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How am I billed for my Amazon EBS snapshots?

2 minuti di lettura

I want to know how I'm billed for Amazon Elastic Block Store (Amazon EBS) snapshots.

Resolution

Charges for Amazon EBS snapshots are calculated by the gigabyte-month. That is, you are billed for how large the snapshot is and how long you keep the snapshot.

Pricing varies depending on the storage tier. For the Standard tier, you're billed only for changed blocks that are stored. For the Archive tier, you're billed for all snapshot blocks that are stored. You're also billed for retrieving snapshots from the Archive tier.

The following are example scenarios for each storage tier:

Standard tier: You have a volume that's storing 100 GB of data. You're billed for the full 100 GB of data for the first snapshot (snap A). At the time of the next snapshot (snap B), you have 105 GB of data. You're then billed for only the additional 5 GB of storage for incremental snap B.
Archive tier: You archive snap B. The snapshot is then moved to the Archive tier, and you're billed for the full 105-GB snapshot block.

For detailed pricing information, see Amazon EBS pricing.

To view the charges for your EBS snapshots, follow these steps:

Open the AWS Billing Dashboard.
In the navigation pane, choose Bills.
In the Details section, expand Elastic Compute Cloud.

You can also use cost allocation tags to track and manage your snapshot costs.

Note:

You aren't billed for snapshots that another AWS account owns and shares with your account. You're billed only when you copy the shared snapshot to your account. You're also billed for EBS volumes that you create from the shared snapshot.
If a snapshot (snap A) is referenced by another snapshot (snap B), then deleting snap B might not reduce the storage costs. When you delete a snapshot, only the data that's unique to that snapshot is removed. Data that's referenced by other snapshots remain, and you are billed for this referenced data. To delete an incremental snapshot, see Incremental snapshot deletion.