3DC multi-target configuration requirements

• At least one storage system at the primary site, TC secondary site, and UR secondary site. The 3DC multi-target configuration can also be used with multiple storage systems at the primary and secondary sites. However, 3DC multi-target configurations using delta resync are not supported in configurations with multiple primary and secondary systems.

Supported storage systems for 3DC multi-target configurations: VSP G800, VSP F800, VSP G1000, and HUS VM.

• CCI is recommended at all three sites.

• Device Manager - Storage Navigator is required at all three sites.

• The primary site requires the following:

• TrueCopy

• Universal Replicator

• TC primary volume (P-VOL), which is also the UR P-VOL. This is the primary production volume.

• UR master journal volume

• The TC secondary site requires the following:

• TrueCopy

• TC S-VOL

• The UR secondary site requires the following:

• Universal Replicator

• UR S-VOL

• UR restore journal