Amazon Elastic Block Store (EBS)

wikipedia:Amazon Elastic Block Store (2008)

• https://aws.amazon.com/ebs/
• Types: io1, io2, gp2, gp3, st1, sc1

• Minimum sizes:
  • st1, sc1: 125 GB (since Dec 2020), previously 500 GB
  • gp3 (since Dec 2020)
    • 20% lower price-point per GB than existing gp2 volumes
    • Independently provision IOPS and throughput, separate from storage capacity
    • Baseline performance of 3,000 IOPs and 125MB/s at any volume size, scale up to 16,000 IOPS and 1,000 MB/s for an additional fee
    • Migration from gp2 without service interruption
    • 1 GiB - 16 TiB

Features

• EBS support snapshotting and cloning.
• Increase size, decrease not supported https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/requesting-ebs-volume-modifications.html
• Replicated within its Availability Zone

Limitation

• Decrease size of a volume not supported

Timeline

• July 2018 Amazon Data Lifecycle Manager for EBS Snapshots

Activities

• Increase EBS size: Modify EBS size and execute lsblk + growpart + resize2fs https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/modify-ebs-volume-on-instance.html

Related terms

• EBS Snapshots
• Google Cloud Persistent Disks, Google Cloud Storage
• EFS and NFS
• Amazon Data Lifecycle Manager
• Amazon EBS CSI driver: aws-ebs-csi-driver
• Amazon RDS DB storage
• io2 Block Express
• Terraform argument/input: ebs_block_device

See also

• aws ebs [ list-snapshot-blocks | start-snapshot ]
• aws ec2 [ describe-volumes | create-volume | modify-volume | detach-volume ]
• EBS, EBS Snapshots (archive), aws ebs, io1, io2, gp2, gp3, st1, sc1, aws_ebs_snapshot, aws_dlm_lifecycle_policy
• AWS storage, S3, EBS, EFS, AWS DataSync, AWS Storage costs

https://aws.amazon.com/about-aws/whats-new/2020/12/amazon-ebs-reduces-minimum-volume-size-throughput-optimized-hdd-cold-hdd-volumes/

https://aws.amazon.com/about-aws/whats-new/2020/12/introducing-new-amazon-ebs-general-purpose-volumes-gp3/

https://docs.amazonaws.cn/en_us/AWSEC2/latest/UserGuide/ebs-volume-types.html

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/requesting-ebs-volume-modifications.html

https://aws.amazon.com/about-aws/whats-new/2018/07/introducing-amazon-data-lifecycle-manager-for-ebs-snapshots/