A Label is the partition name assigned by the administrator and must be unique on a server. You can edit label of a partition by using the Edit Label option.
In UMC, click Storage > Partitions.
Search or browse the servers to list the partitions associated with them.
Select the partition, click More Options icon, and then select Edit Label.
Specify a new label to the partition and click CONFIRM.
The updated label is displayed in the partition list.