When you downgrade your VPS package to a smaller plan (e.g., from 40 GB SSD to 20 GB SSD), the system does not automatically reduce your existing disk partition size. This is because shrinking a live disk partition without data loss is a complex and risky operation that cannot be performed automatically.
Therefore, even if your new package specifies a smaller disk allocation, your VPS's primary disk size will remain at its larger, previous capacity to prevent any potential data loss. You will continue to have access to the larger disk space (e.g., 40 GB) even though your package is technically for a smaller amount (e.g., 20 GB).
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