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This is the last of three posts that explain how PDT can be configured to deploy a highly available configuration. The first post covered SQL clusters, the second post covered Virtual Machine Manager (VMM) clusters, and this post will cover scale out roles.
Several System Center components offer high availability by having multiple instances of a role, and other components allow scale the same way. During deployment, there are three different methods for installation of multiple instances of a role:
PDT has the ability to install scale out roles for all components – you simply need to list the instances of those roles in the <Roles> section of Variable.xml, using the correct role name. Role names are as follows:
Orchestrator (first then additional):
Service Provider Foundation (first then additional):
App Controller (first then additional):
Operations Manager (first then additional):
Service Manager (first then additional):
Data Protection Manager (sequential):
PDT pre-deployment validation will validate that all roles have dependent roles in the deployment – for example, if you are installed an Operations Manager Additional Management Server you will also need an Operations Manager Management Server. Pre-deployment validation will also validate that there are an appropriate number of instances of roles – for example, all “first role” roles above can only have a single instance, where all other roles above can have multiple instances.
Note that high availability of Service Provider Foundation and App Controller roles also requires a load balancer – PDT does not install or configure load balancing, that is required as a manual post-deployment step.
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Is there a way to install multiple System Center 2012 SP1 Orchestrator Web Components Server roles with PDT? We are doing a deployment right now where we are going to load balance the Orchestrator Web Service but I do not see an "Additional Web Service Server" or "Standyby Web Service Server" available in the combinations section of the Workflow.xml.
Let me know your thoughts.
I also meant to ask the same about:
System Center 2012 SP1 Service Manager Web Content Server
System Center 2012 SP1 Service Manager SharePoint Web Parts Server
We are also installing two of each in a load balanced configuration.