Amazon S3 Storage for SQL Server Databases

By | In Amazon Web Services, Blog | July 27th, 2017

Amazon Simple Storage Service (S3) provides developers and IT Teams with secure, durable and highly scalable cloud storage. Amazon S3 is easy to use object storage with a simple web service interface that can be used to store and retrieve any amount of data from anywhere on the web.

Gone are the days of traditional block and file storage. Object based storage of Amazon S3 manages data as objects that contain both data and meta data, manipulated by an API. It is designed for 11 nines of object durability and four nines of availability per year.

Common use cases for Amazon S3 storage in the DBA world includes below:

  1. Backup and Archive for on-premises or cloud data
  2. Disaster Recovery
  3. Big Data Analytics

Amazon’s S3 service provides a cost effective and reliable way of storing backups, with plenty of options to simplify management of these. This blog post shows you how to effectively handle backups using Amazon S3.

First step Set up New Amazon S3 Bucket to store backups using Amazon Console.

In my earlier article “How to Set Up an AWS Account,you will find detailed instructions for how to create an Amazon AWS account. If you don’t already have an account it just takes a few minutes to set one up. Account set up can be accomplished using the available free tier..

Once you have your Amazon AWS account you must create a user and key pair. These are used by AWS PowerShell Toolkit to access and manipulate objects in AWS. Starting at the AWS console:

  1. Click on the Identity and Access Management (IAM) icon which brings you to the IAM dashboard.
  2. Create new users and then generate access key for each user.
  3. You will be prompted to download credentials using “download credentials” button. Download and save this file in safe location for future use.
  4. Next, create a S3 Bucket. A bucket is just a container for files stored in Amazon S3. Creation of a bucket is very simple, and you must follow all DNS naming rules. Refer to this link for instructions to create a unique bucket. This Bucket will be used to store Backups so make sure to set the retention policy to 30-45 days, depending on your needs.The retention policy can be set to any span, but keep in mind that the length of time will affect the cost of storage.
  5. Create a new life cycle rule for the whole bucket, that permanently deletes the file after 7 days, for example, to prevent incurring a large S3 bill by storing old backups. Alter the time range to suite your needs, or consider pushing the backups to Glacier for cost-effective long term storage. In the future, you may choose from a variety of life cycle management and storage classes based on your business needs.

Second Step Configure your Maintenance Plan using SQL Native Backups.  We will describe how to reference the S3 bucket destination as a windows drive using Powershell Script.

Below we’ve provided a simple PS script which creates backups with a timestamp, copies them to S3, and then deletes them from the local machine. This script ensures variables are updated to reference the server, database, S3 bucket name, and back up location. The script assumes Windows Authentication to connect to the database. If you are running the script on an EC2 instance, and have applied the security policy to the IAM role used by the instance the AccessKey and SecretKey parameters can be removed from the Write-S3Object command.

Once the PS script is set up, windows scheduler can run per your specifications. As the script runs, check the S3 bucket to ensure the backups are being saved correctly, as there is no notification available if the backups fail.

Now that you’ve seen how S3 facilitates and provides storage for backups that can be used for analytics and disaster recovery situations, you can see how Amazon S3 is a game changer for storage in hybrid IT environments and applications.

If you would like more information on Amazon S3 Storage and how it fits into your environment, please contact Datavail today. Datavail is a specialized IT services company focused on Data Management with solutions in BI/DW, analytics, database administration, custom application development, and enterprise applications. We provide both professional and managed services delivered via our global delivery model, focused on Microsoft, Oracle and other leading technologies.

For additional resources please download white paper: AWS for SQL Server DBAs.

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Contact Us
Manguirish Sardesai
SQL DBA
Manguirish is a Microsoft Certified Professional with 11 years’ experience in IT Industry specializing in Web Development, Database Development /Administration and Data Reporting. He provides efficient management and optimal performance for Datavail customers with health check analysis, installations and configuration of SQL Server plus automation of DBA tasks, disaster recovery solutions and providing customers with day-to-day comprehensive solutions to manage databases. He also undertakes business assessments and does project planning to deliver high-end pragmatic solutions for each client environment. When he’s not looking to play with databases, he enjoys traveling to new places and reading fiction literature.

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