CN112653739A - Agent emergency disaster recovery method and system for externally-assigned virtual machine network - Google Patents
Agent emergency disaster recovery method and system for externally-assigned virtual machine network Download PDFInfo
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- CN112653739A CN112653739A CN202011462694.2A CN202011462694A CN112653739A CN 112653739 A CN112653739 A CN 112653739A CN 202011462694 A CN202011462694 A CN 202011462694A CN 112653739 A CN112653739 A CN 112653739A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 238000013507 mapping Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1464—Management of the backup or restore process for networked environments
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
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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
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
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Abstract
The invention discloses an agent emergency disaster recovery method and system of an external appointed virtual machine network, comprising the steps of uploading backup data of a production machine to a disaster recovery management program module; the disaster tolerance management program initiates a command for creating a disaster tolerance machine to the virtualization platform, and creates an empty disaster tolerance machine; the disaster recovery management program initiates a virtual block device creating command to the virtual block device management program, and the backup data is mapped to the virtual block device; the virtual block device management program mounts the virtual block device to a backup server; the disaster recovery management program sends the network information to a backup server, and the backup server creates a network configuration file and writes the network information into the network configuration file of the virtual block device; mounting the virtual block device on a disaster recovery machine; and starting the disaster recovery machine, reading the content in the network configuration file, acquiring network information, and performing network setting to realize network access of the disaster recovery machine. The invention can realize that any virtualization platform and the pull-up disaster recovery machine can be externally assigned with network configuration.
Description
Technical Field
The invention particularly relates to an agent emergency disaster recovery method and system of an externally specified virtual machine network.
Background
At present, the emergency disaster recovery field is generally associated with CDP (continuous data protection), CDP backup is generally performed on a disk sector of a production machine, and the CDP backup data is used to send out a virtual block device for external use through an iSCSI network in a form of the virtual block device (the data on the virtual block device is consistent with that of the production machine). The emergency disaster recovery is to use the iSCSI disks to mount the iSCSI disks on empty virtual machines, and then start the virtual machines to replace the targets of the production machine services.
The emergency disaster recovery method in the prior art mainly has the following defects:
(1) the virtual machine pulled up by the existing emergency disaster recovery method normally needs to manually perform network setting (such as an IP address, a subnet mask, a gateway, a DNS, and the like) inside the system, and after the network setting is completed, the virtual machine can provide service and the like to the outside.
(2) In the existing emergency disaster recovery method, a network script is generally set on a production machine when a network is set, and after data protection is performed on the production machine, a virtual machine pulled up executes a network script to set the network after the virtual machine is started. The defect is obvious, the network to which the pulled disaster recovery machine is to be set in the future needs to be known in advance, the network cannot be changed randomly, the network needs to be set in the production machine, and the process is troublesome. Some consumer production machines are not given the option of logging into the production machine system.
(3) The existing emergency disaster recovery method, the method for setting network information externally, generally utilizes the network setting interface provided by the virtualization platform itself. The method has the advantages that the limitation is large, and many virtualization platforms do not provide network setting interfaces; secondly, some virtualization platforms provide a network setting interface, generally, a tool is injected into a virtual machine, the tool is used for interacting with external communication, time consumption is long, the tool cannot take effect, and the main reason of non-effectiveness is that the tool cannot be identified by some systems due to the fact that the tool is injected in failure.
Disclosure of Invention
In order to solve the above problems, the invention provides an agent emergency disaster recovery method and system for an externally specified virtual machine network, which can realize that any virtualization platform can be configured in an externally specified network by pulling up a disaster recovery machine.
In order to achieve the technical purpose and achieve the technical effects, the invention is realized by the following technical scheme:
in a first aspect, the present invention provides an agent emergency disaster recovery method for an external designated virtual machine network, including:
the production machine is backed up, backup data are generated and uploaded to a disaster recovery management program module, and the backup data comprise network information;
initiating a command for creating a disaster recovery machine to the virtualization platform by using the disaster recovery management program, and creating an empty disaster recovery machine by the virtualization platform;
initiating a virtual block device creating command to a virtual block device management program by using a disaster tolerance management program, and mapping the backup data to the virtual block device;
mounting the virtual block device to a specified directory of a backup server by using a virtual block device management program through an iSCSI protocol;
sending the network information to a backup server by using a disaster recovery management program, wherein the backup server creates a network configuration file for the virtual block device and writes the network information into the network configuration file of the virtual block device;
mounting the virtual block device to the disaster recovery machine;
and starting the disaster recovery machine, reading the content in the network configuration file by the disaster recovery machine, acquiring network information, and performing network setting to realize network access of the disaster recovery machine and provide service for the outside.
Optionally, the network information is information of each network card of the production machine.
Optionally, the network information includes MAC, IP, subnet mask, gateway, DNS, and alternative DNS of all network cards on the production machine.
Optionally, the saving the network information to a database by using the disaster recovery management program further includes:
and creating a disaster tolerance strategy, and displaying the information in the database when configuring the network card of the disaster tolerance machine.
Optionally, the empty disaster recovery machine is an empty virtual machine.
In a second aspect, the invention provides an agent emergency disaster recovery system of an external designated virtual machine network, comprising a production machine, a disaster recovery management program, a virtualization platform, a virtual block device management program and a backup server;
the production machine is backed up, backup data are generated and uploaded to a disaster recovery management program module, and the backup data comprise network information;
the disaster recovery management program initiates a command for creating a disaster recovery machine to the virtualization platform, and the virtualization platform creates an empty disaster recovery machine;
the disaster recovery management program initiates a virtual block device creating command to a virtual block device management program and maps the backup data to the virtual block device;
the virtual block device management program mounts the virtual block device to a specified directory of a backup server through an iSCSI protocol;
the disaster recovery management program sends the network information to a backup server, and the backup server creates a network configuration file for the virtual block device and writes the network information into the network configuration file of the virtual block device;
mounting the virtual block device to the disaster recovery machine;
and starting the disaster recovery machine, reading the content in the network configuration file by the disaster recovery machine, acquiring network information, and performing network setting to realize network access of the disaster recovery machine and provide service for the outside.
Optionally, the network information is information of each network card of the production machine.
Optionally, the network information includes MAC, IP, subnet mask, gateway, DNS, and alternative DNS of all network cards on the production machine.
Optionally, the saving the network information to a database by using the disaster recovery management program further includes:
and creating a disaster tolerance strategy, and displaying the information in the database when configuring the network card of the disaster tolerance machine.
Optionally, the empty disaster recovery machine is an empty virtual machine.
Compared with the prior art, the invention has the beneficial effects that:
the invention can be used for any virtualization platform and pulling up the disaster recovery machine, can externally appoint network configuration, has short time consumption, can shorten the time to be below 30s and has high efficiency.
The invention directly writes the network information on the virtual block device in the form of the configuration file, and the agent program can directly read the configuration file without extra work such as decompression and the like.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic flowchart of an emergency disaster recovery method with agent for an external virtual machine network according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
Example 1
The embodiment of the invention provides an agent emergency disaster recovery method for an externally specified virtual machine network, which comprises the following steps as shown in figure 1:
the production machine is backed up, backup data are generated and uploaded to a disaster recovery management program module, and the backup data comprise network information; in a specific implementation manner of the embodiment of the present invention, the network information is information of each network card of the production machine; specifically, the network information includes MAC, IP, subnet mask, gateway, DNS, and alternative DNS of all network cards on the production machine;
the disaster recovery management program module stores the network information into data, creates a disaster recovery strategy, displays the information in the database when configuring the disaster recovery machine network card, and can support modification designation;
initiating a command for creating a disaster recovery machine to the virtualization platform by using the disaster recovery management program, and creating an empty disaster recovery machine by the virtualization platform; in a specific implementation manner of the embodiment of the present invention, the empty disaster recovery machine is an empty virtual machine;
initiating a virtual block device creating command to a virtual block device management program by using a disaster tolerance management program, and mapping the backup data to the virtual block device (the data is consistent with the format of a production machine);
mounting the virtual block device to a specified directory of a backup server by using a virtual block device management program through an iSCSI protocol; that is, the virtual block device manager sends out the virtual block device through the iSCSI protocol, and then mounts the virtual block device to the backup server, and after the backup server recognizes the file system on the virtual block device (mounted disk), the backup server mounts the virtual block device (disk) to the designated directory, such as/test. Returning a mounting success message;
sending the network information to a backup server (specifically, an integrated agent of the backup server) by using a disaster recovery management program, creating a network configuration file for the virtual block device by using the backup server (specifically, the integrated agent of the backup server), writing the network information into the network configuration file of the virtual block device, returning a success message after the network configuration file is successfully written, and unloading the mounted virtual block device;
mounting the virtual block device to the disaster recovery machine;
and starting the disaster recovery machine, reading the content in the network configuration file by the disaster recovery machine, acquiring network information, and performing network setting to realize network access of the disaster recovery machine and provide service for the outside.
Example 2
The embodiment of the invention provides an agent emergency disaster recovery system of an externally specified virtual machine network, which comprises a production machine, a disaster recovery management program, a virtualization platform, a virtual block device management program and a backup server, wherein the production machine is connected with the virtual block device management program;
the production machine is backed up, backup data are generated and uploaded to a disaster recovery management program module, and the backup data comprise network information;
the disaster recovery management program initiates a command for creating a disaster recovery machine to the virtualization platform, and the virtualization platform creates an empty disaster recovery machine;
the disaster recovery management program initiates a virtual block device creating command to a virtual block device management program and maps the backup data to the virtual block device;
the virtual block device management program mounts the virtual block device to a specified directory of a backup server through an iSCSI protocol;
the disaster recovery management program sends the network information to a backup server, and the backup server creates a network configuration file for the virtual block device and writes the network information into the network configuration file of the virtual block device;
mounting the virtual block device to the disaster recovery machine;
and starting the disaster recovery machine, reading the content in the network configuration file by the disaster recovery machine, acquiring network information, and performing network setting to realize network access of the disaster recovery machine and provide service for the outside.
In a specific implementation manner of the embodiment of the present invention, the network information is information of each network card of the production machine.
In a specific implementation manner of the embodiment of the present invention, the network information includes MAC, IP, subnet mask, gateway, DNS, and alternative DNS of all network cards on the production machine.
In a specific implementation manner of the embodiment of the present invention, the storing the network information in a database by using a disaster recovery management program further includes:
and creating a disaster tolerance strategy, and displaying the information in the database when configuring the network card of the disaster tolerance machine.
In a specific implementation manner of the embodiment of the present invention, the empty disaster recovery machine is an empty virtual machine.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An agent emergency disaster recovery method for an externally specified virtual machine network is characterized by comprising the following steps:
the production machine is backed up, backup data are generated and uploaded to a disaster recovery management program module, and the backup data comprise network information;
initiating a command for creating a disaster recovery machine to the virtualization platform by using the disaster recovery management program, and creating an empty disaster recovery machine by the virtualization platform;
initiating a virtual block device creating command to a virtual block device management program by using a disaster tolerance management program, and mapping the backup data to the virtual block device;
mounting the virtual block device to a specified directory of a backup server by using a virtual block device management program through an iSCSI protocol;
sending the network information to a backup server by using a disaster recovery management program, wherein the backup server creates a network configuration file for the virtual block device and writes the network information into the network configuration file of the virtual block device;
mounting the virtual block device to the disaster recovery machine;
and starting the disaster recovery machine, reading the content in the network configuration file by the disaster recovery machine, acquiring network information, and performing network setting to realize network access of the disaster recovery machine and provide service for the outside.
2. The agent emergency disaster recovery method for the externally specified virtual machine network according to claim 1, wherein: the network information is information of each network card of the production machine.
3. The agent emergency disaster recovery method for the externally specified virtual machine network according to claim 2, wherein: the network information comprises MAC, IP, subnet mask, gateway, DNS and alternative DNS of all network cards on the production machine.
4. The agent emergency disaster recovery method for the externally specified virtual machine network according to claim 1, wherein: the storing the network information into a database by using the disaster recovery management program, and then further comprising:
and creating a disaster tolerance strategy, and displaying the information in the database when configuring the network card of the disaster tolerance machine.
5. The agent emergency disaster recovery method for the externally specified virtual machine network according to claim 1, wherein: the empty disaster recovery machine is an empty virtual machine.
6. An emergency disaster recovery system with an agent for an externally appointed virtual machine network is characterized by comprising a production machine, a disaster recovery management program, a virtualization platform, a virtual block device management program and a backup server;
the production machine is backed up, backup data are generated and uploaded to a disaster recovery management program module, and the backup data comprise network information;
the disaster recovery management program initiates a command for creating a disaster recovery machine to the virtualization platform, and the virtualization platform creates an empty disaster recovery machine;
the disaster recovery management program initiates a virtual block device creating command to a virtual block device management program and maps the backup data to the virtual block device;
the virtual block device management program mounts the virtual block device to a specified directory of a backup server through an iSCSI protocol;
the disaster recovery management program sends the network information to a backup server, and the backup server creates a network configuration file for the virtual block device and writes the network information into the network configuration file of the virtual block device;
mounting the virtual block device to the disaster recovery machine;
and starting the disaster recovery machine, reading the content in the network configuration file by the disaster recovery machine, acquiring network information, and performing network setting to realize network access of the disaster recovery machine and provide service for the outside.
7. The agent emergency disaster recovery system of the externally specified virtual machine network according to claim 6, wherein: the network information is information of each network card of the production machine.
8. The agent emergency disaster recovery system of the externally specified virtual machine network according to claim 7, wherein: the network information comprises MAC, IP, subnet mask, gateway, DNS and alternative DNS of all network cards on the production machine.
9. The agent emergency disaster recovery system of the externally specified virtual machine network according to claim 6, wherein: the storing the network information into a database by using the disaster recovery management program, and then further comprising:
and creating a disaster tolerance strategy, and displaying the information in the database when configuring the network card of the disaster tolerance machine.
10. The agent emergency disaster recovery system of the externally specified virtual machine network according to claim 6, wherein: the empty disaster recovery machine is an empty virtual machine.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856343A (en) * | 2012-12-05 | 2014-06-11 | 北京华胜天成科技股份有限公司 | Method and system for configurating virtual machine network information |
| US20150242283A1 (en) * | 2014-02-27 | 2015-08-27 | Red Hat Israel, Ltd. | Backing up virtual machines |
| US20160092261A1 (en) * | 2014-09-30 | 2016-03-31 | Sangfor Technologies Company Limited | Method and system for physical computer system virtualization |
| US20170262204A1 (en) * | 2016-03-09 | 2017-09-14 | Commvault Systems, Inc. | Hypervisor-independent block-level live browse for access to backed up virtual machine (vm) data and hypervisor-free file-level recovery (block-level pseudo-mount) |
| WO2018184698A1 (en) * | 2017-04-07 | 2018-10-11 | NEC Laboratories Europe GmbH | Method and system for supporting creation of virtual machines on a virtualization platform |
| CN110187998A (en) * | 2019-05-09 | 2019-08-30 | 上海爱数信息技术股份有限公司 | The application disaster tolerance system and method stored based on virtual platform and ceph |
| CN111399984A (en) * | 2020-03-19 | 2020-07-10 | 上海英方软件股份有限公司 | File recovery method and system based on virtual machine backup data |
-
2020
- 2020-12-14 CN CN202011462694.2A patent/CN112653739A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856343A (en) * | 2012-12-05 | 2014-06-11 | 北京华胜天成科技股份有限公司 | Method and system for configurating virtual machine network information |
| US20150242283A1 (en) * | 2014-02-27 | 2015-08-27 | Red Hat Israel, Ltd. | Backing up virtual machines |
| US20160092261A1 (en) * | 2014-09-30 | 2016-03-31 | Sangfor Technologies Company Limited | Method and system for physical computer system virtualization |
| US20170262204A1 (en) * | 2016-03-09 | 2017-09-14 | Commvault Systems, Inc. | Hypervisor-independent block-level live browse for access to backed up virtual machine (vm) data and hypervisor-free file-level recovery (block-level pseudo-mount) |
| WO2018184698A1 (en) * | 2017-04-07 | 2018-10-11 | NEC Laboratories Europe GmbH | Method and system for supporting creation of virtual machines on a virtualization platform |
| CN110187998A (en) * | 2019-05-09 | 2019-08-30 | 上海爱数信息技术股份有限公司 | The application disaster tolerance system and method stored based on virtual platform and ceph |
| CN111399984A (en) * | 2020-03-19 | 2020-07-10 | 上海英方软件股份有限公司 | File recovery method and system based on virtual machine backup data |
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