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Can Anyone explain me how the auto-scaling works. So aws requires Maximum storage threshold be greater then allocated storage. I can not understand what will happen if I will exceed allocated storage, but still will not reach the threshold

user3338094
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  • If you exceed the allocated storage your database gets sad and dies. – Maurice Mar 18 '21 at 13:04
  • I mean exactly that. But autoscale will not happen, when I will need reach the treshold. But the last one is greater then the allocated storage. So the process was not clear for me – user3338094 Mar 18 '21 at 14:22
  • There is a cooldown period of 6 hours for storage auto scaling events - [docs](https://aws.amazon.com/premiumsupport/knowledge-center/rds-autoscaling-low-free-storage/) – Maurice Mar 18 '21 at 16:00

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I think you are misunderstanding the maximum threshold. the maximum threshold is to specified the maximum storage that AWS would scale for you. for example if you set storage to 20GB, and your maximum threshold is 100GB, then AWS will only autoscale your storage to 100GB then stop. I think aws info on RDS creation panel is quite confusing

Nguyễn Hoàng Hưng
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