Destination volumes can be lower-cost, saving the customer money in deploying a two-site business continuity solution. . Make changes to the storage without disrupting host applications Virtual Disk Virtual Disk Virtual Disk Virtual Disk Manage the storage pool from a central point SAN Apply copy services across the storage pool SAN Volume Controller Advanced Copy Services DS 800 HDS DS4000 EMC HP Combine the capacity from multiple arrays into a single pool of storage © 2003 IBM Corporation 8 SAN Volume Controller May 2005 Figure 5-18 Infrastructure simplification with SVC The IBM SAN Volume Controller improves storage administrator productivity, provides a common base for advanced functions, and provides more efficient use of storage.