vRA Layers and Roles

We have been dealing with a lot of stuff related to vRealize Automation in our last few blog posts vRealize Automation Installation Part 1, vRealize Automation Installation Part 2 and Multi Machine Blueprints. 

Now when we know how vRA is installed and also seen the various architectural components which plays a vital role in vRA it's time to deal with various layers and understand how the roles fits in those layers.

1 Infrastructure Layer - Physical Servers, Clouds, Hypervisor (Endpoints)

Infrastructure layer is the first layer managed by System Wide Administrator.

System Wide Administrator also perform few other important tasks like,

• Installation and Configuration of vRA.
• Set up default configuration in default tenant (vSphere.local).
• Creation of other tenants.
• Sytem Branding
• Creation of IaaS and tenant admins.

2 Infrastructure Fabric- Connects vRA to endpoints.

Infrastructure Fabric Layer is the second layer managed by IaaS Admin aka Infra Admin.

IaaS Admin also performs few other operations like.

• Configuration of Infra Fabric by connecting various endpoints.
• Creation of Fabric Group.
• Assign Fabric Admin for Fabric Group.
• Assign Compute Resources.

3 Fabric Group - Divides infra fabric into smaller chunks

Fabric Group is the third layer managed by Fabric Admin.

Fabric Admin also performs tasks likes

• Configuration of Fabric Group.
• Machine Prefixes.
• Network Profile.
• Create Business Group.
• Configure Reservation for Business Group to use.

4 Tenant - An Organization  

Tenant Layer is the fourth layer managed by Tenant Admin.

Tenant Admin also has other tasks to perform like.

• Configuring tenant specific branding.
• Manage blueprints with context of that tenant.
• Assign and Manage Business Group Managers, Approval Admins and Approvers.

5 Business Group - Internal Department within Organization

Business Group is the 5th layer controlled by Business Group Manger.

• Business Group Manager can be an Approval Admin.
• Can see and manage catalog services.
• Can manage & create blueprints for the business groups.

For more information refer vRealize Automation Documentation Center