CN102497288A - Dual-server backup method and dual system implementation device - Google Patents
Dual-server backup method and dual system implementation device Download PDFInfo
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Abstract
The embodiment of the invention provides a dual-server backup method and a dual system implementation device, and relates to the field of communication. The high reliability of a service is ensured, and simultaneously, the utilization rate of dual system resources is increased. The dual-server backup method comprises the following steps of: constructing and monitoring a first virtual node in an active state; and when the first virtual node is required to be switched from the active state into a standby state, setting a second constructed virtual node into the active state, wherein the first and second virtual nodes are both virtual nodes integrating virtual resources, and have the same virtual resource configuration. The embodiment of the invention is used for dual-server backup.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of dual-host backup method and dual systems implement device.
Background technology
In the commercial application of enterprise, in order to guarantee professional high reliability, most of enterprises all adopt the dual-host backup technology to come the full-time uninterrupted running of supporting business.
So-called dual-host backup technology typically refers to a node and is used for bearer service, and another node only exists as backup node.When the node of bearer service broke down, backup node can be professional at certain control strategy lower linking tube, thereby realize professional seamless switching, guaranteed professional high reliability.
The dual-host backup method that is adopted at present typically uses two machines respectively as two nodes, and under the cooperation of two-shipper management software, forms a dual systems.Dual systems determines that according to the corresponding strategy that starts wherein a machine carries out service bearer by the two-shipper management software, and this machine is used node as main that another then is a secondary node in system starting process.When the master of bearer service breaks down with node; The two-shipper management software then switches to business on the secondary node according to corresponding switchover policy; At this moment, secondary node will carry out service bearer with node as main, and the master will carry out service backup as secondary node with node.
The weak point of existing dual systems is that common the requirement physically of two machines that constitutes dual systems is reciprocity, promptly disposes identical.Such as, when a certain machine had two PCI-Express, another machine also should have two PCI-Express.Thereby caused resource, like the waste of central processing unit (CPU:Central Processing Unit), internal memory, network interface card, memory device etc.
Summary of the invention
Embodiments of the invention provide a kind of dual-host backup method and dual systems implement device, when guaranteeing professional high reliability, have improved the utilance of dual systems resource.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the invention provides a kind of dual-host backup method on the one hand, may further comprise the steps:
Construct first dummy node, said first dummy node is set to the main state of using.
Monitor said first dummy node, when definite said first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using.
Wherein, said first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of said first dummy node and second dummy node is identical.
The embodiment of the invention provides a kind of dual systems implement device on the other hand, comprising:
The first dummy node structural unit is used to construct first dummy node, and said first dummy node is set to the main state of using.
The second dummy node structural unit is used to construct second dummy node, and said second dummy node is set to stand-by state.
The dummy node switch unit is used to monitor said first dummy node, and when definite said first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using.
Wherein, said first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of said first dummy node and second dummy node is identical.
A kind of dual-host backup method and dual systems implement device that the embodiment of the invention provides; Wherein, Two nodes that are used for bearer service and backup traffic have been the virtual node of virtual resource integrated, and these virtual resources can be from different physical hosts.So, only need the virtual resource distribution of two nodes identical, and provide the configuration of the physical host of resource not need identical to constitute dummy node.Thereby avoided the waste of physical host resource, when guaranteeing professional high reliability, improved the utilance of dual systems resource.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of a kind of dual-host backup method that Fig. 1 provides for the embodiment of the invention;
The signaling process sketch map of another dual-host backup method that Fig. 2 provides for the embodiment of the invention;
The signaling process sketch map of another dual-host backup method that Fig. 3 provides for the embodiment of the invention;
The structural representation of a kind of dual systems implement device that Fig. 4 provides for the embodiment of the invention;
The structural representation of another dual systems implement device that Fig. 5 provides for the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
A kind of dual-host backup method that the embodiment of the invention provides, as shown in Figure 1, may further comprise the steps:
S101, dual systems implement device are constructed first dummy node, and this first dummy node is set to the main state of using.
S102, dual systems implement device are monitored first dummy node, and when definite this first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using.
Wherein, first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of this first dummy node and second dummy node is identical.
A kind of dual-host backup method that the embodiment of the invention provides, wherein, two nodes that are used for bearer service and backup traffic have been the virtual node of virtual resource integrated, and these virtual resources can be from different physical hosts.So, only need the virtual resource distribution of two nodes identical, and provide the configuration of the physical host of resource not need identical to constitute dummy node.Thereby avoided the waste of physical host resource, when guaranteeing professional high reliability, improved the utilance of dual systems resource.
Another dual-host backup method that the embodiment of the invention provides is that example describes with the dual-host backup of short message, and is as shown in Figure 2, may further comprise the steps:
S201, dual systems implement device are constructed first dummy node, and this first dummy node is set to the main state of using.
Concrete, construct first dummy node and can comprise structure first dummy node, and this first dummy node is carried out system initialization.
The dual systems implement device will carry out virtual from the basic resources (comprising CPU, internal memory, network interface card, memory device etc.) of different physical hosts, form virtual resource.Virtual resource can comprise Microsoft Loopback Adapter, Virtual File System, virtual memory, virtual cpu and virtual power supply etc.The virtual resources integration that the dual systems implement device will form, and to the needs of practical business, the deployment of complete operation systems soft ware and related service software (like the sms center executable program), thus virtualized first dummy node formed.Virtual node has been meant the node of virtual resource integrated, and virtual node can not be the physical machine of necessary being.
S202, dual systems implement device are constructed second dummy node, and this second dummy node is set to stand-by state.
Concrete, construct second dummy node and can comprise structure second dummy node, and this second dummy node is carried out system initialization.
Need to prove that node is in the master and is meant that with state this node is used for bearer service, node is in stand-by state and is meant that this node is the backup node as the bearer service node.Be in main identical with the virtual resource distribution of the node of state and the node that is in stand-by state.
S203, dual systems implement device are monitored first dummy node, and when definite this first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using.
Wherein, first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of this first dummy node and second dummy node is identical.
Concrete; The dual systems implement device can be monitored the service resources of first dummy node; When this service resources breaks down; Can this first dummy node be switched to stand-by state according to preset switchover policy or the switching command that receives, maybe the virtual resource with this first dummy node directly discharges.Second dummy node of structure is set to the master and uses state, accomplishes active and standby switching.
For example, the monitoring of dual systems implement device is in main first dummy node with state, when receiving active and standby switching notice, this first dummy node is switched to stand-by state, and maybe the virtual resource with this first dummy node directly discharges.Wherein, active and standby switching notice can provide based on staff's manual operation.
Again for example, the monitoring of dual systems implement device is in the service resources of master with first dummy node of state, when the service resources of first dummy node breaks down, judges whether that according to preset active and standby switchover policy needs carry out active and standby switching.If need, then the dual systems implement device switches to stand-by state with this first node, and maybe the virtual resource with this first dummy node directly discharges; If do not need, then the dual systems implement device is not done any processing.
Exemplary, in the actual treatment short message service, service resources can comprise one or more in unsteady Internet protocol (IP:Internet Protocol) address, business process running status, database and the shared magnetic battle array.Wherein, floating IP address is mainly used in sms center service externally is provided; Dummy node through the record traffic running state of process in real time the monitoring business process in running, whether break down; For example at dummy node during as short message service center, the business process running status can comprise the sms center running state of process; Database is mainly used in to be managed data such as short message history libraries; Share the magnetic battle array and be mainly used in the dsc data of sharing short message.Preset active and standby switchover policy can be artificial the setting, for example, judges the sms center process of first dummy node when the dual systems implement device and take place when unusual that the dual systems implement device notifies first dummy node to discharge virtual resource.
The dual-host backup method signaling process that the embodiment of the invention provides is as shown in Figure 2.Wherein, the dual systems implement device can comprise the first dummy node structural unit, the second dummy node structural unit and dummy node switch unit.In the dual-host backup method that the embodiment of the invention provides, the first dummy node structural unit can be the identical virtualization software program that can accomplish the constructing virtual nodal function with the second dummy node structural unit.Same, the dummy node switch unit also can be the two-shipper management software program that can accomplish the node handoff functionality.The executive agent of this virtualization software program and two-shipper management software program can be above-mentioned first dummy node and/or second dummy node.
A kind of dual-host backup method that the embodiment of the invention provides, wherein, two nodes that are used for bearer service and backup traffic have been the virtual node of virtual resource integrated, and these virtual resources maybe be from different physical hosts.So, only need the virtual resource distribution of two nodes identical, and provide the configuration of the physical host of resource not need identical to constitute dummy node.Thereby avoided the waste of physical host resource, when guaranteeing professional high reliability, improved the utilance of dual systems resource.
Another dual-host backup method that the embodiment of the invention provides, the dual-host backup with short message is that example describes equally, and is as shown in Figure 3, may further comprise the steps:
S301, dual systems implement device are constructed first dummy node, and this first dummy node is set to the main state of using.
Concrete, construct first dummy node and can comprise structure first dummy node, and this first dummy node is carried out system initialization.
S302, dual systems implement device are monitored first dummy node, when definite this first dummy node need carry out active and standby switching, write down the current configuration data of first dummy node.
Concrete, when definite this first dummy node need carry out active and standby switching, the current configuration data of shared medium recording first dummy node in the dual systems implement device.
For example, in the actual treatment short message service, shared medium can be the shared magnetic battle array in the service resources, also can be other construction units that can between first node and Section Point, accomplish data sharing.
S303, dual systems implement device are constructed second dummy node.
Concrete, construct second dummy node and can comprise structure second dummy node, and this second dummy node is carried out system initialization.
S304, dual systems implement device send to second dummy node with the current configuration data of first dummy node.
Concrete; Be released or switched to stand-by state at first dummy node; And second dummy node is accomplished in the main time range with the switching preparation as yet, and first dummy node can upgrade the relevant current configuration data that may influence service operation synchronously and be recorded in and share in the medium.After second dummy node was ready, second dummy node can get access to the current configuration data that first dummy node upgrades synchronously from this shared medium.So, first dummy node and second dummy node have reached professional seamless switching, thereby the business that guaranteed still can normally be carried out after switching.
S305, this second dummy node of dual systems implement device are set to the main state of using.
Wherein, first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of this first dummy node and second dummy node is identical.
The dual-host backup method signaling process that the embodiment of the invention provides is as shown in Figure 3.Wherein, the dual systems implement device can comprise the first dummy node structural unit, the second dummy node structural unit, dummy node switch unit and shared medium.In the dual-host backup method that the embodiment of the invention provides, the first dummy node structural unit can be the identical virtualization software program that can accomplish the constructing virtual nodal function with the second dummy node structural unit.Same, the dummy node switch unit also can be the two-shipper management software program that can accomplish the node handoff functionality.Shared medium can be the shared magnetic battle array in the service resources, also can be other construction units that can between first node and Section Point, accomplish data sharing.The executive agent of this virtualization software program and two-shipper management software program can be above-mentioned first dummy node and/or second dummy node.
A kind of dual-host backup method that the embodiment of the invention provides, wherein, two nodes that are used for bearer service and backup traffic have been the virtual node of virtual resource integrated, and these virtual resources maybe be from different physical hosts.So, only need the virtual resource distribution of two nodes identical, and provide the configuration of the physical host of resource not need identical to constitute dummy node.On the other hand, because before active and standby switching, subsequent use dummy node is not constructed as yet, has further avoided the waste of physical host resource, thereby when guaranteeing professional high reliability, improved the utilance of dual systems resource.
The dual systems implement device 40 that the embodiment of the invention provides, as shown in Figure 4, comprise.
The first dummy node structural unit 401 is used to construct first dummy node, and this first dummy node is set to the main state of using.
The second dummy node structural unit 402 is used to construct second dummy node.
Dummy node switch unit 403 is used to monitor first dummy node, and when definite this first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using.
Wherein, first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of this first dummy node and second dummy node is identical.
A kind of dual systems implement device that the embodiment of the invention provides, wherein, two nodes that are used for bearer service and backup traffic have been the virtual node of virtual resource integrated, and these virtual resources maybe be from different physical hosts.So, only need the virtual resource distribution of two nodes identical, and provide the configuration of the physical host of resource not need identical to constitute dummy node.Thereby avoided the waste of physical host resource, when guaranteeing professional high reliability, improved the utilance of dual systems resource.
Concrete, Section Point structural unit 402 specifically is used for before dummy node switch unit 403 confirms that first dummy node need carry out active and standby switching, construct second dummy node, and second dummy node of constructing being set to stand-by state.
Or after dummy node switch unit 403 confirms that first dummy node need carry out active and standby switching, construct second dummy node.
Further, as shown in Figure 5, dummy node switch unit 403 can also comprise:
Concrete; The monitoring module 4031 of dummy node switch unit 403 can be monitored the service resources of first dummy node; When this service resources breaks down; Handle handover module 4032 and can this first dummy node be switched to stand-by state according to preset switchover policy or the switching command that receives, second dummy node of structure is set to the main state of using.
For example; Monitoring module 4031 monitoring of dummy node switch unit 403 are in main first dummy node with state; When processing handover module 4032 is received active and standby switching notice, this first dummy node is switched to stand-by state, second dummy node of structure is set to the main state of using.Wherein, active and standby switching notice can provide based on staff's manual operation, and the staff can initiatively trigger the active and standby change action of processing handover module 4032 beginnings of dummy node switch unit 403.
Again for example; Monitoring module 4031 monitoring of dummy node switch unit 403 are in the service resources of master with first dummy node of state; When the service resources of first dummy node breaks down, handle handover module 4032 and judge whether that according to preset active and standby switchover policy needs carry out active and standby switching.If need, then to handle handover module 4032 this first dummy node is switched to stand-by state, second dummy node of structure is set to the main state of using; If do not need, then handle handover module 4032 and do not do any processing.
Exemplary, in the actual treatment short message service, service resources can comprise one or more in floating IP address, business process running status, database and the shared magnetic battle array.Wherein, floating IP address is mainly used in sms center service externally is provided; Dummy node through the record traffic running state of process in real time the monitoring business process in running, whether break down, can comprise the sms center running state of process in the business process running status; Database is mainly used in to be managed data such as short message history libraries; Share the magnetic battle array and be mainly used in the dsc data of sharing short message.Preset active and standby switchover policy can be artificial the setting, for example, judges the sms center process of first dummy node when the dual systems implement device and take place when unusual that the dual systems implement device notifies first dummy node to discharge virtual resource.
Further, as shown in Figure 5, dual systems implement device 40 can also comprise:
For example, in the actual treatment short message service, sharing medium 404 can be the shared magnetic battle array in the service resources, also can be other construction units that can between first dummy node and second dummy node, accomplish data sharing.
A kind of dual systems implement device that the embodiment of the invention provides, wherein, two nodes that are used for bearer service and backup traffic have been the virtual node of virtual resource integrated, and these virtual resources maybe be from different physical hosts.So, only need the virtual resource distribution of two nodes identical, and provide the configuration of the physical host of resource not need identical to constitute dummy node.On the other hand, because before active and standby switching, subsequent use dummy node is not constructed as yet, has further avoided the waste of physical host resource, thereby when guaranteeing professional high reliability, improved the utilance of dual systems resource.
Need to prove that in the dual systems implement device that the embodiment of the invention provides, first node structural unit and Section Point structural unit can be the same virtualization software programs that can accomplish the constructing virtual nodal function.Same, first node switch unit and Section Point switch unit also can be the same two-shipper management software program that can accomplish the node handoff functionality.The executive agent of this virtualization software program and two-shipper management software program can be known main frame.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of said claim.
Claims (10)
1. a dual-host backup method is characterized in that, may further comprise the steps:
Construct first dummy node, said first dummy node is set to the main state of using;
Monitor said first dummy node, when definite said first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using;
Wherein, said first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of said first dummy node and second dummy node is identical.
2. method according to claim 1 is characterized in that, before definite said first node need carry out active and standby switching, constructs second dummy node, and said second dummy node is set to stand-by state.
3. method according to claim 1 is characterized in that, second dummy node of structure is set to the master and comprises with state:
Write down the current configuration data of said first dummy node;
Construct second dummy node, the current configuration data of said first dummy node is sent to said second dummy node;
Said second dummy node is set to the main state of using.
4. method according to claim 1 is characterized in that, monitors said first dummy node, and when definite said first dummy node need carry out active and standby switching, second dummy node of structure was set to the master and comprises with state:
Monitor the service resources of said first dummy node; When said service resources breaks down; According to preset switchover policy or the switching command that receives, said first dummy node is switched to stand-by state, second dummy node of structure is set to the main state of using.
5. method according to claim 4 is characterized in that, said service resources comprises: one or more in float internet protocol address, business process running status, database and the shared magnetic battle array.
6. method according to claim 1 is characterized in that, the virtualized resources of said first dummy node is drawn together: one or more in Microsoft Loopback Adapter, Virtual File System, virtual memory, virtual central processing unit and the virtual power supply;
The virtualized resources of said second dummy node is drawn together: one or more in Microsoft Loopback Adapter, Virtual File System, virtual memory, virtual cpu and the virtual power supply.
7. a dual systems implement device is characterized in that, comprising:
The first dummy node structural unit is used to construct first dummy node, and said first dummy node is set to the main state of using;
The second dummy node structural unit is used to construct second dummy node;
The dummy node switch unit is used to monitor said first dummy node, and when definite said first dummy node need carry out active and standby switching, second dummy node of structure was set to the main state of using;
Wherein, said first dummy node and second dummy node have been the virtual node of virtual resource integrated, and the virtual resource distribution of said first dummy node and second dummy node is identical.
8. dual systems implement device as claimed in claim 7; It is characterized in that; The said second dummy node structural unit; Specifically be used for before said dummy node switch unit confirms that said first dummy node need carry out active and standby switching, construct second dummy node, and second dummy node of constructing being set to stand-by state;
Or
After said dummy node switch unit confirms that said first dummy node need carry out active and standby switching, construct second dummy node.
9. according to claim 7 or 8 described dual systems implement devices, it is characterized in that said dummy node switch unit comprises:
Monitoring module is used to monitor the service resources of said first dummy node;
Handle handover module, be used for when said service resources breaks down, according to preset switchover policy or the switching command that receives, said first dummy node is switched to stand-by state, second dummy node of structure is set to the main state of using.
10. according to the arbitrary described dual systems implement device of claim 7 to 9, it is characterized in that said dual systems implement device also comprises:
Share medium, be used to write down the current configuration data of said first dummy node;
Said dummy node switch unit also is used for the current configuration data of first dummy node of said shared medium recording is sent to said second dummy node.
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