CN103473065A - Virtual machine creation method capable of rapidly restoring system disk - Google Patents
Virtual machine creation method capable of rapidly restoring system disk Download PDFInfo
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- CN103473065A CN103473065A CN2013104304228A CN201310430422A CN103473065A CN 103473065 A CN103473065 A CN 103473065A CN 2013104304228 A CN2013104304228 A CN 2013104304228A CN 201310430422 A CN201310430422 A CN 201310430422A CN 103473065 A CN103473065 A CN 103473065A
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Abstract
The invention relates to the technical field of cloud computing, in particular to a virtual machine creation method capable of rapidly restoring a system disk. The method comprises the following steps: uploading a prepared virtual machine image into an NFS (Network File System) server for saving; mounting the NFS server on a host machine in a shared storage way; copying a virtual machine master image into a specified local storage directory of the host machine; creating an external snapshot for a template image in the specified local storage directory; creating a virtual machine by using an external snapshot file, and rapidly restoring the virtual machine system disk. The invention provides the virtual machine creation method capable of rapidly restoring the system disk, so that the virtual machine can be restored to a creation state within seconds at any time; the method can be applied to creation of virtual machines.
Description
Technical field
The present invention relates to the cloud computing technology field, but refer to especially a kind of virtual machine creating method of fast restore system disk.
Background technology
By the virtual machine of different librarian uses, consider privacy of user data and security of system for often, be necessary system disk is reduced.The method that can be used at present the reduction of dummy machine system dish has two kinds.First method is to use the software of the smart class of reduction, and at first this method can do a backup to the primary data of system disk, after each operating system is restarted, and state when system disk is reverted to backup; This method has following shortcoming: 1, the Backup Data of system disk can take the space of virtual machine disk, causes extra waste of storage space; 2, reducing after the each shutdown of software of a smart class start more all can the reduction of executive system dish, can not carry out selectively reduction; 3, the recovery time is long.
Second method is to create snapshot after virtual machine creating is complete, when needs are reduced to system disk, uses this snapshot to revert to original state; This method has following shortcoming: 1, the fast note of virtual machine takies the extra disk space of host; 2, the recovery time is long.
In order to meet virtual machine fast restore system disk to when just creating and avoid waste and the long problem of reduction event of storage resources, but need a kind of virtual machine creating method of fast restore system disk.
Summary of the invention
But the technical matters that the present invention solves is to provide a kind of virtual machine creating method of fast restore system disk, solve the problems such as existing system method of reducing waste storage resources, recovery time be very long, the present invention has also realized needing restoring system dish at any time according to the user in addition, in reduction process the time very short, can reach second the effect of level reduction.
The technical scheme that the present invention solves the problems of the technologies described above is:
Comprise the steps:
Step 1: the virtual machine image of making is uploaded in nfs server and preserves;
Step 2: then in the mode of sharing storage, nfs server is mounted to host;
Step 3: virtual machine mother matrix mirror-image copies is stored to assigned catalogue to host this locality; If had this mother matrix mirror image above the local storage of host assigned catalogue, abandoned;
Step 4: the template mirror image in this locality storage assigned catalogue is created to outside snapshot;
Step 5: utilize outside snapshot document to create virtual machine and fast restore dummy machine system dish.
Described virtual machine creating process is as follows:
(1) copy virtual machine image file to the local storage directory 1 of host from nfs server;
(2) image file is done to outside snapshot, and snapshot document is saved in to the local storage directory 2 of host;
(3) prepare start the needed configuration file of virtual machine and start virtual machine;
(4) be virtual machine carry storage volume, preserve as permanent data.
Described dummy machine system dish reduction process is as follows:
(1) storage volume of unloading virtual machine;
(2) hard closing virtual machine;
(3) delete the outside snapshot document in the local storage directory 2 of the corresponding host of virtual machine;
(4) utilize the mother matrix mirror image in local storage directory 1 again to create outside snapshot;
(5) restart virtual machine;
(6) storage volume of preserving permanent data before carry.
Described mother matrix mirror image is the original image file of preparing while creating virtual machine.
Described outside snapshot refers to the instrument that the Virtual Machine Manager platform provides for virtual machine image file, the snapshot document that utilizes it to create starts virtual machine, only can revise snapshot document during the operations such as the user is newly-built in virtual machine inside, deletion, revised file, and can not have influence on the mother matrix mirror image.
Adopt method of the present invention to create virtual machine, when carrying out system reducing, without depending on restore software, storage resources avoids waste.Utilize outside snapshot document to create virtual machine and fast restore dummy machine system dish, realized needing restoring system dish at any time according to the user.Method of the present invention can shorten the recovery time, can reach second effect of level reduction.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described:
Fig. 1 is the inventive method process flow diagram;
Fig. 2 is that the present invention creates the virtual machine process flow diagram;
Fig. 3 is restoring system dish process flow diagram of the present invention.
Embodiment
Refer to accompanying drawing, at first the present invention for example prepares an independent physical machine, as nfs server (IP is 20.251.32.19, and the user can customize), has proceeded as follows building of nfs server:
Step 1: game server, establishment/sdb file
#mkdir?/sdb
#mkdir?/sdb/images
#mkdir?/sdb/buckets_xm
#mkdir?/sdb/isos
Step 2: editor/etc/exports, add following content:
#vi?/etc/exports
/sdb*(rw，no_root_squash)
Step 3: start the nfs service
#/etc/init.d/nfs?start
Step 4: the nfs service is added to the starting up
#chkconfig--add/etc/init.d/nfs
#chkconfig--level2345nfs?on
Then enter host carry nfs server to local:
Step 1: login host server, check whether to access the nfs service.
#showmount-e20.251.32.19
Step 2: carry NFS is to this locality/sharefiles catalogue
#mount?-t?nfs?-o?vers＝320.251.32.19:/sdb/sharefiles
Step 3: the NFS automatic carry of starting shooting is set
#echo″mount?-t?nfs?-o?vers＝3，nolock20.251.32.19:/sdb/sharefiles″＞＞/etc/rc.local
Through above step, guaranteed that nfs server can provide normal service for host, then create virtual machine, utilize dd order or cp order that the template mirror-image copies is arrived below the storage/instances catalogue of host this locality:
dd?if＝/sharefiles/images/emi-xxxxxxxx?of＝/instances/cache
Carry out " the female mirror path dummy machine system of qemu-img create-f qcow2-b mirror image name " and create outside snapshot, specific code is as follows:
Then prepare to start virtual machine configuration libvirt.xml, code is as follows:
Finally, according to virtual machine configuration, outside snapshot document and mother matrix image starting operation virtual machine, code snippet is as follows:
End user gets final product by creating storage volume and being mounted to the virtual machine use.
But completed the virtual machine creating of fast restore system disk according to the step of front, process as for dummy machine system dish Quick-return is by deleting the existing outside snapshot document of virtual machine, again create an outside snapshot document by the mother matrix mirror image in addition, creating outside snapshot processes, to catch up with face the same, and this process almost can complete within 1 second, reached the requirement of fast restore system disk.
Claims (7)
1. but the virtual machine creating method of a fast restore system disk is characterized in that:
Comprise the steps:
Step 1: the virtual machine image of making is uploaded in nfs server and preserves;
Step 2: then in the mode of sharing storage, nfs server is mounted to host;
Step 3: virtual machine mother matrix mirror-image copies is stored to assigned catalogue to host this locality; If had this mother matrix mirror image above the local storage of host assigned catalogue, abandoned;
Step 4: the template mirror image in this locality storage assigned catalogue is created to outside snapshot;
Step 5: utilize outside snapshot document to create virtual machine and fast restore dummy machine system dish.
2. virtual machine creating method according to claim 1, it is characterized in that: described virtual machine creating process is as follows:
(1) copy virtual machine image file to the local storage directory 1 of host from nfs server;
(2) image file is done to outside snapshot, and snapshot document is saved in to the local storage directory 2 of host;
(3) prepare start the needed configuration file of virtual machine and start virtual machine;
(4) be virtual machine carry storage volume, preserve as permanent data.
3. virtual machine creating method according to claim 1, it is characterized in that: described dummy machine system dish reduction process is as follows:
(1) storage volume of unloading virtual machine;
(2) hard closing virtual machine;
(3) delete the outside snapshot document in the local storage directory 2 of the corresponding host of virtual machine;
(4) utilize the mother matrix mirror image in local storage directory 1 again to create outside snapshot;
(5) restart virtual machine;
(6) storage volume of preserving permanent data before carry.
4. virtual machine creating method according to claim 2, it is characterized in that: described dummy machine system dish reduction process is as follows:
(1) storage volume of unloading virtual machine;
(2) hard closing virtual machine;
(3) delete the outside snapshot document in the local storage directory 2 of the corresponding host of virtual machine;
(4) utilize the mother matrix mirror image in local storage directory 1 again to create outside snapshot;
(5) restart virtual machine;
(6) storage volume of preserving permanent data before carry.
5. according to the described virtual machine creating method of claim 1 to 4 any one, it is characterized in that: described mother matrix mirror image is the original image file of preparing while creating virtual machine.
6. according to the described virtual machine creating method of claim 1 to 4 any one, it is characterized in that: described outside snapshot refers to the instrument that the Virtual Machine Manager platform provides for virtual machine image file, the snapshot document that utilizes it to create starts virtual machine, only can revise snapshot document during the operations such as the user is newly-built in virtual machine inside, deletion, revised file, and can not have influence on the mother matrix mirror image.
7. virtual machine creating method according to claim 5, it is characterized in that: described outside snapshot refers to the instrument that the Virtual Machine Manager platform provides for virtual machine image file, the snapshot document that utilizes it to create starts virtual machine, only can revise snapshot document during the operations such as the user is newly-built in virtual machine inside, deletion, revised file, and can not have influence on the mother matrix mirror image.
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103761168A (en) * | 2014-01-26 | 2014-04-30 | 上海爱数软件有限公司 | Method for mounting backup virtual machine based on nfs volume |
| CN104111878A (en) * | 2014-02-20 | 2014-10-22 | 西安未来国际信息股份有限公司 | Automatic hadoop cluster restoration technology on basis of snapshots of virtual machines |
| CN104360892A (en) * | 2014-10-21 | 2015-02-18 | 普华基础软件股份有限公司 | System and method for creating virtual machine |
| CN104407931A (en) * | 2014-10-28 | 2015-03-11 | 国云科技股份有限公司 | Method for obtaining mirror image of damaged system disk of virtual machine |
| CN105279011A (en) * | 2015-11-17 | 2016-01-27 | 国云科技股份有限公司 | Method for performing system restoring on virtual machine according to mirror image |
| CN105306594A (en) * | 2015-11-19 | 2016-02-03 | 国云科技股份有限公司 | Method for managing virtual unit through multiple strategies |
| CN106201654A (en) * | 2016-06-30 | 2016-12-07 | 国云科技股份有限公司 | A kind of rescue method of dummy machine system |
| CN106775957A (en) * | 2017-01-20 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of virtual machine snapshot implementation method |
| CN106778246A (en) * | 2016-12-01 | 2017-05-31 | 北京奇虎科技有限公司 | The detection method and detection means of sandbox virtualization |
| WO2017173922A1 (en) * | 2016-04-08 | 2017-10-12 | 中兴通讯股份有限公司 | Method and apparatus for upgrading virtual machine |
| CN107818029A (en) * | 2017-11-07 | 2018-03-20 | 上海爱数信息技术股份有限公司 | A kind of cloud hard disc data recovers the automated testing method of uniformity |
| CN107968794A (en) * | 2016-10-18 | 2018-04-27 | 中兴通讯股份有限公司 | A kind of virtual drive hanging method and system, server, terminal |
| CN108415756A (en) * | 2017-10-25 | 2018-08-17 | 国云科技股份有限公司 | A kind of cloud disk automatic recovery method of cloud platform virtual machine |
| CN108733387A (en) * | 2018-05-23 | 2018-11-02 | 郑州云海信息技术有限公司 | A kind of system and method for realizing the installation of Windows system automations |
| CN109117251A (en) * | 2018-08-09 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of implementation method, device and the readable storage medium storing program for executing of virtual machine recycle bin |
| CN109117307A (en) * | 2018-07-25 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of virtual-machine data restoring method and its relevant device |
| CN109313565A (en) * | 2016-05-02 | 2019-02-05 | 诺基亚通信公司 | Snapshot creation in virtual network environment |
| CN115454572A (en) * | 2022-09-20 | 2022-12-09 | 北京志凌海纳科技有限公司 | Method and system for constructing disk image of virtual machine based on Docker tool |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103761168A (en) * | 2014-01-26 | 2014-04-30 | 上海爱数软件有限公司 | Method for mounting backup virtual machine based on nfs volume |
| CN103761168B (en) * | 2014-01-26 | 2017-06-13 | 上海爱数信息技术股份有限公司 | It is a kind of that the method for carrying backup virtual machine is wrapping with based on nfs |
| CN104111878A (en) * | 2014-02-20 | 2014-10-22 | 西安未来国际信息股份有限公司 | Automatic hadoop cluster restoration technology on basis of snapshots of virtual machines |
| CN104360892A (en) * | 2014-10-21 | 2015-02-18 | 普华基础软件股份有限公司 | System and method for creating virtual machine |
| CN104360892B (en) * | 2014-10-21 | 2019-04-09 | 普华基础软件股份有限公司 | Create the system and method for virtual machine |
| CN104407931A (en) * | 2014-10-28 | 2015-03-11 | 国云科技股份有限公司 | Method for obtaining mirror image of damaged system disk of virtual machine |
| CN105279011A (en) * | 2015-11-17 | 2016-01-27 | 国云科技股份有限公司 | Method for performing system restoring on virtual machine according to mirror image |
| CN105306594A (en) * | 2015-11-19 | 2016-02-03 | 国云科技股份有限公司 | Method for managing virtual unit through multiple strategies |
| CN107273146B (en) * | 2016-04-08 | 2021-11-19 | 中兴通讯股份有限公司 | Virtual machine upgrading method and device |
| WO2017173922A1 (en) * | 2016-04-08 | 2017-10-12 | 中兴通讯股份有限公司 | Method and apparatus for upgrading virtual machine |
| CN107273146A (en) * | 2016-04-08 | 2017-10-20 | 中兴通讯股份有限公司 | Virtual machine upgrade method and device |
| CN109313565A (en) * | 2016-05-02 | 2019-02-05 | 诺基亚通信公司 | Snapshot creation in virtual network environment |
| CN106201654A (en) * | 2016-06-30 | 2016-12-07 | 国云科技股份有限公司 | A kind of rescue method of dummy machine system |
| CN107968794A (en) * | 2016-10-18 | 2018-04-27 | 中兴通讯股份有限公司 | A kind of virtual drive hanging method and system, server, terminal |
| CN106778246A (en) * | 2016-12-01 | 2017-05-31 | 北京奇虎科技有限公司 | The detection method and detection means of sandbox virtualization |
| CN106775957A (en) * | 2017-01-20 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of virtual machine snapshot implementation method |
| CN108415756A (en) * | 2017-10-25 | 2018-08-17 | 国云科技股份有限公司 | A kind of cloud disk automatic recovery method of cloud platform virtual machine |
| CN108415756B (en) * | 2017-10-25 | 2022-08-23 | 国云科技股份有限公司 | Cloud disk automatic recovery method of cloud platform virtual machine |
| CN107818029A (en) * | 2017-11-07 | 2018-03-20 | 上海爱数信息技术股份有限公司 | A kind of cloud hard disc data recovers the automated testing method of uniformity |
| CN107818029B (en) * | 2017-11-07 | 2020-06-16 | 上海爱数信息技术股份有限公司 | Automatic test method for cloud hard disk data recovery consistency |
| CN108733387A (en) * | 2018-05-23 | 2018-11-02 | 郑州云海信息技术有限公司 | A kind of system and method for realizing the installation of Windows system automations |
| CN109117307A (en) * | 2018-07-25 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of virtual-machine data restoring method and its relevant device |
| CN109117251A (en) * | 2018-08-09 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of implementation method, device and the readable storage medium storing program for executing of virtual machine recycle bin |
| CN115454572A (en) * | 2022-09-20 | 2022-12-09 | 北京志凌海纳科技有限公司 | Method and system for constructing disk image of virtual machine based on Docker tool |
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