Limit item	Limit description	Changeable
Limits on users who create DDHs	The creators must have registered accounts on VolcanoEngine and completed real-name authentication.	-
DDH and instance billing	DDH: Subscription Instances: The compute resources (vCPUs and memory) of instances on DDH are not billed, but the associated resources such as volumes (system volume, data volume) and EIP are billed on a Pay-as-you-go basis. For specific rules, please refer to Volume billing and EIP billing.	-
Limit on the number of same-type instances that can be created on a single DDH	For the specific number of instances of the same type that can be created on one DDH, see ECS instance types supported by DDHs.	No

Last updated: 2026.01.16 19:04:00