[AWS] Elastic Block Store (EBS)

Elastic Block Store (EBS) is a network-attached storage service that creates and manages persistent volumes.

  • Volumes are persistent (removed and attached) and are replicated within a single AZ.
  • You can change the EBS volume size and the storage type on the fly.
  • EBS supports a maximum per-instance throughput of 1,750 MiB/s.
  • EBS supports 80,000 IOPS per instance or 64,000 IOPS per volume.
  • By default, EBS volumes are replicated within the AZ.
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[AWS] EC2 – Storage Options

  • Every EC2 instance must have a root volume, which may or may not be EBS (Elastic Block Store).
  • By default, an EBS root volume will be deleted when the instance is terminated. You can change the setting to make EBS volumes persistent.
  • You can attach additional EBS volumes to instances, and they are not deleted when the instance is terminated.
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