See article 24295. Resolution states:
The Group Label can be changed online with the Change RDF Settings script. I guess this can be done from inside the box and would recommend talking to a CE.
As long as you have 5976 and SE 7.5 this can be done from the command prompt as belwow
You can rename the label of a dynamic group by using the symrdf set label command.
This label can be one to 10 characters long.
The following are requirements for renaming a dynamic group label:
◆ The target group must be a dynamic SRDF group.
◆ The new label must be unique; it cannot be assigned to existing dynamic groups on
either the local or remote Symmetrix array.
◆ The dynamic group being modified cannot be in the Partitioned state on all director
pairs on which it is defined.
◆ Both the local and remote Symmetrix arrays must be running Enginuity 5876 and
The following resets the label of the SRDF group 4 on Symmetrix 6180 to newdyngrp4:
symrdf -sid 6180 -rdfg 4 set label newdyngrp4