January 2019
Beginner
42 pages
52m
English
Content preview from Introduction to AWS IaaS Solutions
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Chapter 4. Amazon Web Services Elastic Block Storage
This chapter explores the Amazon Web Services (AWS) Elastic Block Storage (EBS) platform. You will learn which types of storage are available, compare the cost and performance impact with EBS storage types, and look at practical examples of operational tasks with EBS using both the web console and the AWS command-line interface (CLI).
Block storage for EC2 instances and other systems needing block volumes will be provided by EBS. You can attach these volumes to instances, as well as clone, archive, and even detach and reattach them to other machines. Block storage is needed in many cases for Infrastructure as a Service (IaaS) instances. It’s important that you understand the costs and performance impact of choices for EBS tiers.
Storage Tiers/Types in EBS
EBS volumes are all scalable to 16 TB at a maximum, and each type comes in four storage performance tiers, which vary in features and functionality. Choosing which type is important because this affects the cost, performance, and scaling of the storage, plus it must match the EC2 instance type to ensure that you are getting the most out of your storage.
- gp2
-
EBS General Purpose SSD—default when launching EC2 instances—good for boot volumes, general mid-performance volumes, and active data volumes.
- io1
-
Provisioned IOPS SSD—guaranteed input/output operations per second (IOPS) with a maximum of 32 K IOPS—good for database or high-volume data storage.
- st1
-
Throughput Optimized ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.