What are Instance Stores?
Instance Store is a storage volume that acts as a physical hard drive.
It provides temporary storage for Amazon EC2 instance.
The data in an instance store persists during the lifetime of its instance.
If an instance reboots, data in the instance store will persist.
When the instance hibernates or terminates, you lose any data in the instance store.
If an instance starts from a stopped state, it might start on another host where the used instance store does not exist.
It is recommended to avoid storing valuable data in the store instance.
Instance Stores are good for temporary files, and data that can be easily recreated.
https://www.w3schools.com/aws/aws_cloudessentials_instancestores.php
- The instance store is temporary storage. Data that's stored in instance store volumes isn't persistent through instance stops, terminations, or hardware failures.
- EBS volumes preserve their data through instance stops and terminations.
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Amazon EC2 instance store provides temporary block-level storage that is directly attached to the Amazon EC2 instance. It is referred to as "ephemeral" because the data stored in the instance store volumes is not persistent and is deleted when the EC2 instance is stopped or terminated.
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