The billing method of a cloud disk depends on how it is created:

  • For cloud disks created with Subscription (monthly or yearly subscription) instances, upfront payment is required for the service to be ready for use. For more information, see Subscription.
  • For cloud disks created jointly with Pay-As-You-Go instances or separately created are billed on a Pay-As-You-Go basis. For more information, see Pay-As-You-Go.

You can change the billing method of a cloud disk, as shown in the following table.

Conversion of billing methods Features Suitable for Effective date
Subscription —> Pay-As-You-Go Renew for configuration downgrade Subscription cloud disks attached to Subscription instances. The billing method of the system disk cannot be changed. Effective from the next billing cycle
Pay-As-You-Go —> Subscription Upgrade configurations Pay-As-You-Go data disks attached to Subscription instances. The billing method of the system disk cannot be changed. Effective immediately
Switch from Pay-As-You-Go to subscription The system disks and data disks attached to the Pay-As-You-Go instances.