CN107340974A - The moving method and moving apparatus of a kind of virtual disk - Google Patents
The moving method and moving apparatus of a kind of virtual disk Download PDFInfo
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- CN107340974A CN107340974A CN201710551215.6A CN201710551215A CN107340974A CN 107340974 A CN107340974 A CN 107340974A CN 201710551215 A CN201710551215 A CN 201710551215A CN 107340974 A CN107340974 A CN 107340974A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The embodiment of the invention discloses a kind of moving method of virtual disk and moving apparatus, including judge whether virtual disk to be migrated can move；If virtual disk to be migrated can move, the storage list for including all candidate storage spaces for storing virtual disk to be migrated is obtained；Storage list is sent to user；The candidate storage space that reception user selects in list is stored is as target storage space；Virtual disk to be migrated is migrated to target storage space.From technical scheme provided by the invention, due to having prejudged whether virtual disk to be migrated can move, the storage list for including all candidate storage spaces for storing virtual disk to be migrated is obtained after it is determined that moving, therefore when user is selecting new memory space of any one candidate storage space as virtual disk to be migrated in storing list, virtual disk to be migrated can be successfully migrated in the memory space, the migration success rate of virtual disk is ensure that, improves Consumer's Experience.
Description
Technical field
The present invention relates to the management domain of virtual disk, more particularly to a kind of moving method of virtual disk and migration dress
Put.
Background technology
Server virtualization product be for conventional data centers architecture utilization rate is low, physics cost is increasingly climbed
Rise, management cost improves constantly and crucial application and trouble can not be repaired in time and designs the problems such as to disaster protection deficiency
With exploitation, server virtualization product can be by static, complicated Internet technology (Internet Technology, IT)
Environment transition is dynamic, the virtual environment being easily managed, so as to overcome above-mentioned variety of problems.
Virtual disk (Virtual Disk, VD) is used as a kind of server virtualization product, and its shift function is most basic
Function.
In correlation technique, the migration of virtual disk is all selected virtual disk mostly, directly performs mobile virtual disk
Operation, and under real virtualized environment, the mobile of virtual disk can have many restrictions, therefore this method is often led
The migration failure of virtual disk is caused, reduces Consumer's Experience.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of moving method and moving apparatus of virtual disk, can
Ensure the migration success of virtual disk by way of prejudging.
In order to reach the object of the invention, the invention provides a kind of moving method of virtual disk, including：
Judge whether virtual disk to be migrated can move；
If the virtual disk to be migrated can move, obtain and store the standby of the virtual disk to be migrated comprising all
Select the storage list of memory space；
The storage list is sent to user；
The user is received in the candidate storage space selected in list that stores as target storage space；
The virtual disk to be migrated is migrated to the target storage space.
It is described to judge whether virtual disk to be migrated move, including：
Judge whether the virtual disk to be migrated is empty；
Judge whether the virtual disk to be migrated is in the lock state；
Judge whether the virtual disk to be migrated is snapshot；
Judge whether the virtual disk to be migrated is high availability disk；
Judge whether the virtual disk to be migrated is stored with metadata；
Judge whether the virtual disk to be migrated is instrument installation disk；
Whether the type for judging to store the memory space of the virtual disk to be migrated is underlying storage type；
If the virtual disk to be migrated is not sky, and be in unlocked state, and be not the snapshot, and not by with
Make the high availability disk, and be not stored with the metadata, and be not employed as instrument installation disk, and described in storage
The type of the memory space of virtual disk to be migrated is not the underlying storage type, determines that the virtual disk to be migrated can
It is mobile.
The acquisition includes the storage list in all candidate storage spaces for storing virtual disk to be migrated, including：
Obtain all M memory spaces in resource pool；
Judge whether i-th of memory space is that can store the virtual disk to be migrated in the M memory space successively
Memory space；Wherein, i=1,2 ... M；
If i-th of memory space is the memory space that can store the virtual disk to be migrated in the M memory space,
Determine that i-th of memory space is the candidate storage space in the M memory space；
The storage list is generated according to the candidate storage space of all determinations.
It is described to judge whether i-th of memory space is that store depositing for virtual disk to be migrated in M memory space successively
Space is stored up, including：
Whether the current memory space for judging to store the virtual disk to be migrated has mapping relations between virtual machine；
If mapping relations are not present between the current memory space and the virtual machine, according to the M memory space
In i-th of memory space state, and i-th memory space and the pass of the current memory space in the M memory space
System judges whether i-th of memory space is the memory space that can store the virtual disk to be migrated in the M memory space；
If mapping relations be present between the current memory space and the virtual machine, according to the current memory space
I-th of memory space in the state of i-th memory space and the M memory space in storage class, the M memory space
Storage class judge whether i-th of memory space is that can store the virtual disk to be migrated in the M memory space
Memory space.
If mapping relations are not present between the current memory space and the virtual machine, according to M memory space
In i-th of memory space state, and the relation of i-th of memory space and current memory space judges M in M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in memory space, including：
If mapping relations are not present between the current memory space and the virtual machine, the M memory space is judged
In i-th of memory space state it is whether normal；
Judge whether i-th of memory space and the current memory space are same storage in the M memory space
Space；
If the state of i-th of memory space is normal in the M memory space and is not same with the current memory space
One memory space, determine that i-th of memory space is that can store depositing for the virtual disk to be migrated in the M memory space
Store up space.
If mapping relations be present between the current memory space and the virtual machine, according to current memory space
In storage class, M memory space in the state of i-th memory space and M memory space i-th of memory space storage class
Type judges whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space, including：
If mapping relations be present between the current memory space and the virtual machine, the current memory space is obtained
Storage class；
If is type is locally stored in the storage class of the current memory space, according to i-th in the M memory space
The storage class of i-th of memory space judges the M memory space in the state of memory space, and the M memory space
In i-th memory space be the memory space for enough storing the virtual disk to be migrated；
If the storage class of the current memory space is shared storage class, according to i-th in the M memory space
The storage class of memory space judges whether i-th of memory space is that can store the void to be migrated in the M memory space
Intend the memory space of disk.
If is type is locally stored in the storage class of the current memory space, according to i-th of storage in M memory space
The storage class of i-th of memory space judges that i-th of storage is empty in M memory space in the state in space, and M memory space
Between be enough to store the memory space of virtual disk to be migrated, including：
If the storage class of the current memory space is judged in the M memory space i-th for type is locally stored
Whether the state of memory space is normal；
Whether the storage class for judging i-th of memory space in the M memory space is shared storage class；
If the state of i-th of memory space is normal in the M memory space and is the shared storage class, institute is determined
It is the memory space for enough storing the virtual disk to be migrated to state i-th of memory space in M memory space.
If the storage class of the current memory space is shared storage class, according to i-th of storage in M memory space
The storage class in space judges whether i-th of memory space is the storage that can store virtual disk to be migrated in M memory space
Space, including：
If the storage class of the current memory space is shared storage class, obtain in the M memory space i-th
The storage class of memory space；
If the storage class of i-th of memory space is shared storage class in the M memory space, according to the M
In the state of i-th of memory space in memory space, and the M memory space i-th of memory space with it is described currently stored
The relation in space judges whether i-th of memory space is that can store the virtual disk to be migrated in the M memory space
Memory space；
If is type is locally stored in the storage class of i-th of memory space in the M memory space, according to the M
I-th of memory space and storage to be determined are empty in the state of i-th of memory space in memory space, and the M memory space
Between relation judge whether i-th of memory space is that can store depositing for the virtual disk to be migrated in the M memory space
Store up space；Wherein, the memory space to be determined is to exist with the current memory space belonging to the virtual machine of mapping relations
Memory space.
If the storage class of i-th of memory space is shared storage class in the M memory space, according to M storage
The relation of i-th of memory space and current memory space is sentenced in the state of i-th of memory space, and M memory space in space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in disconnected M memory space, including：
If the storage class of i-th of memory space is shared storage class in the M memory space, the M are judged
Whether the state of i-th of memory space is normal in memory space；
Judge whether i-th of memory space and the current memory space are same storage in the M memory space
Space；
If the state of i-th of memory space is normal in the M memory space and is not same with the current memory space
One memory space, determine that i-th of memory space is that can store depositing for the virtual disk to be migrated in the M memory space
Store up space；
If is type is locally stored in the storage class of i-th of memory space in the M memory space, according to M storage
The relation of i-th of memory space and memory space to be determined in the state of i-th of memory space, and M memory space in space
Judge whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space, including：
If type is locally stored in the storage class of i-th of memory space in the M memory space, obtain and described current
There is the affiliated memory space of the virtual machine of mapping relations in memory space, obtain memory space to be determined；
Judge whether the state of i-th of memory space in the M memory space is normal；
Judge whether i-th of memory space and the memory space to be determined are same deposit in the M memory space
Store up space；
If the state of i-th of memory space is not normally and with the memory space to be determined in the M memory space
Same memory space, determine that i-th of memory space is that can store the virtual disk to be migrated in the M memory space
Memory space.
Present invention also offers a kind of moving apparatus of virtual disk, including：
Judge module, for judging whether virtual disk to be migrated can move；
Acquisition module, if can be moved for the virtual disk to be migrated, obtain to include and wait to move described in all store
Move the storage list in the candidate storage space of virtual disk；
Sending module, for sending the storage list to user；
Receiving module, for receiving the user in the candidate storage space selected in list that stores as mesh
Mark memory space；
Processing module, for the virtual disk to be migrated to be migrated to the target storage space.
Compared with prior art, the present invention, which comprises at least, judges whether virtual disk to be migrated can move；It is if to be migrated
Virtual disk can move, and obtain the storage list for including all candidate storage spaces for storing virtual disk to be migrated；To
User sends storage list；The candidate storage space that reception user selects in list is stored is as target storage space；
Virtual disk to be migrated is migrated to target storage space.From technical scheme provided by the invention, due to prejudging
Whether virtual disk to be migrated can be moved, and the standby of virtual disk to be migrated is being stored comprising all it is determined that being obtained after mobile
The storage list of memory space is selected, therefore when user selects any one candidate storage space as to be migrated in list is stored
During the new memory space of virtual disk, virtual disk to be migrated can be successfully migrated in the memory space, so as to ensure
The migration success rate of virtual disk, improves Consumer's Experience.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application is used to explain technical scheme together, does not form the limitation to technical solution of the present invention.
Fig. 1 is a kind of schematic flow sheet of the moving method of virtual disk provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the moving method of another virtual disk provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the moving method of another virtual disk provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of the moving apparatus of virtual disk provided in an embodiment of the present invention；
Fig. 5 is the structural representation of the moving apparatus of another virtual disk provided in an embodiment of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
The embodiment of the present invention provides a kind of moving method of virtual disk, as shown in figure 1, this method includes：
Step 101, judge whether virtual disk to be migrated can move.
Specifically, because the movement of virtual disk has many restrictions, it is therefore desirable to judge in advance to be migrated virtual
Whether disk can move.
If step 102, virtual disk to be migrated can move, obtain and store the standby of virtual disk to be migrated comprising all
Select the storage list of memory space.
Specifically, candidate storage space is the memory space that can store virtual disk to be migrated by determination, storage
List is the list in all candidate storage spaces for storing virtual disk to be migrated.
Step 103, storage list is sent to user.
The candidate storage space that step 104, reception user select in list is stored is as target storage space.
Wish specifically, the candidate storage space that user selects in list is stored is user by virtual magnetic to be migrated
The new memory space that disk is moved to, therefore, the candidate storage space is exactly target storage space.
Step 105, virtual disk to be migrated migrated to target storage space.
It should be noted that because target storage space is to store a candidate storage space in list, list is stored
In all candidate storage space be all the memory space that can store virtual disk to be migrated, therefore, by virtual disk to be migrated
Migrating being capable of successful execution to target storage space.
The moving method for the virtual disk that the embodiment of the present invention is provided, judges whether virtual disk to be migrated can move
It is dynamic；If virtual disk to be migrated can move, obtain comprising all candidate storage spaces for storing virtual disk to be migrated
Store list；Storage list is sent to user；The candidate storage space that reception user selects in list is stored is as mesh
Mark memory space；Virtual disk to be migrated is migrated to target storage space.From technical scheme provided by the invention, due to
Prejudge whether virtual disk to be migrated can move, void to be migrated is being stored comprising all it is determined that being obtained after mobile
Intend the storage list in the candidate storage space of disk, therefore when user selects any one candidate storage space in list is stored
During new memory space as virtual disk to be migrated, virtual disk to be migrated can be successfully migrated to the memory space
In, so as to ensure that the migration success rate of virtual disk, improve Consumer's Experience.
The embodiment of the present invention provides the moving method of another virtual disk, as shown in Fig. 2 this method includes：
Step 201, judge whether virtual disk to be migrated is empty.
It should be noted that when virtual disk to be migrated is space-time, virtual disk to be migrated can not be migrated, only when waiting to move
When being stored with data in shifting disk, disk to be migrated could be migrated.
Step 202, judge whether virtual disk to be migrated is in the lock state.
Step 203, judge whether virtual disk to be migrated is snapshot.
It should be noted that disk " snapshot " is magnetic disk of virtual machine file puts timely duplicate at some.System crash or
System exception, by using snapshot is returned to disk file system and system can be kept to store.
Step 204, judge whether virtual disk to be migrated is high availability disk.
Step 205, judge whether virtual disk to be migrated is stored with metadata.
Step 206, judge whether virtual disk to be migrated is instrument installation disk.
It should be noted that if virtual disk to be migrated is instrument Tools installation disks, virtual disk to be migrated can not
It is enough mobile.
Whether step 207, the type for judging to store the memory space of virtual disk to be migrated are underlying storage type.
Specifically, rawhba is a kind of underlying storage type, if storing the type of the memory space of virtual disk to be migrated
It is the type, then virtual disk to be migrated can not move.
If step 208, virtual disk to be migrated are not sky, and are in unlocked state, and are not snapshots, and are not that height can
With property disk, and metadata is not stored with, and is not instrument installation disk, and store the memory space of virtual disk to be migrated
Type be not underlying storage type, determine that virtual disk to be migrated can move.
Step 209, obtain all M memory spaces in resource pool.
Step 210, judge whether i-th of memory space is that can store virtual disk to be migrated in M memory space successively
Memory space.
Wherein, i=1,2 ... M.
Specifically, judge whether i-th of memory space is that can store virtual disk to be migrated in M memory space successively
Memory space refers to：Judge whether the 1st memory space is that can store virtual disk to be migrated in M memory space successively
Whether the 2nd memory space is the memory space ... M that can store virtual disk to be migrated in memory space, M memory space
Whether m-th memory space is the memory space that can store virtual disk to be migrated in memory space.
Specifically, step 210 can be realized by step 210a, 210b and 210c：
210a, judge whether the current memory space for storing virtual disk to be migrated has mapping between virtual machine and close
System.
If mapping relations are not present between 210b, current memory space and virtual machine, according to i-th in M memory space
The relation of i-th of memory space and current memory space judges that M storage is empty in the state of memory space, and M memory space
Between in i-th of memory space whether be the memory space that can store virtual disk to be migrated.
If mapping relations be present between 210c, current memory space and virtual machine, according to the storage class of current memory space
The storage class of i-th of memory space judges in the state of i-th memory space and M memory space in type, M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
Specifically, step 210b can be realized by step 210b1,210b2 and 210b3：
If mapping relations step 210b1, are not present between current memory space and virtual machine, judge in M memory space
Whether the state of i-th of memory space is normal.
Step 210b2, judge whether i-th of memory space and current memory space are same deposit in M memory space
Store up space.
Step 210b3, if the state of i-th of memory space is not normally and with current memory space in M memory space
Same memory space, determine that i-th of memory space is the storage sky that can store virtual disk to be migrated in M memory space
Between.
Step 210c can be realized by step 210c1,210c2 and 210c3：
If mapping relations between current memory space and virtual machine step 210c1, be present, depositing for current memory space is obtained
Store up type.
Step 210c2, if is type is locally stored in the storage class of current memory space, according to i-th in M memory space
The storage class of i-th of memory space is judged in M memory space i-th in the state of individual memory space, and M memory space
Memory space is the memory space for enough storing virtual disk to be migrated.
Step 210c3, if the storage class of current memory space is shared storage class, according to i-th in M memory space
The storage class of individual memory space judges whether i-th of memory space is that can store virtual disk to be migrated in M memory space
Memory space.
Specifically, step 210c2 can be realized by step 210c21,210c22 and 210c23：
If step 210c21, is type is locally stored in the storage class of current memory space, judges in M memory space the
Whether the state of i memory space is normal.
Whether the storage class for step 210c22, judging i-th of memory space in M memory space is shared storage class
Type.
Step 210c23, if the state of i-th of memory space is normal in M memory space and is shared storage class, really
It is the memory space for enough storing virtual disk to be migrated to determine i-th of memory space in M memory space.
Step step 210c3 can be realized by step 210c31,210c32 and 210c33：
If step 210c31, the storage class of current memory space is shared storage class, the is obtained in M memory space
The storage class of i memory space.
Step 210c32, if the storage class of i-th of memory space is shared storage class in M memory space, according to M
I-th of memory space and current memory space in the state of i-th of memory space, and M memory space in individual memory space
Relation judges whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
Specifically, step 210c32 is realized by following steps：
If the storage class of i-th of memory space is shared storage class in M memory space, M memory space is judged
In i-th of memory space state it is whether normal.
Judge whether i-th of memory space and current memory space are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same storage with current memory space
Space, determine that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
Step 210c33, if is type is locally stored in the storage class of i-th of memory space in M memory space, according to M
I-th memory space and memory space to be determined in the state of i-th of memory space, and M memory space in individual memory space
Relation judge whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space；Its
In, memory space to be determined is the affiliated memory space for the virtual machine that mapping relations with current memory space be present.
Specifically, step 210c33 is realized by following steps：
If the storage class of i-th of memory space obtains and currently stored sky for type is locally stored in M memory space
Between exist mapping relations virtual machine affiliated memory space, obtain memory space to be determined.
Judge whether the state of i-th of memory space in M memory space is normal.
Judge whether i-th of memory space and memory space to be determined are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same deposit with memory space to be determined
Space is stored up, determines that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
If i-th of memory space is the memory space that can store virtual disk to be migrated in step 211, M memory space,
Determine that i-th of memory space is candidate storage space in M memory space.
Step 212, storage list is generated according to the candidate storage space of all determinations.
Step 213, storage list is sent to user.
The candidate storage space that step 214, reception user select in list is stored is as target storage space.
Step 215, virtual disk to be migrated migrated to target storage space.
Specifically, in actual applications, can be by setting two interfaces on virtual disk, in a wherein interface
Step 201~208 are realized in a manner of calling, step 209~215. are realized in a manner of calling in another interface
It should also be noted that, the explanation in the present embodiment with same steps in other embodiments or concept, Ke Yican
According to the description in other embodiments.
The moving method for the virtual disk that the embodiment of the present invention is provided, judges whether virtual disk to be migrated can move
It is dynamic；If virtual disk to be migrated can move, obtain comprising all candidate storage spaces for storing virtual disk to be migrated
Store list；Storage list is sent to user；The candidate storage space that reception user selects in list is stored is as mesh
Mark memory space；Virtual disk to be migrated is migrated to target storage space.From technical scheme provided by the invention, due to
Prejudge whether virtual disk to be migrated can move, void to be migrated is being stored comprising all it is determined that being obtained after mobile
Intend the storage list in the candidate storage space of disk, therefore when user selects any one candidate storage space in list is stored
During new memory space as virtual disk to be migrated, virtual disk to be migrated can be successfully migrated to the memory space
In, so as to ensure that the migration success rate of virtual disk, improve Consumer's Experience.
The embodiment of the present invention provides the moving method of another virtual disk, as shown in figure 3, this method includes：
Judge whether virtual disk can move (specific determination methods are with step 201~208).
If virtual disk can move, all M memory spaces in resource pool are obtained.
M memory space is traveled through, following process is carried out to each memory space (being denoted as i-th of memory space)：
Whether the current memory space for judging to store virtual disk to be migrated has mapping relations between virtual machine.
If mapping relations are not present between current memory space and virtual machine, whether just i-th of memory space (SRi) is judged
Often and whether it is not same memory space with current memory space (SR)；If have one no words continue to judge it is next
Memory space；If i-th of memory space (SRi) is added and stores list by both if being all.
If current memory space (SR) has mapping relations between virtual machine, the storage of current memory space (SR) is obtained
Type；If whether just the storage class of current memory space (SR) judges i-th of memory space (SRi) for type is locally stored
Often and whether it is shared storage class, if having one no, words continue to judge next memory space；If both are all yes
I-th of memory space (SRi) is added storage list by words.If the storage class of current memory space is shared storage class, sentence
The storage class of disconnected i-th of memory space (SRi)；If the storage class of i-th of memory space (SRi) is shared storage class,
Judge whether the state of i-th of memory space (SRi) is normal and whether be not that same storage is empty with current memory space (SR)
Between, if having one no, words continue to judge next memory space；If both be all if by i-th of memory space (SRi)
Add storage list；If the storage class of i-th of memory space (SRi) is that type is locally stored, acquisition and current memory space
The affiliated memory space that the virtual machine of mapping relations be present obtains memory space to be determined (SRv), judges i-th of memory space
(SRi) whether state is normal and be not same memory space with memory space to be determined (SRv), if there is one not to be
If continue to judge next memory space；If i-th of memory space (SRi) is added and stores list by both if being all.
The embodiment of the present invention provides a kind of moving apparatus of virtual disk, as shown in figure 4, the device 3 includes：
Judge module 31, for judging whether virtual disk to be migrated can move.
Acquisition module 32, if can be moved for virtual disk to be migrated, obtain comprising it is all store it is to be migrated virtual
The storage list in the candidate storage space of disk.
Sending module 33, for sending storage list to user.
Receiving module 34, the candidate storage space selected for receiving user in list is stored store as target
Space.
Processing module 35, for virtual disk to be migrated to be migrated to target storage space.
Further, judge module 31 is specifically used for：
Judge whether virtual disk to be migrated is empty.
Judge whether virtual disk to be migrated is in the lock state.
Judge whether virtual disk to be migrated is snapshot.
Judge whether virtual disk to be migrated is high availability disk.
Judge whether virtual disk to be migrated is stored with metadata.
Judge whether virtual disk to be migrated is instrument installation disk.
Whether the type for judging to store the memory space of virtual disk to be migrated is underlying storage type.
If virtual disk to be migrated is not sky, and is in unlocked state, and is not snapshot, and is not employed as High Availabitity
Property disk, and be not stored with metadata, and be not employed as instrument installation disk, and store the storage of virtual disk to be migrated
The type in space is not underlying storage type, determines that virtual disk to be migrated can move.
Further, acquisition module 32 includes：
Acquiring unit 321, for obtaining all M memory spaces in resource pool.
Judging unit 322, for judge successively in M memory space i-th memory space whether be can store it is to be migrated
The memory space of virtual disk；Wherein, i=1,2 ... M.
Determining unit 323, if being that can store virtual disk to be migrated for i-th of memory space in M memory space
Memory space, determine that i-th of memory space is candidate storage space in M memory space.
Processing unit 324, storage list is generated according to the candidate storage space of all determinations.
Further, judging unit 322 is specifically used for：
Whether the current memory space for judging to store virtual disk to be migrated has mapping relations between virtual machine.
It is empty according to i-th of storage in M memory space if mapping relations are not present between current memory space and virtual machine
Between state, and the relation of i-th of memory space and current memory space is judged i-th in M memory space in M memory space
Whether individual memory space is the memory space that can store virtual disk to be migrated.
It is individual according to the storage class of current memory space, M if mapping relations between current memory space and virtual machine be present
The storage class of i-th of memory space judges that M are deposited in the state of i-th memory space and M memory space in memory space
Store up whether i-th of memory space in space is the memory space that can store virtual disk to be migrated.
Further, judging unit 322 is specifically additionally operable to：
If mapping relations are not present between current memory space and virtual machine, judge that i-th of storage is empty in M memory space
Between state it is whether normal.
Judge whether i-th of memory space and current memory space are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same storage with current memory space
Space, determine that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
If mapping relations between current memory space and virtual machine be present, the storage class of current memory space is obtained.
If is type is locally stored in the storage class of current memory space, according to i-th of memory space in M memory space
State, and the storage class of i-th of memory space judges that i-th of memory space is in M memory space in M memory space
Enough store the memory space of virtual disk to be migrated.
If the storage class of current memory space is shared storage class, according to i-th of memory space in M memory space
Storage class judge whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
Further, judging unit 322 is specifically additionally operable to：
If the storage class of current memory space judges i-th of memory space in M memory space for type is locally stored
State it is whether normal.
Whether the storage class for judging i-th of memory space in M memory space is shared storage class.
If the state of i-th of memory space is normal in M memory space and is shared storage class, determine that M storage is empty
Between in i-th memory space be the memory space for enough storing virtual disk to be migrated.
If the storage class of current memory space is shared storage class, i-th of memory space in M memory space is obtained
Storage class.
If the storage class of i-th of memory space is shared storage class in M memory space, according to M memory space
In i-th of memory space state, and the relation of i-th of memory space and current memory space judges M in M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in memory space.
If is type is locally stored in the storage class of i-th of memory space in M memory space, according to M memory space
In i-th of memory space state, and the relation of i-th memory space and memory space to be determined judges M in M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in individual memory space；Wherein, storage to be determined
Space is the affiliated memory space for the virtual machine that mapping relations with current memory space be present.
Further, judging unit 322 is specifically additionally operable to：
If the storage class of i-th of memory space is shared storage class in M memory space, M memory space is judged
In i-th of memory space state it is whether normal.
Judge whether i-th of memory space and current memory space are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same storage with current memory space
Space, determine that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
If type, acquisition and current memory space is locally stored in the storage class of i-th of memory space in M memory space
The affiliated memory space of the virtual machine of mapping relations be present, obtain memory space to be determined.
Judge whether the state of i-th of memory space in M memory space is normal.
Judge whether i-th of memory space and memory space to be determined are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same deposit with memory space to be determined
Space is stored up, determines that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
The moving apparatus for the virtual disk that the embodiment of the present invention is provided, judges whether virtual disk to be migrated can move
It is dynamic；If virtual disk to be migrated can move, obtain comprising all candidate storage spaces for storing virtual disk to be migrated
Store list；Storage list is sent to user；The candidate storage space that reception user selects in list is stored is as mesh
Mark memory space；Virtual disk to be migrated is migrated to target storage space.From technical scheme provided by the invention, due to
Prejudge whether virtual disk to be migrated can move, void to be migrated is being stored comprising all it is determined that being obtained after mobile
Intend the storage list in the candidate storage space of disk, therefore when user selects any one candidate storage space in list is stored
During new memory space as virtual disk to be migrated, virtual disk to be migrated can be successfully migrated to the memory space
In, so as to ensure that the migration success rate of virtual disk, improve Consumer's Experience.
In actual applications, the judge module 31, acquisition module 32, acquiring unit 321, judging unit 322, determination are single
Member 323, processing unit 324, sending module 33, receiving module 34, processing module 35 can be by the migration dresses positioned at virtual disk
In putting central processing unit (Central Processing Unit, CPU), microprocessor (Micro Processor Unit,
MPU), digital signal processor (Digital Signal Processor, DSP) or field programmable gate array (Field
Programmable Gate Array, FPGA) etc. realize.
The embodiment of the present invention also provides a kind of moving apparatus of virtual disk, the device include memory, processor and
The computer program that can be run on a memory and on a processor is stored, when progress operating system login password is given for change, place
The step of reason device is realized when performing computer program includes：
Judge whether virtual disk to be migrated can move.
If virtual disk to be migrated can move, obtain empty comprising all candidate storages for storing virtual disk to be migrated
Between storage list.
Storage list is sent to user.
The candidate storage space that reception user selects in list is stored is as target storage space.
Virtual disk to be migrated is migrated to target storage space.
Further, the step of being realized during above-mentioned computing device computer program specifically includes：
Judge whether virtual disk to be migrated is empty.
Judge whether virtual disk to be migrated is in the lock state.
Judge whether virtual disk to be migrated is snapshot.
Judge whether virtual disk to be migrated is high availability disk.
Judge whether virtual disk to be migrated is stored with metadata.
Judge whether virtual disk to be migrated is instrument installation disk.
Whether the type for judging to store the memory space of virtual disk to be migrated is underlying storage type underlying storage type.
If virtual disk to be migrated is not sky, and is in unlocked state, and is not snapshot, and is not employed as High Availabitity
Property disk, and be not stored with metadata, and be not employed as instrument installation disk, and store the storage of virtual disk to be migrated
The type in space is not underlying storage type, determines that virtual disk to be migrated can move.
Further, the step of being realized during above-mentioned computing device computer program specifically also includes：
Obtain all M memory spaces in resource pool；
Judge whether i-th of memory space is the storage sky that can store virtual disk to be migrated in M memory space successively
Between；Wherein, i=1,2 ... M.
If i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space, M are determined
I-th of memory space is candidate storage space in memory space.
Storage list is generated according to the candidate storage space of all determinations.
Further, the step of being realized during above-mentioned computing device computer program specifically also includes：
Whether the current memory space for judging to store virtual disk to be migrated has mapping relations between virtual machine.
It is empty according to i-th of storage in M memory space if mapping relations are not present between current memory space and virtual machine
Between state, and the relation of i-th of memory space and current memory space is judged i-th in M memory space in M memory space
Whether individual memory space is the memory space that can store virtual disk to be migrated.
It is individual according to the storage class of current memory space, M if mapping relations between current memory space and virtual machine be present
The storage class of i-th of memory space judges that M are deposited in the state of i-th memory space and M memory space in memory space
Store up whether i-th of memory space in space is the memory space that can store virtual disk to be migrated.
Further, the step of being realized during above-mentioned computing device computer program specifically also includes：
If mapping relations are not present between current memory space and virtual machine, judge that i-th of storage is empty in M memory space
Between state it is whether normal.
Judge whether i-th of memory space and current memory space are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same storage with current memory space
Space, determine that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
If mapping relations between current memory space and virtual machine be present, the storage class of current memory space is obtained.
If is type is locally stored in the storage class of current memory space, according to i-th of memory space in M memory space
State, and the storage class of i-th of memory space judges that i-th of memory space is in M memory space in M memory space
Enough store the memory space of virtual disk to be migrated.
If the storage class of current memory space is shared storage class, according to i-th of memory space in M memory space
Storage class judge whether i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
Further, the step of being realized during above-mentioned computing device computer program specifically also includes：
If the storage class of current memory space judges i-th of memory space in M memory space for type is locally stored
State it is whether normal.
Whether the storage class for judging i-th of memory space in M memory space is shared storage class.
If the state of i-th of memory space is normal in M memory space and is shared storage class, determine that M storage is empty
Between in i-th memory space be the memory space for enough storing virtual disk to be migrated.
If the storage class of current memory space is shared storage class, i-th of memory space in M memory space is obtained
Storage class.
If the storage class of i-th of memory space is shared storage class in M memory space, according to M memory space
In i-th of memory space state, and the relation of i-th of memory space and current memory space judges M in M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in memory space.
If is type is locally stored in the storage class of i-th of memory space in M memory space, according to M memory space
In i-th of memory space state, and the relation of i-th memory space and memory space to be determined judges M in M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in individual memory space；Wherein, storage to be determined
Space is the affiliated memory space for the virtual machine that mapping relations with current memory space be present.
Further, the step of being realized during above-mentioned computing device computer program specifically also includes：
If the storage class of i-th of memory space is shared storage class in M memory space, M memory space is judged
In i-th of memory space state it is whether normal.
Judge whether i-th of memory space and current memory space are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same storage with current memory space
Space, determine that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
If type, acquisition and current memory space is locally stored in the storage class of i-th of memory space in M memory space
The affiliated memory space of the virtual machine of mapping relations be present, obtain memory space to be determined.
Judge whether the state of i-th of memory space in M memory space is normal.
Judge whether i-th of memory space and memory space to be determined are same memory space in M memory space.
If the state of i-th of memory space is normal in M memory space and is not same deposit with memory space to be determined
Space is stored up, determines that i-th of memory space is the memory space that can store virtual disk to be migrated in M memory space.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention and use
Embodiment, it is not limited to the present invention.Technical staff in any art of the present invention, taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of moving method of virtual disk, it is characterised in that methods described includes：
Judge whether virtual disk to be migrated can move；
If the virtual disk to be migrated can move, obtain and store alternatively depositing for the virtual disk to be migrated comprising all
Store up the storage list in space；
The storage list is sent to user；
The user is received in the candidate storage space selected in list that stores as target storage space；
The virtual disk to be migrated is migrated to the target storage space.
2. moving method according to claim 1, it is characterised in that described to judge whether virtual disk to be migrated move
It is dynamic, including：
Judge whether the virtual disk to be migrated is empty；
Judge whether the virtual disk to be migrated is in the lock state；
Judge whether the virtual disk to be migrated is snapshot；
Judge whether the virtual disk to be migrated is high availability disk；
Judge whether the virtual disk to be migrated is stored with metadata；
Judge whether the virtual disk to be migrated is instrument installation disk；
Whether the type for judging to store the memory space of the virtual disk to be migrated is underlying storage type；
If the virtual disk to be migrated is not sky, and is in unlocked state, and is not the snapshot, and is not employed as institute
High availability disk is stated, and is not stored with the metadata, and is not employed as instrument installation disk, and waits to move described in storage
The type for moving the memory space of virtual disk is not the underlying storage type, determines that the virtual disk to be migrated can move
It is dynamic.
3. moving method according to claim 1, it is characterised in that it is described obtain comprising it is all store it is to be migrated virtual
The storage list in the candidate storage space of disk, including：
Obtain all M memory spaces in resource pool；
Judge whether i-th of memory space is that can store depositing for the virtual disk to be migrated in the M memory space successively
Store up space；Wherein, i=1,2 ... M；
If i-th of memory space is the memory space that can store the virtual disk to be migrated in the M memory space, it is determined that
I-th of memory space is the candidate storage space in the M memory space；
The storage list is generated according to the candidate storage space of all determinations.
4. moving method according to claim 3, it is characterised in that described to judge in M memory space to deposit for i-th successively
Store up whether space is the memory space that can store virtual disk to be migrated, including：
Whether the current memory space for judging to store the virtual disk to be migrated has mapping relations between virtual machine；
If mapping relations are not present between the current memory space and the virtual machine, according to i-th in the M memory space
I-th of memory space and the relation of the current memory space judge in the state of individual memory space, and the M memory space
Whether i-th of memory space is the memory space that can store the virtual disk to be migrated in the M memory space；
If mapping relations be present between the current memory space and the virtual machine, according to the storage of the current memory space
I-th memory space is deposited in the state of i-th memory space and the M memory space in type, the M memory space
Storage type judges whether i-th of memory space is the storage that can store the virtual disk to be migrated in the M memory space
Space.
5. moving method according to claim 4, it is characterised in that if the current memory space with it is described virtual
Mapping relations are not present between machine, according to i-th in the state of i-th of memory space in M memory space, and M memory space
The relation of individual memory space and current memory space judges whether i-th of memory space is that can store to wait to move in M memory space
The memory space of virtual disk is moved, including：
If mapping relations are not present between the current memory space and the virtual machine, judge i-th in the M memory space
Whether the state of individual memory space is normal；
Judge whether i-th of memory space and the current memory space are same memory space in the M memory space；
If the state of i-th of memory space is normal in the M memory space and is not same with the current memory space
Memory space, determine that i-th of memory space is the storage sky that can store the virtual disk to be migrated in the M memory space
Between.
6. moving method according to claim 4, it is characterised in that if the current memory space with it is described virtual
Mapping relations between machine be present, according to the shape of i-th of memory space in the storage class of current memory space, M memory space
In state and M memory space the storage class of i-th of memory space judge in M memory space i-th memory space whether be
The memory space of virtual disk to be migrated can be stored, including：
If mapping relations be present between the current memory space and the virtual machine, the storage of the current memory space is obtained
Type；
If is type is locally stored in the storage class of the current memory space, according to i-th of storage in the M memory space
The storage class of i-th of memory space is judged i-th in the M memory space in the state in space, and the M memory space
Individual memory space is the memory space for enough storing the virtual disk to be migrated；
If the storage class of the current memory space is shared storage class, according to i-th of storage in the M memory space
The storage class in space judges whether i-th of memory space is that can store the virtual magnetic to be migrated in the M memory space
The memory space of disk.
7. moving method according to claim 6, it is characterised in that if the storage class of the current memory space is this
Ground storage class, according to i-th of memory space in the state of i-th of memory space in M memory space, and M memory space
Storage class judge in M memory space i-th of memory space enough to store the memory space of virtual disk to be migrated, wrap
Include：
If the storage class of the current memory space judges i-th of storage in the M memory space for type is locally stored
Whether the state in space is normal；
Whether the storage class for judging i-th of memory space in the M memory space is shared storage class；
If the state of i-th of memory space is normal in the M memory space and is the shared storage class, the M is determined
I-th of memory space is the memory space for enough storing the virtual disk to be migrated in individual memory space.
8. moving method according to claim 6, it is characterised in that if the storage class of the current memory space is common
Storage class is enjoyed, i-th of storage in M memory space is judged according to the storage class of i-th of memory space in M memory space
Whether space is the memory space that can store virtual disk to be migrated, including：
If the storage class of the current memory space is shared storage class, i-th of storage in the M memory space is obtained
The storage class in space；
If the storage class of i-th of memory space is shared storage class in the M memory space, according to described M storage
I-th of memory space and the current memory space in the state of i-th of memory space in space, and the M memory space
Relation judge whether i-th of memory space is the storage that can store the virtual disk to be migrated in the M memory space
Space；
If is type is locally stored in the storage class of i-th of memory space in the M memory space, according to described M storage
I-th of memory space and memory space to be determined in the state of i-th of memory space in space, and the M memory space
Relation judges whether i-th of memory space is the storage sky that can store the virtual disk to be migrated in the M memory space
Between；Wherein, the memory space to be determined is the affiliated storage for the virtual machine that mapping relations with the current memory space be present
Space.
9. moving method according to claim 8, it is characterised in that if i-th of memory space in the M memory space
Storage class be shared storage class, according in the state of i-th of memory space in M memory space, and M memory space
The relation of i-th of memory space and current memory space judges whether i-th of memory space is that can store to treat in M memory space
The memory space of virtual disk is migrated, including：
If the storage class of i-th of memory space is shared storage class in the M memory space, the M storage is judged
Whether the state of i-th of memory space is normal in space；
Judge whether i-th of memory space and the current memory space are same memory space in the M memory space；
If the state of i-th of memory space is normal in the M memory space and is not same with the current memory space
Memory space, determine that i-th of memory space is the storage sky that can store the virtual disk to be migrated in the M memory space
Between；
If is type is locally stored in the storage class of i-th of memory space in the M memory space, according to M memory space
In i-th of memory space state, and the relation of i-th memory space and memory space to be determined judges M in M memory space
Whether i-th of memory space is the memory space that can store virtual disk to be migrated in individual memory space, including：
If the storage class of i-th of memory space is locally stored type in the M memory space, obtain with it is described currently stored
There is the affiliated memory space of the virtual machine of mapping relations in space, obtain memory space to be determined；
Judge whether the state of i-th of memory space in the M memory space is normal；
Judge whether i-th of memory space and the memory space to be determined are that same storage is empty in the M memory space
Between；
If the state of i-th of memory space is normal in the M memory space and is not same with the memory space to be determined
Individual memory space, determine that i-th of memory space is the storage that can store the virtual disk to be migrated in the M memory space
Space.
10. a kind of moving apparatus of virtual disk, it is characterised in that described device includes：
Judge module, for judging whether virtual disk to be migrated can move；
Acquisition module, if can be moved for the virtual disk to be migrated, obtain and store the void to be migrated comprising all
Intend the storage list in the candidate storage space of disk；
Sending module, for sending the storage list to user；
Receiving module, deposited for receiving the candidate storage space that the user selects in the storage list as target
Store up space；
Processing module, for the virtual disk to be migrated to be migrated to the target storage space.
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