StoreOnce Wan Catalyst Copy

Dear expert,

I need for advise regarding a best practise guide to do the implemantion for a replication /object copy between two storeonce 2700 catalyst stores , one in the head office and the other one in a DR site .

is it require to do  a mapping ? if yes , what is the configuration is required on the storeonce level ?or to do all configuration from the HP data protector side ?

Thanks for your help