CN109614053A - A kind of method and apparatus extending KVM magnetic disk of virtual machine subregion - Google Patents
A kind of method and apparatus extending KVM magnetic disk of virtual machine subregion Download PDFInfo
- Publication number
- CN109614053A CN109614053A CN201811539565.1A CN201811539565A CN109614053A CN 109614053 A CN109614053 A CN 109614053A CN 201811539565 A CN201811539565 A CN 201811539565A CN 109614053 A CN109614053 A CN 109614053A
- Authority
- CN
- China
- Prior art keywords
- disk
- virtual machine
- kvm
- partition
- extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0644—Management of space entities, e.g. partitions, extents, pools
-
- 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
- G06F3/0664—Virtualisation aspects at device level, e.g. emulation of a storage device or system
-
- 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
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
- G06F3/0676—Magnetic disk device
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The embodiment of the invention discloses a kind of method and apparatus for extending KVM magnetic disk of virtual machine subregion, the described method includes: being pre-processed to the virtual machine KVM disk based on kernel, to obtain the parameter of source virtual disk and the parameter of user's transmitting, judge whether disk partition is expansible according to the parameter of acquisition, and the new disk to be extended is created；The adjustment for realizing disk partition size is adjusted by disk partition size Resize；The recovery of data is carried out after disk partition extension to ensure legacy data noresidue.The embodiment of the present invention can carry out dynamic adjustment or dilatation to some partition size of magnetic disk of virtual machine in the case where not influencing magnetic disk of virtual machine subregion.
Description
Technical field
The present invention relates to cloud computing technology, espespecially a kind of method and apparatus for extending KVM magnetic disk of virtual machine subregion.
Background technique
With popularizing for informationization technology, information system is carried out in most governments, army and enterprises and institutions
Deployment and application, and as the development of cloud computing, the concept of cloud and the development of virtualization technology have been rooted in the hearts of the people, Some Enterprises
Traditional server is moved into cloud environment, with virtual machine provide infrastructures i.e. service (IaaS) form be delivered for use.
Virtual platform is a kind of application virtualization platform software, and major function is to provide optimum performance, flexibly and fast
Application delivery service.Virtual machine (Virtual Machine, VM), which refers to, has complete hardware system function by what software was simulated
Can, operate in complete computer system in a completely isolated environment.Virtual machine (Kernel-based based on kernel
Virtual Machine, KVM) it is the system virtualization module increased income.
Be for user in the hardware realization of virtual machine level virtual machine it is transparent, user can not perceive system software
And application software operates on physical hardware or on virtual hardware, this can facilitate user installation to meet hardware feature
Basic software, such as the window system of x86 framework, linux system, linux system, the Android system of ARM framework etc..It is existing
Cloud platform environment can distribute according to need computing resource and storage resource according to the demand of user, but in some cases, such as
Fruit distributes to upgrading of the storage resource of virtual machine due to user to store function demand, needs more storage resources, but
It is not desired to destroy existing disk partition structure, guarantees the normal use of virtual machine internal system, there is an urgent need to one kind to expand by user
Virtual disk partition method is opened up, can be realized the size that dynamic adjusts disk partition.
Virtual opetrating system simulator qemu is a kind of virtual machine simulator that pure software is realized, can almost be simulated any
Hardware device, existing cloud platform environment are largely also to be built by way of qemu+KVM, and qemu open source projects exist
While the various hardware of virtualization are provided, a series of virtual machine chemical industry tool is also provided, such as disk management tool qemu-img
The virtual disk files of qcow2, raw type used in KVM virtual machine can be used to create, while qemu-img also provides void
The function of quasi- machine disk file extension, magnetic disk of virtual machine file can be expanded or shunk.
But qemu-img can only be expanded or shunk for entire virtual disk, can't be according to virtual disk inside
File system and partition table are adjusted virtual partition.Therefore, the utilization rate of storage resource is low in prior art cloud environment, cloud
Environment operation cost is high, stability is poor.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of sides for extending KVM magnetic disk of virtual machine subregion
Method and device, can in the case where not influencing magnetic disk of virtual machine subregion, can some partition size to magnetic disk of virtual machine into
Mobile state adjustment or dilatation.
In order to reach the object of the invention, on the one hand, the embodiment of the invention provides a kind of extension KVM magnetic disk of virtual machine subregions
Method, comprising:
Virtual machine KVM disk based on kernel is pre-processed, is passed with obtaining parameter and the user of source virtual disk
The parameter passed judges whether disk partition is expansible according to the parameter of acquisition, and creates to the new disk to be extended；
The adjustment for realizing disk partition size is adjusted by disk partition size Resize；
The recovery of data is carried out after disk partition extension to ensure legacy data noresidue.
Further, the method also includes:
Abnormality processing is carried out if there is mistake during the entire process of virtual disk partition extends.
Further, the described pair of virtual machine KVM disk based on kernel, which pre-process, includes:
Disk size, disk type, file system, the disk partition situation for obtaining virtual disk, create new virtual machine
The type of disk, virtual machine extension.
It is further, described that the adjustment for realizing disk partition size is adjusted by disk partition size Resize further include:
The parameter that preprocessing process passes over is obtained, and sets up different orders；
According to the customer parameter and command parameter passed over, the disk partition of new size is created on the new disk；
By all being copied in new disk partition in the form of byte stream for legacy data.
Further, the recovery of data is carried out after disk partition extension to ensure that legacy data noresidue is also wrapped
It includes:
Rename new virtual disk；
Start virtual machine and carries out data test；
After test passes through, original virtual disk is deleted.
Further, described to carry out abnormality processing packet if there is mistake during the entire process of virtual disk partition extends
It includes:
The exception information for capturing upper layer transfers, carries out rolling back action if there is faulty operation immediately, operation recovery is arrived
Initial conditions.
On the other hand, the embodiment of the invention also provides a kind of devices for extending KVM magnetic disk of virtual machine subregion, comprising:
Preprocessing module, for being pre-processed to the virtual machine KVM disk based on kernel, to obtain source virtual disk
Parameter and the parameter of user's transmitting, judge whether disk partition is expansible according to the parameter of acquisition, and to the new magnetic to be extended
Disk is created；
Partition size adjusts Resize module, for realizing disk partition size by disk partition size Resize adjustment
Adjustment；
The recovery of data is carried out after disk partition extension to ensure legacy data noresidue.
Further, described device further include:
Exception processing module, for carrying out exception if there is mistake during the entire process of virtual disk partition extends
Reason.
Further, the preprocessing module is used for:
Disk size, disk type, file system, the disk partition situation for obtaining virtual disk, create new virtual machine
The type of disk, virtual machine extension.
Further, the Resize module is used for:
The parameter that preprocessing process passes over is obtained, and sets up different orders；
According to the customer parameter and command parameter passed over, the disk partition of new size is created on the new disk；
By all being copied in new disk partition in the form of byte stream for legacy data.
Further, the recovery module is used for:
Rename new virtual disk；
Start virtual machine and carries out data test；
After test passes through, original virtual disk is deleted.
Further, the exception processing module is used for:
The exception information for capturing upper layer transfers, carries out rolling back action if there is faulty operation immediately, operation recovery is arrived
Initial conditions.
The embodiment of the present invention is by pre-processing the virtual machine KVM disk based on kernel, to obtain source virtual disk
Parameter and user transmitting parameter, judge whether disk partition expansible according to the parameter of acquisition, and new to what is extended
Disk is created；The adjustment for realizing disk partition size is adjusted by disk partition size Resize；When disk partition extends
After carry out data recovery to ensure legacy data noresidue.The embodiment of the present invention can not influence magnetic disk of virtual machine point
In the case where area, dynamic adjustment or dilatation can be carried out to some partition size of magnetic disk of virtual machine.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the flow chart for the method that the embodiment of the present invention extends KVM magnetic disk of virtual machine subregion；
Fig. 2 is the pretreatment implementation flow chart in the method for extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention；
Fig. 3 is that the disk partition size that the embodiment of the present invention extends in the method for KVM magnetic disk of virtual machine subregion adjusts realization
Flow chart；
Fig. 4 is the recovery implementation flow chart in the method for extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention；
Fig. 5 is the abnormality processing implementation flow chart in the method for extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention；
Fig. 6 is the structure chart for the device that the embodiment of the present invention extends KVM magnetic disk of virtual machine subregion.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Fig. 1 is the flow chart for the method that the embodiment of the present invention extends KVM magnetic disk of virtual machine subregion, as shown in Figure 1, of the invention
The method of embodiment the following steps are included:
Step 100: the virtual machine KVM disk based on kernel is pre-processed, with obtain the parameter of source virtual disk with
And the parameter of user's transmitting, judge whether disk partition is expansible according to the parameter of acquisition, and carry out to the new disk to be extended
Creation；
Specific disk size, disk type, file system, the disk partition situation for mainly obtaining virtual disk, creation
New magnetic disk of virtual machine, the type of virtual machine extension and judge whether disk is expansible etc..
Step 101: the adjustment for realizing disk partition size is adjusted by disk partition size Resize.
Step 102: carrying out the recovery of data after disk partition extension to ensure legacy data noresidue.
Specifically, restored after disk partition extension, for needing to delete after disk partition extension
Ephemeral data deletes redundant data, guarantees that legacy data is not revealed.
Further, the method also includes carrying out during the entire process of virtual disk partition extends if there is mistake
Abnormality processing；
Specifically, comparatively disk partition extension is the operation of danger close, disk size, the biography of parameter to virtual disk
Very strict requirements can all be had by passing, this needs an exception processing module just to guarantee the entire mistake extended in virtual disk partition
If there is faulty operation rollback immediately in journey, and report an error.
A kind of method for extension KVM magnetic disk of virtual machine subregion that the embodiment of the present invention proposes, is in original qemu-img function
It is extended on the basis of energy, using being extended to entire disk for qemu-img, then reuses virt-size subregion
Extension.
The implementation process of each step in the method for the embodiment of the present invention is specifically described below:
Fig. 2 is the pretreatment implementation flow chart in the method for extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention, is such as schemed
Shown in 2, the specific steps are as follows:
It a1. is the Universally Unique Identifier for obtaining virtual machine to the operation of certain virtual machine in cloud platform from user first
uuid。
A2. it completes disk partition extended operation and needs the regular hour, in order to guarantee the consistency of data on virtual disk
It needs to close virtual machine with integrality, virtual disk is made to be in off-line state.
A3. the type of virtual disk is obtained, at present the support identifiable virtual disk of KVM, such as qcow2, raw type,
Throw exception, end operation are needed if it is other kinds of disk.
A4. disk partition list and disk are obtained using virt-filesystems--long-h--all-a olddisk
Service condition, the content obtained are similar to following form:
A5. the parameter for obtaining user's transmitting judges that disk partition is to expand or reduce, is to extend to fix to some subregion
Additional disk space is all expanded to some subregion according further to the size of the entire disk after extension by size.
A6. above content is used, according to the parameter that user need to transmit, judges whether expansible, once judges disk partition
It whether there is, according to disk partition space service condition judge whether that disk space can be reduced, if judgement expands disk, need
Whether widened size has exceeded the memory space etc. of entire cloud platform, if it is above-mentioned there is one to be unsatisfactory for condition if dish out it is different
Often, end operation.
A7. the size of new disk is determined according to the parameter of virtual machine, e.g., original disk is 10G, and/dev/sda1 needs
Dilatation 1G, then new disk is 11G, create using qemu-imgcreate-f qcow2newdisk 11G order new
Disk file is adjusted for disk partition size and is used.
Fig. 3 is that the disk partition size that the embodiment of the present invention extends in the method for KVM magnetic disk of virtual machine subregion adjusts
Resize implementation flow chart, as shown in Figure 3, the specific steps are as follows:
B1. the parameter that preprocessing module passes over is obtained, and sets up different orders, supports to be directed to subregion fixed size
Extension and the extension of disk fixed size, the format of the fixed extension of subregion are as follows:
Virt-resize--resize/dev/sda1=+200M--expand/dev/sda2indis k outdisk
Disk fixes extended format are as follows:
virt-resize--expand/dev/sda2indisk outdisk
Wherein indisk is original virtual disk, and outdisk is existing new to have passed through qemu-imgcreate
Order the disk of the new size of creation.The principle of the fixed extension of subregion is that general/dev/sda1 increases on the basis of original first
Add 200M to be for example originally 100M, the size after extending after+200M is exactly 300M, if entire disk there are also remaining space,
Remaining space is not processed.The fixed extension of disk is extension sda2 subregion, if the size of indisk is 10G, outdisk's
Size is 20G, and sda1 is 2G, then then the remaining 18G of disk is fully allocated to sda2, such as to sda1 by distribution 2G first
The small then throw exception of fruit outdisk ratio indisk, rollback whole operation.
B2. according to user data and command parameter, the disk partition of new size is created on the new disk.
B3. all being copied in new disk partition in the form of byte stream by legacy data.
Fig. 4 is the recovery implementation flow chart in the method for extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention, such as Fig. 4
It is shown, the specific steps are as follows:
C1. the title that new virtual disk is original disk is renamed, original virtual disk is renamed and backed up, goes to report
Once error data can be with rollback in the detection process.
C2. starting virtual machine carries out Data Detection, checks whether virtual machine can start, and just whether data in virtual disk
Really, whether disk size changes.
C3. it tests after all passing through, original virtual disk is deleted, it is ensured that data noresidue.
Fig. 5 is the abnormality processing implementation flow chart in the method for extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention, such as
Shown in Fig. 5, the specific steps are as follows:
D1. the exception information of upper layer transfers is captured；
D2. misprint prompt information；
D3. ephemeral data during adjusting disk partition size is deleted, such as new disk, the information such as parameter；
D4. rolling back action, by operation recovery to initial conditions.
A kind of method for extension KVM magnetic disk of virtual machine subregion that the embodiment of the present invention proposes, can not influence virtual machine
Some partition size of magnetic disk of virtual machine is adjusted in the case where disk partition or dilatation.
Fig. 6 is the structure chart for the device that the embodiment of the present invention extends KVM magnetic disk of virtual machine subregion, as shown in fig. 6, of the invention
A kind of device of on the other hand extension KVM magnetic disk of virtual machine subregion that embodiment provides, comprising:
Preprocessing module: disk size, disk type, file system, the disk partition feelings of virtual disk are mainly obtained
Condition creates new magnetic disk of virtual machine, the type of virtual machine extension, and judges whether disk is expansible etc..
Resize module: for realizing that the specific adjustment of disk partition size is realized.
Recovery module: it needs to delete ephemeral data after disk partition extension, deletes redundant data, guarantee original number
According to not revealing.
Further, described device further includes exception processing module: comparatively disk partition extension is to virtual disk
The operation of danger close, disk size, the transmitting of parameter can all have very strict requirements, this just needs an exception processing module
Guarantee during the entire process of virtual disk partition extends if there is faulty operation rollback immediately, and reports an error.
The technical solution of the embodiment of the present invention passes through extension KVM magnetic disk of virtual machine division module framework and preprocessing module
Implementation process, Resize module implementation process, recovery module implementation process, exception processing module implementation process are realized to virtual
The dynamic of some partition size of machine disk adjusts or dilatation.
The method and apparatus of the extension KVM magnetic disk of virtual machine subregion of the embodiment of the present invention, not only can be to entire virtual magnetic
Disk size is adjusted, and can also be adjusted according to the file system on virtual disk to disk partition size.To significantly
The distribution according to need of virtual resource in cloud environment is facilitated, dynamic adjustresources improve the utilization rate of storage resource in cloud environment, make
Entire cloud environment cuts operating costs, and increases the stability of cloud environment.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, 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 method for extending KVM magnetic disk of virtual machine subregion characterized by comprising
Virtual machine KVM disk based on kernel is pre-processed, with obtain source virtual disk parameter and user transmitting
Parameter judges whether disk partition is expansible according to the parameter of acquisition, and creates to the new disk to be extended；
The adjustment for realizing disk partition size is adjusted by disk partition size Resize；
The recovery of data is carried out after disk partition extension to ensure legacy data noresidue.
2. the method for extension KVM magnetic disk of virtual machine subregion according to claim 1, which is characterized in that the method is also wrapped
It includes:
Abnormality processing is carried out if there is mistake during the entire process of virtual disk partition extends.
3. the method for extension KVM magnetic disk of virtual machine subregion according to claim 1, which is characterized in that described pair based on interior
The virtual machine KVM disk of core carries out pretreatment
Obtain virtual disk disk size, disk type, file system, disk partition situation, create new magnetic disk of virtual machine,
The type of virtual machine extension.
4. the method for extension KVM magnetic disk of virtual machine subregion according to claim 1, which is characterized in that described to pass through disk
The adjustment of disk partition size is realized in partition size Resize adjustment further include:
The parameter that preprocessing process passes over is obtained, and sets up different orders；
According to the customer parameter and command parameter passed over, the disk partition of new size is created on the new disk；
By all being copied in new disk partition in the form of byte stream for legacy data.
5. the method for extension KVM magnetic disk of virtual machine subregion according to claim 1, which is characterized in that when disk partition is expanded
The recovery of data is carried out after exhibition to ensure legacy data noresidue further include:
Rename new virtual disk；
Start virtual machine and carries out data test；
After test passes through, original virtual disk is deleted.
6. the method for extension KVM magnetic disk of virtual machine subregion according to claim 2, which is characterized in that described in virtual magnetic
Carrying out abnormality processing if there is mistake during the entire process of the extension of disk subregion includes:
The exception information for capturing upper layer transfers, carries out rolling back action if there is faulty operation immediately, by operation recovery to initially
State.
7. a kind of device for extending KVM magnetic disk of virtual machine subregion characterized by comprising
Preprocessing module, for being pre-processed to the virtual machine KVM disk based on kernel, to obtain the parameter of source virtual disk
And user transmitting parameter, judge whether disk partition expansible according to the parameter of acquisition, and to the new disk to be extended into
Row creation；
Partition size adjusts Resize module, for realizing the tune of disk partition size by disk partition size Resize adjustment
It is whole；
The recovery of data is carried out after disk partition extension to ensure legacy data noresidue.
8. the device of extension KVM magnetic disk of virtual machine subregion according to claim 7, which is characterized in that described device is also wrapped
It includes:
Exception processing module, for carrying out abnormality processing if there is mistake during the entire process of virtual disk partition extends.
9. the device of extension KVM magnetic disk of virtual machine subregion according to claim 7, which is characterized in that the pretreatment mould
Block is used for:
Obtain virtual disk disk size, disk type, file system, disk partition situation, create new magnetic disk of virtual machine,
The type of virtual machine extension.
10. the device of extension KVM magnetic disk of virtual machine subregion according to claim 7, which is characterized in that the Resize mould
Block is used for:
The parameter that preprocessing process passes over is obtained, and sets up different orders；
According to the customer parameter and command parameter passed over, the disk partition of new size is created on the new disk；
By all being copied in new disk partition in the form of byte stream for legacy data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539565.1A CN109614053A (en) | 2018-12-17 | 2018-12-17 | A kind of method and apparatus extending KVM magnetic disk of virtual machine subregion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539565.1A CN109614053A (en) | 2018-12-17 | 2018-12-17 | A kind of method and apparatus extending KVM magnetic disk of virtual machine subregion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109614053A true CN109614053A (en) | 2019-04-12 |
Family
ID=66010083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539565.1A Pending CN109614053A (en) | 2018-12-17 | 2018-12-17 | A kind of method and apparatus extending KVM magnetic disk of virtual machine subregion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109614053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236745A1 (en) * | 2022-06-08 | 2023-12-14 | 中兴通讯股份有限公司 | Disk processing method, apparatus, and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142943A (en) * | 2013-05-07 | 2014-11-12 | 上海盛大网络发展有限公司 | Database expansion method and database |
| CN104572242A (en) * | 2013-10-24 | 2015-04-29 | 华为技术有限公司 | Method and device for expanding disk space of virtual machine and virtual machine system |
| CN105607873A (en) * | 2015-12-23 | 2016-05-25 | 浪潮电子信息产业股份有限公司 | Method for performing LUN expansion by utilizing data migration |
| CN105718377A (en) * | 2014-12-05 | 2016-06-29 | 华为技术有限公司 | Method and apparatus for copying magnetic disk data in virtual application |
| CN106126115A (en) * | 2016-06-15 | 2016-11-16 | 浪潮电子信息产业股份有限公司 | A kind of method and device of the disk of EVM(extended virtual machine) |
| CN106168885A (en) * | 2016-07-18 | 2016-11-30 | 浪潮(北京)电子信息产业有限公司 | A kind of method and system of logical volume dynamic capacity-expanding based on LVM |
| CN107844260A (en) * | 2016-09-19 | 2018-03-27 | 深圳市深信服电子科技有限公司 | A kind of method and device of magnetic disk of virtual machine space dilatation |
-
2018
- 2018-12-17 CN CN201811539565.1A patent/CN109614053A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142943A (en) * | 2013-05-07 | 2014-11-12 | 上海盛大网络发展有限公司 | Database expansion method and database |
| CN104572242A (en) * | 2013-10-24 | 2015-04-29 | 华为技术有限公司 | Method and device for expanding disk space of virtual machine and virtual machine system |
| CN105718377A (en) * | 2014-12-05 | 2016-06-29 | 华为技术有限公司 | Method and apparatus for copying magnetic disk data in virtual application |
| CN105607873A (en) * | 2015-12-23 | 2016-05-25 | 浪潮电子信息产业股份有限公司 | Method for performing LUN expansion by utilizing data migration |
| CN106126115A (en) * | 2016-06-15 | 2016-11-16 | 浪潮电子信息产业股份有限公司 | A kind of method and device of the disk of EVM(extended virtual machine) |
| CN106168885A (en) * | 2016-07-18 | 2016-11-30 | 浪潮(北京)电子信息产业有限公司 | A kind of method and system of logical volume dynamic capacity-expanding based on LVM |
| CN107844260A (en) * | 2016-09-19 | 2018-03-27 | 深圳市深信服电子科技有限公司 | A kind of method and device of magnetic disk of virtual machine space dilatation |
Non-Patent Citations (2)
| Title |
|---|
| CHENXIN2TJ: "X Chen笔记---KVM调整虚拟机硬盘大小", 《HTTPS://BLOG.CSDN.NET/CHENXIN2TJ/ARTICLE/DETAILS/77164304 》 * |
| LIRAN728729: "kvm中虚拟机的硬盘扩容", 《HTTPS://BLOG.51CTO.COM/LIRAN728729/1139630 》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236745A1 (en) * | 2022-06-08 | 2023-12-14 | 中兴通讯股份有限公司 | Disk processing method, apparatus, and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10628208B2 (en) | Exposing a proprietary image backup to a hypervisor as a disk file that is bootable by the hypervisor | |
| US11966771B2 (en) | Dynamic image composition for container deployment | |
| US11385970B2 (en) | Backing-up blocks from virtual disks in different virtual machine environments having different block lengths to a common data format block length | |
| US10114705B1 (en) | Presenting virtual machine backup files for block and file level restore | |
| US9934064B2 (en) | Storing and resuming application runtime state | |
| US10310949B1 (en) | Disaster restore of big data application with near zero RTO | |
| EP2765508B1 (en) | Installation method and installation device for application software | |
| US8924954B2 (en) | Application software installation method and application software installation apparatus | |
| US8631217B2 (en) | Apparatus, system, and method for virtual machine backup | |
| US10430378B1 (en) | Fast container distribution with storage acceleration | |
| US8977828B2 (en) | Data recovery using conversion of backup to virtual disk | |
| CN105022656B (en) | virtual machine snapshot management method and device | |
| US8813076B2 (en) | Virtual machine updates | |
| US9684458B2 (en) | Exposing proprietary data to a hypervisor as native hypervisor data | |
| US9971783B2 (en) | Data de-duplication for disk image files | |
| US20170315739A1 (en) | Using an intermediate virtual disk format for virtual disk conversion | |
| US10872007B2 (en) | Methods and systems to compound alerts in a distributed computing system | |
| US10698768B2 (en) | Systems and methods for virtual machine file exclusion | |
| US11418555B1 (en) | Systems and methods for streaming an application via object storage | |
| CN109614053A (en) | A kind of method and apparatus extending KVM magnetic disk of virtual machine subregion | |
| US20230409438A1 (en) | Creating file recipes for copy overwrite workloads in deduplication file systems | |
| US11449388B1 (en) | Synthesized network block devices for recovery of image backups | |
| US20200356538A1 (en) | Container-based virtualization for testing database system | |
| US20220156052A1 (en) | Software packaging device and method for performing binary analysis, and recording medium on which program for performing the same is recorded | |
| Park et al. | Adaptable I/O system based I/O reduction for improving the performance of HDFS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |