- Its network volume or Network volume like(Network Pendrive not physical drive) we can add to any EC2 instance as store space.
- It will not terminate after you terminate your EC2 instacne.
- You can attach 1 volume to 1 instance at a time and also need to be in same availability zone.
- Root EBS volume will be deleted not the others attached volume while the EC2 instance terminates
EBS Volume Snapshots
- Backup your EBS volume by taking a snpshots
AMI
Amazon Machine Images are a customization of an EC2 instance, that means we can customize a ec2 instacne then latter we can reuse that image. The main facility we will get from AMI is faster boot and configuration time because those things are already install in that AMI.
- AMI create for specific region
EBS Volume types
- GP2/GP3(SSD) : General purpose SSD volume that balance price and performance
- io1 / io2 Block Express (SSD) : Highest-performace SSD volumn for mission-critical low latancy or high-throughput(In same Availability zone io1/io2 volume can be use by multiple EC2 instance upto 16 instance)
- st1 (HDD): Low cost hdd volume
- sc1 (HDD) :Lowest cost HDD volume designed for less frequently access
- Only gp2,gp3,io1,io2 can be use as a boot volume
Better check this https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volume-types.html