CN105528302B - A kind of method and system of the dynamic hyperdisk of logic-based volume - Google Patents
A kind of method and system of the dynamic hyperdisk of logic-based volume Download PDFInfo
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- CN105528302B CN105528302B CN201510876769.4A CN201510876769A CN105528302B CN 105528302 B CN105528302 B CN 105528302B CN 201510876769 A CN201510876769 A CN 201510876769A CN 105528302 B CN105528302 B CN 105528302B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0615—Address space extension
- G06F12/0623—Address space extension for memory modules
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
Abstract
The invention discloses a kind of method and system of the dynamic hyperdisk of logic-based volume, which comprises is in advance each logical volume configuration storage space size, establishes the mapping table of the amount of physical memory of logical volume and disk；When the amount of physical memory dilatation or reduction for detecting disk, rearranging logic rolls up storage size, the mapping table of more new logical volumes and amount of physical memory.The present invention is by pre-establishing the corresponding relationship of logical volume and amount of physical memory in disk, and when there is a TF memory card to be pulled out extremely, other TF memory cards be can be used normally, and realize the dynamic management of disk.
Description
Technical field
The present invention relates to a kind of methods for the dynamic hyperdisk that disk management technical field more particularly to logic-based are rolled up
And system.
Background technique
With the fast development of smart television, the update of hardware upgrades, and smart television can support multiple TF to store
Block (TF memory card), a TF memory card can correspond in systems is associated with a file, inside user's operation TF memory card
Content just need to only operate the content of respective file underedge.However it ought wherein a TF memory card memory space residue seldom, need
When the size of data of deposit is greater than this TF memory card remaining space, another TF for having extra memory space can only be just stored
Memory card, the remaining space of previous TF memory card is with regard to useless, and there have been redundant storage spaces in this way, in order to fill
Divide and utilize memory space, logical volume management LVM(Logical Volume Manager then occur), as shown in Figure 1.
LVM melts the memory space of every TF memory card (a TF memory card is segmented into one or more physical volume PV)
A storage pool volume group VG is synthesized, decomposites the logical volume LV in any space of meet demand again by VG, every LV is in system
One file (LV first has to format the LV before being associated with file for the first time) of middle corresponding association, same user's operation TF
Content inside memory card just need to only operate the content inside these files.It, can also be at any time after logic volume space distributes
Change can be given the remaining space of LV1 by LVM management such as when the remaining space of a wherein logical volume LV1 is few
The case where other logical volumes, thus there is no small space wastes.After establishing LVM management, it is desirable to increase and replacement TF is stored up
Depositing card can easily complete, however LVM does not support the reduction of physical volume PV at present, i.e., has merged when establishing LVM more
A PV can only first be increased newly if it is desired to removing a wherein PV by opening PV, PV content all of the above be copied to new PV, so
The PV can just be removed afterwards.In this way if being fused into a VG by multiple TF memory cards when establishing LVM, when pulling out a wherein TF
After memory card (correspondence removes one or more PV), it is switched on again after shut down and does not plug the TF memory card being unplugged, at this moment
The VG having built up before shutdown cannot successfully load (the corresponding PV of the TF memory card has been not present), this results in LV can not
Normal load, namely can be operated without corresponding file, causing can not be to the content operation in other TF memory cards.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of the deficiencies in the prior art, it is an object of that present invention to provide a kind of sides of the dynamic hyperdisk of logic-based volume
Method and system, it is intended to solve in the prior art after a physical disk of intelligent terminal removes, other physical disks can not be just
The defect being often used.
Technical scheme is as follows:
The method of the dynamic hyperdisk of a kind of logic-based volume, wherein method includes:
A, it is in advance each logical volume configuration storage space size, establishes the amount of physical memory of each logical volume and disk
Mapping table；
B, when the logical space dilatation for the disk for detecting intelligent terminal or reduction, each logical volume storage is reconfigured
Space size updates the mapping table of each logical volume and amount of physical memory.
The method of the dynamic hyperdisk of the logic-based volume, wherein the step A is specifically included:
A1, logical volume is divided into several logical blocks in advance；
A2, when for each logical volume configuration storage space size, the physical store for establishing each logical volume and disk is empty
Between mapping table, record logical volume in the corresponding disk of each logical block amount of physical memory information.
The method of the dynamic hyperdisk of the logic-based volume, wherein the disk is the memory card of intelligent terminal.
The method of the dynamic hyperdisk of the logic-based volume, wherein the disk of intelligent terminal in the step B
Logical space dilatation is specially that intelligent terminal has new memory card insertion, and the logical space reduction of the disk of intelligent terminal is specially
Intelligent terminal has memory card extraction.
The method of the dynamic hyperdisk of the logic-based volume, wherein the step B is specifically included:
B1, when detect intelligent terminal memory card be pulled out after, in the mapping table inquiry whether there is and quilt
Logical block in the corresponding logical volume of the memory card of extraction；
B2, if it exists, then unload the corresponding file system of logical volume, corresponding logical block removed from logical volume, reduces
The corresponding storage size of logical volume；
B3, the corresponding all amount of physical memory of the memory card pulled out are removed from storage pool volume group；
After the completion of B4, unloading, if removing in the logical volume after corresponding logical block, there is also remaining logical blocks, again
Logical volume after the corresponding logical block of removal is mounted in file system；
B5, the corresponding disk symbol of memory card is removed；
B6, the mapping table for updating the amount of physical memory of each logical block and disk in each logical volume.
The system of the dynamic hyperdisk of a kind of logic-based volume, wherein system includes:
Corresponding relation building module establishes each logical volume for being in advance each logical volume configuration storage space size
With the mapping table of the amount of physical memory of disk；
Control module, it is every for reconfiguring when the logical space dilatation for the disk for detecting intelligent terminal or reduction
A logical volume storage space size, updates the mapping table of each logical volume and amount of physical memory.
The system of the dynamic hyperdisk of the logic-based volume, wherein the corresponding relation building module is specifically wrapped
It includes:
Preparatory blocking unit, for logical volume to be divided into several logical blocks in advance；
Correspondence relationship establishing unit, for establishing each logical volume when for each logical volume configuration storage space size
With the mapping table of the amount of physical memory of disk, the physics for recording the corresponding disk of each logical block in logical volume is deposited
Store up spatial information.
The system of the dynamic hyperdisk of the logic-based volume, wherein the disk is the memory card of intelligent terminal.
The system of the dynamic hyperdisk of the logic-based volume, wherein the magnetic of intelligent terminal in the control module
The logical space dilatation of disk is specially that intelligent terminal has new memory card insertion, and the logical space of the disk of intelligent terminal reduces tool
Body is that intelligent terminal has memory card extraction.
The system of the dynamic hyperdisk of the logic-based volume, wherein the control module specifically includes:
Detection and searching unit, for when detection intelligent terminal memory card be pulled out after, in the mapping table
Inquiry is with the presence or absence of the logical block in logical volume corresponding with the memory card being pulled out；
Unloading unit, for if it exists, then unloading the corresponding file system of logical volume, being removed from logical volume corresponding
Logical block reduces the corresponding storage size of logical volume；
Amount of physical memory removes unit, for removing the corresponding all objects of memory card pulled out from storage pool volume group
Manage memory space；
Logical volume carry unit, after the completion of unloading, if removing in the logical volume after corresponding logical block, there is also surplus
Remaining logical block is then mounted to the logical volume after the corresponding logical block of removal in file system again；
Disk symbol removes unit, for removing the corresponding disk symbol of memory card；
Updating unit, for updating the corresponding relationship of the amount of physical memory of each logical block and disk in each logical volume
Table.
The present invention provides a kind of method and system of the dynamic hyperdisk of logic-based volume, which comprises pre-
It is first each logical volume configuration storage space size, establishes the mapping table of the amount of physical memory of logical volume and disk；When
Detect disk amount of physical memory dilatation or reduction when, rearranging logic roll up storage size, more new logical volumes with
The mapping table of amount of physical memory.By pre-establishing, logical volume in disk is corresponding with amount of physical memory to close the present invention
System, when there is a TF memory card to be pulled out extremely, other TF memory cards be can be used normally, and realize the dynamic management of disk.
Detailed description of the invention
Fig. 1 is logical volume management model in the prior art.
Fig. 2 is the flow chart of the preferred embodiment of the method for the dynamic hyperdisk that a kind of logic-based of the invention is rolled up.
Fig. 3 is the logic of the concrete application embodiment of the method for the dynamic hyperdisk that a kind of logic-based of the invention is rolled up
The corresponding relationship of block and amount of physical memory.
Fig. 4 is the principle of work and power of the preferred embodiment of the system for the dynamic hyperdisk that a kind of logic-based of the invention is rolled up
Block diagram.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, below to the present invention further specifically
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of flow charts of the preferred embodiment of the method for the dynamic hyperdisk of logic-based volume, such as
Shown in Fig. 2, which comprises
Step S100, it is in advance each logical volume configuration storage space size, establishes the physics of each logical volume and disk
The mapping table of memory space.
When it is implemented, the disk is the memory card of intelligent terminal.Wherein memory card includes but is not limited to TF memory card.
Wherein TF memory card is denoted as TF-CARD again.When configuring logical volume LV storage size, a relationship is established for each LV
Table records the corresponding PV information of each piece of LE in LV (there are corresponding relationships with PV for TF memory card).Intelligent terminal be smart television,
The mobile terminals such as mobile phone, plate.
Step S200, when the logical space dilatation for the disk for detecting intelligent terminal or reduction, each patrol is reconfigured
Volume storage size is collected, the mapping table of each logical volume and amount of physical memory is updated.
When it is implemented, the synchronized update table is required when carrying out dilatation and reduction to LV storage size every time,
Just know clearly which LE needed to unload when pulling out TF memory card in this way.
In further embodiment, the step S100 is specifically included:
Step S101, logical volume is divided into several logical blocks in advance；
Step S102, when for each logical volume configuration storage space size, the physics of each logical volume and disk is established
The mapping table of memory space records the amount of physical memory information of the corresponding disk of each logical block in logical volume.
When it is implemented, as shown in figure 3, logical volume LV is composed of a series of logical block LE.That is first logic
There are two LE in three LE in volume LV1, the second logical volume LV2.When for each LV configuration storage space size, built for each LV
A relation table is found, the corresponding PV information of each piece of LE in LV is recorded.
Specifically, wherein in the step S200 logical space dilatation of the disk of intelligent terminal be specially that intelligent terminal has
New memory card insertion, the logical space reduction of the disk of intelligent terminal are specially that intelligent terminal has memory card extraction.
In further embodiment, then step S200 is specifically included:
Step S201, it after the memory card for detecting intelligent terminal is pulled out, inquires and whether deposits in the mapping table
Logical block in logical volume corresponding with the memory card being pulled out；
Step S202, the corresponding file system of logical volume if it exists, is then unloaded, corresponding logic is removed from logical volume
Block reduces the corresponding storage size of logical volume；
Step S203, the corresponding all amount of physical memory of the memory card pulled out are removed from storage pool volume group；
Step S204, after the completion of unloading, if removing in the logical volume after corresponding logical block there is also remaining logical block,
Then the logical volume after the corresponding logical block of removal is mounted in file system again；
Step S205, the corresponding disk symbol of memory card is removed；
Step S206, the mapping table of the amount of physical memory of each logical block and disk in each logical volume is updated.
When it is implemented, the TF memory card is denoted as when detecting that one of TF memory card in intelligent terminal is unplugged
First TF memory card first searches the corresponding LE of the TF memory card from the relation table in each LV, if in entire logical volume LV
There is no corresponding LE, then explanation continues to execute next logical volume LV without influence on logical volume LV.
If finding corresponding LE, the corresponding file system of the LV is first unloaded, then remove the LE from LV, reduced simultaneously
The corresponding storage size of the LV, continues to search, after the completion of searching to the LV.Next LV is continued to execute, until all LV
Execute completion.
The corresponding all PV of the TF memory card pulled out are removed from VG, in the logical volume LV after the corresponding logical block of the removal
There remains logical block LE, then logical volume LV is mounted in file system again, does not otherwise have to carry again；Remove TF
The corresponding disk symbol of memory card.
By above method embodiment it is found that the present invention provides a kind of method of the dynamic hyperdisk of logic-based volume,
It is in advance each logical volume configuration storage space size, establishes the mapping table of the amount of physical memory of logical volume and disk；
When the amount of physical memory dilatation or reduction for detecting disk, rearranging logic rolls up storage size, more new logical volumes
With the mapping table of amount of physical memory.The present invention is by being defined in logical volume management LVM using opening relationships table dynamic
Storage pool volume group VG capacity mechanism is reduced, is realized after having a disk for example TF memory card is unplugged, other disks such as TF memory card
It can be used normally, provided convenience for user using intelligent terminal.
On the basis of above method embodiment, the present invention also provides a kind of dynamic hyperdisks of logic-based volume
The functional schematic block diagram of the preferred embodiment of system, as shown in figure 4, the system comprises:
Corresponding relation building module 100 establishes each logic for being in advance each logical volume configuration storage space size
The mapping table of volume and the amount of physical memory of disk；As detailed above.
Control module 200, for reconfiguring when the logical space dilatation for the disk for detecting intelligent terminal or reduction
Each logical volume storage space size, updates the mapping table of each logical volume and amount of physical memory；As detailed above.
The system of the dynamic hyperdisk of the logic-based volume, wherein the corresponding relation building module is specifically wrapped
It includes:
Preparatory blocking unit, for logical volume to be divided into several logical blocks in advance；As detailed above.
Correspondence relationship establishing unit, for establishing each logical volume when for each logical volume configuration storage space size
With the mapping table of the amount of physical memory of disk, the physics for recording the corresponding disk of each logical block in logical volume is deposited
Store up spatial information；As detailed above.
The system of the dynamic hyperdisk of the logic-based volume, wherein the disk is the memory card of intelligent terminal；
As detailed above.
The system of the dynamic hyperdisk of the logic-based volume, wherein the magnetic of intelligent terminal in the control module
The logical space dilatation of disk is specially that intelligent terminal has new memory card insertion, and the logical space of the disk of intelligent terminal reduces tool
Body is that intelligent terminal has memory card extraction；As detailed above.
The system of the dynamic hyperdisk of the logic-based volume, wherein the control module specifically includes:
Detection and searching unit, for when detection intelligent terminal memory card be pulled out after, in the mapping table
Inquiry is with the presence or absence of the logical block in logical volume corresponding with the memory card being pulled out；As detailed above.
Unloading unit, for if it exists, then unloading the corresponding file system of logical volume, being removed from logical volume corresponding
Logical block reduces the corresponding storage size of logical volume；As detailed above.
Amount of physical memory removes unit, for removing the corresponding all objects of memory card pulled out from storage pool volume group
Manage memory space；As detailed above.
Logical volume carry unit, after the completion of unloading, if removing in the logical volume after corresponding logical block, there is also surplus
Remaining logical block is then mounted to the logical volume after the corresponding logical block of removal in file system again；As detailed above.
Disk symbol removes unit, for removing the corresponding disk symbol of memory card；As detailed above.
Updating unit, for updating the corresponding relationship of the amount of physical memory of each logical block and disk in each logical volume
Table；As detailed above.
In conclusion the present invention provides a kind of method and system of the dynamic hyperdisk of logic-based volume, the side
Method includes: that it is corresponding with the amount of physical memory of disk to establish logical volume for each logical volume configuration storage space size in advance
Relation table；When the amount of physical memory dilatation or reduction for detecting disk, rearranging logic rolls up storage size, updates
The mapping table of logical volume and amount of physical memory.The present invention is by pre-establishing logical volume and amount of physical memory in disk
Corresponding relationship, when there is a TF memory card to be pulled out extremely, other TF memory cards be can be used normally, and realize the dynamic of disk
Management.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (2)
1. a kind of method of the dynamic hyperdisk of logic-based volume, which is characterized in that method includes:
A, it is in advance each logical volume configuration storage space size, establishes pair of the amount of physical memory of each logical volume and disk
Answer relation table；
B, when the logical space dilatation for the disk for detecting intelligent terminal or reduction, each logical volume storage space is reconfigured
Size updates the mapping table of each logical volume and amount of physical memory；
The logical space dilatation of the disk of intelligent terminal is specially that intelligent terminal has new memory card insertion, the disk of intelligent terminal
Logical space reduction be specially intelligent terminal have memory card extraction；
The step B is specifically included:
B1, when detect intelligent terminal memory card be pulled out after, in the mapping table inquiry whether there is and be pulled out
The corresponding logical volume of memory card in logical block；
B2, if it exists, then unload the corresponding file system of logical volume, and corresponding logical block is removed from logical volume, reduces logic
Roll up corresponding storage size；
B3, the corresponding all amount of physical memory of the memory card pulled out are removed from storage pool volume group；
After the completion of B4, unloading, if removing in the logical volume after corresponding logical block, there is also remaining logical blocks, again shifting
Except the logical volume after corresponding logical block is mounted in file system；
B5, the corresponding disk symbol of memory card is removed；
B6, the mapping table for updating the amount of physical memory of each logical block and disk in each logical volume；
The step A is specifically included:
A1, logical volume is divided into several logical blocks in advance；
A2, when for each logical volume configuration storage space size, establish the amount of physical memory of each logical volume and disk
Mapping table records the amount of physical memory information of the corresponding disk of each logical block in logical volume.
2. a kind of system of the dynamic hyperdisk of logic-based volume, which is characterized in that system includes:
Corresponding relation building module establishes each logical volume and magnetic for being in advance each logical volume configuration storage space size
The mapping table of the amount of physical memory of disk；
Control module, for reconfiguring each patrol when the logical space dilatation for the disk for detecting intelligent terminal or reduction
Volume storage size is collected, the mapping table of each logical volume and amount of physical memory is updated；
The logical space dilatation of the disk of intelligent terminal is specially that intelligent terminal has new memory card insertion in the control module,
The logical space reduction of the disk of intelligent terminal is specially that intelligent terminal has memory card extraction；
The control module specifically includes:
Detection and searching unit, for being inquired in the mapping table after memory card for detecting intelligent terminal is pulled out
With the presence or absence of the logical block in logical volume corresponding with the memory card being pulled out；
Unloading unit, for if it exists, then unloading the corresponding file system of logical volume, corresponding logic being removed from logical volume
Block reduces the corresponding storage size of logical volume；
Amount of physical memory removes unit, deposits for removing the corresponding all physics of memory card pulled out from storage pool volume group
Store up space；
Logical volume carry unit, after the completion of unloading, if removing in the logical volume after corresponding logical block, there is also remaining
Logical block is then mounted to the logical volume after the corresponding logical block of removal in file system again；
Disk symbol removes unit, for removing the corresponding disk symbol of memory card；
Updating unit, for updating the mapping table of the amount of physical memory of each logical block and disk in each logical volume；
The corresponding relation building module specifically includes:
Preparatory blocking unit, for logical volume to be divided into several logical blocks in advance；
Correspondence relationship establishing unit, for establishing each logical volume and magnetic when for each logical volume configuration storage space size
The mapping table of the amount of physical memory of disk, the physical store for recording the corresponding disk of each logical block in logical volume are empty
Between information.
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| CN106815024B (en) * | 2017-01-12 | 2021-03-23 | 惠州Tcl移动通信有限公司 | Method and system for optimizing starting time of mobile terminal |
| CN108874317A (en) * | 2018-06-07 | 2018-11-23 | 郑州云海信息技术有限公司 | The automatic flash chamber of logical volume subregion and method under a kind of linux system |
| CN109085999B (en) * | 2018-06-15 | 2022-04-22 | 华为技术有限公司 | Data processing method and processing system |
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| CN101620569A (en) * | 2008-07-03 | 2010-01-06 | 英业达股份有限公司 | Expansion method of logical volume storage space |
| CN101625628A (en) * | 2009-08-17 | 2010-01-13 | 宋振华 | Method for realizing customization of mapping of logical volume manager (LVM) |
| CN101650690A (en) * | 2009-09-21 | 2010-02-17 | 中兴通讯股份有限公司 | Application method of large-capacity memory card as well as mobile terminal |
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| US20060136525A1 (en) * | 2004-12-21 | 2006-06-22 | Jens-Peter Akelbein | Method, computer program product and mass storage device for dynamically managing a mass storage device |
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|---|---|---|---|---|
| CN101620569A (en) * | 2008-07-03 | 2010-01-06 | 英业达股份有限公司 | Expansion method of logical volume storage space |
| CN101625628A (en) * | 2009-08-17 | 2010-01-13 | 宋振华 | Method for realizing customization of mapping of logical volume manager (LVM) |
| CN101650690A (en) * | 2009-09-21 | 2010-02-17 | 中兴通讯股份有限公司 | Application method of large-capacity memory card as well as mobile terminal |
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