CN107342902A - A kind of link reconfiguration method and system of four controls server - Google Patents
A kind of link reconfiguration method and system of four controls server Download PDFInfo
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- CN107342902A CN107342902A CN201710575638.1A CN201710575638A CN107342902A CN 107342902 A CN107342902 A CN 107342902A CN 201710575638 A CN201710575638 A CN 201710575638A CN 107342902 A CN107342902 A CN 107342902A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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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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Abstract
This application discloses the link reconfiguration method of a kind of four control servers, link be present between the four controls server any two control node, including:Original state is set；Wherein, fiveth link and sixth link of the original state between two groups of alternate control nodes are in disarmed state, and remaining four links are in effective status；When detecting any control node failure, enable in the 5th link and the 6th link with the disjunct link of failed controlling node；When detecting that the failed controlling node recovers normal, whole link-recovery to the original state.By this link reconfiguration method, the time that selection when control node breaks down determines the adapter of other control nodes is shortened, efficiency is improved, reduces complexity.Present invention also provides the link reconfiguration system of a kind of four control servers, there is above-mentioned beneficial effect.
Description
Technical field
The application is related to storage server field, more particularly to a kind of link reconfiguration method and system of four controls server.
Background technology
As storage server traditional at present mainly has three kinds：Single control, dual control and four controls.A single control i.e. only control
Device handles I/O traffic, and when controller breaks down, I/O traffic stream will interrupt；Dual control includes two controllers, two controls
Device can be parallel processing I/O traffic stream, it is allowed to one of control node breaks down without influenceing normal business operation；
Four controls include four controllers, the processing I/O Business Streams that four controllers can be parallel, it is allowed to which event occur in drunk three controllers
Barrier is without influenceing normal business.Four control compared with the efficiency of single control and dual control with higher fault-tolerance and Geng Gao, therefore high-end business
Device system is general all to be occurred with four controls.
Four control servers are all relatively more multiple in hardware connection mode and software communication mode to realize its parallel processing effect
It is miscellaneous.Any two has link connection between needing four controllers in hardware connection, can be direct between such any two points
Link is gone together.Four control node states to be consistent on software, can carry out State Transferring, also have between each other certain
Communication mechanism communicated.
The content of the invention
The purpose of the application is to provide a kind of link reconfiguration method and system of four controls server, and solution goes out in the prior art
Need to select and determine that other control nodes go adapter business or remaining three control node wholes during existing failed controlling node
The challenge that taking over fault control node is brought, improves efficiency, reduces complexity.
In order to solve the above technical problems, the application provides a kind of link reconfiguration method of four controls server, technical scheme is such as
Under：
Original state is set；Wherein, the original state is the 5th link between two groups of alternate control nodes and the
Six links are in disarmed state, and remaining four links are in effective status；
When detecting any control node failure, enable in the 5th link and the 6th link with failure
The disjunct link of control node；
When detecting that the failed controlling node recovers normal, whole link-recovery to the original state.
Wherein, it is described to enable in the 5th link and the 6th link with the disjunct link of failed controlling node, also wrap
Include：
Control node is set according to corresponding to setting rule determines the failed controlling node；
By the setting control node, the I/O business of the failed controlling node is taken over.
Wherein, the setting control node according to corresponding to setting rule determines the failed controlling node includes：
Adapter order, failure control described in the adapter order are formed according to the fixation slot number of each control node
Control node corresponding to the latter fixation slot number of the fixation slot number of node processed is the setting control node.
Wherein, the location mode of the data of the I/O business includes：
The control node caches the data and mirror image data of itself I/O business；Wherein, the mirror image data is described
The I/O business of control node corresponding to the previous fixed slot number of the fixation slot number of control node described in adapter order
Data.
Wherein, it is described when detecting any control node failure, in addition to：
Brushed under the mirror image data that the setting control node will cache in failed controlling node the latter control node
To disk, and cache the I/O business datums of the previous control node of failed controlling node described in the adapter order.
The application also provides a kind of link reconfiguration system of four controls server, the four control servers any two control section
Link be present between point, including：
Initial setup module, for setting original state；Wherein, the original state be two groups of alternate control nodes it
Between the 5th link and the 6th link be in disarmed state, remaining four links are in effective status；
Failure is met an urgent need module, for when detecting any control node failure, enabling the 5th link and institute
State in the 6th link with the disjunct link of failed controlling node；
State recovery module, for when detecting that the failed controlling node recovers normal, whole link-recovery to institute
State original state.
Wherein, the emergent module of the failure also includes：
Submodule is set, control node is set according to corresponding to setting rule determines the failed controlling node；
Adapter submodule, for by the setting control node, taking over the I/O business of the failed controlling node.
Wherein, the adapter submodule includes：
Adapter unit is circulated, it is described to connect for forming adapter order according to the fixation slot number of each control node
The latter of the fixation slot number of failed controlling node described in pipe order is fixed control node corresponding to slot number and set to be described
Determine control node.
Wherein, the system includes：
Data memory module, the data and mirror image data of itself I/O business are cached for the control node；Wherein,
The mirror image data is corresponding to the previous fixed slot number of the fixation slot number of control node described in the adapter order
The data of the I/O business of control node.
Wherein, the system also includes：
Brush module under data, it will delay for the setting control node in failed controlling node the latter control node
Disk is brushed under the mirror image data deposited, and caches the previous control section of failed controlling node described in the adapter order
The I/O business datums of point.
This application discloses the link reconfiguration method of a kind of four control servers, the four control servers any two control section
Link be present between point, including:Original state is set；Wherein, the original state is between two groups of alternate control nodes
5th link and the 6th link are in disarmed state, and remaining four links are in effective status；It is any described when detecting
During control node failure, enable in the 5th link and the 6th link with the disjunct link of failed controlling node；When
When detecting that the failed controlling node recovers normal, whole link-recovery to the original state.Pass through this link reconfiguration
Method, the time that selection when control node breaks down determines the adapter of other control nodes is shortened, efficiency is improved, reduces
Complexity.Present invention also provides the link reconfiguration system of a kind of four control servers, there is above-mentioned beneficial effect, it is no longer superfluous herein
State.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of application, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of link reconfiguration method flow diagram for four controls server that Fig. 1 is provided by the embodiment of the present application；
One kind four that Fig. 2 is provided by the embodiment of the present application controls server controls node connection diagram；
Fig. 3 is controlled server controls node I/O data image caching relations by one kind four that the embodiment of the present application provides and shown
It is intended to；
A kind of link reconfiguration system schematic for four controls server that Fig. 4 is provided by the embodiment of the present application.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belong to the scope of the application protection.
Embodiment one
Fig. 1 is refer to, Fig. 1 provides a kind of link reconfiguration method flow diagram of four controls server, institute for the embodiment of the present application
State between four control server any two control nodes and link be present, technical scheme is as follows：
S101：Original state is set；Wherein, the original state is the 5th link between two groups of alternate control nodes
Disarmed state is in the 6th link, remaining four links are in effective status；The invalid of link can be by shielding chain
The port on road is realized, is connected between link and control node by port, can be by shielding the port or wherein at its both ends
A port realizes the invalid of link.Certainly there can also be other methods for realizing link, the application is not limited thereto.
Referring to Fig. 2, the four controls server can be connection method as illustrated in the drawing.During original state, node1,
A circulation is formed between node2, node3, node4, node1 is connected with node2, and node2 is connected with node3, node3 and
Node4 is connected.But the link 6 between the link 5 and node2 and node4 between node1 and node3 is in original state
Invalid, only link 1 to link 4 is effective, ensures that two neighboring node being capable of proper communication.Wherein, link 1-6 can be with
It is PCIE links or other communication links.
S102：When detecting any control node failure, enable in the 5th link and the 6th link
With the disjunct link of failed controlling node；
When a control node breaks down, such as when damage or failure etc., i.e. cisco unity malfunction, the is at this moment enabled
In five links and the 6th link with the disjunct link of the failed controlling node.Fig. 2 is participated in, such as when node1 failures, at this moment
Enable and its disjunct link 5 so that a circulation is still formed between remaining node2, node3, node4, is now had
The link of effect is link 2, link 3, link 5.Likewise, during node2 failures, enable and cause with its disjunct link 6
A control node circulation is formed between node1, node3, node4.During remaining control node failure similarly.Can when enabling link
Realize that the unlatching of port causes the state of link-recovery proper communication to call script.
When two control node simultaneous faults, at this time there are two kinds of situations：A kind of is two adjacent control nodes, one
Kind is two alternate control nodes.When two adjacent control nodes break down simultaneously, for example, node1 in Fig. 2 and
During node2 simultaneous faults, now only surplus node3 and node4 is effective, and link therebetween is normal connection status.When
Alternate two control nodes break down simultaneously when, such as node1 and node3 in Fig. 2, now only link 5 and two
The control node node1 and node3 of failure are not attached to, therefore enable link 5 so that node2 is connected with node4.Work as node2
During with node4 simultaneous faults, link 6 is similarly enabled.
When two control nodes are not simultaneous faults, control and save according to said one in first control node failure
Handled during point failure, because being only left two effective control nodes during second failure, and according to above-mentioned processing method at
During reason, there should be link between two effective control nodes, without enabling other links.During three control node failures, only
Next control node normal work is remained, is now existed between control node without active link.
In addition, when link is recombinated, there can also be the operational adapters of I/O.Four control nodes in original state
By link communication, two neighboring control node being capable of proper communication.It can be set according to setting rule for each control node
Control node is set corresponding to one to be used to take over its business during failure.For example, first one can be circularly set to control node
Adapter order, such as the fixation slot number that can be had according to each control node identify the control node of each determination, and four
Individual control node fixes slot number according to it and forms a failure rear tube order, such as node2 adapters node1, node3 adapter
Node2, node4 adapter node3, node1 adapter node4, i.e., in adapter order after the fixation slot number of failed controlling node
One fixed control node corresponding to slot number is the setting control node.When failure control node, control below
Node processed takes over the I/O business of above control node.Can certainly there are other adapters order or adapter rule, the application to exist
This is not construed as limiting.
Further, the adapter to data can also be carried out.Each control node can preserve the data of current business, i.e.,
It is data cached.In order to avoid not playing the data cached loss of brush disk after failure also, a mirror image can be added or other are deposited
Storage instrument, it is data cached for preserving.The method that circulation mirror image can be used so that latter one control node preserves above one
The data cached mirror image of individual control node, imply that and refer to that each control node preserves the data of itself I/O business and previous
The data of the I/O business of control node.For example, with reference to accompanying drawing 3, node1 is when carrying out the caching of itself I/O business datum, meeting
Data cached mirror image portion is arrived into node2 (data1 in node2 in such as figure)；Node2 is carrying out the slow of itself I/O business datum
When depositing, data cached mirror image portion can be arrived node3 (data2 in node3 in such as figure)；Node3 is carrying out itself I/O business number
According to caching when, node4 (data3 in node4 in such as figure) can be arrived by data cached mirror image is a；Node4 is carrying out itself I/O
During the caching of business datum, data cached mirror image portion can be arrived node1 (data4 in node1 in such as figure).Four control nodes
Itself I/O business datum of control node mirror image rearwards successively, form a mirror image circulation.So each control node preserves
Two parts data cached.When one of control node failure, by the failed controlling node of control node preservation behind
Disk is brushed under data cached, ensures that data are not lost.Remaining three control nodes carry out link reconfiguration, and re-establish new
Mirror is cached, and caches the I/O business datums of the previous control node of failed controlling node in adapter order.Such as
During node1 failures, disk is brushed under what node2 can be preserved belong to node1 I/O business datums data1.Chain is carried out afterwards
Road recombinates, and enables the circulation that link 5 is established between node2, node3 and node4, now node2 no longer caches node1 data
It is changed to cache node1 previous control node i.e. node4 data namely data4.It is of course possible to have other circular orders and
Mirror image store method, such as preserve two neighboring control section as caching mirror image circular order or each control node counterclockwise
Point it is data cached etc., in the protection domain of the application.
S103：When detecting that the failed controlling node recovers normal, whole link-recovery to the original state.
Chain be present between the four controls server any two control node by setting original state in the embodiment of the present application
Road, fiveth link and sixth link of the original state between two groups of alternate control nodes are in disarmed state, remaining
Four the link is in effective status；When detecting any control node failure, the 5th link and the are enabled
In six links with the disjunct link of failed controlling node；When detecting that the failed controlling node recovers normal, whole chain
Road recovers to shorten adapter time when control node in four control servers breaks down to the original state, improves effect
Rate, reduce complexity.
Embodiment two
A kind of link reconfiguration system of the four controls server provided below the embodiment of the present application is introduced, and is described below
It is a kind of four control server link reconfiguration system with above it is a kind of four control server link reconfiguration methods can mutually it is corresponding join
According to.
The embodiment of the present application provides a kind of link reconfiguration system of four controls server, including：
Initial setup module 100, for setting original state；Wherein, the original state is two groups of alternate control sections
The 5th link and the 6th link between point are in disarmed state, and remaining four links are in effective status；
Failure is met an urgent need module 200, for when detecting any control node failure, enable the 5th link and
In 6th link with the disjunct link of failed controlling node；
State recovery module 300, for when detecting that the failed controlling node recovers normal, whole link-recovery to be extremely
The original state.
Three above module can be integrated in script be stored in it is described four control server each control node in use.
Based on above-described embodiment, the emergent module of the failure can also include：
Submodule is set, control node is set according to corresponding to setting rule determines the failed controlling node.
Adapter submodule, for control node described in the latter as the failed controlling node, take over the failure control
The I/O business of node processed.
Based on above-described embodiment, the adapter submodule can include：
Adapter unit is circulated, it is described to connect for forming adapter order according to the fixation slot number of each control node
The latter of the fixation slot number of failed controlling node described in pipe order is fixed control node corresponding to slot number and set to be described
Determine control node.
Based on above-described embodiment, the system can include：
Data memory module, the data and mirror image data of itself I/O business are cached for the control node；Wherein,
The mirror image data is corresponding to the previous fixed slot number of the fixation slot number of control node described in the adapter order
The data of the I/O business of control node.
Based on above-described embodiment, the system can also include：
Brush module under data, it will delay for the setting control node in failed controlling node the latter control node
Disk is brushed under the mirror image data deposited, and caches the previous control section of failed controlling node described in the adapter order
The I/O business datums of point.
Each embodiment is described by the way of progressive in specification, and what each embodiment stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
A kind of link reconfiguration method and system of four controls server provided herein is described in detail above.
Specific case used herein is set forth to the principle and embodiment of the application, and the explanation of above example is simply used
Understand the present processes and its core concept in help.It should be pointed out that for those skilled in the art,
On the premise of the application principle is not departed from, some improvement and modification can also be carried out to the application, these are improved and modification
Fall into the application scope of the claims.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Claims (10)
1. a kind of four control the link reconfiguration method of server, chain be present between the four controls server any two control node
Road, it is characterised in that methods described includes：
Original state is set；Wherein, the original state is the 5th link and the 6th chain between two groups of alternate control nodes
Road is in disarmed state, and remaining four links are in effective status；
When detecting any control node failure, enable in the 5th link and the 6th link with Fault Control
The disjunct link of node；
When detecting that the failed controlling node recovers normal, whole link-recovery to the original state.
2. according to the method for claim 1, it is characterised in that it is described enable in the 5th link and the 6th link with therefore
Hinder the disjunct link of control node, in addition to：
Control node is set according to corresponding to setting rule determines the failed controlling node；
By the setting control node, the I/O business of the failed controlling node is taken over.
3. according to the method for claim 2, it is characterised in that described that the failed controlling node is determined according to setting rule
Corresponding setting control node includes：
Adapter order, Fault Control section described in the adapter order are formed according to the fixation slot number of each control node
Control node corresponding to the latter fixation slot number of the fixation slot number of point is the setting control node.
4. according to the method for claim 3, it is characterised in that the location mode of the data of the I/O business includes：
The control node caches the data and mirror image data of itself I/O business；Wherein, the mirror image data is the adapter
The number of the I/O business of control node corresponding to the previous fixed slot number of the fixation slot number of control node described in order
According to.
5. according to the method for claim 4, it is characterised in that it is described when detecting any control node failure,
Also include：
Magnetic is brushed under the mirror image data that the setting control node will cache in failed controlling node the latter control node
Disk, and cache the I/O business datums of the previous control node of failed controlling node described in the adapter order.
6. a kind of four control the link reconfiguration system of server, chain be present between the four controls server any two control node
Road, it is characterised in that including：
Initial setup module, for setting original state；Wherein, the original state is between two groups of alternate control nodes
5th link and the 6th link are in disarmed state, and remaining four links are in effective status；
Failure is met an urgent need module, for when detecting any control node failure, enabling the 5th link and described the
In six links with the disjunct link of failed controlling node；
State recovery module, for when detecting that the failed controlling node recovers normal, whole link-recovery to it is described just
Beginning state.
7. system according to claim 6, it is characterised in that the emergent module of the failure also includes：
Submodule is set, control node is set according to corresponding to setting rule determines the failed controlling node；
Adapter submodule, for by the setting control node, taking over the I/O business of the failed controlling node.
8. system according to claim 7, it is characterised in that the adapter submodule includes：
Adapter unit is circulated, for forming adapter order according to the fixation slot number of each control node, the adapter is suitable
The latter of the fixation slot number of failed controlling node described in sequence fixes control node corresponding to slot number as the setting control
Node processed.
9. system according to claim 6, it is characterised in that including：
Data memory module, the data and mirror image data of itself I/O business are cached for the control node；Wherein, it is described
Mirror image data is to be controlled described in the adapter order corresponding to the previous fixed slot number of the fixation slot number of control node
The data of the I/O business of node.
10. system according to claim 9, it is characterised in that also include：
Brush module under data, it will be cached for the setting control node in failed controlling node the latter control node
Disk is brushed under mirror image data, and cache the previous control node of failed controlling node described in the adapter order
I/O business datums.
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| CN201710575638.1A CN107342902B (en) | 2017-07-14 | 2017-07-14 | Link recombination method and system of four-control server |
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| CN201710575638.1A CN107342902B (en) | 2017-07-14 | 2017-07-14 | Link recombination method and system of four-control server |
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| CN113742173A (en) * | 2021-08-30 | 2021-12-03 | 浙江大华技术股份有限公司 | Control method of multi-device cluster, device master control device and readable storage medium |
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| CN112000286A (en) * | 2020-08-13 | 2020-11-27 | 北京浪潮数据技术有限公司 | Four-control full-flash-memory storage system and fault processing method and device thereof |
| CN112000286B (en) * | 2020-08-13 | 2023-02-28 | 北京浪潮数据技术有限公司 | Four-control full-flash-memory storage system and fault processing method and device thereof |
| CN113742173A (en) * | 2021-08-30 | 2021-12-03 | 浙江大华技术股份有限公司 | Control method of multi-device cluster, device master control device and readable storage medium |
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