Introduction

You can change the billing mode of the created cluster later to meet changing needs. The corresponding IaaS infrastructure resource fee changes accordingly. MRS only allows you to change the billing mode from pay-per-use to yearly/monthly. Table 1 lists the MRS billing items that support this billing mode change. You can change the billing mode of an MRS instance from pay-per-use to yearly/monthly to enjoy price discounts.

**Table 1** Billing items that support billing mode change
Billing Item	Change description	Reference
MRS management fee	The billing mode of MRS management changes accordingly.	Changing the Billing Mode from Pay-per-Use to Yearly/Monthly
ECSs	The billing mode of ECSs in the cluster changes accordingly.
EVS disks	The billing mode of the EVS disks attached to the ECSs in the cluster changes accordingly. Non-shared, pay-per-use disks cannot be changed to yearly/monthly billing separately. They must be changed together with ECSs. After the change, they have the same expiration times as the servers.