Hi,  With Enginuity 5874, only mirrored DRV devices can be created.So, you would need to use the syntax:  create dev count=X, size=XXXXXX cyl, emulation=XXX, config=2-Way-DRV-Mir    
Hi,  We are about to set up optimizer and I was just wondering on how to create DRV's that are required to perform swaps.   Any information on how to create (symcli command) would be useful. What are the best practices for creating DRVs.    Thanks in Advance
Creating DRV(Dynamic Relocation Volumes)