CN106250269A - The file system data restoration methods of a kind of virtual machine and system - Google Patents
The file system data restoration methods of a kind of virtual machine and system Download PDFInfo
- Publication number
- CN106250269A CN106250269A CN201610602528.5A CN201610602528A CN106250269A CN 106250269 A CN106250269 A CN 106250269A CN 201610602528 A CN201610602528 A CN 201610602528A CN 106250269 A CN106250269 A CN 106250269A
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- Prior art keywords
- virtual machine
- file system
- data
- described virtual
- writeable
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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
- G06F11/1469—Backup restoration techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/815—Virtual
Abstract
This application discloses the file system data restoration methods of a kind of virtual machine, including: in advance the file system of virtual machine is divided into writeable file system and read-only file system；Virtual machine is monitored in real time；If the file system monitoring virtual machine is destroyed, then utilize Backup Data in advance that the writeable file system of virtual machine is carried out corresponding data recovery process.In this application, in advance the file system of virtual machine writeable file system and read-only file system have been divided into.Suffer to destroy due to the data in virtual machine and be often as what data write operation caused, so, when the file system monitoring virtual machine is destroyed, then only the writeable file system in virtual machine is carried out data recovery process, the time data recovery procedure of virtual machine file system needed for thus can be greatly decreased, thus improve virtual-machine data and recover efficiency.Accordingly, disclosed herein as well is the file system data recovery system of a kind of virtual machine.
Description
Technical field
The present invention relates to virtual-machine data recovery technology field, the file system data particularly to a kind of virtual machine recovers
Method and system.
Background technology
Currently, along with the development of computer technology, increasing hardware computing terminal starts install one the most
Platform virtual machine.Each virtual machine all contains independent virtual opetrating system, driver, interface, application program etc., it is possible to as
One bare machine is operated like that, is thus equivalent to make a hardware computing terminal as multiple stage computing terminal
With such that it is able to save substantial amounts of hardware purchase cost for technical staff.
Virtual machine easily breaks down during day-to-day operation, thus causes the data of virtual machine file system to be broken
Bad, in this case need virtual machine is carried out data recovery process.
But, prior art, when virtual machine is carried out data recovery process, is that file system whole to virtual machine is carried out
Totally recover, although it is more complete to be so able to ensure that data recover ground, but need to consume substantial amounts of time cost, reduce
Data recovering efficiency.
In sum it can be seen that the data recovery procedure required time how reducing virtual machine file system is to have at present
Problem to be solved.
Summary of the invention
In view of this, it is an object of the invention to provide file system data restoration methods and the system of a kind of virtual machine,
Decrease the time needed for the data recovery procedure of virtual machine file system, improve data recovering efficiency.Its concrete scheme is such as
Under:
A kind of file system data restoration methods of virtual machine, including:
In advance the file system of described virtual machine is divided into writeable file system and read-only file system；
Described virtual machine is monitored in real time；
If the file system monitoring described virtual machine is destroyed, then utilize in advance Backup Data to described virtual machine
Writeable file system carries out corresponding data recovery process；Wherein, described Backup Data in advance is in advance to described virtual machine
The data that data in writeable file system obtain after backing up.
Preferably, the data in the writeable file system of described virtual machine include described virtual machine system configuration information,
The data message that the status information of described virtual machine and described virtual machine produce in running；
Data in the read-only file system of described virtual machine include the operating system Mirror Info of described virtual machine.
Preferably, the described process that described virtual machine is monitored in real time, including:
The duty of described virtual machine is monitored in real time；
If monitoring described virtual machine to break down, then whether monitor the file system of described virtual machine because of current failure
Destroyed.
Preferably, described Backup Data in advance is to increase the data in the writeable file system of described virtual machine in advance
Amount snapshot processes the data obtained.
Preferably, the read-only file system of described virtual machine is arranged at the memory area by mandatory protection.
Preferably, the described memory area by mandatory protection is positioned at the external security storage being connected with described virtual machine and sets
Standby.
Preferably, described external security storage device is for the read-only file system to one or more described virtual machines
Carry out the safety storage apparatus preserved.
Preferably, the writeable file system of described virtual machine is arranged at the internal storage space of described virtual machine.
The invention also discloses the file system data recovery system of a kind of virtual machine, including:
File system divides module, for the file system of described virtual machine is divided into writeable file system and only in advance
Read file system；
Monitoring modular, for monitoring in real time described virtual machine；
Data recovery module, for being destroyed to the file system of described virtual machine, then when described monitoring module monitors
Utilize Backup Data in advance that the writeable file system of described virtual machine is carried out corresponding data recovery process；Wherein, described pre-
First Backup Data be in advance the data in the writeable file system of described virtual machine are backed up after the data that obtain.
Preferably, the read-only file system of described virtual machine is arranged at the memory area by mandatory protection.
In the present invention, the file system data restoration methods of virtual machine, including: in advance the file system of virtual machine is divided
Become writeable file system and read-only file system；Virtual machine is monitored in real time；If the file system monitoring virtual machine meets with
To destroying, then utilize Backup Data in advance that the writeable file system of virtual machine is carried out corresponding data recovery process；Wherein, in advance
First Backup Data be in advance the data in the writeable file system of virtual machine are backed up after the data that obtain.In the present invention
In, in advance the file system of virtual machine has been divided into writeable file system and read-only file system, so-called can written document
System refers to the file system that can respond data write operation in virtual machine, and read-only file system refers in void
The file system being merely able to data read operation is responded in plan machine and cannot data write operation be responded.Due to
Data in virtual machine are suffered to destroy and are often as what data write operation caused, so, in the present invention, when monitoring void
The file system of plan machine is destroyed, then only the writeable file system in virtual machine is carried out data recovery process, and without right
Read-only file system in virtual machine recovers, and the data recovery procedure institute of virtual machine file system thus can be greatly decreased
The time needed, thus improve virtual-machine data and recover efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the file system data restoration methods flow chart of a kind of virtual machine disclosed in the embodiment of the present invention；
Fig. 2 is the file system data recovery system structural representation of a kind of virtual machine disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the invention discloses the file system data restoration methods of a kind of virtual machine, shown in Figure 1, the method
Including:
Step S11: in advance the file system of virtual machine is divided into writeable file system and read-only file system.
That is, in the present embodiment, before whether the file system of virtual machine is suffered that destruction is monitored in real time, the most right
The file system of virtual machine divides, to obtain writeable file system and read-only file system.
It is understood that above-mentioned writeable file system refers to respond data write operation in virtual machine
File system, that is, be all to have write into above-mentioned writeable file system toward all data of write in virtual machine.And it is above-mentioned read-only
File system refers to be merely able to respond data read operation and cannot ring data write operation in virtual machine
The file system answered, that is, the external world cannot write data in above-mentioned system file system.
Therefore, the embodiment of the present invention is based on the division principle that can respond data write operation, comes
The file system of virtual machine is divided, thus obtains writeable file system and read-only file system.
Step S12: virtual machine is monitored in real time.
That is, after the file system division to virtual machine, can start virtual machine is monitored in real time, with prison
Whether the file system surveying virtual machine is destroyed, if destroyed, then triggers below step S13.
Step S13: if the file system monitoring virtual machine is destroyed, then utilize in advance Backup Data to virtual machine
Writeable file system carries out corresponding data recovery process；Wherein, in advance Backup Data be in advance to virtual machine can written document
The data that data in system obtain after backing up.
It is understood that the virtual machine in the present embodiment is carried out data return recovery process before, need first to upper
The total data stated in writeable file system backs up, to obtain above-mentioned Backup Data in advance.When monitoring virtual machine
After file system is destroyed, then may utilize above-mentioned Backup Data in advance and the writeable file system of virtual machine is counted accordingly
Process according to recovery.
In the embodiment of the present invention, the file system data restoration methods of virtual machine, including: in advance by the file system of virtual machine
System is divided into writeable file system and read-only file system；Virtual machine is monitored in real time；If monitoring the file of virtual machine
System is destroyed, then utilize Backup Data in advance that the writeable file system of virtual machine is carried out corresponding data recovery process；
Wherein, in advance Backup Data be in advance the data in the writeable file system of virtual machine are backed up after the data that obtain.?
In the embodiment of the present invention, in advance the file system of virtual machine is divided into writeable file system and read-only file system, institute
The writeable file system of meaning refers to the file system that can respond data write operation in virtual machine, and read-only file
System refers to be merely able to respond data read operation in virtual machine and cannot respond data write operation
File system.Suffer to destroy due to the data in virtual machine and be often as what data write operation caused, so, in the present invention
In embodiment, when the file system monitoring virtual machine is destroyed, then only to the writeable file system number in virtual machine
Process according to recovery, and without the read-only file system in virtual machine is recovered, virtual machine file thus can be greatly decreased
Time needed for the data recovery procedure of system, thus improve virtual-machine data and recover efficiency.
The embodiment of the invention discloses the file system data restoration methods of a kind of concrete virtual machine, real relative to upper one
Executing example, technical scheme has been made further instruction and optimization by the present embodiment.Concrete:
In upper embodiment step S11, before whether the file system of virtual machine is suffered that destruction is monitored in real time,
First the file system of virtual machine is divided, to obtain writeable file system and read-only file system.
And in the present embodiment, the data in above-mentioned writeable file system specifically can include the system configuration letter of virtual machine
The data message that breath, the status information of virtual machine and virtual machine produce in running.That is, the present embodiment is the most permissible
System configuration information in former virtual machine, status information and the data message that produces in running are divided to one solely
Vertical file system, thus form above-mentioned so-called writeable file system.
It addition, the data in above-mentioned read-only file system specifically can include the operating system Mirror Info of virtual machine.Also
That is, the operating system Mirror Info in former virtual machine specifically can be divided to another independent file system by the present embodiment,
Thus define above-mentioned so-called read-only file system.
Further, in upper embodiment step S12, the process that virtual machine is monitored in real time, specifically can include
Below step S121 and step S122；Wherein,
Step S121: the duty of virtual machine is monitored in real time；
Whether step S122: break down if monitoring virtual machine, then monitor the file system of virtual machine because of current failure
And destroyed.
That is, the present embodiment is first to monitor the duty of virtual machine in real time, if it find that virtual machine occurs in that
Fault, then mean that the file system in now virtual machine may be destroyed because of current failure, therefore, monitoring void
After plan machine breaks down, then continue whether the file system to virtual machine suffers that destroying expansion monitors.Certainly, at the present embodiment
In, it is also possible to directly whether the file system to virtual machine suffers that destroying expansion monitors.
In upper embodiment step S13, in the case of the file system monitoring virtual machine is destroyed, can utilize pre-
First Backup Data carries out corresponding data recovery process to above-mentioned writeable file system.Wherein, above-mentioned Backup Data in advance is concrete
Can be the data in the writeable file system of virtual machine to carry out incremental snapshot in advance process the data obtained.That is, this
Bright embodiment preferentially uses the mode of incremental snapshot that writeable file system is carried out back-up processing, to obtain above-mentioned backing up number in advance
According to.
In the present embodiment, preferentially the read-only file system of virtual machine is arranged at the memory area by mandatory protection.More
Body, the above-mentioned memory area by mandatory protection is preferentially arranged at the external security storage device being connected with virtual machine.Wherein, should
External security storage device is particularly for the safety storage preserving the read-only file system of one or more virtual machines
Equipment.That is, in the present embodiment, an external security storage device can be used to preserve the read-only file system of multiple virtual machine
System, so can save hardware cost.Certainly, the embodiment of the present invention can also be the read-only file system distribution of every virtual machine
One independent external security storage device, so can further promote the safety of data.And it is empty in the present embodiment
The writeable file system of plan machine may be disposed at the internal storage space of virtual machine, so can reduce hardware cost, and favorably
In the writing speed ensureing data.
Correspondingly, the embodiment of the invention also discloses the file system data recovery system of a kind of virtual machine, see Fig. 2 institute
Showing, this system includes:
File system divides module 21, for the file system of virtual machine is divided into writeable file system and read-only in advance
File system；
Monitoring modular 22, for monitoring in real time virtual machine；
Data recovery module 23, for being destroyed when the file system of monitoring module monitors to virtual machine, then utilizes pre-
First Backup Data carries out corresponding data recovery process to the writeable file system of virtual machine；Wherein, Backup Data is pre-in advance
The data obtained after first the data in the writeable file system of virtual machine being backed up.
In embodiments of the present invention, in advance the file system of virtual machine has been divided into writeable file system and read-only literary composition
Part system, so-called writeable file system refers to the file system that can respond data write operation in virtual machine,
And read-only file system refers to be merely able to respond data read operation in virtual machine and cannot be to data write operation
Carry out the file system responded.Suffer to destroy due to the data in virtual machine and be often as what data write operation caused, institute
With, in embodiments of the present invention, when the file system monitoring virtual machine is destroyed, then only in virtual machine can written document
System carries out data recovery process, and without recovering the read-only file system in virtual machine, thus can be greatly decreased
Time needed for the data recovery procedure of virtual machine file system, thus improve virtual-machine data and recover efficiency.
In the present embodiment, the data in above-mentioned writeable file system specifically can include virtual machine system configuration information,
The data message that the status information of virtual machine and virtual machine produce in running.That is, in the present embodiment, above-mentioned file
System divides module specifically can be by the system configuration information in former virtual machine, status information and generation in running
Data message is divided to an independent file system, thus forms above-mentioned so-called writeable file system.
It addition, the data in above-mentioned read-only file system specifically can include the operating system Mirror Info of virtual machine.Also
That is, in the present embodiment, above-mentioned file system divides module and specifically can be divided by the operating system Mirror Info in former virtual machine
To the file system that another is independent, thus define above-mentioned so-called read-only file system.
In the present embodiment, above-mentioned monitoring modular specifically includes the first monitoring means and the second monitoring means；Wherein, the first prison
Surveying unit to be used for monitoring the duty of virtual machine in real time, the second monitoring means then can be at above-mentioned first monitoring means
Monitor in the case of virtual machine breaks down, because of current failure, whether the file system of virtual machine is suffered that destroying expansion supervises
Survey.
In the present embodiment, above-mentioned Backup Data in advance is specifically as follows in advance to the number in the writeable file system of virtual machine
The data obtained are processed according to carrying out incremental snapshot.That is, the embodiment of the present invention preferentially uses the mode of incremental snapshot to writeable literary composition
Part system carries out back-up processing, to obtain above-mentioned Backup Data in advance.
In the present embodiment, preferentially the read-only file system of virtual machine is arranged at the memory area by mandatory protection.More
Body, the above-mentioned memory area by mandatory protection is preferentially arranged at the external security storage device being connected with virtual machine.Wherein, should
External security storage device is particularly for the safety storage preserving the read-only file system of one or more virtual machines
Equipment.That is, in the present embodiment, an external security storage device can be used to preserve the read-only file system of multiple virtual machine
System, so can save hardware cost.Certainly, the embodiment of the present invention can also be the read-only file system distribution of every virtual machine
One independent external security storage device, so can further promote the safety of data.And it is empty in the present embodiment
The writeable file system of plan machine may be disposed at the internal storage space of virtual machine, so can reduce hardware cost, and favorably
In the writing speed ensureing data.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in including the process of described key element, method, article or equipment.
File system data restoration methods and system to a kind of virtual machine provided by the present invention have been carried out in detail above
Introducing, principle and the embodiment of the present invention are set forth by specific case used herein, the explanation of above example
It is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to this
The thought of invention, the most all will change, and in sum, this specification content should not
It is interpreted as limitation of the present invention.
Claims (10)
1. the file system data restoration methods of a virtual machine, it is characterised in that including:
In advance the file system of described virtual machine is divided into writeable file system and read-only file system；
Described virtual machine is monitored in real time；
If the file system monitoring described virtual machine is destroyed, then utilize writeable to described virtual machine of Backup Data in advance
File system carries out corresponding data recovery process；Wherein, described Backup Data in advance is writeable to described virtual machine in advance
The data that data in file system obtain after backing up.
The file system data restoration methods of virtual machine the most according to claim 1, it is characterised in that
Data in the writeable file system of described virtual machine include the system configuration information of described virtual machine, described virtual machine
The data message that status information and described virtual machine produce in running；
Data in the read-only file system of described virtual machine include the operating system Mirror Info of described virtual machine.
The file system data restoration methods of virtual machine the most according to claim 1, it is characterised in that described to described void
The process that plan machine is monitored in real time, including:
The duty of described virtual machine is monitored in real time；
If monitoring described virtual machine to break down, then whether the file system monitoring described virtual machine is suffered because of current failure
Destroy.
The file system data restoration methods of virtual machine the most according to claim 1, it is characterised in that described back up in advance
Data are the data in the writeable file system of described virtual machine to carry out incremental snapshot in advance process the data obtained.
The file system data restoration methods of virtual machine the most according to claim 1, it is characterised in that described virtual machine
Read-only file system is arranged at the memory area by mandatory protection.
The file system data restoration methods of virtual machine the most according to claim 5, it is characterised in that described protected by pressure
The memory area protected is positioned at the external security storage device being connected with described virtual machine.
The file system data restoration methods of virtual machine the most according to claim 6, it is characterised in that described external security
Storage device is the safety storage apparatus for preserving the read-only file system of one or more described virtual machines.
8. according to the file system data restoration methods of the virtual machine described in any one of claim 5 to 7, it is characterised in that institute
The writeable file system stating virtual machine is arranged at the internal storage space of described virtual machine.
9. the file system data recovery system of a virtual machine, it is characterised in that including:
File system divides module, and the file system of described virtual machine is divided into writeable file system and read-only literary composition in advance
Part system；
Monitoring modular, for monitoring in real time described virtual machine；
Data recovery module, for being destroyed to the file system of described virtual machine when described monitoring module monitors, then utilizes
Backup Data carries out corresponding data recovery process to the writeable file system of described virtual machine in advance；Wherein, described the most standby
Number is according to the data for obtaining after backing up the data in the writeable file system of described virtual machine in advance.
The file system data recovery system of virtual machine the most according to claim 9, it is characterised in that described virtual machine
Read-only file system be arranged at the memory area by mandatory protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602528.5A CN106250269A (en) | 2016-07-27 | 2016-07-27 | The file system data restoration methods of a kind of virtual machine and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602528.5A CN106250269A (en) | 2016-07-27 | 2016-07-27 | The file system data restoration methods of a kind of virtual machine and system |
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| US20100058106A1 (en) * | 2008-08-27 | 2010-03-04 | Novell, Inc. | Virtual machine file system and incremental snapshot using image deltas |
| US20120017114A1 (en) * | 2010-07-19 | 2012-01-19 | Veeam Software International Ltd. | Systems, Methods, and Computer Program Products for Instant Recovery of Image Level Backups |
| CN105446826A (en) * | 2014-06-30 | 2016-03-30 | 国际商业机器公司 | Virtual machine backup and recovery method and device |
-
2016
- 2016-07-27 CN CN201610602528.5A patent/CN106250269A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100058106A1 (en) * | 2008-08-27 | 2010-03-04 | Novell, Inc. | Virtual machine file system and incremental snapshot using image deltas |
| US20120017114A1 (en) * | 2010-07-19 | 2012-01-19 | Veeam Software International Ltd. | Systems, Methods, and Computer Program Products for Instant Recovery of Image Level Backups |
| CN105446826A (en) * | 2014-06-30 | 2016-03-30 | 国际商业机器公司 | Virtual machine backup and recovery method and device |
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