EBS

Question 1

Elastic Block Storage EBS

Answer 1

• treated like a network drive. Think of a USB device
• you should persist your data on this volume
• can be attached/detached form on EC2 to another.
• Locked to an AZ. Create a snapshot to shared this across AZ’s.
• Capacity: you get billed for what your provision.

Question 2

EBS Volume Types

Answer 2

GP2 (SSD)
IO1 (SSD)
STI (HDD)
SCI (HDD)

Question 3

EBS Volume Type: GP2

Answer 3

• general purpose

- GP2 can only be used for boot volumes

Question 4

EBS Volume Type: IO1

Answer 4

• running mission critical databases. Low-latency, high throughput
• can be used as a boot volume

Question 5

EBS Volume Type: STI (HDD)

Answer 5

• low cost HDD; frequently access, through put intensive workloads

Question 6

EBS Volume Type: SCI (HDD)

Answer 6

• lowest cost HDD volume designed for less frequently access workloads; good for big data