In SiteMinder environment containing multiple components has SiteMinder Policy Servers , DSA instances , Access Gateway Servers and CA API Gateway.
Post Linux patching activity the starting the SiteMinder environment fails to start and application access fails.
R12.8.x
The startup sequence should be appropriate for endpoint to work properly like agents.
Here is the start-up sequence when you have below components in the SiteMinder environment involved.
SiteMinder Policy Servers , DSA instances(Policy Store) , Access Gateway Servers and CA API Gateway.
1. Start all the Policy store instances and Session Store instances
2. Start all the Policy servers
3. Start All Agent components(Access Gateways and Webagents and logon servers)
4. Start All the CA API Gateway server services.