RHEV supports Quota; this is a data center object that will be used to limit the virtualization resource usage on top of the limitation set by the user permission. Quota allows you to limit memory, CPU, and storage disks. Quota can be assigned to individual users or groups so that whenever the user Quota limit reaches the defined limit, the users are forced to stop performing further actions.
RHEV supports two different kinds of Quota:
RHEV Quota has three modes: