You’ve probably heard the term data migration before, but what does it mean? Data migration is transferring or copying data from one source to another. The process can include moving information from old systems to new systems or consolidating data from multiple sources into a single system.
Whatever the reason for initiating a data migration project, it’s essential to ensure that the process is carried out smoothly and effectively. However, many potential pitfalls can occur during a data migration, so planning and taking precautions are necessary. This article will discuss some critical factors to consider when planning your data migration project.
What is Data Migration, and What are the Benefits for Businesses?
Transferring data from one storage system or computing environment to another is known as data migration. Businesses migrate for various reasons, including better handling of traffic spikes, improving inefficient operations, meeting data storage requirements, promoting disaster recovery, and lowering server operating and maintenance expenses.
The leading indicator is when it becomes difficult to perform daily tasks for one reason or another reason. For example, employees have trouble finding the relevant data, or a simple task becomes difficult to achieve.
A typical and straightforward example is the migration of databases and applications from old, on-premise servers or an aging data center. Essentially, relocating specific assets from one data center environment to another is known as data center migration.
There are many benefits for businesses that migrate data. By migrating data, companies can improve organization, keep track of customer information more efficiently, and better use vital company information.
Transferring data from one format to another can provide businesses with flexibility while improving the system’s reliability, security, speed, and disaster recovery planning. It will also assist in avoiding, or at the very least minimizing, service disruption.
Reducing costs is the main reason businesses often opt for data migration services, usually due to old databases requiring high maintenance. In addition, legacy types of software have a limited infrastructure making it hard to scale with a growing company.
Another good reason is removing redundancy which is often when a business exists for a very long time. The same data is stored in different locations and delays the time spent on the system. Finding the file in a matter of seconds increases speed and efficiency.
Finally, the most important reason for migrating data and its security. Especially nowadays, when cybercrime is on the rise, businesses operating online are often the most common target. It means using up-to-date security patches to avoid unwanted breaches that could jeopardize the company’s future.
The main benefits of data migration services can help you move data quickly, easily, and securely – without any interruption to your business.
The most important benefits are:
Saving time: data migration can be a time-consuming process, but you can make light work of it with professional services. Experts will take care of everything, from data transfer to data integration, so that you can focus on other aspects of your business.
– Reduce costs: data migration is a complex process, especially if operating on old systems. As a result, their maintenance can be costly. But, with external services, you can expect lower costs while still getting the data you need.
– Improve data quality: data migration can be an opportunity to improve data quality. You can ensure that data is transferred accurately and completely, so you can have confidence in the information you’re using for your business.
– Increase efficiency: data migration can help you increase efficiency by streamlining your data management. You can centralize your data for easy access and control to improve your business processes.
– Enhance security: data migration can help you enhance security by ensuring that your data is transferred securely. Whether you need data migration to support a new system or data storage solution, professional teams will help you.
– Gain insights: data migration can help you gain valuable insights into your data and trends, giving you a better understanding of your business operations and performance. You’ll be able to quickly analyze data and use it to make informed business decisions for tremendous success.
Whether your business is looking to migrate data from one system to another, move data from on-premise storage to the cloud, or optimize data management, data migration services can help you achieve your goals and drive growth.
Types of Data Migration
When it comes to moving data from one location to another, there are various data migration options available. Depending on the data type being transferred, different data migration methods might be more appropriate than others.
For example, if you want to transfer an entire database from one system to another, a database data migration would likely be the best option. Moving data from one location to another includes different types of data migration.
Database Migration
Perhaps the most challenging type of migration involves a lot of planning. It is necessary to determine whether or not the destination’s capacity fits the current database and ensures data integrity. It includes moving the source database to another target location. It is often performed when updating software or migrating to the cloud.
Before you begin database migration, it necessitates careful preparation and testing because the procedure entails numerous minor activities:
- Size of the test database
- Utilize the database testing applications
- Ensure the safety of the data
- Examine the consistency of the migration procedure
Application Migration
Applications operate on a specific model. Every application has its data model, and the programs are not transferable. Each application’s operating systems, virtual machine configurations, and administration tools may differ during the development and implementation. However, as is often the case, there is a need to move the on-premise version to a cloud-based one. For example, businesses use Microsoft Office, and it is a known fact that Microsoft now offers its software as a cloud-based version. In addition, it can also include changing the provider entirely and switching to another company.
Storage Migration
This type of data migration occurs when there is a need for technology upgrades. Similar to what every company has done due to the Covid-19 outbreak. The new technology allows employees to work from home. The transfer itself refers to moving data from on-premise storage systems such as servers to a cloud. So said, data is transferred from one storage media to another. Moving data to new technology may be appealing as new technology appears. Most companies opt for it because of the new format’s versatility, low cost, or ease of access and use.
Cloud Migration
Cloud migrations refer to moving data into a new environment accessible via the Internet. This includes any data migration from on-premises to the cloud and from one cloud environment or platform to another. More than half of worldwide companies are willing to switch their resources to cloud solutions. The Oracle Data Migration Assistant is the most user-friendly method for migrating an entire database. According to Google, one of the primary benefits of migrating data to the cloud is performing more complicated analyses, increasingly in the form of machine learning. In addition, shifting to the cloud allows for scalability, takes less storage space, and is less expensive.
Data Migration Tools – Ensuring Coherence Between the Data Format and its New Location
Data migration tools transfer specific files from one storage system to another. They are used to select, prepare, extract or modify the data and ensure that the source format is coherent with its destination. Technologies defer from one migration to another. But for example, at Coherence, the tools we use for enterprise-grade solutions are:
Active Directory Migration Tools
- Quest ODM AD
- Quest Migration Manager
- Binary Tree AD Migrator Pro
- Binary Tree DirSync Pro
Email / Tenant Migration Tools
- Quest On Demand Migration / ODM
- Binary Tree Power365
- On-Demand Migration for Exchange (ODME)
How to Choose the Right Data Migration Strategy for Your Business
A migration strategy is, in essence, an elaborate plan to transfer existing on-premise workloads and data to the cloud. This strategy aims to improve performance, ensure smooth data transfer, and mitigate the downfalls.
A simple data migration plan can help avoid missing deadlines and experiences that are not easy to solve in the aftermath. For example, any flaws in the source data can jeopardize the entire project when moved into a new environment.
There are different data migration strategies to choose from, and the right one for your business will depend on several factors. Here are a few things to consider when selecting a data migration strategy:
- The amount of data you need to migrate.
- You need to migrate the specific type of data (e.g., customer data, product data, financial data, etc.).
- The technical capabilities and resources available to your business.
- The time and budget constraints of your migration project.
- The data security requirements of your organization. For example, you may need to ensure that data is encrypted during the migration process or that it remains accessible only to authorized users.
- The data quality requirements of your organization. For example, you may need to ensure that data is migrated wholly and accurately, without any data loss.
- The business objectives of your data migration project. For example, you may be migrating data to improve customer service or reduce operational costs.
If you wish to make the best choice, it is essential to work closely with your data migration team and be well-informed about all of your available options. With careful planning and an understanding of the data migration process, your business can successfully transition to a new data system and achieve its goals. However, there are two types of strategies that are frequently used.
Big bang strategy
A significant bang method to data migration refers to transferring all data from its source to a destination system in a single action. This all-at-once method needs the highest preparation and data management vigilance to be sure of success. The disadvantage of this strategy is that it requires some downtime to complete the move. Businesses who want their apps to be operational 24 hours a day, seven days a week, may find this unacceptable.
Trickle strategy
A trickle migration is a more in-depth database migration strategy. It divides the data into smaller groups, resulting in a more structured procedure that allows the database conversion team to validate that each data is correctly moved. If one sub-migrations fails, it can usually be reworked without affecting the other migrations. The disadvantage of the trickle database migration approach is that it is time-consuming and requires more resources because the old and new systems must operate concurrently.
Tips for Minimizing Downtime and Ensuring a Successful Migration
Every migration is unique, as are the challenges you may face. We figure out the best ways to get around those roadblocks. There are not just technical challenges to overcome; time limits, political obstacles, and contractual considerations to consider. Coherence identifies them and then develops the best solution to keep the project on track.
Michael Gastright, a Principal Architect, CEO, and President of Coherence, explained a real-world example while working for a client on a project that included more than 300,000 users and workstations.
“We encountered a circumstance in which the client could not establish trust with the source domain. It didn’t take long to figure out the “why.” In this situation, the domain’s source FQDN was something like territory.region.company.com. The majority of the source domains are in this format. However, the domain builder had made their short name the same as the “region” when the short name should have been something related to the actual area. The issue was that “region” was already the abbreviation for a regional Active Directory Domain part of an ongoing migration.”
Gastright adds: “Because of the politics involved, the consumer was not prepared to make that decision at the moment. If we had to go from a trusted migration to a non-trusted migration, we would pre-migrate a limited number of servers into one of the already trusted domains and then continue moving. In this situation, it will add a week or two to the project timeline, but the problem is resolved.”
As you can see from this example, there are always unexpected obstacles when moving significant amounts of data. Even if the strategy is adequately designed and performed to the detail, some challenges might arise due to situations no one controls.
5 Tips to Make Your Data Migration Go Smoothly
As mentioned before, moving the critical data is a delicate task and should be considered in detail. Preparation, documentation, and planning are essential tools while migrating data. Apart from the strategy, there are some steps you can take to ensure that your data migration runs smoothly and flawlessly.
#1 – Take Migration Plan Seriously
The plan should name all of the parties that will have access to the data and outline each step taken during data migration. In addition, consult the technical person about the possible challenges during the data migration process.
#2 – Understand all of Your Data
Migration includes relocating all the data a business might have at the moment. It is an excellent practice to note the type of data being moved and review any outdated or unnecessary documents. Not only does it speed up the process, but your employees will start with relevant information after the migration is complete.
#3 – Utilize Migration Policies
Your employees should be adequately notified about the migration process. Policies are the formulation of organization data migration and ways to enforce them. It is good to automate these policies and ensure that the destination is secure and specific people have permission to access it.
#4 – Conduct Validation and Testing of Data Migration
Even if the migration passes smoothly, the final data location is something that has to be reviewed. Automated processes may make an error while transferring files. That is why it is crucial to conduct data validation and data migration testing. In addition, a good rule of thumb is to back up the legacy system and secure the information as an additional source of data in case anything goes wrong.
#5 – Auditing and Document all of Your Processes
In some countries and many industries, regulators require proof of documentation that you have followed the regulations and taken care of sensitive data. Auditing the entire data migration process will provide documentation and point out the process parts you can improve in the future.
The Importance of Testing and Validation in Data Migration Projects
Data migration is an integral part of any project that involves moving data from one system to another. It can include migrating information between different applications or data storage solutions, transforming the data somehow, or even creating a new database for the existing source data.
When migrating data from a legacy database to a new destination, data migration testing compares migrated data with original data. It ensures that all needed functional and non-functional application features are met post-migration.
Migration testing is essential to any business operating efficiently in the post-migration environment. However, migrating the current system to a new one must not influence the user experience. Migration testing is necessary to ensure that the user can continue to use the software and its components as before. In addition, it must rule out potential errors and impediments that appear during the system migration.
Many different factors need to be considered when performing data migration, and testing and validation are two of the most important. Without proper testing and validation, it’s impossible to know that the data migration will be successful and that the team will accurately migrate all data.
Testing data migration involves creating test data sets that include all of the different data types and values present in the actual data migration process. This data is then run through the migration process to ensure that it works as expected and that there are no issues or errors with any of the data.
In addition to testing data sets, data validation is also an essential part of data migration testing. Validation involves ensuring that all data values conform to business rules, regulatory requirements, and data standards, including data profiling, data cleansing, or data quality checks.
Overall, testing and validation in data migration projects cannot be overstated. These processes ensure that all data is accurately migrated and that errors are addressed before the data migration is completed. By performing these tests carefully and thoroughly, data professionals can help ensure the success of any data migration project.
Key Takeaways
So far, we have discussed the meaning of data migration and what it means for businesses worldwide. The main reason enterprises decide on such a complex and demanding step is to think ahead to the future. It is especially evident if they are running entire operations on legacy software. The old applications are not up to date with modern requirements, and there is little room for scalability. In addition, a data migration solves these problems and reduces maintenance costs.
Although data migration has its benefits, it is seldom without impediments and challenges. Therefore, performing additional checks and testing can help the migration run smoothly and flawlessly. Choosing the goal and deciding which path to take to achieve it will keep the challenges in assessment. The benefit of making these steps is to provide a system that your employees will use even after the migration. It increases the overall organization’s efficiency and productivity.
Some companies may not have the human resources to commit to data migration, but the best option is to hire an external company to do it for them. Many businesses are reluctant to accept services from other companies as they have access to sensitive data. In truth, all of the worries in the matter are covered in detail in agreements and NDAs. No self-respecting company will allow a bad reputation.
In addition, if you believe that your staff might not be able to complete this task successfully, it is better to hire an external company that is experienced in data migration than to commit to possible problems and data loss. Coherence, Inc. is the global leader in on-premise and tenant migration IT consulting services. If you have any questions or doubts about data migration, give us a call, and we’ll be pleased to talk about it with you.

