Setting up the 3DC cascade configuration
Use the following procedure to set up a 3DC cascade configuration.
Procedure
-
Install and set up TC and UR on the required systems.
-
Create the TC pair on the primary storage system. See TrueCopy User Guide for instructions.
-
When TC pair status is PAIR, create the UR pair on the storage system using the TC S-VOL as the UR P-VOL.
Mirror ID must be set between 1 and 3.Note The UR operation is rejected by the system if TC pair status is not already PAIR.
