Snapshot

  • You can back up the data on your EBS volumes to Amazon S3 by taking point-in-time snapshots.

  • Snapshots are incremental backups, which means that only the blocks on the device that have changed after your most recent snapshot are saved

  • For creating consistent snapshot stop the volume and take the snapshot, snapshot can be taken without stopping the volume but may be inconsistent.

All snapshots are stored in s3 service of aws.

  • These snapshots can be used to create multiple aws volume across availability zone.

  • Snapshots can be shared with specific aws accounts or made public.

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