CN106371895A - Method for upgrading KVM (Kernel-based Virtual Machine) for de-virtualization - Google Patents
Method for upgrading KVM (Kernel-based Virtual Machine) for de-virtualization Download PDFInfo
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- CN106371895A CN106371895A CN201610802455.4A CN201610802455A CN106371895A CN 106371895 A CN106371895 A CN 106371895A CN 201610802455 A CN201610802455 A CN 201610802455A CN 106371895 A CN106371895 A CN 106371895A
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- virtual machine
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- virtualization
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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Abstract
The invention relates to the technical field of cloud computing, in particular to a method for upgrading a KVM (Kernel-based Virtual Machine) for de-virtualization. The method comprises the following steps: firstly, upgrading a QEMU version; finding an LIBVIRT configuration file corresponding to the virtual machine; editing the configuration file, upgrading a QEMU emulator, shielding system virtualization information of the virtual machine, and solving the problem that a VNC (Virtual Network Computer) cannot be connected; redefining the virtual machine and starting. By adopting the method, virtualization information shielding for the KVM is realized, and correct installation and use of software and applications on the virtual machine are ensured.
Description
Technical field
The present invention relates to field of cloud computer technology, particularly one kind upgrading kvm virtual machine go virtualized method.
Background technology
The rise of cloud computing, allow increasing user start select using can elastic telescopic extension resources of virtual machine.
User buys or is typically necessary after renting virtual machine in the software of deployment some oneself installed above and application, but at present
Some special software such and application are existed on market, they cannot be supported with virtualization letter when installation and deployment
The dummy machine system of breath.
Pin is in this regard, a kind of method wanting scalable virtual machine to go virtualization information is badly in need of in virtual machine provider, to meet use
Family needs the demand of installation and deployment special software and application on a virtual machine.
qemu/kvm
Kvm is an Intel Virtualization Technology module of linux, after physics linux node is loaded with module, could lead to further
Cross other instrument creation virtual machines.But only kvm module is far from being enough, because user cannot directly control kernel module to go
Do work it is necessary to have the instrument of a user's space, the exactly such a virtualization software increased income of qemu.Kvm makes
With a part of qemu, and slightly transform, just become the user's space instrument of controllable kvm.
libvirt/dump
Libvrt is the c function library that under a set of free, support linux of increasing income, main flow virtualizes instrument.Current popular
Cloud platform all manages the resources of virtual machine of oneself using libvirt.Libvirt provides a kind of configuration file of xml form
Libvirt.xml is in order to define the various configuration informations of resources of virtual machine.Virtual machine using libvirt management can use it
Dump instrument (virsh dumpxml) is checking the virtual machine configuration information in being currently running.
Content of the invention
Present invention solves the technical problem that being that proposing a kind of upgrading kvm virtual machine goes virtualized method, overcomes
The resources of virtual machine of current cloud platform provider generally existing carries virtualization relevant information, user's special software and application cannot
The problem of installation and deployment on a virtual machine.
The technical scheme that the present invention solves above-mentioned technical problem is:
Described method is upgrading qemu version, searches virtual machine and corresponds to libvirt configuration file, edits configuration file liter
Level qemu simulator, shielding dummy machine system virtualization information and solution vnc cannot connect, and redefine virtual machine and start.
After redefining virtual machine and starting, correct upgrading is confirmed by dump virtual machine libvirt configuration file；
Described confirm that correct upgrading refers to check whether virtual machine configuration comprises described above interpolation and modification
Libvirt configuration item.
Described qemu is a virtualization simulator software, simulates the various different hardware resources of virtual machine use；
Version is more than 2.1；
Described libvirt is main flow virtualization instrument under linux, provides institute needed for the management of virtual machine whole life cycle
There are interface and command operation；Described libvirt configuration file is a kind of configuration file of xml form, it is possible to use its definition
The various configuration informations of resources of virtual machine；
Described vnc is a remote control tool software, provides the Telnet of virtual machine to control.
Described upgrading qemu version further includes:
Qemu source software bag is downloaded in networking；
Decompress and compile source software bag；
Executable file after copy compiling is to virtual machine place physical node；
Qemu simulator in edit-modify virtual machine libvirt configuration file；
Editor's libvirt configuration file adds vnc configuration.
Described virtualization information includes cpu virtualization information, internal memory virtualization information, io virtualization information；
Described shielding dummy machine system virtualization information refers to that not allowing dummy machine system recognize lays oneself open to virtualization
On platform, correctly install and deploy use with ensure software in virtual machine and application.
The described virtual machine that redefines further includes:
Close the virtual machine being currently running；
Cancel defined virtual machine configuration；
Define virtual machine using virtual machine configuration.
The present invention program has the beneficial effect that:
1st, the present invention provides a kind of upgrading kvm virtual machine to go virtualized method, comprises to provide a kind of establishment non-with void
The kvm virtual machine method of planization information, the resources of virtual machine solving current cloud platform provider generally existing carries virtualization
Relevant information, user's special software and application cannot installation and deployment on a virtual machine problem.
2nd, the method for the present invention provides the virtualization relevant information on shielding dummy machine system, enhances cloud platform virtualization
The transparency of resource, improves the using experience degree to resources of virtual machine for the user.
Brief description
The present invention is further described below in conjunction with the accompanying drawings:
Fig. 1 is the flow chart of the present invention.
Specific embodiment
Refer to Fig. 1, a kind of upgrading kvm virtual machine being provided by the embodiment of the present invention removes virtualized method flow
Figure.Separately below its each flow process is implemented and be described.
Qemu on Virtual Machine Manager person's upgrading virtual machine place physical node first.Here we are to be upgraded to
Illustrate as a example qemu2.5.
Qemu2.5 software kit qemu_2.5_x86_64.tar.gz is downloaded in networking, and is copied to virtual machine place thing
Reason node respective directories.Qemu_2.5_x86_64.tar.gz carried out decompress, compile executable file after generation compiling, here
The executable file path generating is /root/qemu25/qemu/x86_64-softmmu/qemu-system-x86_64.
Manager searches virtual machine corresponding libvirt configuration file place path, and execution is such as issued orders:
[root@gcloud51107～] #find/cephfilesystem/-name i-39d93b71
/cephfilesystem/instances/config/cc81efe719bf4b05a3c21524ccf6clea/i-
39d93b71
Then the qemu simulator in modification upgrading virtual machine configuration file, that is, change:
＜ emulator ＞/usr/libexec/qemu-kvm ＜/emulator >
For
＜ emulator >/root/qemu25/qemu/x86_64-softmmu/qemu-system-x86_64 ＜/
Emulator ＞
Simultaneously increase smm=off relevant configuration, solve the problems, such as qemu2.5 cannot vnc it may be assumed that
Continue upgrading modification libvirt configuration file, shield virtualization information in dummy machine system, virtual to shield here
Illustrate as a example machine cpuid.Increase characteristic item in<featrues>configuration item, specific as follows:
＜ kvm >
<hidden state=' on '/>
</kvm>
Then virtual machine is carried out redefining with configuration file operation:
Virsh shutdown i-39d93b71//closing virtual machine
Virsh undefine i-39d93b71//cancellation virtual machine configuration definition
Virsh define libvirt.xml//definition virtual machine configuration
Virsh start i-39d93b71//startup virtual machine
Last its libvrit configuration file of dump on the physical node that virtual machine is located, confirms that virtual machine is correctly upgraded.
Virsh dumpxml i-39d93b71//i-39d93b71 is virtual machine id
Implementing result is as follows:
Embodiments described above is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in bright, those of ordinary skill in the art are not making the obtained scheme of substantive creation, broadly fall into the present invention
The scope of protection.
Claims (10)
1. a kind of upgrading kvm virtual machine goes virtualized method it is characterised in that described method is upgrading qemu version, looks into
Virtual machine is looked for correspond to libvirt configuration file, editor's configuration file upgrading qemu simulator, shielding dummy machine system virtualization letter
Breath and solution vnc cannot connect, and redefine virtual machine and start.
2. upgrading kvm virtual machine according to claim 1 goes virtualized method it is characterised in that redefining virtual
Machine simultaneously confirms correct upgrading by dump virtual machine libvirt configuration file after starting；
Described confirm that correct upgrading refers to check whether virtual machine configuration comprises described above interpolation and modification
Libvirt configuration item.
3. upgrading kvm virtual machine according to claim 1 go virtualized method it is characterised in that
Described qemu is a virtualization simulator software, simulates the various different hardware resources of virtual machine use；Version
For more than 2.1；
Described libvirt is main flow virtualization instrument under linux, provides all needed for the management of virtual machine whole life cycle connecing
Mouth and command operation；Described libvirt configuration file is a kind of configuration file of xml form, it is possible to use its definition is virtual
The various configuration informations of machine resource；
Described vnc is a remote control tool software, provides the Telnet of virtual machine to control.
4. the upgrading kvm virtual machine according to claim 1,2 or 3 goes virtualized method it is characterised in that described liter
Level qemu version further includes:
Qemu source software bag is downloaded in networking；
Decompress and compile source software bag；
Executable file after copy compiling is to virtual machine place physical node；
Qemu simulator in edit-modify virtual machine libvirt configuration file；
Editor's libvirt configuration file adds vnc configuration.
5. the upgrading kvm virtual machine according to claim 1,2 or 3 goes virtualized method it is characterised in that described void
Planization information includes cpu virtualization information, internal memory virtualization information, io virtualization information；
Described shielding dummy machine system virtualization information refers to that not allowing dummy machine system recognize lays oneself open to virtual platform
On, correctly install and deploy use with ensure software in virtual machine and application.
6. want the upgrading kvm virtual machine described in 4 to go virtualized method it is characterised in that described virtualization is believed according to right
Breath includes cpu virtualization information, internal memory virtualization information, io virtualization information；
Described shielding dummy machine system virtualization information refers to that not allowing dummy machine system recognize lays oneself open to virtual platform
On, correctly install and deploy use with ensure software in virtual machine and application.
7. the upgrading kvm virtual machine according to claim 1,2 or 3 go virtualized method it is characterised in that
The described virtual machine that redefines further includes:
Close the virtual machine being currently running；
Cancel defined virtual machine configuration；
Define virtual machine using virtual machine configuration.
8. upgrading kvm virtual machine according to claim 4 go virtualized method it is characterised in that
The described virtual machine that redefines further includes:
Close the virtual machine being currently running；
Cancel defined virtual machine configuration；
Define virtual machine using virtual machine configuration.
9. upgrading kvm virtual machine according to claim 5 go virtualized method it is characterised in that
The described virtual machine that redefines further includes:
Close the virtual machine being currently running；
Cancel defined virtual machine configuration；
Define virtual machine using virtual machine configuration.
10. upgrading kvm virtual machine according to claim 6 go virtualized method it is characterised in that
The described virtual machine that redefines further includes:
Close the virtual machine being currently running；
Cancel defined virtual machine configuration；
Define virtual machine using virtual machine configuration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610802455.4A CN106371895A (en) | 2016-09-04 | 2016-09-04 | Method for upgrading KVM (Kernel-based Virtual Machine) for de-virtualization |
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| CN201610802455.4A CN106371895A (en) | 2016-09-04 | 2016-09-04 | Method for upgrading KVM (Kernel-based Virtual Machine) for de-virtualization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861792A (en) * | 2017-11-06 | 2018-03-30 | 郑州云海信息技术有限公司 | A kind of virtual machine management method and device based on Libvirt |
| US11875174B2 (en) | 2018-09-30 | 2024-01-16 | Huawei Technologies Co., Ltd. | Method and apparatus for virtual machine emulator upgrading virtualization emulator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503825A (en) * | 2014-12-29 | 2015-04-08 | 西安电子科技大学 | Mixed type equipment virtualization method based on KVM (Kernel-based Virtual Machine) |
| CN105700826A (en) * | 2015-12-31 | 2016-06-22 | 华为技术有限公司 | Virtualization method and device |
-
2016
- 2016-09-04 CN CN201610802455.4A patent/CN106371895A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503825A (en) * | 2014-12-29 | 2015-04-08 | 西安电子科技大学 | Mixed type equipment virtualization method based on KVM (Kernel-based Virtual Machine) |
| CN105700826A (en) * | 2015-12-31 | 2016-06-22 | 华为技术有限公司 | Virtualization method and device |
Non-Patent Citations (2)
| Title |
|---|
| ALEX WILLIAMSON: "Add new "kvm" domain feature and ability to hide KVM signature", 《HTTPS://WWW.REDHAT.COM/ARCHIVES/LIBVIR-LIST/2014-AUGUST/MSG00744.HTML》 * |
| 说话的白菜: "使用libvirt管理kvm（virsh篇）", 《HTTPS://BLOG.51CTO.COM/SPEAKINGBAICAI/1161964》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861792A (en) * | 2017-11-06 | 2018-03-30 | 郑州云海信息技术有限公司 | A kind of virtual machine management method and device based on Libvirt |
| US11875174B2 (en) | 2018-09-30 | 2024-01-16 | Huawei Technologies Co., Ltd. | Method and apparatus for virtual machine emulator upgrading virtualization emulator |
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Application publication date: 20170201 |