EBS is Persistent storage unlike Instance store.
EBS drives are based on network attached storage. So, they can be easily attached and detached. They are like plug and play type of drives which can be attached or detached to different EC2 instances in the same AZ.
Even if we terminate the EC2 instance, the attached EBS volumes will still be available and all the data in them can be used by attaching them with another EC2 instances.
AWS offers to take snapshots of EBS volumes for back ups.
- Automatically replicated data among Availability zones.
- Elastic in nature – can be dynamically increased.
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