2017年11月16日 星期四

10 principles of data center migration

Data center migration and for example there are several reasons: first, the enterprise budget is insufficient, need to reduce labor costs, electricity and cooling costs; two is the enterprise may lack the data center operation space needed. Three is because businesses need to meet specific regulatory and compliance requirements. In addition, the data center redundancy and the demand for network interconnection are also important factors that enterprises must consider in measuring whether to migrate data centers.
 Data centre
Data center migration is a huge and difficult project, but by implementing these best practices, the IT team can minimize downtime, avoid obstacles, and ensure smooth migration.
(1) determine the range of migration. A comprehensive assessment of the current environment and the determination of the migration of data centers is a critical starting point. Enterprises should have a complete list of IT environments, and create lists to understand services and applications, as well as the physical device tracking data center migration plan.
(2) evaluation of platform stability. Attention should be paid to the service life of the equipment, whether there will be a risk of failure in transportation? Enterprises need to ensure that data center devices are on standby in case of emergency.
(3) defining critical data. Identify each data asset, and realize its importance to the enterprise. Determine the way in which data assets are used and its relationship to the environment.
(4) understanding the network configuration. The enterprise builds and deploys its new network in the new position, and thoroughly tests the communication situation. Instead of simply relying on the replication configuration of the network infrastructure.
(5) determine the downtime caused by the migration. Understand how much downtime will be generated during the migration of the entire data center. This duration will affect the way to deal with actual migration.
(6) define data center migration plan. Enterprises need to establish migration methods to ensure that there is no omission. Does the equipment need to move up and down in the process of data center transportation? Do you need normal running time in the whole migration process? Tools needed to evaluate data migration. If the enterprise is using the cloud migration strategy, please determine the amount of data to be transmitted. Some clients choose network storage devices, which will migrate data copies first, while other clients use software that can deliver data. The best way to evaluate is driven by the importance of the data and the normal runtime requirements. Remember, you can also use combinations of these methods.
(7) test data center migration plan. A series of tests are performed through the application to verify that each step in the enterprise layout works. Testing will better understand how to complete the process step by step.
(8) pay attention to the order of machine startup. When the data center is moved back, the order of the machine startup is critical. If the enterprise starts other applications before some applications, it may cause serious performance problems and affect the operation.
(9) communication and expectation. The clarity of communication and expectations in various business functions is important. Enterprise managers need to deploy staff and spend time verifying the server that moves the other party. They also need to know how to help them do better, faster, and more efficiently. That's why companies should ensure that all business units know what happened, when, and why. Companies spend a certain amount of time communicating their plans and setting expectations.
(10) consider cooperation with professionals. Carefully consider whether an enterprise's team has sufficient internal resources to perform successful migration. If the enterprise wants to migrate itself, remember that the third party can still help the data center to implement migration and provide engineers to help data migration.
Partnering with the third party migration partner, the company is equipped with experienced personnel in the task, which can relieve most of the pressure in the process. Select appropriate partners to implement infrastructure, network connectivity, applications, data and security, and compliance requirements planning and migration strategies, and such partners can play an important role in avoiding migration disaster.

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