CN107508876A - A kind of data level disaster tolerance method based on Storage Virtualization gateway - Google Patents
A kind of data level disaster tolerance method based on Storage Virtualization gateway Download PDFInfo
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- CN107508876A CN107508876A CN201710700654.9A CN201710700654A CN107508876A CN 107508876 A CN107508876 A CN 107508876A CN 201710700654 A CN201710700654 A CN 201710700654A CN 107508876 A CN107508876 A CN 107508876A
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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
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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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
- H04L41/06—Management of faults, events, alarms or notifications
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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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a kind of data level disaster tolerance method based on Storage Virtualization gateway, the method remains able to provide normal service to greatest extent to solve information system after various disasters are undergone.This method mainly includes：(1) integration of isomery storage.Realize that the storage of different brands distinct interface has identical function by Storage Virtualization gateway SVC, be presented to using identical interface, the storage system of multiple different brands models, which is integrated into single storage pool, to be managed collectively；(2) long-distance disaster of isomery storage.After integrated isomerous storage; long-distance disaster is realized using global mirror technology (Global Mirror); the data of primary data center are transmitted to disaster tolerance data center by dedicated network, there is provided maximum two website distance 800KM business continuance protection.
Description
Technical field
The present invention relates to a kind of data level disaster tolerance method based on Storage Virtualization gateway, belong to data of information system
The technical field of disaster tolerance.
Background technology
With the high speed development of enterprise, business datum amount is constantly soaring, the traffic-operating period of enterprise is record in data, simultaneously
Important information is provided to policymaker.Most enterprises are managed to data center data are centrally stored at present, are carried bringing
While riser is managed with business efficiency, data center is there is also the risk that going to wreck property is hit, and therefore, data disaster tolerance has turned into
One of the problem of enterprise development must consider.
However, the storage device of enterprises is varied：Different brands, the heterogeneous storage devices of different model cause to count
According to " SAN isolated islands " problem, such as the storage device of the different vendor such as IBM, EMC, SUN, HP, HDS can not " compatibility ".
Following challenge is mainly faced when enterprise's disaster tolerance system is established：
1. data been separated in different SAN isolated islands, various heterogeneous storage devices are not " compatibility "；
2. various isomeries storage degree of intelligence are different, can not realize across the data transfer of heterogeneous storage devices and shared；
3. cause to be dispersed in overall disaster tolerance in each equipment because the data in the storage of each isomery can not be shared and be not easy to realize；
4. each storage manufacturer disaster tolerance software is different, can not be general；
5. each independent management interface of storage system, cause the complexity of management；
6. certain storage device failure, cause the loss of important business data.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of data level disaster tolerance based on Storage Virtualization gateway
Method, by the heterogeneous storage devices of the online adapter different brands different model of Storage Virtualization gateway (SVC), and it is integrated into list
One storage pool unified management.Global mirror (Globle Mirror) technology of recycling realizes long-range data asynchronous replication work(
Can, so as to which such as fire, earthquake natural calamity or such as equipment fault, software error service disruption occur when primary data center
Afterwards, operation system can obtain data from disaster tolerance data center, ensure that operation system is normally continuously run.
The present invention uses following technical scheme to solve above-mentioned technical problem：
The present invention provides a kind of data level disaster tolerance method based on Storage Virtualization gateway, and this method is empty by storing
The heterogeneous storage devices of planization gateway SVC adapter different brands different models online, and it is integrated into that single storage pool is unified to manage
Reason；Recycle global mirror technology to realize long-range data asynchronous replication function, specifically include following steps：
(1) integration of isomery storage：Structure unification, rational Highly Scalable storage architecture, store multiple different brands
System combination passes through graphical interfaces GUI streamlining managements into single storage pool；
(2) long-distance disaster of isomery storage：Long range asynchronous replication is realized by global mirror, there is provided the industry of two websites
Continuity of being engaged in protection.
As the further prioritization scheme of the present invention, in step (1), described integrated isomerous storage specific method is as follows：
(1-1) Storage Virtualization gateway SVC adds existing isomery storage environment：For existing storage in user environment
Lun is rolled up, by Image mode operational modes, existing disk is configured intact inherit；
(1-2) virtualizes existing data：After Storage Virtualization gateway SVC addition users existing isomery storage environment,
Original all disk storage equipments are distributed unitedly and managed by SVC, and the data of original disk are transparent by SVC shift function
Ground striping is into virtual volume；
(1-3) needs dynamic creation and distribution virtual volume according to application：When some main frame applies the need to memory space
Ask when changing, SVC dynamically directly allocates memory space in the case where not stopping applying in multiple storage devices.
As the further prioritization scheme of the present invention, in step (2), the long-distance disaster specific method of described isomery storage
It is as follows：
It is the basis for realizing isomery storage and disaster tolerance that (2-1) global mirror, which replicates, is basic using logical volume by optical-fibre channel
Unit, by the data on being locally stored with Unified Form asynchronous mirroring to remote storage device；
(2-2) when server carries out write operation to mirrored volume, SVC writes data in 2 parts of copies simultaneously, i.e., data are divided
In the storage device that mirror image Xie Ru not virtualized；
(2-3) when server reads data in mirrored volume, SVC selects a copy of it copy to be read out；
(2-4) is if during unavailable one of mirrored volume, another copy still provides reading and writing data, and SVC passes through
Bitmap record virtual volume write operation, when disabled virtual roll recovery if automatically synchronizing data；
(2-5) caches when main frame application data writes local SVC, and system returns to an I/O to main frame application immediately and completed
Instruction, data forward the data to long-range SVC by global mirror (Global Mirror) within a period of time and cached.
As the further prioritization scheme of the present invention, long range asynchronous replication is realized by global mirror in step (2), carried
Protected for maximum two website distance 800KM business continuance.
As the further prioritization scheme of the present invention, the length of a period of time described in step (2-5) depends on two
Bandwidth and distance between data center.
As the further prioritization scheme of the present invention, the length of described a period of time is within one minute.
The present invention compared with prior art, has following technique effect using above technical scheme：
1. lifting Data Integration degree, existing isomery storage is fully integrated, is laid a solid foundation for data disaster tolerance, and realizes that storage is high
Can be with so as to ensureing business continuance；
2. fully reuse protection existing investment, kind of different brands and the disk storage system of type up to more than 120 are supported；
3. keeper's operating efficiency of 2 times or so of lifting, keeper can manage disaster tolerance by GUI (graphic user interface)
Process；
4. integrated storage management, reducing the complexity of system, management cost 50% or so is saved；
5. provide two website distance 800KM of maximum disaster tolerance scope.
Embodiment
Technical scheme is described in further detail below：
The data level disaster tolerance method based on Storage Virtualization gateway of the present invention, passes through Storage Virtualization gateway
(SVC) heterogeneous storage devices of online adapter different brands different model, and it is integrated into single storage pool unified management.It is sharp again
Long-range data asynchronous replication function is realized with global mirror (Globle Mirror) technology, so as to work as primary data center
After such as fire, earthquake natural calamity or such as equipment fault, software error service disruption, operation system can be from disaster tolerance number
Data are obtained according to center, ensure that operation system is normally continuously run.
The present invention uses following technical scheme：
(1) integration of isomery storage.The storage for realizing different brands distinct interface by Storage Virtualization gateway (SVC) has
There is identical function, be presented to using identical interface, the storage system of multiple different brands models is integrated into single deposit
Reservoir is managed collectively, and passes through GUI (graphical interfaces) streamlining management；
(2) long-distance disaster of isomery storage.After integrated isomerous storage, global mirror technology (Global is utilized
Mirror long-distance disaster) is realized, the data of primary data center are transmitted to disaster tolerance data center by dedicated network, there is provided be maximum
Two website distance 800KM business continuance protection.
In step (1), described integrated isomerous storage specific method is as follows：
(1-1) Storage Virtualization gateway (SVC) adds existing isomery storage environment：Deposited for existing in user environment
Storage volume (Lun), passes through Image mode operational modes, it is not necessary to does Data Migration and existing disk can be configured and is remained untouched
Succession get off, be fully transparent so to the application on main frame；
(1-2) virtualizes existing data：When Storage Virtualization gateway (SVC) adds the existing isomery storage environment of user
Afterwards, original all disk storage equipments become to be distributed unitedly by SVC and managed from doing things in his own way, and the data of original disk pass through
SVC shift function pellucidly striping into virtual volume；
(1-3) needs dynamic creation and distribution virtual volume according to application：When some main frame applies the need to memory space
Ask when changing, SVC dynamically can directly allocate memory space in the case where not stopping applying in multiple storage devices.
In step (2), the long-distance disaster specific method of described isomery storage is as follows：
It is the basis for realizing isomery storage and disaster tolerance that (2-1) global mirror (Global Mirror), which replicates, is led to by optical fiber
Road, using logical volume as base unit, by the data on being locally stored with Unified Form asynchronous mirroring to remote storage device；
(2-2) when server carries out write operation to mirrored volume, SVC writes data in 2 parts of copies simultaneously.I.e. data are divided
In the storage device that mirror image Xie Ru not virtualized；
(2-3) when server reads data in mirrored volume, SVC will select a copy of it copy to be read out；
(2-4) is if during unavailable one of mirrored volume, another copy still provides reading and writing data, and SVC passes through
Bitmap record virtual volume write operation, when disabled virtual roll recovery if automatically synchronizing data；
(2-5) caches when main frame application data writes local SVC, and system thinks that main frame application returns to an I/O and completed immediately
Instruction, data are in a period of time (in practice generally in the several seconds to one minute or so, dependent on the band between Liang Ge data centers
Wide and distance) long-range SVC is forwarded the data to by global mirror (Global Mirror) cached.
It is described above, it is only the embodiment in the present invention, but protection scope of the present invention is not limited thereto, and is appointed
What be familiar with the people of the technology disclosed herein technical scope in, it will be appreciated that the conversion or replacement expected, should all cover
Within the scope of the present invention, therefore, protection scope of the present invention should be defined by the protection domain of claims.
Claims (6)
- A kind of 1. data level disaster tolerance method based on Storage Virtualization gateway, it is characterised in that this method is empty by storing The heterogeneous storage devices of planization gateway SVC adapter different brands different models online, and it is integrated into that single storage pool is unified to manage Reason；Recycle global mirror technology to realize long-range data asynchronous replication function, specifically include following steps：(1) integration of isomery storage：Structure unification, rational Highly Scalable storage architecture, multiple different brands storage systems It is integrated into single storage pool, passes through graphical interfaces GUI streamlining managements；(2) long-distance disaster of isomery storage：Long range asynchronous replication is realized by global mirror, there is provided the business of two websites connects Continuous property protection.
- 2. a kind of data level disaster tolerance method based on Storage Virtualization gateway according to claim 1, its feature exist In in step (1), described integrated isomerous storage specific method is as follows：(1-1) Storage Virtualization gateway SVC adds existing isomery storage environment：For existing storage volume in user environment Lun, by Image mode operational modes, existing disk is configured intact inherit；(1-2) virtualizes existing data：After Storage Virtualization gateway SVC addition users existing isomery storage environment, originally All disk storage equipments are distributed unitedly and managed by SVC, and the data of original disk pass through SVC shift function pellucidly bar Bandization is into virtual volume；(1-3) needs dynamic creation and distribution virtual volume according to application：Applied when some main frame and the demand of memory space is sent out During changing, SVC dynamically directly allocates memory space in the case where not stopping applying in multiple storage devices.
- 3. a kind of data level disaster tolerance method based on Storage Virtualization gateway according to claim 1, its feature exist In in step (2), the long-distance disaster specific method of described isomery storage is as follows：It is the basis for realizing isomery storage and disaster tolerance that (2-1) global mirror, which replicates, by optical-fibre channel, using logical volume to be substantially single Position, by the data on being locally stored with Unified Form asynchronous mirroring to remote storage device；(2-2) when server carries out write operation to mirrored volume, SVC writes data in 2 parts of copies simultaneously, i.e., data are write respectively In the storage device for entering to virtualize mirror image；(2-3) when server reads data in mirrored volume, SVC selects a copy of it copy to be read out；(2-4) is if during unavailable one of mirrored volume, another copy still provides reading and writing data, and SVC passes through bitmap Record virtual volume write operation, when disabled virtual roll recovery if automatically synchronizing data；(2-5) caches when main frame application data writes local SVC, and system returns to an I/O to main frame application immediately and completes instruction, Data forward the data to long-range SVC by global mirror (Global Mirror) within a period of time and cached.
- 4. a kind of data level disaster tolerance method based on Storage Virtualization gateway according to claim 1, its feature exist In realizing long range asynchronous replication by global mirror in step (2), there is provided maximum two website distance 800KM business connects Continuous property protection.
- 5. a kind of data level disaster tolerance method based on Storage Virtualization gateway according to claim 3, its feature exist In the length of a period of time described in step (2-5) is dependent on the bandwidth and distance between Liang Ge data centers.
- 6. a kind of data level disaster tolerance method based on Storage Virtualization gateway according to claim 5, its feature exist In the length of described a period of time is within one minute.
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