Overview
Contoso, Ltd. is a national scientific research company that has sales, marketing, and research departments.
Contoso has a main office in Dallas and more than 20 satellite offices across the United States. Some employees work off-site at customer locations.
Contoso is expected to double in size during the next two years.
Existing Environment
The Microsoft SQL Server environment contains the servers configured as shown in the following table.
Contoso currently uses SQL Server 2008 R2 on all of the database servers. SQL01 currently requires six cores and 50 GB of memory.
Once a day, database snapshots are taken on the mirror to provide ad hoc reporting and to load the data warehouse.
One report is used for ad hoc reporting by using the mirrored copy of the OLTP database.
Research Gen II is a Windows application that users currently access by using Remote Desktop.
Requirements
Business Goals
Contoso identifies the following business goals:
• Minimize the costs associated with purchasing hardware and software.
• Prevent any negative impact on performance when moving database platforms to the cloud.
• Audit user access to and query execution on all of the databases in the research department.
Planned changes
Contoso plans to implement the following changes:
• Upgrade SQL03 from SQL Server 2008 R2 to SQL Server 2014 on Windows Server 2012 R2.
• Migrate SQL01 and SQL02 to Infrastructure as a Service (IAAS) on SQL Server 2014.
• Leverage cloud services for a disaster recovery location and for high availability.
• Replace Research Gen II with a cloud-based application named One Research. The database for this application will be migrated to a cloud service.
Departmental Requirements
Senior research project leaders must be able to upload databases to the cloud. Initially, the databases will be less than 3 GB. Some databases may grow to 50 GB. The databases must be recoverable to any point during the past two weeks.
The research project leaders must monitor the performance of their databases. They must view statistics, such as query performance and overall database performance.
The marketing department plans to use cloud services to host web applications for marketing campaigns. The databases for the web applications have the requirements shown in the following table.
Technical Requirements
Contoso identifies the following technical requirements:
• OLTP will be offloaded to Microsoft Azure virtual machines.
• The data for One Report must not be more than l5 minutes old.
• All of the databases for the OLTP system must be implemented on solid state drives (SSDs).
• A solution for the OLTP system must be created to provide disaster recovery and reporting between SQL01 and SQL02.
• All databases, except for the research and marketing databases, must be recoverable to any point during the last 30 days.
• A solution for the data warehouse system must be created to provide disaster recovery between SQL03 and an Azure virtual machine named SQL04.
A.
