CN107562650A - A kind of physical host is mapped to the method and system of storage system - Google Patents
A kind of physical host is mapped to the method and system of storage system Download PDFInfo
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Abstract
The invention discloses the method and system that a kind of physical host is mapped to storage system, are included in and add N number of fictitious host computer in the Host map processing module on the upper strata of storage system；Host Properties are set to each fictitious host computer；Selected from N number of fictitious host computer to be not in the first fictitious host computer of mapping status according to the Host Properties of setting, and physical host is mapped into the first fictitious host computer；When the first fictitious host computer goes offline, it is according to the Host Properties of setting from other in the fictitious host computer of normal condition and selects to be not in the second fictitious host computer of mapping status and physical host is mapped into the second fictitious host computer.With physical host of the prior art compared with the one-to-one relation of fictitious host computer, multiple fictitious host computers are contained in the present invention, when the first fictitious host computer of physical host mapping goes offline, the second fictitious host computer is automatically selected to be mapped, prevent data distributing from interrupting, so that it is guaranteed that the security of data transfer；And improve the efficiency of data transfer.
Description
Technical field
The present invention relates to technical field of memory, is mapped to the method for storage system more particularly to a kind of physical host and is
System.
Background technology
With the development of computer technology, the application of storage system is more and more extensive.Many storages are included in storage system
Equipment, when multiple physical hosts issue data to storage device, physical host of the prior art be with storage device one by one
Corresponding connection so that the fictitious host computer that physical host is mapped in connected storage device, and on the fictitious host computer
LUN (LogicalUnit Number, logical volume) mapping is carried out, to learn the position of data distributing, so as to complete data
Issue.But because physical host of the prior art and storage device are annexations one by one, so when physical host is with depositing
When storing up the disconnecting between equipment, data distributing can be caused to fail, cause loss of data, so as to which data transfer can not be ensured
Security；Moreover, physical host needs to wait circuit reparation to establish a connection with storage device again after completing, reduce
The efficiency of data transfer.
Therefore, how to provide a kind of scheme for solving above-mentioned technical problem is that those skilled in the art needs to solve at present
The problem of.
The content of the invention
It is an object of the invention to provide the method and system that a kind of physical host is mapped to storage system, it is therefore prevented that under data
Hair interrupts, and ensures that the security of data transfer, and improve the efficiency of data transfer.
In order to solve the above technical problems, the invention provides a kind of method that physical host is mapped to storage system, including：
N number of fictitious host computer is added in the Host map processing module positioned at the upper strata of the storage system, wherein, N is
Integer more than 1；
Host Properties are set to each fictitious host computer；
The be not in mapping status first virtual master is selected from N number of fictitious host computer according to the Host Properties of setting
Machine, and the physical host is mapped into first fictitious host computer；
When first fictitious host computer goes offline, the void of normal condition is in from other according to the Host Properties of the setting
Intend selection in main frame to be not in the second fictitious host computer of mapping status and the physical host is mapped into the described second virtual master
Machine.
Preferably, the Host Properties according to setting select to be not in mapping status from N number of fictitious host computer
The process of first fictitious host computer is specially：
Selected according to the Host Properties of setting from N number of fictitious host computer with the physical host matching degree highest and
It is not in the first fictitious host computer of mapping status.
Preferably, the Host Properties according to setting select and the physical host from N number of fictitious host computer
With degree highest and it is not in the process of the first fictitious host computer of mapping status and is specially：
Selection is not in mapping status from N number of fictitious host computer and Host Properties are appointed with issuing for the physical host
Matching degree highest fictitious host computer be engaged in as the first fictitious host computer.
Preferably, after the physical host is mapped into first fictitious host computer, as the described first virtual master
Before when machine goes offline, this method also includes：
According to the task that issues of the physical host, the Host Properties of renewal first fictitious host computer.
Preferably, after the Host Properties of first fictitious host computer are updated, gone offline when first fictitious host computer
When before, this method also includes：
Predetermined prefer node in the M node in the storage system obtain priority of task and issued
Path, task is issued so that the physical host issues path by the priority of task, wherein, M is the integer more than 1.
Preferably, this method also includes：
When the prefer node break down, respectively by M category corresponding to M node in the storage system
Property match with the Host Properties updated, the Host Properties of selection and the renewal be in the node of normal condition from other
With degree highest and it is not in the node of matching status；
Mission dispatching path is obtained according to the node of selection, so that the physical host passes through under the mission dispatching path
Hair task.
Preferably, this method also includes：
The 3rd most fictitious host computer of number of dropped calls is determined every preset time, by the main frame category of the 3rd fictitious host computer
Property change to number of dropped calls less than the 3rd fictitious host computer the 4th fictitious host computer Host Properties.
Preferably, this method also includes：
Addition instruction is received, new fictitious host computer is added in the Host map processing module.
Preferably, this method also includes：
Receive and delete instruction, delete the fictitious host computer of the specified deletion in the Host map processing module.
In order to solve the above technical problems, present invention also offers the system that a kind of physical host is mapped to storage system, bag
Include：
Adding device, it is N number of virtual for being added in the Host map processing module positioned at the upper strata of the storage system
Main frame, wherein, N is the integer more than 1；
Setting unit, for setting Host Properties to each fictitious host computer；
First map unit, select to be not in mapping from N number of fictitious host computer for the Host Properties according to setting
First fictitious host computer of state, and the physical host is mapped into first fictitious host computer；
Second map unit, for when first fictitious host computer goes offline, according to the Host Properties of the setting from its
He is in selection in the fictitious host computer of normal condition and is not in the second fictitious host computer of mapping status and reflects the physical host
It is incident upon second fictitious host computer.
The invention provides a kind of method that physical host is mapped to storage system, it is included in positioned at the upper strata of storage system
Host map processing module in add N number of fictitious host computer, wherein, N is integer more than 1；Each fictitious host computer is set and led
Machine attribute；Selected from N number of fictitious host computer to be not in the first fictitious host computer of mapping status according to the Host Properties of setting, and will
Physical host maps to the first fictitious host computer；When the first fictitious host computer goes offline, it is according to the Host Properties of setting from other
Selection is not in the second fictitious host computer of mapping status and physical host is mapped into the second void in the fictitious host computer of normal condition
Intend main frame.
With physical host of the prior art compared with the one-to-one relation of fictitious host computer, the present invention is in storage system
Upper strata with the addition of Host map processing module, and multiple fictitious host computers are contained in Host map processing module.When physical host reflects
When penetrating, according to the Host Properties of multiple fictitious host computers first fictitious host computer can be selected to be mapped, as the first virtual master
When machine goes offline, the second fictitious host computer can be automatically selected and mapped, prevent data distributing from interrupting, so that it is guaranteed that data transfer
Security；Moreover, physical host and withouting waiting for circuit reparation and can improve data biography to map to the second fictitious host computer
Defeated efficiency.
Present invention also offers the system that a kind of physical host is mapped to storage system, has identical with above-mentioned mapping method
Beneficial effect.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to institute in prior art and embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the flow chart for the method that a kind of physical host provided by the invention is mapped to storage system；
Fig. 2 is the structural representation for the system that a kind of physical host provided by the invention is mapped to storage system.
Embodiment
The core of the present invention is to provide the method and system that a kind of physical host is mapped to storage system, it is therefore prevented that under data
Hair interrupts, and ensures that the security of data transfer, and improve the efficiency of data transfer.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is the flow chart for the method that a kind of physical host provided by the invention is mapped to storage system,
This method includes：
Step S1：N number of fictitious host computer is added in the Host map processing module positioned at the upper strata of storage system, wherein, N
For the integer more than 1；
Cause fictitious host computer without selectivity in view of original physical host and the man-to-man corresponding relation of fictitious host computer
And alternative, therefore, a Host map processing module is added on the upper strata of storage system, in the Host map processing module
Multiple fictitious host computers are added, Host map processing module now is equivalent to the cluster of fictitious host computer, and the present invention is to fictitious host computer
Way to manage the mode of cluster processing is changed to by the mode of original single treatment, improve the management of performance of system.
Step S2：Host Properties are set to each fictitious host computer；
Specifically, multiple attributes are respectively provided with to each fictitious host computer in Host map processing module, each attribute is
One structure, multiple attributes here are referred to as Host Properties.Host Properties can include being used to distinguish data distributing path
IOgroup attributes and the type for representing physical host Type attributes, can also include site attributes, Port
Access attributes.Which attribute is specifically included as Host Properties, the present invention does not limit particularly herein, according to actual conditions
Set.
Step S3：Selected according to the Host Properties of setting from N number of fictitious host computer be not in mapping status first virtual
Main frame, and physical host is mapped into the first fictitious host computer；
Specifically, when the mapping of only physical host, first according to the Host Properties of each fictitious host computer from multiple
One the first fictitious host computer of selection in fictitious host computer, the mapping object of the first fictitious host computer namely physical host now,
Physical host is mapped into the first fictitious host computer.
It is more when existing here exemplified by it two physical host mappings be present when multiple physical host mappings be present
It is identical with the mapping mode principle of two physical hosts be present when physical host maps.Specifically, the mapping of two physical hosts
Successively order, if first completing the mapping of first physical host, one first should be selected from multiple fictitious host computers first
Mapping object of the fictitious host computer as first physical host, first physical host is mapped to the first virtual master of selection
Machine.Because the first fictitious host computer of selection is in mapping status, it is impossible to as the mapping object of second physical host, so from
Mapping pair of first fictitious host computer for being not in mapping status as second physical host is selected in multiple fictitious host computers
As second physical host then is mapped into first fictitious host computer.
Step S4：When the first fictitious host computer goes offline, the void of normal condition is in from other according to the Host Properties of setting
Intend selection in main frame to be not in the second fictitious host computer of mapping status and physical host is mapped into the second fictitious host computer.
Specifically,, can be according to each fictitious host computer in order to prevent data distributing from interrupting when the first fictitious host computer goes offline
Host Properties are in the fictitious host computer of normal condition from other and select the second fictitious host computer for being not in mapping status, then
Physical host is mapped into the second fictitious host computer.The second fictitious host computer now just replaces the first fictitious host computer to go offline, so as to
It ensure that the security of data transfer；And first fictitious host computer go offline after have no effect on physical host to map to second virtual
Main frame, so as to improve the efficiency of data transfer.
The invention provides a kind of method that physical host is mapped to storage system, it is included in positioned at the upper strata of storage system
Host map processing module in add N number of fictitious host computer, wherein, N is integer more than 1；Each fictitious host computer is set and led
Machine attribute；Selected from N number of fictitious host computer to be not in the first fictitious host computer of mapping status according to the Host Properties of setting, and will
Physical host maps to the first fictitious host computer；When the first fictitious host computer goes offline, it is according to the Host Properties of setting from other
Selection is not in the second fictitious host computer of mapping status and physical host is mapped into the second void in the fictitious host computer of normal condition
Intend main frame.
With physical host of the prior art compared with the one-to-one relation of fictitious host computer, the present invention is in storage system
Upper strata with the addition of Host map processing module, and multiple fictitious host computers are contained in Host map processing module.When physical host reflects
When penetrating, according to the Host Properties of multiple fictitious host computers first fictitious host computer can be selected to be mapped, as the first virtual master
When machine goes offline, the second fictitious host computer can be automatically selected and mapped, prevent data distributing from interrupting, so that it is guaranteed that data transfer
Security；Moreover, physical host and withouting waiting for circuit reparation and can improve data biography to map to the second fictitious host computer
Defeated efficiency.
On the basis of above-described embodiment：
As a kind of preferred embodiment, select to be not in mapping from N number of fictitious host computer according to the Host Properties of setting
The process of first fictitious host computer of state is specially：
Selected according to the Host Properties of setting from N number of fictitious host computer and physical host matching degree highest and be not in reflecting
Penetrate the first fictitious host computer of state.
, can be from multiple according to the Host Properties of each fictitious host computer in order to further increase the efficiency of data transfer
One is selected with physical host matching degree highest in fictitious host computer and is not in the first fictitious host computer of mapping status, by physics
Host map is to first fictitious host computer.
As a kind of preferred embodiment, selected according to the Host Properties of setting from N number of fictitious host computer and physical host
Matching degree highest and it is not in the process of the first fictitious host computer of mapping status and is specially：
Selection is not in mapping status from N number of fictitious host computer and Host Properties and physical host issue task matching degree
Highest fictitious host computer is as the first fictitious host computer.
Specifically, each physical host has the task that oneself to be issued, and physical host is issued into task and every respectively
The Host Properties of individual fictitious host computer match, from N number of fictitious host computer selection be not in mapping status and Host Properties and physics
Main frame issues task matching degree the first fictitious host computer of highest, and physical host then is mapped into first fictitious host computer, from
And improve the efficiency of mission dispatching.
It is virtual working as first after physical host is mapped into the first fictitious host computer as a kind of preferred embodiment
Before when main frame goes offline, this method also includes：
According to the task that issues of physical host, the Host Properties of the first fictitious host computer of renewal.
Specifically, although the Host Properties of the first fictitious host computer initially set up can with physical host issue task reality
Now matching well, but with the Host Properties for issuing the fictitious host computer that task matches completely of physical host be it is devious,
In order to eliminate this deviation, update the Host Properties of the first fictitious host computer to physical host issue task match completely it is virtual
The Host Properties of main frame.
As a kind of preferred embodiment, after the Host Properties of the first fictitious host computer are updated, as the first virtual master
Before when machine goes offline, this method also includes：
Predetermined prefer node in the M node in storage system obtain priority of task and issue path,
Task is issued so that physical host issues path by priority of task, wherein, M is the integer more than 1.
Specifically, here predetermined determines in advance, it is only necessary to determine once, later can be directly to make
With, except not according to actual conditions change, otherwise need not redefine.Multiple node are included in storage system, node is used to control
Mission dispatching processed, a prefer node determined in advance is included in multiple node, can be obtained by prefer node
Priority of task issues path, and physical host can complete issuing for task to issue path by obtained priority of task.
As a kind of preferred embodiment, this method also includes：
When prefer node break down, respectively by M attribute corresponding to M node in storage system and renewal
Host Properties match, from other be in the node of normal condition select with renewal Host Properties matching degree highest and
It is not in the node of matching status；
Mission dispatching path is obtained according to the node of selection, so that physical host issues task by mission dispatching path.
When prefer node break down, in order to ensure that the normal of task is issued, it is necessary to select one to be in normal shape
State and the node of matching status is not in replace the prefer node of failure.Specifically, multiple category are included in node attribute
Property, multiple attributes, node multiple attributes and the first fictitious host computer are also included in the Host Properties of the first fictitious host computer of renewal
Multiple attributes between have identical attribute, that is to say, that the Host Properties of node attribute and the first fictitious host computer can lead to
Cross the two identical attribute and realize matching, so respectively by each self-corresponding attributes of multiple node and the Host Properties phase of renewal
Match somebody with somebody, generation can be carried out with the Host Properties matching degree highest node of renewal to be in the node of normal condition to select from other
For the prefer node of failure.
As a kind of preferred embodiment, this method also includes：
The 3rd most fictitious host computer of number of dropped calls is determined every preset time, the Host Properties of the 3rd fictitious host computer are repaiied
It is changed to Host Properties of the number of dropped calls less than the 4th fictitious host computer of the 3rd fictitious host computer.
Specifically, preset time here is set in advance, it is only necessary to determine once, later can be directly to make
With, except not according to actual conditions change, otherwise need not reset.In order to ensure the stability of system, to fictitious host computer
Number of dropped calls is added up, can be to determine number of dropped calls most every the number of dropped calls of the more each fictitious host computer of preset time
The 3rd more fictitious host computers, the Host Properties of the 3rd fictitious host computer are changed to number of dropped calls and are less than the 4th of the 3rd fictitious host computer
The Host Properties of fictitious host computer.Which fictitious host computer selected as in fictitious host computer of the number of dropped calls less than the 3rd fictitious host computer
As the 4th fictitious host computer, the present invention does not limit particularly herein, depending on actual conditions.
As a kind of preferred embodiment, this method also includes：
Addition instruction is received, new fictitious host computer is added in Host map processing module.
Specifically, after addition instruction is received, new fictitious host computer is added in Host map processing module, is added
The number of fictitious host computer in Host map processing module so that the mapping of physical host more has selectivity.
As a kind of preferred embodiment, this method also includes：
Receive and delete instruction, delete the fictitious host computer of the specified deletion in Host map processing module.
Specifically, after deletion instruction is received, the fictitious host computer of the specified deletion in Host map processing module is deleted,
Avoid the unnecessary waste of memory space.
Fig. 2 is refer to, Fig. 2 is the structural representation for the system that a kind of physical host provided by the invention is mapped to storage system
Figure, the system include：
Adding device 1, it is N number of virtual main for being added in the Host map processing module positioned at the upper strata of storage system
Machine, wherein, N is the integer more than 1；
Setting unit 2, for setting Host Properties to each fictitious host computer；
First map unit 3, select from N number of fictitious host computer to be not in mapping status for the Host Properties according to setting
The first fictitious host computer, and physical host is mapped into the first fictitious host computer；
Second map unit 4, for when the first fictitious host computer goes offline, being in just from other according to the Host Properties of setting
Selection is not in the second fictitious host computer of mapping status in the fictitious host computer of normal state and that physical host is mapped into second is virtual
Main frame.
Introduction for system provided by the invention refer to above method embodiment, and the present invention will not be repeated here.
It should also be noted that, in this manual, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of method that physical host is mapped to storage system, it is characterised in that including：
N number of fictitious host computer is added in the Host map processing module positioned at the upper strata of the storage system, wherein, N is more than 1
Integer；
Host Properties are set to each fictitious host computer；
Selected from N number of fictitious host computer to be not in the first fictitious host computer of mapping status according to the Host Properties of setting, and
The physical host is mapped into first fictitious host computer；
When first fictitious host computer goes offline, the virtual master of normal condition is in from other according to the Host Properties of the setting
Selection is not in the second fictitious host computer of mapping status and the physical host is mapped into second fictitious host computer in machine.
2. according to the method for claim 1, it is characterised in that the Host Properties according to setting are from N number of described virtual
The process for the first fictitious host computer that selection is not in mapping status is specially in main frame：
Selected according to the Host Properties of setting from N number of fictitious host computer with the physical host matching degree highest and not from
In the first fictitious host computer of mapping status.
3. according to the method for claim 2, it is characterised in that the Host Properties according to setting are from N number of described virtual
In main frame selection with the physical host matching degree highest and be not in the first fictitious host computer of mapping status process it is specific
For：
What selection was not in mapping status and Host Properties and the physical host from N number of fictitious host computer issues task
With degree highest fictitious host computer as the first fictitious host computer.
4. according to the method for claim 1, it is characterised in that virtual main the physical host is mapped into described first
After machine, before when first fictitious host computer goes offline, this method also includes：
According to the task that issues of the physical host, the Host Properties of renewal first fictitious host computer.
5. according to the method for claim 4, it is characterised in that update first fictitious host computer Host Properties it
Afterwards, before when first fictitious host computer goes offline, this method also includes：
Predetermined prefer node in the M node in the storage system obtain priority of task and issue path,
Task is issued so that the physical host issues path by the priority of task, wherein, M is the integer more than 1.
6. according to the method for claim 5, it is characterised in that this method also includes：
When the prefer node break down, respectively by M attribute corresponding to M node in the storage system with
The Host Properties of renewal match, and the Host Properties matching degree of selection and the renewal in the node of normal condition is in from other
Highest and the node for being not in matching status；
Mission dispatching path is obtained according to the node of selection, appointed so that the physical host is issued by the mission dispatching path
Business.
7. according to the method described in claim any one of 1-6, it is characterised in that this method also includes：
The 3rd most fictitious host computer of number of dropped calls is determined every preset time, the Host Properties of the 3rd fictitious host computer are repaiied
It is changed to Host Properties of the number of dropped calls less than the 4th fictitious host computer of the 3rd fictitious host computer.
8. according to the method for claim 7, it is characterised in that this method also includes：
Addition instruction is received, new fictitious host computer is added in the Host map processing module.
9. according to the method for claim 8, it is characterised in that this method also includes：
Receive and delete instruction, delete the fictitious host computer of the specified deletion in the Host map processing module.
A kind of 10. system that physical host is mapped to storage system, it is characterised in that including：
Adding device, for adding N number of fictitious host computer in the Host map processing module positioned at the upper strata of the storage system,
Wherein, N is the integer more than 1；
Setting unit, for setting Host Properties to each fictitious host computer；
First map unit, select from N number of fictitious host computer to be not in mapping status for the Host Properties according to setting
The first fictitious host computer, and the physical host is mapped into first fictitious host computer；
Second map unit, for when first fictitious host computer goes offline, according to the Host Properties of the setting from its elsewhere
Selection is not in the second fictitious host computer of mapping status and maps to the physical host in the fictitious host computer of normal condition
Second fictitious host computer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110045930A (en) * | 2019-04-19 | 2019-07-23 | 苏州浪潮智能科技有限公司 | Virtual platform management stores method, apparatus, equipment and the medium of equipment volume |
| CN113391960A (en) * | 2021-08-18 | 2021-09-14 | 深圳市中科鼎创科技股份有限公司 | Technical method and system for rapidly realizing recovery of operating system |
| CN113391960B (en) * | 2021-08-18 | 2021-11-30 | 深圳市中科鼎创科技股份有限公司 | Technical method and system for rapidly realizing recovery of operating system |
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