Many thanks for your response so we use it for db servers i think if disaster happens the impact will be on both vols at same time

Hello Consistency groups are required if you want to make sure that the volumes stay in step with one another. It also forces them to be part of the same 'batch process'. IE, you have to make all of them in a single consistency ...

here we get this while allocating pair ------------------------------ dhruv kalia System Administrator EVRY AB ------------------------------

have couple of vm servers need to give vols first time will use gad but not sure is it ok to keep consistency  option on any harm if kept on ------------------------------ dhruv kalia System Administrator EVRY AB ------- ...

Hitachi Virtual Storage Platform (VSP) Universal Volume Manager (UVM) Capabilities with Cisco Intersight Cloud Orchestrator (ICO)  Target audience: Intersight users / IT infrastructure administrators ...