CN107015889B - A kind of implementation method of the multi-user virtual tape library based on cloud computing - Google Patents
A kind of implementation method of the multi-user virtual tape library based on cloud computing Download PDFInfo
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- CN107015889B CN107015889B CN201710237517.6A CN201710237517A CN107015889B CN 107015889 B CN107015889 B CN 107015889B CN 201710237517 A CN201710237517 A CN 201710237517A CN 107015889 B CN107015889 B CN 107015889B
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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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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- 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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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Abstract
The present invention relates to the implementation methods for proposing a kind of multi-user virtual tape library based on cloud computing, comprising: A1, fabrication and installation have the mirror image of the Virtual Tape Library of virtual tape library module, iSCSI interface module and Virtual Tape Library proxy module in cloud computing environment；A2, console is built in cloud computing environment；A3, it utilizes Network Isolation method to create subnet in cloud environment, passes through network firewall between subnet and multi-user's use environment of isolation is provided；A4, Virtual Tape Library virtual machine is created using mirror image in the subnet created by console.The present invention can complete the functions such as creation tape, deletion tape, archival magnetic tape and extraction tape based on cloud by the interaction of console, Virtual Tape Library proxy module, virtual tape library module and iSCSI module.The present invention is combined using cloud computing technology with Virtual Tape Library, is had many advantages, such as manageability, easy to maintain, safer, higher speed and is saved maintenance cost.
Description
Technical field
The invention belongs to Virtual Tape Library technical fields, and in particular to a kind of multi-user virtual tape library based on cloud computing
Implementation method.
Background technique
In existing Enterprise Data backup solution, the storage mode of mainstream is divided into disk storage, physical tape
Library storage and Virtual Tape Library storage.
Physical tape library be as the standby system based on tape automatic load magnetic tape station, it by multiple drivers,
Multiple slots and mechanical arm composition, and the disassembly and filling of tape can be realized automatically by mechanical arm.
Physical tape library can also be directed toward different servers with multiple driver concurrent workings with several drivers to do
Backup, memory capacity reaches PB (ten thousand GB of 1PB=100) grade, it can be achieved that the functions such as continuous backup, automatic search tape, and can be
Intelligent restoration, real time monitoring and statistics are realized under the support of management software, are the capital equipments of centralized network data backup.
The storage of physical tape library is generally used for Backup Data, standby to make calamity.Have that highly-safe, sharing is high, carrying cost
Low, the advantages that capacity is big, warranty period is long, easy to migrate and low energy consumption.
But in actual production environment, physical tape library is had the disadvantage that: the filing and extraction of tape need personnel to participate in；
Hardware fault rate height causes availability low；Deployment maintenance is difficult and at high cost；Equipment cost is high.
Summary of the invention
It is an object of the present invention to provide one for the defects of physical tape library is at high cost, not convenient for safeguarding in the prior art
The implementation method of kind of the multi-user virtual tape library based on cloud computing, with reduce technology that enterprise puts into terms of back up filing and
Fund cost, and it is more easy to maintain using Virtual Tape Library.
In order to achieve the goal above, a kind of realization side of multi-user virtual tape library based on cloud computing provided by the invention
Method mainly includes the following steps that A1 to A4:
A1, the mirror image that Virtual Tape Library is made in general cloud computing environment；
A2, console is built in the cloud computing environment, resource is to support virtual tape in console scheduling cloud
Library work；
A3, it utilizes Network Isolation method to create subnet in the cloud environment, passes through network firewall between subnet and provide
The use environment of multi-user's isolation；
A4, Virtual Tape Library virtual machine is created using the mirror image in the subnet created by the console, opened
Service in dynamic Virtual Tape Library virtual machine and Virtual Tape Library virtual machine is as Virtual Tape Library.
There is the Virtual Tape Library virtual machine virtual tape library module, Virtual Tape Library proxy module and iSCSI to connect
Mouth mold block；The console and the Virtual Tape Library proxy module interconnect；The Virtual Tape Library proxy module and institute
State the control connection of virtual tape library module；The virtual tape library module and the iSCSI interface module communication connection；The void
Quasi- tape library proxy module is monitored by operation requests of the virtual tape library module to iSCSI interface module, and according to prison
The instruction of result and the console is listened to execute corresponding operating in conjunction with the virtual tape library module.
In further scheme of the invention, step A1 the following steps are included:
A11, linux virtual machine is created in the cloud computing environment；
A12, virtual tape library module, iSCSI module and Virtual Tape Library are installed in the linux virtual machine created
Proxy module；
A13, linux virtual machine packing is mirrored into, i.e., the mirror image of required Virtual Tape Library.
In further scheme of the invention, the function of realization includes: creation tape, deletes tape, archival magnetic tape and extraction
Tape.
In further scheme of the invention, creation tape the following steps are included:
B1, console call general cloud computing environment interface to create virtual disk；
B2, console call general cloud computing environment interface to mount virtual disk to Virtual Tape Library virtual machine and console
Virtual Tape Library proxy module is notified to create tape；
B3, Virtual Tape Library proxy module by virtual disk carry that step B2 is mounted and create file system, then adjust
Magnetic tape information is created with the creation tape technique of Virtual Tape Library；
B4, Virtual Tape Library proxy module successively operate Virtual Tape Library and open pop-up slot, insertion virtual tape, close bullet
Magnetic tape information is added to Virtual Tape Library by slot out；
The virtual disk of B5, Virtual Tape Library proxy module unloading step B2 mounting, and notify console；
B6, console cancel the respective virtual disk of mounting Virtual Tape Library virtual machine.
In further scheme of the invention, delete tape the following steps are included:
C1, console notice Virtual Tape Library proxy module delete tape；
C2, Virtual Tape Library proxy module operation Virtual Tape Library check tape state, if unloading tape in driver slot
To pop-up slot, archival magnetic tape operation can be triggered at this time；
C3, Virtual Tape Library proxy module notice console delete virtual disk；
C4, the virtual disk is deleted.
In further scheme of the invention, archival magnetic tape the following steps are included:
D1, Virtual Tape Library proxy module have detected that tape transports pop-up slot；
D2, Virtual Tape Library proxy module successively operate Virtual Tape Library and open pop-up slot, pop-up virtual tape, close bullet
Slot out removes magnetic tape information from Virtual Tape Library；
D3, the notice console filing of Virtual Tape Library proxy module are completed；
D4, console cancel mounting respective virtual disk, and are a reading mode by virtual disk mark.
In further scheme of the invention, extract tape the following steps are included:
E1, console call general cloud computing environment interface mounting virtual disk to Virtual Tape Library virtual machine and to notify void
Quasi- tape library proxy module adds tape；
E2, Virtual Tape Library proxy module successively operate Virtual Tape Library and open pop-up slot, insertion virtual tape, close bullet
Magnetic tape information is added to Virtual Tape Library by slot out；
E3, Virtual Tape Library proxy module notice console are extracted and are completed.
In further scheme of the invention, the console has following functions and permission: being created using the mirror image empty
Quasi- machine, destroy created virtual machine, deliver created virtual machine, in the cloud environment create virtual disk, will be virtual
Disk is deleted from the cloud environment, virtual disk is articulated on virtual machine, cancels the virtual disk mounted on virtual machine.
The utility model has the advantages that the present invention utilizes cloud computing technology in conjunction with Virtual Tape Library, and compared with physical tape library, the present invention
Have many advantages, such as manageability, easy to maintain, safer, higher speed and saves maintenance cost.
Manageability: being not necessarily to physical tape library computer room, searches tape without artificial, only need to connect the present invention with third party software
All resources in virtual tape library module can be managed.
Easy to maintain, low-maintenance cost: without mechanical maintenance needs；Virtual Tape Library meets professional standard, and maintenance rate is low；It supports
Remote online maintenance.
Safer: data transimission and storage is safer.
Capacity is big: based on virtual tape library module in the present invention only when being put into virtual tape drive, just mounting pair
Answer virtual disk to the method for virtual machine, theoretically each virtual tape library module can add unlimited virtual tape.
Multi-user: (virtual private cloud/firewall) is isolated by system for cloud computing, virtual tape library module multi-user uses
It does not interfere with each other.
More rapidly: virtual disk read or write speed is high；Support random read-write, no rewinding time；Unrecorded tape haulage time；Creation
Virtual machine can one-key start virtual tape library module, no purchase of equipment, deployment facility time.
Detailed description of the invention
Fig. 1 is the implementation method overall flow signal for the multi-user virtual tape library based on cloud computing that embodiment provides
Figure.
Fig. 2 is that the Virtual Tape Library based on Fig. 1 creation disposes schematic diagram.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, being carried out below in conjunction with attached drawing and embodiment to the present invention further
Description.
One, central scope
The central scope of the present embodiment is: it is virtual tape that resource virtualizing will be stored in cloud, the virtual machine operation in cloud
Virtual Tape Library (Virtual Tape Library, abbreviation VTL), controls void using agent software (such as VTL Agent)
Quasi- tape library realizes user isolation by network isolation function in cloud, issues virtual magnetic in subnet in cloud using iSCSI module
Band library facilities, to realize a kind of multi-user virtual tape library based on cloud computing.
Virtual Tape Library is deployed in cloud computing environment by the present invention, and Virtual Tape Library is allowed to possess certain spies of cloud computing
Sign, to have the advantages that manageability, easy to maintain, safer, higher speed and saving maintenance cost.
Iscsi technology is a kind of new storing technology, which is by existing scsi interface and Ethernet (Ethernet)
Technology combines, and makes server that can intercourse data with the storage device of IP network is used.ISCSI interface mould in the present embodiment
Block is created that IP-based network interface to the virtual unit of Virtual Tape Library using this technology, realizes the shared spy of tape library
Property.
Virtual Tape Library is made of the finger daemon of a kernel module and some user's spaces, kernel module will guard into
Journey is modeled as scsi device, and finger daemon is responsible for coping with and handling scsi command, responds the operation of tape unit.In virtual tape
Chained list analog tape library slot is used in library, by modifying the content of chained list interior joint come the work of analog mechanical arm transport tape
Make, by the read-write to file come the work of analog magnetic head.Virtual Tape Library can imitate entity magnetic tape equipment response system
The Peripheral device type field that tape responds is sent back to system, can make system will be empty by SCSI command format
Quasi- tape library is considered as the magnetic tape equipment of entity.By installing virtual tape software, by the hard disk in server, or can be serviced
The external drive array of device control, the virtual tape space as storage Backup Data.
The present invention realizes Virtual Tape Library proxy module, that is, VTL Agent, tape library proxy module be Virtual Tape Library with
The middleware of console in cloud, Virtual Tape Library generation after Virtual Tape Library virtual machine is ready, in Virtual Tape Library virtual machine
Reason module obtains the configuration information of virtual tape library module, initialization of virtual magnetic by the particular web site of access cloud service offer
Configuration and function with library module and iSCSI interface module, cooperation console execute corresponding operating, to meet creation tape, delete
Except tape, archival magnetic tape and extract the operational requirements such as tape.
Two, concrete scheme
Also referring to Fig. 1 to Fig. 2, based on the above design, a kind of multi-user based on cloud computing provided in this embodiment
The implementation method of Virtual Tape Library mainly includes the following steps that S100 to S500:
S100, the mirror image that Virtual Tape Library is made in general cloud computing environment.
The general cloud computing environment of step S100 meaning includes but is not limited to: being based on Amazon Web Services EC2
The cloud computing environment of cloud service interface standard, such as domestic high cloud computing of product, external Amazon Web Services and
Eucalyptus etc..
The detailed step of step S100 is S110 to S130:
S110, linux virtual machine is created in the cloud computing environment；
S120, virtual tape library module, iSCSI interface module and virtual magnetic are installed in created linux virtual machine
Tape pool proxy module；
S130, linux virtual machine packing is mirrored into, i.e., the mirror image of required Virtual Tape Library.
S200, console is built in the cloud computing environment.
The console of step S200 meaning has the network ip address that can be accessed in cloud, with the following functions and permission:
It is created using the created virtual machine of the created virtual machine of mirror image creation virtual machine, destruction, delivery, in the cloud environment
Virtual disk is built, virtual disk is deleted from the cloud environment, virtual disk is articulated on virtual machine, is cancelled on virtual machine
The virtual disk of mounting.Subsequent step accordingly executes the instruction based on the console.
S300, in the cloud environment using Network Isolation method (such as VPC, that is, Virtual Private Cloud,
VLAN, VXLAN) creation subnet, multi-user's use environment of isolation is provided by network firewall between subnet.
It realizes that multi-user is isolated using Network Isolation method in step S300, the multi-user of Virtual Tape Library can be made to use mutual
It does not interfere.
S400, Virtual Tape Library virtual machine is created using the mirror image in the subnet created by the console,
Start the service in Virtual Tape Library virtual machine and Virtual Tape Library virtual machine as Virtual Tape Library.
Virtual Tape Library virtual machine has virtual tape library module, Virtual Tape Library proxy module and iSCSI interface mould
Block；The console and the Virtual Tape Library proxy module interconnect；The Virtual Tape Library proxy module and the void
Quasi- tape library module control connection；The virtual tape library module and the iSCSI interface module communication connection.The virtual magnetic
Tape pool proxy module is monitored by operation requests of the virtual tape library module to iSCSI interface module, and is tied according to monitoring
The instruction of fruit and the console executes corresponding operating in conjunction with the virtual tape library module.
Present invention major function in use has creation tape, deletes tape, archival magnetic tape and extracts tape.It is specific
Implementation is as described below:
(1) tape is created
Creation tape is consing.To add tape in Virtual Tape Library, specifically include that
1, console calls general cloud computing environment interface to create virtual disk；
2, console calls general cloud computing environment interface to mount virtual disk to Virtual Tape Library virtual machine and console
Virtual Tape Library proxy module is notified to create tape；
3, Virtual Tape Library proxy module by virtual disk carry that step 2 mounts and creates file system, then calls
The creation tape technique of Virtual Tape Library creates magnetic tape information；
4, Virtual Tape Library proxy module successively operates Virtual Tape Library and opens pop-up slot, insertion virtual tape, closes bullet
Magnetic tape information is added to Virtual Tape Library by slot out；
5, the virtual disk that Virtual Tape Library proxy module unloading step 2 mounts, and notify console；
6, console cancels the respective virtual disk of mounting Virtual Tape Library virtual machine.
(2) tape is deleted
Deletion tape is that consing is specifically included that delete the virtual tape not used in Virtual Tape Library
1, console notice Virtual Tape Library proxy module deletes tape；
2, Virtual Tape Library proxy module operation Virtual Tape Library checks tape state, if unloading tape in driver slot
To pop-up slot, archival magnetic tape operation can be triggered at this time；
3, Virtual Tape Library proxy module notice console deletes virtual disk；
4, the virtual disk is deleted.
(3) archival magnetic tape
Archival magnetic tape is Virtual Tape Library operation, at the end of virtual tape use, tape archive to be saved.
User by iSCSI interface operation Virtual Tape Library transport virtual tape to pop up slot when trigger.It specifically includes that
1, Virtual Tape Library proxy module has detected that tape transports pop-up slot；
2, Virtual Tape Library proxy module successively operates Virtual Tape Library and opens pop-up slot, pop-up virtual tape, closes bullet
Slot out removes magnetic tape information from Virtual Tape Library；
3, Virtual Tape Library proxy module notice console filing is completed；
4, console cancels mounting respective virtual disk, and is a reading mode by virtual disk mark.
(4) tape is extracted
Extraction tape is consing, is needed using use when the tape filed.User passes through consing,
The tape of filing is extracted Virtual Tape Library to use.It specifically includes that
1, console calls general cloud computing environment interface mounting virtual disk to Virtual Tape Library virtual machine and to notify void
Quasi- tape library proxy module adds tape；
2, Virtual Tape Library proxy module successively operates Virtual Tape Library and opens pop-up slot, insertion virtual tape, closes bullet
Magnetic tape information is added to Virtual Tape Library by slot out；
3, Virtual Tape Library proxy module notice console, which extracts, completes.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (6)
1. a kind of implementation method of the multi-user virtual tape library based on cloud computing, which comprises the following steps:
A1, the mirror image that Virtual Tape Library is made in general cloud computing environment；
A2, console is built in the cloud computing environment, resource is to support Virtual Tape Library work in console scheduling cloud
Make；
A3, it utilizes Network Isolation method to create subnet in the cloud computing environment, passes through network firewall between subnet and provide
The use environment of multi-user's isolation；
A4, Virtual Tape Library virtual machine is created using the mirror image in the subnet created by the console, starting is empty
Service in quasi- tape library virtual machine and Virtual Tape Library virtual machine is as Virtual Tape Library；
The Virtual Tape Library virtual machine has virtual tape library module, Virtual Tape Library proxy module and iSCSI interface mould
Block；The console and the Virtual Tape Library proxy module interconnect；The Virtual Tape Library proxy module and the void
Quasi- tape library module control connection；The virtual tape library module and the iSCSI interface module communication connection；The virtual magnetic
Tape pool proxy module is monitored by operation requests of the virtual tape library module to iSCSI interface module, and is tied according to monitoring
The instruction of fruit and the console executes corresponding operating in conjunction with the virtual tape library module；
The function of realization includes: creation tape, deletes tape, archival magnetic tape and extract tape；Create tape the following steps are included:
B1, console call general cloud computing environment interface to create virtual disk；
B2, console call general cloud computing environment interface to mount virtual disk to Virtual Tape Library virtual machine and console notice
Virtual Tape Library proxy module creates tape；
B3, Virtual Tape Library proxy module by virtual disk carry that step B2 is mounted and create file system, then call empty
The creation tape technique of quasi- tape library creates magnetic tape information；
B4, Virtual Tape Library proxy module successively operate Virtual Tape Library and open pop-up slot, insertion virtual tape, close pop-up
Magnetic tape information is added to Virtual Tape Library by slot；
The virtual disk of B5, Virtual Tape Library proxy module unloading step B2 mounting, and notify console；
B6, console cancel the respective virtual disk of mounting Virtual Tape Library virtual machine.
2. the implementation method of the multi-user virtual tape library according to claim 1 based on cloud computing, which is characterized in that institute
State step A1 the following steps are included:
A11, linux virtual machine is created in the cloud computing environment；
A12, virtual tape library module, iSCSI module and Virtual Tape Library agency are installed in the linux virtual machine created
Module；
A13, linux virtual machine packing is mirrored into, i.e., the mirror image of required Virtual Tape Library.
3. the implementation method of the multi-user virtual tape library according to claim 1 based on cloud computing, which is characterized in that delete
Except tape the following steps are included:
C1, console notice Virtual Tape Library proxy module delete tape；
C2, Virtual Tape Library proxy module operation Virtual Tape Library check tape state, if unloading tape to bullet in driver slot
Slot out can trigger archival magnetic tape operation at this time；
C3, Virtual Tape Library proxy module notice console delete virtual disk；
C4, the virtual disk is deleted.
4. the implementation method of the multi-user virtual tape library according to claim 1 based on cloud computing, which is characterized in that return
Shelves tape the following steps are included:
D1, Virtual Tape Library proxy module have detected that tape transports pop-up slot；
D2, Virtual Tape Library proxy module successively operate Virtual Tape Library and open pop-up slot, pop-up virtual tape, close pop-up
Slot removes magnetic tape information from Virtual Tape Library；
D3, the notice console filing of Virtual Tape Library proxy module are completed；
D4, console cancel mounting respective virtual disk, and are a reading mode by virtual disk mark.
5. the implementation method of the multi-user virtual tape library according to claim 1 based on cloud computing, which is characterized in that mention
Take tape the following steps are included:
E1, console call general cloud computing environment interface mounting virtual disk to Virtual Tape Library virtual machine and to notify virtual magnetic
Tape pool proxy module adds tape；
E2, Virtual Tape Library proxy module successively operate Virtual Tape Library and open pop-up slot, insertion virtual tape, close pop-up
Magnetic tape information is added to Virtual Tape Library by slot；
E3, Virtual Tape Library proxy module notice console are extracted and are completed.
6. the implementation method of the multi-user virtual tape library according to any one of claims 1 to 5 based on cloud computing, special
Sign is that the console has following functions and permission: being created using mirror image creation virtual machine, destruction virtual
Machine, deliver created virtual machine, create in the cloud computing environment virtual disk, by virtual disk from the cloud computing ring
It is deleted in border, virtual disk is articulated on virtual machine, cancels the virtual disk mounted on virtual machine.
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