This topic provides answers to some frequently asked questions about storage plans.
- Are storage plans bound to clusters for sale?
No, storage plans are not bound to clusters for sale. You must separately purchase storage plans. The storage that is used by clusters is automatically deducted from storage plans in the same regions.
- Can multiple clusters share a storage plan?
Yes. A storage plan can be shared by all clusters in the regions that are specified by the Plan Type parameter. You can specify Mainland China or Outside Mainland China as Plan Type.
- Can the clusters that use different engines share a storage plan?
Yes, clusters that use different engines can share a storage plan. A storage plan can be shared by PolarDB for MySQL , PolarDB for PostgreSQL, and PolarDB-O clusters.
- How am I charged for the storage that exceeds the storage capacity of the storage
The storage that exceeds the storage capacity of the storage plan is charged based on the pay-as-you-go billing method. For more information, see Storage pricing.