To one master volume, multiple proxy volumes can be related.
If the master and proxy type is mirror or single, the number of proxy volumes that can be related is limited to meet the following conditions:
The total number of slices composing one master volume and slices composing any proxy volumes that are related to the master volume cannot exceed 32.
For example, if all master and proxy volumes consist of single volumes, a maximum of 31 proxy volumes can be related to one master volume.
