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.
RAID Manager is recommended at all three sites.
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