation specified when then being created according to user, certainly
Surely be host-initiated several times after, then be switched to standby host, be also directly switched to standby host.
In the present embodiment, by configure Cloud Server cluster primary virtual machine and standby virtual machine two-shipper it is mutual
Letter mechanism, installs default High Availabitity application, and the High Availabitity application after installation is configured, and addition
Default monitoring script, default monitoring script is used for the service for describing default High Availabitity application, and starting default height can
With the service of application, to perform default monitoring script, and Floating IP address is set, to set up Cloud Server cluster
High Availabitity is connected, and can effectively ensure the high availability of Cloud Server cluster.
Fig. 2 is the stream for the method that the Cloud Server cluster that another embodiment of the present invention is proposed sets up High Availabitity connection
Journey schematic diagram.
The method that the present embodiment sets up High Availabitity connection with the Cloud Server cluster is configured as Cloud Server cluster
Set up in the device of High Availabitity connection to illustrate.Wherein, the Cloud Server cluster sets up High Availabitity connection
Device can be arranged in Cloud Server cluster.
The method of the present embodiment can be applied after the virtualization of Cloud Server cluster starts.
Referring to Fig. 2, this method includes：
S21：Open the virtualization of Cloud Server cluster.
For example, the virtualization of the veneer in Cloud Server cluster or main frame can be opened, opening square
Formula is for example into BIOS, and virtualization is set into enable.
S22：First virtual machine is installed on the main frame of Cloud Server cluster, primary virtual machine, Yi Ji is used as
Second virtual machine is installed on the standby host of Cloud Server cluster, standby virtual machine is used as.
So that the first virtual machine and the second virtual machine are Virtualbox as an example, this step can be as follows with example：
The host operating system that Cloud Server cluster can be downloaded on Virtualbox websites is corresponding
Virtualbox binary system installation files, Virtualbox binary system installation files of reruning are pacified opening
Guide is filled, when installing Virtualbox virtual machines, it is allowed to which user customizes VirtualBox characteristics, selection
Any shortcut and designated mounting catalogue, while can install USB device driving and
VirtualBox host-only network adapter.
In an embodiment of the present invention, the binary system installation file when installing Virtualbox virtual machines can be with
It is VDI files, VDI files are VirtualBox hard disk mirror-image file.
Further, alternatively, the primary virtual machine of Cloud Server cluster is being created, can defined primary virtual
The OS Type that the title of machine, virtual machine are enabled, for example, can select (SuSE) Linux OS, version
It can be Linux 2.6/3.X (64bit), the memory size of primary virtual machine can also be set, for example, set
2048M is set to, the fixed disk file VDI for the virtual machine specified then is loaded, then created.
It can be realized in this step and be loaded directly into preprepared VDI files, without on every virtual machine
Operating system is reinstalled, as long as First machine installs the operating system needed to use, then other need
It is loaded directly into using the empty machine of this operating system, effectively reduces the time of installation and deployment.
Further, alternatively, before the standby virtual machine of Cloud Server cluster is created, it can be led creating
With the VDI files of virtual machine, replicate again and rename the VDI files after duplication, can also set
VDI files after duplication are changed to be readable, then according still further to primary virtual machine is created the step of, create again
Build a standby virtual machine.
In this step, realized and virtualized by main frame and standby host, it is possible to achieve the physics money of Cloud Server cluster
Source flexible dispatching, it is cross-domain shared, improve the utilization rate of resource.
S23：Set up virtual Host-only networks, and by virtual Host-only networks carry to primary virtual
On machine and standby virtual machine.
Wherein, setting up virtual Host-only networks can be as follows with example：Select primary virtual machine VirtualBox
In File-->Preferences-->network-->Host-only Networks courses of action,
In Host-only Networks Details interface, first in the Adapter TAB pages, configuration
In Adapter IP address and netmask, the present embodiment can using configuration of IP v4 addresses as
192.168.56.1, mask is 255.255.255.0, and IPv6 address wouldn't be configured, and not enabled also may be used
To be configured when needing to enable to IPv6 address.Then in Host-only Networks Details
DHCP Server interface in choose the check box before Enable Server, expression enables DCHCP
Server, can be entered when setting up virtual machine by Dynamic Host Configuration Protocol server is come the IP address of dynamically distributes virtual machine
One step, can be with the Server Address of configuration DHCP, and arranges value is 192.168.56.100, Server
Mask：255.255.255.0, Lower Address Bound：192.168.56.101 (represent DHCP
The initial address of server-assignment), Upper Address Bound：192.168.56.254 (represent DHCP
The termination address of server-assignment), now, virtual Host-only networks vboxnet0 sets up and finished.
Further, alternatively, after virtual Host-only networks vboxnet0 sets up and finished, it can set
Primary virtual machine.
For example, can be in the Setting-- in primary virtual machine>Network-->Adapter1 courses of action
In, by the network interface card Attatched to of primary virtual machine：Host-only Adapter, selection Name are
Vboxnet0, is then set to Allow All patterns by Promiscuous Mode, clicks on and determines, be i.e. handle
The Microsoft Loopback Adapter of primary virtual machine is mounted on Host-only network plane.Alternatively it is also possible to set
Standby virtual machine, repeats above-mentioned steps, and the network interface card of standby virtual machine is mounted into virtual Host-only
Network.Primary virtual machine and standby virtual machine are mounted to Host-only virtual machine network interface cards, then start master
When using virtual machine, the DHCP Server services on Host-only network interface cards will distribute IP address to virtual machine,
From the Lower Address Bound of the virtual Host-only networks of foundation, (address is the IP address of distribution
192.168.56.100) start, pass through this step, when primary virtual machine is with the first sequence starting, DHCP
Server can to primary virtual machine distribute IP address 192.168.56.101, the standby virtual machine of subsequent start-up,
DHCP Server on Host-only network interface cards are serviced distributes IP address, DHCP Server to standby virtual machine
Primary virtual machine distribution IP address 192.168.56.102 can be given.
In a kind of abnormality, if start standby virtual machine, DHCP Server fail to obtain eth0
Network interface card, then can delete/etc/udev/rules.d/70-persistent-net.rules after restart it is standby
Virtual machine.
S24：Primary virtual machine and the name parsing of standby virtual machine hosted to Cloud Server cluster, and configure double
Machine mutual confidence-building mechanism.
In one embodiment, primary virtual machine and the name parsing of standby virtual machine hosted to Cloud Server cluster
Can be as follows with example：
For example, can be on the node of primary virtual machine, edit path is in Vi commard editors interface
/ etc/hosts files, herein below is added in hosts files：
192.168.56.101 Master.Cluster.com Master；
192.168.56.102 Slave.Cluster.com Slave；
Wherein, added in hosts files the form of content for primary virtual machine network ip address (for example,
192.168.56.101)；The host name or domain name (for example, Master.Cluster.com) of primary virtual machine；
The host name alias (for example, Master) of primary virtual machine.The difference of host name and domain name is, generally exists
Host name is used in LAN, then by hosts files, host name is just resolved to correspondence IP address.
Meanwhile, it can be changed in Vi commard editors interface on primary virtual machine
/ etc/sysconfig/network files, the HOSTNAME in network files is revised as
HOSTNAME=Master, in this way, is restarting the main frame of Cloud Server again, logs in primary virtual
During machine, the host name of primary virtual machine can be revised as Master.
In another embodiment, Master side can be revised as according to the above-mentioned host name by primary virtual machine
Method, is revised as Slave by the main frame of standby virtual machine is entitled, will not be repeated here.
, can after being parsed to the host name of primary virtual machine and standby virtual machine in another embodiment
To configure two-shipper mutual confidence-building mechanism, that is, a key (key) is created, to allow all use for holding this key
Family is logged in.
It is alternatively possible to set up the first SSH from primary virtual machine to standby virtual machine without password login pattern；
And twoth SSH of the foundation from standby virtual machine to primary virtual machine is without password login pattern.
In another embodiment, configuration two-shipper mutual confidence-building mechanism can be as follows with example：
For example, can be on primary virtual machine using ssh-keygen orders one SSH key of establishment, and swash
SSH keys living, wherein, the key that ssh-keygen orders can log in for generation ssh can be remote
Without input the key of long-range primary virtual machine again during the primary virtual machines of Cheng Denglu, further input public key and close
Catalogue and filename where key, can be stored under catalogue/root/.ssh, alternatively, not input mesh
When record and filename, primary virtual machine can generate public key and key under current directory, subsequently input ssh and step on
Password is recorded, input can not also input ssh login passwords using password during key, it is possible to achieve set up
The first SSH from primary virtual machine to standby virtual machine is without password login pattern, convenient use.
And primary virtual machine /root/.ssh under generate ssh to the public key and key of primary virtual machine.Enter
One step, can also copy the public key file Master_rsa.pub generated on primary virtual machine to standby virtual
Machine /root/.ssh under, and the public key file Master_rsa.pub generated on primary virtual machine copied
Shellfish to standby virtual machine /root/.ssh/authorized_keys in, and by authorized_keys's
Authority is revised as 600, by the step in the example, can set up from primary virtual machine to standby virtual machine
The first SSH without password login pattern.
Alternatively it is also possible to according to above-mentioned example, set up the 2nd SSH from standby virtual machine to primary virtual machine
Without password login pattern, it will not be repeated here.
S25：The NTP time servers of Host-only networks, and configuration NTP Time-Clients end are set.
Wherein, the number at NTP Time-Clients end is identical with the number of standby virtual machine.
This step can be as follows with example：
Yum install-y ntp can be performed in Vi command editors, NTP time servers are installed,
When configuring the NTP time servers of Intranet, text can be configured by Vi orders modification/etc/ntp.conf
Part, increases restrict 192.168.56.1 mask newly in/etc/ntp.conf configuration files
255.255.255.0nomodify notrap, represents to set the IP address section for accessing NTP time servers,
Mask etc..Further, in order line input echo " server 192.168.56.101 ">>
/ etc/ntp.conf, expression regard primary virtual machine as NTP time servers.
Alternatively, the NTP standard time servers on internet can also be set, and chosen distance user is nearest
NTP standard time servers.Present example is assumed to implement Cloud Server cluster, Ke Yi in Shanghai
The 3 NTP time servers nearest from Shanghai are configured in ntp.conf configuration files：
server 1.cn.pool.ntp.org；
server 3.asia.pool.ntp.org；
server 0.asia.pool.ntp.org。
Then, then ntp.conf configuration files are changed, be arranged on external time server it is unavailable when, enable
Local time server can increase herein below as time server in ntp.conf configuration files：
server 127.127.1.0 #local clock；
fudge 127.127.1.0 #startnum 10。
To ntp.conf configuration files after setting completed, it is possible to perform ntpdate-u
1.cn.pool.ntp.org, represents that force time server and standard NTP time servers are synchronous, then,
Service ntpd start orders are performed, that is, restart ntpd services.
Further, it is alternatively possible to be configured to NTP Time-Clients end.Example is as follows：
First, yum install-y ntp are performed on standby virtual machine NTP services is installed, then will
NTP service configuration is self-starting, by Vi orders modification/etc/ntp.conf configuration files, can be increased newly
Following content：
restrict 192.168.56.101 mask nomodify notrap；
server 192.168.56.101。
Wherein, order server 192.168.56.101 can set the IP of primary NTP time servers
Address, the IP address of the Cloud Server cluster NTP time servers is 192.168.56.101, is set up
Bi Hou, preserves ntp.conf configuration files.Finally, after modification is finished, ntpdate-u can be performed
192.168.56.101, that is, pass through ntpdate command forces NTP Time-Clients end and NTP time servers
Synchronous, restarting NTP Time-Clients end, to start NTP Time-Clients end synchronous with NTP time servers.
S26：Default High Availabitity application is installed on primary virtual machine and standby virtual machine, and to the height after installation
Useful application is configured.
In one embodiment, default High Availabitity application can be applied including Pacemaker, Corosync is applied,
Crmsh is applied, and DRBD applications.
In one embodiment, default High Availabitity application is installed on primary virtual machine and standby virtual machine, and it is right
High Availabitity application after installation is configured, can be as follows with example：
For example, performing order on primary virtual machine：yum install–y pacemaker corosync
crmsh drbd；Pacemaker applications, Corosync applications, Crmsh applications, and DRBD are being installed
After finishing, configuration Corosync applications can be first begin to, i.e., in path cd/etc/corosync
Under, order scp corosync.conf.example corosync.conf are performed, that is, replicate Corosync
The configuration file of application, for example can be as follows by the content of Vi command editors modification：
threads：1；
Wherein, threads is the thread started, and threads value represents to start predetermined number thread to enter
Row heartbeat message is transmitted, relatively many and during when main frame multinuclear in Cloud Server clustered node, can be started multiple
Thread is monitored, and 0 is default value, threads values can be revised as 1 by the present embodiment, that is, starts a line
Journey carries out heartbeat message transmission.
bindnetaddr：192.168.56.0；
Wherein, bindnetaddr is the IP address section of Cloud Server cluster monitoring, by the IP address of network interface card
Can be with gateway phase and, it can be deduced that the IP address in the network segment of primary virtual machine communication, the present embodiment
192.168.56.101, mask is 255.255.255.0, then with rear for 192.168.56.0.
to_logfile：yes；
Wherein, local daily record storage can be opened by to_logfile being set into yes.
logfile：/var/log/cluster/corosync.log；
Wherein it is possible to by setting logfile, the file directory for preserving local logfile be set, in reality
In the application scenarios of border ,/var/log/cluster catalogues have been present, and can create/var/log/cluster
Corosync.log files under catalogue.
to_syslog：yes；
Wherein, by to_syslog can set whether writing system daily record, if to_syslog set
Yes is set to, then/var/log/messages can be write with system journal.
Wherein, quorum represents to enable voting mechanism, it is assumed that initial voting mechanism needs at least 3 tickets, at this
In embodiment, main frame and standby host example are included with Cloud Server cluster, only 2 nodes then can be by the phase
Votes are hoped to be revised as 2.two_node：1, wherein, represent that Cloud Server cluster includes main frame and standby host 2
During individual node, it is only necessary to throw 1 ticket, primarily can be used for main frame.
Alternatively, authentication function can be used when Corosync is applied enabling, you can with to Corosync
Using generation key.For example, can be given on primary virtual machine using corosync-keygen orders
Corosync application generation key, can be stored in/etc/corosync/authkey by the key file of generation
In path, then corosync key file authkey and corosync configuration file transmitted to standby
With virtual machine /etc/corosync catalogues under, can then perform service corosync start and open
Dynamic corosync application services, after startup is finished, can detect whether corosync normally starts.
Wherein, DRBD applications are realized with software, without sharing, and mirror image block device content deposits between server
Storage replicates solution.For example, primary virtual machine and standby virtual machine can respectively separate a part of space to
DRBD is managed, and master can be worked as by DRBD applications automatic synchronization to standby host standby host by being changed when the data on main frame
During machine failure, operation can be written and read to identical data on standby host.
In one embodiment, the service of DRBD applications can be pre-defined and create, can be as follows with example：
Input to order in Vi command editors：
Wherein, protocol C represent to use agreement C, agreement C to represent that the write-in for receiving distance host confirms
Afterwards, then it is assumed that write-in is completed.address 192.168.56.101:7898 represent to set what DRBD was applied
Listening port, for being communicated with another virtual machine.address 192.168.56.102:7898 tables
Show another listening port for setting DRBD to apply, for being communicated with another virtual machine.
Alternatively it is also possible to create subregion required during DRBD application synchrodatas, main frame and standby host are deposited
Store up space consistent, can input to order in Vi command editors：
fdisk/dev/sdc；
drbdadm create-md mysql；
service drbd start。
And, it is the host node that DRBD is applied that can set primary virtual machine, only on primary virtual machine
Input to issue orders in Vi command editors：
drbdadm--overwrite-data-of-peer primary mysql。
, can be to be inputted in Vi command editors to issue orders alternatively it is also possible to establishment file system：
mkfs-t ext4/dev/drbd0。
S27：The default monitoring script of addition, default monitoring script is used for the service for describing default High Availabitity application.
Wherein, preset and start functions, stop functions are included in monitoring script, and monitor functions.
In one embodiment, the default monitoring script of addition can example as follows：
The service of Pacemaker applications mainly has two classes, i.e. LSB services and OCF services, wherein, LSB
Service as Linux standards services, be typically/etc/init.d catalogues under script.Pacemaker applications can
To be serviced with LSB come start and stop service.And OCF services are the extensions serviced LSB, High Availabitity collection is added
The services such as the function such as failure monitoring of group's management.In the embodiment of the present invention, by realizing that OCF services can be right
Cloud management system service carries out High Availabitity guarantee.
It is alternatively possible to add default monitoring script, the default monitoring script is OCF service scripts, OCF
Service script is executable file, wherein, preset and start functions, stop functions included in monitoring script,
And monitor functions.
Alternatively, in start functions, Cloud Server cluster is started, and sets the time-out time to be
20s；In stop functions, Cloud Server cluster can be stopped, and set time-out time to be 20s；
In monitor functions, Cloud Server cluster can be monitored, and set time-out time to be 10s,
Interval time is 5s.
Alternatively, in OCF service scripts, metadata functions can be write, metadata is being performed
After function, when inputting meta-data orders at Vi commard editors interface, the data of xml forms can be exported,
The data of the xml forms are the metamessage that OCF is serviced.The explanation of each OCF services, parameter definition, life
Order definition is all illustrated that the time-out time that can then configure metadata is 5s by the data of xml forms.
Alternatively, in OCF service scripts, validate-all can also be defined, that is, detects the conjunction of parameter
Method, the validate-all of configuration time-out time is 5s.
S28：Start the service of default High Availabitity application, to perform default monitoring script, and Floating IP address be set,
Connected with the High Availabitity for setting up Cloud Server cluster.
In one embodiment, start the service of default High Availabitity application, to perform default monitoring script, and set
Floating IP address is put, can be as follows with example with the High Availabitity connection for setting up Cloud Server cluster：
For example, the IP address of primary virtual machine is 192.168.56.101, the IP address of standby virtual machine is
192.168.56.102, floating IP address is that virtual ip address is 192.168.56.254.
By the Vi commard editors pattern switching of primary virtual machine and standby virtual machine to crm order line edit patterns
Under, use following order：
configure primitive vip ocf:heartbeat:IPaddr2\；
Params ip=192.168.56.254；
Nic=eth0；
Cidr_netmask=24；
Op start timeout=20s interval=0s on-fail=stop；
Op monitor timeout=20s interval=10s on-fail=restart；
Op stop timeout=20s interval=0s on-fail=block；
verify；
commit；
It is alternatively possible to create Cloud Server cluster service, and set the startup of Cloud Server cluster, stopping,
The time-out time of monitoring.In the embodiment of the present invention, if the Cloud Server cluster on primary virtual machine is abnormal,
It can be monitored by the monitor in OCF service scripts, the operation specified when then being created according to user, certainly
Surely be host-initiated several times after, then be switched to standby host, be also directly switched to standby host.
In the present embodiment, it can realize and be loaded directly into preprepared VDI files, without virtual at every
Operating system is reinstalled on machine, as long as First machine installs the operating system that needs to use, then other
Need to use the empty machine of this operating system to be loaded directly into, effectively reduce the time of installation and deployment.Pass through
Main frame and standby host realize virtualization, it is possible to achieve the physical resource flexible dispatching of Cloud Server cluster, cross-domain common
Enjoy, improve the utilization rate of resource.By setting up virtual Host-only networks, independent IP can be set,
Network service can be carried out with main frame, other virtual machines, realize primary virtual machine and standby virtual machine is only accounted for
With an external IP address, internal network all distributes IP address of internal network using DHCP, in Cloud Server collection
Group's Expansion, can greatly save IP resources, meanwhile, externally only using an IP address, when cloud clothes
During device cluster generation failure of being engaged in, user is lifted and used without changing the IP address accessed when main frame and standby host switching
The usage experience at family.In addition, the default monitoring script of addition, default monitoring script is Cloud Server cluster management
Member's self-defined driver write, Cloud Server cluster is started by the default monitoring script of self-defined driver write,
Monitoring, stopping, can carrying out intelligence, control efficiently, safe to the monitoring of Cloud Server cluster.Pass through
The primary virtual machine of Cloud Server cluster and the two-shipper mutual confidence-building mechanism of standby virtual machine are configured, installing default height can
With application, and the High Availabitity application after installation is configured, and the default monitoring script of addition, preset prison
Control script is used for the service for describing default High Availabitity application, starts the service of default High Availabitity application, to perform
Default monitoring script, and Floating IP address is set, connected with the High Availabitity for setting up Cloud Server cluster, can be effective
Ensure the high availability of Cloud Server cluster.
Fig. 3 is the knot for the device that the Cloud Server cluster that another embodiment of the present invention is proposed sets up High Availabitity connection
Structure schematic diagram.Wherein, the Cloud Server cluster set up High Availabitity connection device can be arranged on Cloud Server
In cluster.
Referring to Fig. 3, the device 30 includes：Parsing module 301, configuration module 302, add module 303,
And starting module 304.
Parsing module 301, for the primary virtual machine to Cloud Server cluster and standby virtual machine hosted name
Parsing, and configure two-shipper mutual confidence-building mechanism.
Alternatively, parsing module 301 is additionally operable to：Set up the first SSH from primary virtual machine to standby virtual machine
Without password login pattern；And twoth SSH of the foundation from standby virtual machine to primary virtual machine is without password login
Pattern.
Configuration module 302, for installing default High Availabitity application on primary virtual machine and standby virtual machine,
And the High Availabitity application after installation is configured.
Add module 303, for adding default monitoring script, default monitoring script can for describing default height
With the service of application.
Wherein, preset and start functions, stop functions are included in monitoring script, and monitor functions.
Starting module 304, the service for starting default High Availabitity application, to perform default monitoring script,
And Floating IP address is set, connected with the High Availabitity for setting up Cloud Server cluster.
Alternatively, referring to Fig. 4, the device 30 also includes：
Module 305 is installed, for installing the first virtual machine on the main frame of Cloud Server cluster, as primary
Virtual machine, and the second virtual machine is installed on the standby host of Cloud Server cluster, it is used as standby virtual machine.
Module 306 is set up, for setting up virtual Host-only networks, and by virtual Host-only networks
On carry to primary virtual machine and standby virtual machine.
Setup module 307, the NTP time servers for setting Host-only networks, and configuration NTP
Time-Client end.
Wherein, the number at NTP Time-Clients end is identical with the number of standby virtual machine.
Opening module 308, the virtualization for opening Cloud Server cluster.
It should be noted that the explanation of the foregoing embodiment of the method that High Availabitity connection is set up to Cloud Server cluster
Illustrate that the Cloud Server cluster for being also applied for the embodiment sets up the device 30 of High Availabitity connection, its realization principle
Similar, here is omitted.
In the present embodiment, by configure Cloud Server cluster primary virtual machine and standby virtual machine two-shipper it is mutual
Letter mechanism, installs default High Availabitity application, and the High Availabitity application after installation is configured, and addition
Default monitoring script, default monitoring script is used for the service for describing default High Availabitity application, and starting default height can
With the service of application, to perform default monitoring script, and Floating IP address is set, to set up Cloud Server cluster
High Availabitity is connected, and can effectively ensure the high availability of Cloud Server cluster.
It should be noted that in the description of the invention, term " first ", " second " etc. are only used for retouching
Purpose is stated, and it is not intended that indicating or implying relative importance.In addition, in the description of the invention, removing
Non- to be otherwise noted, " multiple " are meant that two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, table
Show including it is one or more be used for realize specific logical function or process the step of executable instruction code
Module, fragment or part, and the preferred embodiment of the present invention scope include other realization, its
In can not by order that is shown or discussing, including according to involved function by it is basic and meanwhile in the way of or
In the opposite order, perform function is carried out, this should be by embodiments of the invention person of ordinary skill in the field
Understood.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.
In the above-described embodiment, multiple steps or method can in memory and by suitable instruction be held with storage
The software or firmware that row system is performed are realized.If for example, realized with hardware, and in another embodiment party
It is the same in formula, it can be realized with any one of following technology well known in the art or their combination：Have
For the discrete logic for the logic gates that logic function is realized to data-signal, with suitable combination
The application specific integrated circuit of logic gates, programmable gate array (PGA), field programmable gate array (FPGA)
Deng.
Those skilled in the art are appreciated that to realize the whole or portion that above-described embodiment method is carried
It can be by program step by step to instruct the hardware of correlation to complete, described program can be stored in a kind of meter
In calculation machine readable storage medium storing program for executing, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing module,
Can also be that unit is individually physically present, can also two or more units be integrated in a module
In.Above-mentioned integrated module can both be realized in the form of hardware, it would however also be possible to employ software function module
Form is realized.If the integrated module is realized using in the form of software function module and is used as independent product
Sale in use, can also be stored in a computer read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ",
The description of " specific example " or " some examples " etc. means to combine the specific spy that the embodiment or example are described
Levy, structure, material or feature are contained at least one embodiment of the present invention or example.In this explanation
In book, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, retouching
Specific features, structure, material or the feature stated can be in any one or more embodiments or example
Combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment
It is exemplary, it is impossible to be interpreted as limitation of the present invention, one of ordinary skill in the art is the present invention's
In the range of above-described embodiment can be changed, change, replace and modification.
Claims (16)
1. a kind of method that Cloud Server cluster sets up High Availabitity connection, it is characterised in that comprise the following steps：
Primary virtual machine and the name parsing of standby virtual machine hosted to Cloud Server cluster, and it is mutual to configure two-shipper
Letter mechanism；
Default High Availabitity application is installed on the primary virtual machine and the standby virtual machine, and to installation after
High Availabitity application configured；
The default monitoring script of addition, the default monitoring script is used for the clothes for describing the default High Availabitity application
Business；
Start the service of the default High Availabitity application, to perform the default monitoring script, and floating is set
IP, is connected with the High Availabitity for setting up the Cloud Server cluster.
2. the method that Cloud Server cluster as claimed in claim 1 sets up High Availabitity connection, it is characterised in that
In the primary virtual machine to Cloud Server cluster and the name parsing of standby virtual machine hosted, and configure two-shipper
Before mutual confidence-building mechanism, in addition to：
The first virtual machine is installed on the main frame of the Cloud Server cluster, as the primary virtual machine, with
And the second virtual machine is installed on the standby host of the Cloud Server cluster, it is used as the standby virtual machine.
3. the method that Cloud Server cluster as claimed in claim 1 sets up High Availabitity connection, it is characterised in that
Also include：
Set up virtual Host-only networks, and by the virtual Host-only networks carry to described primary
On virtual machine and the standby virtual machine.
4. the method that Cloud Server cluster as claimed in claim 3 sets up High Availabitity connection, it is characterised in that
Also include：
The NTP time servers of the Host-only networks, and configuration NTP Time-Clients end are set.
5. the method that Cloud Server cluster as claimed in claim 4 sets up High Availabitity connection, it is characterised in that
The number at the NTP Time-Clients end is identical with the number of the standby virtual machine.
6. the method that Cloud Server cluster as claimed in claim 1 sets up High Availabitity connection, it is characterised in that
The configuration two-shipper mutual confidence-building mechanism, including：
Set up from the primary virtual machine to the first SSH of the standby virtual machine without password login pattern；With
And
Set up from the standby virtual machine to the 2nd SSH of the primary virtual machine without password login pattern.
7. the method that the Cloud Server cluster as described in claim 2 or 5 or 6 sets up High Availabitity connection, its
It is characterised by, start functions, stop functions, and monitor letters is included in the default monitoring script
Number.
8. the method that the Cloud Server cluster as described in claim any one of 1-7 sets up High Availabitity connection, its
It is characterised by, in the primary virtual machine to Cloud Server cluster and the name parsing of standby virtual machine hosted,
And before configuring two-shipper mutual confidence-building mechanism, in addition to：
Open the virtualization of the Cloud Server cluster.
9. a kind of Cloud Server cluster sets up the device of High Availabitity connection, it is characterised in that including：
Parsing module, for the primary virtual machine to Cloud Server cluster and the name parsing of standby virtual machine hosted,
And configure two-shipper mutual confidence-building mechanism；
Configuration module, should for installing default High Availabitity on the primary virtual machine and the standby virtual machine
With, and the High Availabitity application after installation is configured；
Add module, for adding default monitoring script, the default monitoring script is used to describe described default
The service of High Availabitity application；
Starting module, the service for starting the default High Availabitity application, to perform the default monitoring pin
This, and Floating IP address is set, connected with the High Availabitity for setting up the Cloud Server cluster.
10. Cloud Server cluster as claimed in claim 9 sets up the device of High Availabitity connection, its feature exists
In, in addition to：
Module is installed, for installing the first virtual machine on the main frame of the Cloud Server cluster, as described
Primary virtual machine, and the second virtual machine is installed on the standby host of the Cloud Server cluster, as described standby
Use virtual machine.
11. Cloud Server cluster as claimed in claim 9 sets up the device of High Availabitity connection, its feature exists
In, in addition to：
Module is set up, for setting up virtual Host-only networks, and by the virtual Host-only networks
On carry to the primary virtual machine and the standby virtual machine.
12. Cloud Server cluster as claimed in claim 11 sets up the device of High Availabitity connection, its feature exists
In, in addition to：
Setup module, the NTP time servers for setting the Host-only networks, and configuration NTP
Time-Client end.
13. Cloud Server cluster as claimed in claim 12 sets up the device of High Availabitity connection, its feature exists
In the number at the NTP Time-Clients end is identical with the number of the standby virtual machine.
14. Cloud Server cluster as claimed in claim 9 sets up the device of High Availabitity connection, its feature exists
In the parsing module is additionally operable to：
Set up from the primary virtual machine to the first SSH of the standby virtual machine without password login pattern；With
And
Set up from the standby virtual machine to the 2nd SSH of the primary virtual machine without password login pattern.
15. the Cloud Server cluster as described in claim 10 or 13 or 14 sets up the device of High Availabitity connection,
Characterized in that, start functions, stop functions are included in the default monitoring script, and monitor
Function.
16. the Cloud Server cluster as described in claim any one of 9-15 sets up the device of High Availabitity connection,
Characterized in that, also including：
Opening module, the virtualization for opening the Cloud Server cluster.
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| CN201610163739.3A CN107222320A (en) | 2016-03-22 | 2016-03-22 | The method and apparatus that Cloud Server cluster sets up High Availabitity connection |
| PCT/CN2017/077738 WO2017162173A1 (en) | 2016-03-22 | 2017-03-22 | Method and device for establishing connection of cloud server cluster |
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