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feat(ansible,awx): clone ec2 instances

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Michele Cereda
2024-08-16 19:54:24 +02:00
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knowledge base/cloud computing/aws/ebs.md
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@@ -28,9 +28,13 @@ Apparently, Linux machines are able to do that automatically with a reboot.
## Snapshots
When created, snapshots are **incremental**.<br/>
The first snapshot is **complete**, with all the volume's blocks being copied. All successive snapshots of the same
volume are **incremental**, with only the changes being copied.<br/>
Incremental snapshots are stored in EBS' standard tier.
Snapshots can be unbearably slow depending on the amount of data needing to be copied.<br/>
For comparison, the first snapshot of a 200 GiB volume took about 2h to complete.
Snapshots can be [archived][archive amazon ebs snapshots] to save money should they **not** need frequent nor fast
retrieval.<br/>
When archived, incremental snapshots are converted to **full snapshots** and moved to EBS' archive tier.