What is the the best practice for vCenter application in two different datacenter?
vCenter 5.1
what do you want to know? Are u going to perform a DR exercise?
For vCenter installation, check this KB article: Installing vCenter Server 5.5 best practices (2052334)
Hi
If you have multiple locations, I would suggest to install at least 1 vCenter per location/datacenter and decide to join the in a Linked Mode group or not.
But it depends on your requirements and constraints (e.g. vCenter licenses).
You might want to read the vSphere Documentation: vSphere 5.5 Documentation Center - vCenter Server Installation and Sign-In Process
Before installing vCenter Server, consider your environment and requirements to make the following decisions:
For guidance in making these decisions, review the sections in Before You Install vCenter Server vSphere 5.5 Documentation Center - Before You Install vCenter Server