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You need to know about cloud disaster recovery
2022-04-23 16:04:00 【Wanbo Zhiyun oneprocloud】
As more and more large enterprises choose to go to the cloud ,IT The cloudization of infrastructure has ushered in a market inflection point . according to IDC released 《 Global cloud computing IT Infrastructure Market Forecast Report 》 Show :2020 First quarter , Global cloud IT The proportion of infrastructure investment has exceeded that of traditional investment IT infrastructure , reach 55.13%, This means that the above cloud represents a new IT The architecture has gone beyond the traditional old IT framework , Become the market leader .
More and more Chinese enterprises are seeking digital transformation in the data explosion , Because traditional platforms are often difficult to support a wide range of digital environments , Support a large number of digital applications , Enterprises have deployed more digital applications to cloud platforms . In order to ensure the data security and business continuity of the enterprise , More and more enterprises will continue to IT Disaster recovery construction of the system .IDC It is predicted that the disaster recovery service market will continue to grow , The construction of disaster recovery system by enterprises will also move towards a new direction —— Turn to cloud disaster tolerance .
Cloud disaster tolerance refers to the use of data 、 Cloud migration of the system 、 High availability and other ways to achieve rapid business takeover , Ensure business continuity . Cloud disaster tolerance is a service model to adapt to the era of cloud and big data , Will file 、 Data volume 、 database 、 operating system 、 Disaster recovery of virtual machines to the cloud .
2016 year , Cloud disaster tolerance has become one of the important keywords in the disaster recovery industry , Users from local to cloud 、 Data migration between clouds 、 Backup and recovery 、 Business high availability and other requirements appear in batches . This is mainly due to the increase of cloud demand and the gradual establishment of data security protection mechanism as an important asset of the organization .2019 year , Cloud security is one of the key factors to promote cloud disaster tolerance , Cloud disaster recovery products are more abundant , The cloud disaster recovery market is more competitive , Hybrid cloud disaster recovery has become one of the scene applications with rich disaster recovery , In addition to introducing third-party disaster recovery technology service providers , At the same time, strengthen and improve the functions of the platform in restoring business and other products .
2020 year , With the maturity of cloud business applications , The data generated in the cloud surges , The needs of users are not limited to the traditional application scenarios of cloud disaster tolerance , Big data synchronization 、 Unified data management 、 Data sharing 、 Intelligent commercial application of data , Are promoting the continuous development of cloud disaster recovery technology , This also lays the foundation for the sustainable development of cloud disaster recovery market .
Advantages of cloud disaster tolerance
For many IT For users with limited resources , Cloud based disaster recovery is a good choice , Because cloud service is a pay as you go model , If the enterprise builds its own disaster recovery facilities , It is idle and standby most of the time , So the cloud is very suitable for those small and medium-sized enterprises . After using cloud services to set up disaster recovery sites , Enterprise to data center space 、IT Infrastructure and IT The dependence on resources will be greatly reduced , This will lead to a significant reduction in operating costs . With the help of the cloud , Small businesses can also implement disaster recovery systems , And before that , Only large enterprises can do this .
Cloud disaster recovery combined with cloud platform computing 、 Storage and bandwidth and so on , Compared with traditional disaster recovery, it has many advantages :
# 1 Infrastructure reduction
Abandon purchasing traditional disaster recovery servers , With the help of computing and storage platforms provided by cloud platform providers , Or directly adopt cloud disaster recovery DRaaS Application service , Solve the trouble of reinstalling the system . Cloud disaster tolerance technology has the characteristics of operation and maintenance , Customers no longer need to purchase new storage devices . Traditional disaster recovery schemes are more complex , In addition to the software level, it is more about the investment and operation and maintenance of hardware equipment , Cloud disaster tolerance technology scheme can effectively reduce maintenance requirements and cost consumption . Customers save more physical space while , It can also save more IT resources , Liberate relevant maintenance personnel , Participate in other work .
# 2 Reduce IT cost
Cloud storage system adopts a large number of cheap ordinary hosts , Based on the Internet , Using distributed collaborative software , The data is distributed and stored on several general storage servers , And conduct comprehensive management through copy or coding methods , Provide users with reliable and unified logical storage space .
Adopt more economical methods according to specific needs 、 More elastic cloud storage for backup , Eliminate the hardware purchase and maintenance cost caused by self built data center , Avoid the trouble of maintaining all kinds of hardware , It realizes the fine management of resources , Thus reducing most of the disaster recovery expenses .
# 3 Pay as you go
Different from the traditional disaster recovery scheme, it is necessary to establish a disaster recovery center with completely corresponding architecture , Cloud disaster tolerance can use cloud infrastructure or DRaaS Pattern , Allow users to freely select important systems and data . So whether it's business takeover or drill , Customers only need to pay for the resources they actually use , It greatly reduces the waste of resources , And improved efficiency .
# 4 High flexibility
Cloud disaster recovery makes it easier to assess business needs , Users can more accurately predict which system 、 Even which subsystem needs maintenance , You can also choose key data more finely to optimize your backup plan , Instead of a full backup of the whole , Set more precisely RPO , That is, the maximum amount of data loss that can be tolerated . High availability built in the cloud 、 High error tolerance architecture can improve RTO and RPO, Based on public cloud platform or open source private cloud technology , You can also easily, quickly and flexibly build disaster recovery nodes and migrate or copy data to the cloud , Speed up disaster recovery .
# 5 Fast recovery
In the event of a disaster , How long downtime is acceptable , Different users have different needs according to their own business characteristics . If the server goes down 、 A long power outage 、 How long after accidents such as fiber cutting or sudden natural disasters will lead to losses , For many users, the immediate consequences are . Because even with traditional customized remote backup , Still need time to do data recovery and business restart , And it depends on the location of remote backup and the performance of remote server . Cloud disaster recovery is the ability to make full use of the cloud , Start the business in the cloud .
# 6 Secure backup
Many users have backup systems directly or indirectly with existing production systems . But when many disasters happen , It will also have an impact on the current network system , This will affect the associated backup data and system . If the corresponding system is attacked by network or tampered with data , Then the corresponding backup system cannot be spared . The cloud platform used for cloud disaster recovery generally has high reliability and high standard infrastructure such as remote cloud data center , So that the backup can be safely stored in a remote place . Of course, the choice of service providers and cloud disaster tolerance technology is very important , To adopt CDP Incremental backup technology and instant recovery , Adopt whole process encryption , At the same time, the data has the function of re deletion and compression , Greatly shorten the recovery time of data .
in summary , The unique high performance of cloud disaster tolerance service 、 high reliability 、 High scalability 、 Maintainability 、 Low responsibility risk and cost-effective service features , Help users build high availability at low cost 、 flexible 、 Pay as you go professional cloud disaster recovery platform , Help enterprises manage scientifically .
Cloud disaster tolerance brings new application scenarios
With ICT Research and development of technology in Enterprises 、 production 、 sales 、 Service and other links continue to penetrate , In practice, we find that the data of cloud disaster tolerance may no longer be idle standby data , Reuse data backed up in the cloud , It is a new scene that enterprises are constantly trying .
# 1 Any drill
Build a disaster recovery exercise environment , Without affecting the business , Simulate real fault recovery scenarios , Test the applicability and effectiveness of the disaster recovery scheme , Easily controllable , Non destructive production system . Mount to the cloud platform and start running , Switch after verification , Quick recovery through contingency plans , Improve business continuity .
# 2 Upgrade test
Upgrade test is to verify whether the relevant upgraded version matches the existing system , Otherwise, the customer will not be able to install the software or upgrade . Upgrading test is a necessary step before software release , Upgrading the test environment , More and more enterprises can put the upgrade test into the disaster recovery environment , The cloud environment provided by cloud disaster tolerance can further help enterprise customers save resources , cost reduction .
# 3 Report making
To meet the needs of different reports and secure backup , Making reports in cloud disaster recovery environment , Data analysis can be realized 、 Data reuse and other functions , At the same time, it can protect data from loss , This makes report publishing easier , It can also reduce resource consumption and operation and maintenance workload .
# 4 Big data platform
Big data “ The large capacity ” Has reached PB The scale of the data . In disaster recovery of massive data , How to ensure the consistency of primary and standby data and the real-time synchronization of incremental data , Is an important prerequisite for data analysis . The increase of data volume requires extremely high bandwidth resources in the process of disaster recovery backup , How to invest in limited resources , Real time synchronization of data , It is also a problem that must be considered for big data disaster recovery .“ big data ” The application still has the problem of real-time , In particular, it involves applications related to online transactions or finance . This requires cloud disaster tolerance , No physical equipment required , Disaster recovery of massive data to the cloud , And ensure the data transmission in the process 、 Distribution and storage are synchronized and secure , Improve efficiency , Cut costs .
Challenges faced by the cloud disaster tolerance industry
Replace the traditional disaster recovery thinking , take “ How to effectively use cloud resources to build efficient and reliable disaster recovery services , guarantee IT Security and stability of infrastructure , So as to ensure the continuous and stable growth of the business ”, As an enterprise, protect data efficiently, safely and intelligently 、 Business growth is the primary and empowering issue . In the present situation , The cloud disaster tolerance industry will face new challenges :
#1 Cloud native capabilities
It's not hard for us to find that cloud natives bring IT Industry reshuffle once again , From the application development process to IT The technical capabilities of practitioners , It's all a subversive revolution . On this basis , There's a cloud native platform based Open Application Model Definition , Further abstraction based on cloud native platform , Focus more on applications than on infrastructure . meanwhile , More and more public clouds are starting to support Serverless service , It also illustrates the development trend in the future : Application as the core , The role of lightweight infrastructure layer in the system construction process .
Under this general trend , Traditional migration and disaster recovery are still at the level of data handling , And ignore the cloud oriented features and user business rethinking and building . The vision of cloud computing is to make cloud resources like water 、 Electricity is used on demand , Therefore, migration and disaster recovery based on cloud should also conform to this historical trend .
Traditional disaster recovery often takes storage as the core , Have supreme control over storage . And in the age of Physics , For computing 、 There is no effective scheduling method for infrastructure layers such as storage and network , Unable to achieve highly automated choreography . And applications based on cloud native construction , The core becomes the cloud native service itself . When the user's business system is fully launched into the cloud , Users no longer have absolute control over the underlying storage , So the traditional disaster tolerance means , The scenery is gone .
In building cloud native disaster recovery solutions , Think about building methods with business as the core , The continuity of business system is realized by using the ability of cloud native service arrangement . Cloud native architecture can also better improve business stability , Reduce the internal friction of the enterprise to the greatest extent .
# 2 Cloudy support
The foreign cloud computing market is stable and mature , such as , The main cloud operators in the public cloud market are only AWS、 Microsoft Azure、 and Google Cloud, a “ A situation of tripartite confrontation ”. China's cloud computing market is quite different : The public cloud actually operated in China is at least 10 More than one flower , This situation is more like “ feudal lords vying for the throne ”; Plus the proprietary cloud 、 Various products of private cloud , Let users have no choice at the first time .
The domestic cloud market is complicated , Many enterprise users choose hybrid cloud as a long-term cloud platform construction strategy to avoid the problem of single vendor locking . Hybrid cloud is currently the preferred solution for users to build cloud platforms , Enterprises adopting multi cloud strategy will face greater cloud disaster recovery challenges , This requires cloud disaster recovery tools to better adapt to the cloudy environment , Meet the needs of users for cross cloud disaster tolerance , It is normal to truly realize the cross cloud flow of users' business data .
# 3 More complex hybrid cloud scenarios
Tradition IT When architecture and cloud coexist , The environment for enterprises to use cloud is more complex . From local to cloud , From cloud to cloud ( Including the public cloud , Private cloud ), On the cloud , Disaster recovery under the cloud , All bring some challenges to disaster recovery manufacturers in new scenarios , Need to change traditional thinking , To meet diverse needs .
#4 Improve the ability of timely recovery
Speed of data recovery , To a large extent, it restricts the progress of business recovery , The process of disaster recovery will not have any impact on the original backup data , Minimize the interruption of core business caused by disaster or failure , While effectively ensuring the security of the original backup data , It also lays the foundation for the verification of backup data . When users use public cloud and lines in a large number , Timely recovery solutions face greater challenges .
#5 CDP(continual data protection) Continuous data protection capability improvement
CDP(continual data protection) Continuous data protection , It is a method that does not affect the operation of main data , You can continuously capture or track any changes in the target data , And can be restored to any previous point in time CDP After Technology , Users no longer have to set aside special system backup time , Even in case of failure , Data can also be in a short time ( Second level ) Recover to any time before the failure . The amount of user data is increasing day by day , The loss of some key applications will bring huge losses to users , Therefore, the demand for higher business continuity is always improving .
The above is a reflection and summary of the editor on the cloud disaster recovery market , I hope to discuss the scenario and better implementation of cloud disaster tolerance with more industry ecological partners , Use the ability of cloud to optimize the disaster recovery scheme , Inclusive , Are we from 2017 Started to set foot in the cloud disaster recovery market in, and has been pursuing unremittingly .
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